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1142 lines
45 KiB
C#
1142 lines
45 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Policy;
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using System.Text;
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using System.Threading.Tasks;
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using MySql.Data.MySqlClient;
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using Dapper;
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using ZKLT.Hadoop.Interface;
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using ZKLT.Hadoop.Model;
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using MySqlX.XDevAPI.Relational;
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using Mysqlx.Crud;
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using Newtonsoft.Json;
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using Mysqlx.Resultset;
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using Newtonsoft.Json.Linq;
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using System.Transactions;
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namespace ZKLT.Hadoop
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{
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public class TableService : ITableService
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{
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public TableService()
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{
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_Source = new HDP_Source();
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_Tables = new List<HDP_Table>();
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}
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private HDP_Source _Source;
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private List<HDP_Table> _Tables;
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/// <summary>
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/// 合并条件
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/// </summary>
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/// <param name="table">表</param>
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/// <param name="where">条件</param>
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/// <param name="data">数据</param>
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/// <param name="param">参数</param>
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private string MergeWhere(HDP_Table table, JToken? where, JToken? data, Dictionary<string, object> param)
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{
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StringBuilder _wherestr = new StringBuilder();
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string _guid = "";
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if (where != null && data != null)
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{
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_wherestr.AppendLine("WHERE");
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var _wheres = new List<JObject>();
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var _datas = new List<JObject>();
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if (where.Type == JTokenType.Object)
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{
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_wheres.Add((JObject)where);
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_datas.Add((JObject)data);
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}
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else if (where.Type == JTokenType.Array)
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{
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for (var i = 0; i < where.Count(); i++)
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{
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_wheres.Add((JObject)where.Children().ToArray()[i]);
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_datas.Add((JObject)data.Children().ToArray()[i]);
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}
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}
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for (var j = 0; j < _wheres.Count; j++)
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{
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if (j > 0)
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{
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_wherestr.AppendLine("OR");
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}
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_wherestr.AppendLine("(");
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_wherestr.AppendLine("1 = 1");
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var _where = _wheres[j];
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var _data = _datas[j];
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if (_where.Count > 0)
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{
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var _fileds = _where.Children().ToArray();
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for (var i = 0; i < _fileds.Length; i++)
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{
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var _item = (JProperty)_fileds[i];
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if (table.Columns!.Any(x => x.Key == _item.Name) && _data.ContainsKey(_item.Name))
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{
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List<string> _Itemv = new List<string>();
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List<JToken> _Colv = new List<JToken>();
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if (_item.Value.Type == JTokenType.String)
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{
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_Itemv.Add(_item.Value.ToString());
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_Colv.Add(_data[_item.Name]!);
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}
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else if (_item.Value.Type == JTokenType.Array)
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{
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_Itemv.AddRange(_item.Value.ToObject<string[]>()!);
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_Colv.AddRange(_data[_item.Name]!);
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}
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for (var k = 0; k < _Itemv.Count; k++)
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{
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_guid = Guid.NewGuid().ToString("N");
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switch (_Itemv[k])
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{
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case HDP_WhereType.LIKE:
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_wherestr.AppendLine(@$"AND `{_item.Name}` {_Itemv[k]} @{_guid}");
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param.Add(_guid, $@"%{((JValue)_Colv[k]!).Value!}%");
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break;
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case HDP_WhereType.IN:
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_wherestr.AppendLine(@$"AND `{_item.Name}` {_Itemv[k]} @{_guid}");
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param.Add(_guid, _Colv[k]!);
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break;
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case HDP_WhereType.QUERYIN:
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var _Command = JsonConvert.DeserializeObject<HDP_Command>(_Colv[k].ToString())!;
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var _Query = QueryString(_Command.SourceId!, _Command.TableId!, _Command.Where, _Command.Data, _Command.Order, _Command.Col, param);
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_wherestr.AppendLine(@$"AND `{_item.Name}` IN ({_Query})");
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break;
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case HDP_WhereType.EQUAL:
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case HDP_WhereType.NOTEQUAL:
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case HDP_WhereType.MORE:
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case HDP_WhereType.LESS:
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case HDP_WhereType.MORETHEN:
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case HDP_WhereType.LESSTHEN:
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case HDP_WhereType.BETWEEN:
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default:
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_wherestr.AppendLine(@$"AND `{_item.Name}` {_Itemv[k]} @{_guid}");
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param.Add(_guid, ((JValue)_Colv[k]!).Value!);
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break;
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}
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}
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}
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}
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}
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_wherestr.AppendLine(")");
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}
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}
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return _wherestr.ToString();
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}
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/// <summary>
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/// 合并列
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/// </summary>
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/// <param name="table">表</param>
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/// <param name="cols">列</param>
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/// <param name="command">命令</param>
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private void MergeCols(HDP_Table table, string[]? cols, StringBuilder command)
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{
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if (cols == null || cols.Length == 0)
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{
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command.AppendLine(" * ");
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}
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StringBuilder _colstr = new StringBuilder();
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for (var i = 0; i < table.Columns!.Length; i++)
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{
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if (cols!.Any(x => x == table.Columns[i].Key))
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{
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_colstr.Append($@"`{table.Columns[i].Key}`,");
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}
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}
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if (_colstr[_colstr.Length - 1] == ',')
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{
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_colstr.Remove(_colstr.Length - 1, 1);
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}
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command.AppendLine(_colstr.ToString());
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}
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/// <summary>
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/// 合并排序
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/// </summary>
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/// <param name="table">表</param>
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/// <param name="order">排序</param>
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/// <returns></returns>
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private string MergeOrder(HDP_Table table, JToken? order, Dictionary<string, object> param)
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{
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string _guid = "";
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StringBuilder _orderstr = new StringBuilder();
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if (order != null && order.Count() > 0)
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{
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_orderstr.Append("ORDER BY ");
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var _fields = order.Children().ToArray();
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foreach (var field in _fields)
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{
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var _field = (JProperty)field;
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if (table.Columns!.Any(x => x.Key == _field.Name))
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{
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var _column = table.Columns!.First(x => x.Key == _field.Name);
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if (_field.Value.Type == JTokenType.String)
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{
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switch (_field.Value.ToString())
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{
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case "DESC":
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_orderstr.Append($@"`{_column.Key!}` DESC,");
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break;
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default:
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_orderstr.Append($@"`{_column.Key!}` ASC,");
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break;
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}
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}
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else if (_field.Value.Type == JTokenType.Array)
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{
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var _orderTemp = _field.Value.ToObject<object[]>();
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_orderstr.Append(@$"CASE `{_column.Key!}`");
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for (var i = 0; i < _orderTemp!.Length; i++)
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{
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_guid = Guid.NewGuid().ToString("N");
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_orderstr.Append(@$" WHEN @{_guid} THEN {i}");
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param.Add(_guid, _orderTemp[i]);
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}
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_orderstr.Append($@" ELSE {_orderTemp.Length} END,");
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}
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}
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}
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if (_orderstr.Length > 0 && _orderstr[_orderstr.Length - 1] == ',')
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{
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_orderstr.Remove(_orderstr.Length - 1, 1);
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}
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}
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return _orderstr.ToString();
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}
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/// <summary>
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/// 初始化云计算
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/// </summary>
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/// <param name="config">配置</param>
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public void Init(Action<HDP_Source> config)
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{
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if (config == null)
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{
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throw new ArgumentNullException("配置无效");
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}
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config(_Source);
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//参数校验
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if (string.IsNullOrEmpty(_Source.Host))
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{
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throw new ArgumentException("主机无效");
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}
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if (string.IsNullOrEmpty(_Source.Key))
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{
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throw new ArgumentException("源无效");
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}
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if (string.IsNullOrEmpty(_Source.Account))
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{
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throw new ArgumentException("用户名无效");
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}
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if (string.IsNullOrEmpty(_Source.PassWord))
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{
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throw new ArgumentException("密码无效");
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}
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//初始化
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if (_Source.Port == null)
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{
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_Source.Port = 3306;
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}
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if (string.IsNullOrEmpty(_Source.Id))
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{
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_Source.Id = "";
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}
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if (string.IsNullOrEmpty(_Source.Description))
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{
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_Source.Description = "云计算系统";
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}
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var _source = HDP_Table.Class2Table<HDP_Source>();
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_Tables.Add(_source);
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if (!InitStruct(_Source.Id, _source))
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{
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throw new Exception("初始化数据源失败");
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}
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var _table = HDP_Table.Class2Table<HDP_Table>();
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_Tables.Add(_table);
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if (!InitStruct(_Source.Id, _table))
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{
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throw new Exception("初始化数据表失败");
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}
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var _column = HDP_Table.Class2Table<HDP_Column>();
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_Tables.Add(_column);
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if (!InitStruct(_Source.Id, _column))
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{
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throw new Exception("初始化数据列失败");
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}
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}
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/// <summary>
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/// 获取源
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/// </summary>
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/// <param name="sourceid">数据源编号</param>
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/// <returns>结果</returns>
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public HDP_Source GetSource(string sourceid)
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{
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if (string.IsNullOrEmpty(sourceid) || _Source.Id == sourceid)
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{
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return _Source;
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}
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var _result = QuerySingle<HDP_Source>("", "HDP_Source", new JObject
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{
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{ "Id","=" }
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}, new JObject {
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{ "Id",sourceid}
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}, null);
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if (_result == null)
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{
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throw new ArgumentNullException("数据源不存在");
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}
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return _result;
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}
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/// <summary>
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/// 获取表
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/// </summary>
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/// <param name="tableid">表编号</param>
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/// <returns>结果</returns>
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public HDP_Table GetTable(string tableid)
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{
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if (string.IsNullOrEmpty(tableid))
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{
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throw new ArgumentNullException("数据表编号无效");
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}
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if (_Tables.Any(x => x.Id == tableid))
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{
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return _Tables.First(x => x.Id == tableid);
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}
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var _result = QuerySingle<HDP_Table>("", "HDP_Table", new JObject
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{
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{ "Id","=" }
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}, new JObject{
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{ "Id",tableid}
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}, null);
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if (_result != null)
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{
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_result.Columns = Query<HDP_Column>("", "HDP_Column", new JObject {
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{ "TableId","="}
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}, new JObject{
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{"TableId",_result.Id! }
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}, null, null);
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}
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else
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{
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throw new ArgumentNullException("数据表不存在");
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}
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return _result;
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}
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/// <summary>
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/// 同步结构
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/// </summary>
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/// <param name="sourceId">数据源</param>
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/// <param name="table">数据表</param>
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/// <returns>是否成功</returns>
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public bool InitStruct(string sourceId, HDP_Table table)
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{
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var source = GetSource(sourceId);
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//数据校验
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if (string.IsNullOrEmpty(table.Key))
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{
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throw new ArgumentNullException("表键无效");
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}
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if (table.Columns == null || table.Columns.Length == 0)
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{
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throw new ArgumentNullException("列无效");
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}
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using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
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{
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try
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{
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_connection.Open();
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}
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catch
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{
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throw new ArgumentException("数据源连接失败");
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}
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StringBuilder _command = new StringBuilder();
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if (DbExistTable(sourceId, table.Key))
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{
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var _dbColumns = DbGetColumns(sourceId, table.Key);
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_command.AppendLine($@"ALTER TABLE `{table.Key}`");
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_command.AppendLine("DROP PRIMARY KEY,");
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//加载列
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for (var i = 0; i < table.Columns.Length; i++)
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{
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StringBuilder _colstr = new StringBuilder();
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var _column = table.Columns[i];
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if (_dbColumns.Any(x => x.Key!.ToLower() == _column.Key!.ToLower()))
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{
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_colstr.Append($@"MODIFY `{_column.Key}`");
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}
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else
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{
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_colstr.Append($@"ADD `{_column.Key}`");
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}
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switch (_column.DataType)
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{
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case HDP_ColumnDataType.VARCHAR:
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if (_column.Length == 0)
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{
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throw new ArgumentNullException(@$"列{_column.Key}长度无效");
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}
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_colstr.Append($@" {_column.DataType}({_column.Length})");
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break;
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case HDP_ColumnDataType.DECIMAL:
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if (_column.Length == 0 || _column.DecimalLength == 0)
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{
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throw new ArgumentNullException(@$"列{_column.Key}长度无效");
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}
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_colstr.Append($@" {_column.DataType}({_column.Length},{_column.DecimalLength})");
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break;
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default:
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_colstr.Append(@$" {_column.DataType}");
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break;
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}
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if (!string.IsNullOrEmpty(_column.Description))
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{
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_colstr.Append($@" COMMENT '{_column.Description}'");
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}
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_colstr.Append(",");
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_command.AppendLine(_colstr.ToString());
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}
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//加载主键
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var _primarys = table.Columns.Where(x => x.IsPrimary == true).ToArray();
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if (_primarys.Length > 0)
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{
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StringBuilder _primaryStr = new StringBuilder();
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_primaryStr.Append("ADD PRIMARY KEY (");
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for (var i = 0; i < _primarys.Length; i++)
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{
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var _primary = _primarys[i];
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_primaryStr.Append($@"`{_primary.Key}`");
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if (i < _primarys.Length - 1)
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{
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_primaryStr.Append(",");
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}
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}
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_primaryStr.Append(")");
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_command.AppendLine(_primaryStr.ToString());
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}
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if (!string.IsNullOrEmpty(table.Description))
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{
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_command.AppendLine(@$"COMMENT '{table.Description}'");
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}
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_connection.Execute(_command.ToString());
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return true;
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}
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else
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{
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_command.AppendLine($@"CREATE TABLE `{table.Key}` (");
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//加载列
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for (int i = 0; i < table.Columns.Length; i++)
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{
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StringBuilder _colstr = new StringBuilder();
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var _column = table.Columns[i];
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_colstr.Append($@"`{_column.Key}`");
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switch (_column.DataType)
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{
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case HDP_ColumnDataType.VARCHAR:
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if (_column.Length == 0)
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{
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throw new ArgumentNullException(@$"列{_column.Key}长度无效");
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}
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_colstr.Append($@" {_column.DataType}({_column.Length})");
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break;
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case HDP_ColumnDataType.DECIMAL:
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if (_column.Length == 0 || _column.DecimalLength == 0)
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{
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throw new ArgumentNullException(@$"列{_column.Key}长度无效");
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}
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_colstr.Append($@" {_column.DataType}({_column.Length},{_column.DecimalLength})");
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break;
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default:
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_colstr.Append(@$" {_column.DataType}");
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break;
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}
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if (!string.IsNullOrEmpty(_column.Description))
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{
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_colstr.Append($@" COMMENT '{_column.Description}'");
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}
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if (i < table.Columns.Length - 1)
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{
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_colstr.Append(",");
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}
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_command.AppendLine(_colstr.ToString());
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}
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//加载主键
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var _primarys = table.Columns.Where(x => x.IsPrimary == true).ToArray();
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if (_primarys.Length > 0)
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{
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_command.Append(",");
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StringBuilder _primaryStr = new StringBuilder();
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_primaryStr.Append("PRIMARY KEY (");
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for (var i = 0; i < _primarys.Length; i++)
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{
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var _primary = _primarys[i];
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_primaryStr.Append($@"`{_primary.Key}`");
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if (i < _primarys.Length - 1)
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{
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_primaryStr.Append(",");
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}
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}
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_primaryStr.Append(")");
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_command.AppendLine(_primaryStr.ToString());
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}
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|
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_command.AppendLine(")");
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if (!string.IsNullOrEmpty(table.Description))
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{
|
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_command.AppendLine(@$"COMMENT '{table.Description}'");
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}
|
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_connection.Execute(_command.ToString());
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}
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_connection.Close();
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return true;
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}
|
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}
|
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|
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/// <summary>
|
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/// 删除结构
|
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/// </summary>
|
|
/// <param name="sourceId">源</param>
|
|
/// <param name="tableId">表</param>
|
|
/// <returns>是否成功</returns>
|
|
public bool RemoveStruct(string sourceId, string tableId)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
|
|
StringBuilder _command = new StringBuilder();
|
|
_command.AppendLine(@$"DROP TABLE {table.Key}");
|
|
_connection.Execute(_command.ToString());
|
|
_connection.Close();
|
|
return !DbExistTable(sourceId, table.Key!);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 插入数据
|
|
/// </summary>
|
|
/// <param name="sourceId">数据源</param>
|
|
/// <param name="tableId">数据表</param>
|
|
/// <param name="data">数据</param>
|
|
/// <returns>是否成功</returns>
|
|
public bool Insert(string sourceId, string tableId, JToken? data)
|
|
{
|
|
var source = GetSource(sourceId)!;
|
|
var table = GetTable(tableId)!;
|
|
//数据校验
|
|
if (string.IsNullOrEmpty(table.Key))
|
|
{
|
|
throw new ArgumentNullException("表键无效");
|
|
}
|
|
if (table.Columns == null || table.Columns.Length == 0)
|
|
{
|
|
throw new ArgumentNullException("列无效");
|
|
}
|
|
if (data == null || data.Count() == 0)
|
|
{
|
|
throw new ArgumentNullException("数据无效");
|
|
}
|
|
List<JObject> _data = new List<JObject>();
|
|
if (data.Type == JTokenType.Object)
|
|
{
|
|
_data.Add((JObject)data);
|
|
}
|
|
else if (data.Type == JTokenType.Array)
|
|
{
|
|
_data = data.ToObject<List<JObject>>()!;
|
|
}
|
|
var _result = 0;
|
|
using (TransactionScope _scope = new TransactionScope())
|
|
{
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
for (var j = 0; j < _data.Count; j++)
|
|
{
|
|
var _row = _data[j];
|
|
|
|
StringBuilder _command = new StringBuilder();
|
|
|
|
//主键检查
|
|
var _primarys = table.Columns.Where(x => x.IsPrimary == true).ToArray();
|
|
for (var i = 0; i < _primarys.Length; i++)
|
|
{
|
|
var _primary = _primarys[i];
|
|
if (!string.IsNullOrEmpty(_primary.InsertDefault) || _row.ContainsKey(_primary.Key!))
|
|
{
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentException($@"主键{_primary.Key}值无效");
|
|
}
|
|
}
|
|
|
|
//插入命令
|
|
_command.AppendLine($@"INSERT INTO `{table.Key}` (");
|
|
StringBuilder _colstr = new StringBuilder();
|
|
StringBuilder _parmstr = new StringBuilder();
|
|
Dictionary<string, object> _params = new Dictionary<string, object>();
|
|
for (var i = 0; i < table.Columns.Length; i++)
|
|
{
|
|
var _column = table.Columns[i];
|
|
if (_row.ContainsKey(_column.Key!))
|
|
{
|
|
_colstr.Append($@"`{_column.Key!}`,");
|
|
_parmstr.Append($@"@{_column.Key},");
|
|
_params.Add(_column.Key!, ((JValue)_row[_column.Key!]!).Value!);
|
|
}
|
|
else if (!string.IsNullOrEmpty(_column.InsertDefault))
|
|
{
|
|
_colstr.Append($@"`{_column.Key!}`,");
|
|
_parmstr.Append($@"@{_column.Key},");
|
|
_params.Add(_column.Key!, HDP_CommandAction.Convert(_column.InsertDefault, _row));
|
|
}
|
|
}
|
|
if (_colstr[_colstr.Length - 1] == ',')
|
|
{
|
|
_colstr.Remove(_colstr.Length - 1, 1);
|
|
}
|
|
if (_parmstr[_parmstr.Length - 1] == ',')
|
|
{
|
|
_parmstr.Remove(_parmstr.Length - 1, 1);
|
|
}
|
|
_command.AppendLine(_colstr.ToString());
|
|
_command.AppendLine(") VALUES (");
|
|
_command.AppendLine(_parmstr.ToString());
|
|
_command.AppendLine(")");
|
|
_result += _connection.Execute(_command.ToString(), _params);
|
|
}
|
|
_connection.Close();
|
|
if (_result >= _data.Count)
|
|
{
|
|
_scope.Complete();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 更新
|
|
/// </summary>
|
|
/// <param name="source">数据源</param>
|
|
/// <param name="table">数据表</param>
|
|
/// <param name="where">条件</param>
|
|
/// <param name="data">数据</param>
|
|
/// <returns>是否成功</returns>
|
|
public bool Update(string sourceId, string tableId, JToken? where, JToken? data)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
//数据校验
|
|
if (string.IsNullOrEmpty(table.Key))
|
|
{
|
|
throw new ArgumentNullException("表键无效");
|
|
}
|
|
if (table.Columns == null || table.Columns.Length == 0)
|
|
{
|
|
throw new ArgumentNullException("列无效");
|
|
}
|
|
if (where == null)
|
|
{
|
|
throw new ArgumentNullException("条件无效");
|
|
}
|
|
List<JObject> _where = new List<JObject>();
|
|
if (where.Type == JTokenType.Object)
|
|
{
|
|
_where.Add((JObject)where);
|
|
}
|
|
else if (where.Type == JTokenType.Array)
|
|
{
|
|
_where.AddRange(((JArray)where).ToObject<JObject[]>()!);
|
|
}
|
|
if (data == null || data.Count() == 0)
|
|
{
|
|
throw new ArgumentNullException("数据无效");
|
|
}
|
|
List<JObject> _data = new List<JObject>();
|
|
if (data.Type == JTokenType.Object)
|
|
{
|
|
_data.Add((JObject)data);
|
|
}
|
|
else if (data.Type == JTokenType.Array)
|
|
{
|
|
_data = data.ToObject<List<JObject>>()!;
|
|
}
|
|
var _result = 0;
|
|
using (TransactionScope _scope = new TransactionScope())
|
|
{
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
for (var j = 0; j < _data.Count; j++)
|
|
{
|
|
var _row = _data[j];
|
|
//更新命令
|
|
StringBuilder _command = new StringBuilder();
|
|
Dictionary<string, object> _params = new Dictionary<string, object>();
|
|
_command.AppendLine(@$"UPDATE `{table.Key}` SET ");
|
|
|
|
//更新列
|
|
StringBuilder _colstr = new StringBuilder();
|
|
for (var i = 0; i < table.Columns.Length; i++)
|
|
{
|
|
var _column = table.Columns[i];
|
|
if (_row.ContainsKey(_column.Key!) && !_where.Any(x => x.ContainsKey(_column.Key!)))
|
|
{
|
|
_colstr.Append(@$"`{_column.Key!}`={HDP_CommandAction.ColConvert(_column, _params, ((JValue)_row[_column.Key!]!).Value!)},");
|
|
}
|
|
else if (!string.IsNullOrEmpty(_column.UpdateDefault))
|
|
{
|
|
_colstr.Append($@"`{_column.Key!}`=@{_column.Key!},");
|
|
_params.Add(_column.Key!, HDP_CommandAction.Convert(_column.UpdateDefault, _row));
|
|
}
|
|
}
|
|
if (_colstr[_colstr.Length - 1] == ',')
|
|
{
|
|
_colstr.Remove(_colstr.Length - 1, 1);
|
|
}
|
|
_command.AppendLine(_colstr.ToString());
|
|
|
|
//执行条件
|
|
_command.AppendLine(MergeWhere(table, where, _row, _params));
|
|
|
|
_result += _connection.Execute(_command.ToString(), _params);
|
|
}
|
|
_connection.Close();
|
|
if (_result >= _data.Count)
|
|
{
|
|
_scope.Complete();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 删除
|
|
/// </summary>
|
|
/// <param name="sourceId">数据源</param>
|
|
/// <param name="tableId">数据表</param>
|
|
/// <param name="where">条件</param>
|
|
/// <param name="row">数据</param>
|
|
/// <returns>是否成功</returns>
|
|
public bool Delete(string sourceId, string tableId, JToken? where, JToken? data)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
//数据校验
|
|
if (string.IsNullOrEmpty(table.Key))
|
|
{
|
|
throw new ArgumentNullException("表键无效");
|
|
}
|
|
if (table.Columns == null || table.Columns.Length == 0)
|
|
{
|
|
throw new ArgumentNullException("列无效");
|
|
}
|
|
if (where == null)
|
|
{
|
|
throw new ArgumentNullException("条件无效");
|
|
}
|
|
if (data == null || data.Count() == 0)
|
|
{
|
|
throw new ArgumentNullException("数据无效");
|
|
}
|
|
List<JObject> _data = new List<JObject>();
|
|
if (data.Type == JTokenType.Object)
|
|
{
|
|
_data.Add((JObject)data);
|
|
}
|
|
else if (data.Type == JTokenType.Array)
|
|
{
|
|
_data = data.ToObject<List<JObject>>()!;
|
|
}
|
|
var _result = 0;
|
|
using (TransactionScope _scope = new TransactionScope())
|
|
{
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
|
|
for (var j = 0; j < _data.Count; j++)
|
|
{
|
|
var _row = _data[j];
|
|
//删除命令
|
|
StringBuilder _command = new StringBuilder();
|
|
Dictionary<string, object> _params = new Dictionary<string, object>();
|
|
_command.AppendLine(@$"DELETE FROM `{table.Key}`");
|
|
|
|
_command.AppendLine(MergeWhere(table, where, _row, _params));
|
|
|
|
_result += _connection.Execute(_command.ToString(), _params);
|
|
}
|
|
_connection.Close();
|
|
if (_result >= _data.Count)
|
|
{
|
|
_scope.Complete();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 查询单个
|
|
/// </summary>
|
|
/// <param name="sourceId">数据源</param>
|
|
/// <param name="tableId">数据表</param>
|
|
/// <param name="where">条件</param>
|
|
/// <param name="data">数据</param>
|
|
/// <returns>结果</returns>
|
|
public T? QuerySingle<T>(string sourceId, string tableId, JToken? where, JToken? data,
|
|
string[]? col)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
|
|
//数据校验
|
|
if (string.IsNullOrEmpty(table.Key))
|
|
{
|
|
throw new ArgumentNullException("表键无效");
|
|
}
|
|
if (table.Columns == null || table.Columns.Length == 0)
|
|
{
|
|
throw new ArgumentNullException("列无效");
|
|
}
|
|
if (where == null)
|
|
{
|
|
throw new ArgumentNullException("条件无效");
|
|
}
|
|
if (data == null || data.Count() == 0)
|
|
{
|
|
throw new ArgumentNullException("数据无效");
|
|
}
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
|
|
//查询命令
|
|
StringBuilder _command = new StringBuilder();
|
|
Dictionary<string, object> _params = new Dictionary<string, object>();
|
|
if (col == null || col.Length == 0)
|
|
{
|
|
_command.AppendLine(@$"SELECT * FROM `{table.Key}`");
|
|
}
|
|
else
|
|
{
|
|
_command.AppendLine("SELECT");
|
|
MergeCols(table, col, _command);
|
|
_command.AppendLine($@"FROM `{table.Key}`");
|
|
}
|
|
|
|
//执行条件
|
|
_command.AppendLine(MergeWhere(table, where, data, _params));
|
|
|
|
var _result = _connection.Query<T>(_command.ToString(), _params).ToArray();
|
|
_connection.Close();
|
|
if (_result.Length > 0)
|
|
{
|
|
return _result[0];
|
|
}
|
|
else
|
|
{
|
|
return default(T);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 查询列表
|
|
/// </summary>
|
|
/// <typeparam name="T">返回类型</typeparam>
|
|
/// <param name="source">数据源</param>
|
|
/// <param name="table">数据表</param>
|
|
/// <param name="where">条件</param>
|
|
/// <param name="data">数据</param>
|
|
/// <param name="order">排序</param>
|
|
/// <param name="col">筛选返回字段</param>
|
|
/// <returns>结果集</returns>
|
|
public T[] Query<T>(string sourceId, string tableId, JToken? where, JToken? data,
|
|
JToken? order, string[]? col)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
|
|
Dictionary<string, object> _params = new Dictionary<string, object>();
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
|
|
var _result = _connection.Query<T>(QueryString(sourceId, tableId, where, data, order, col, _params), _params);
|
|
_connection.Close();
|
|
return _result.ToArray();
|
|
}
|
|
}
|
|
|
|
public string QueryString(string sourceId, string tableId, JToken? where, JToken? data,
|
|
JToken? order, string[]? col, Dictionary<string, object> param)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
//数据校验
|
|
if (string.IsNullOrEmpty(table.Key))
|
|
{
|
|
throw new ArgumentNullException("表键无效");
|
|
}
|
|
if (table.Columns == null || table.Columns.Length == 0)
|
|
{
|
|
throw new ArgumentNullException("列无效");
|
|
}
|
|
|
|
//查询命令
|
|
StringBuilder _command = new StringBuilder();
|
|
if (col == null || col.Length == 0)
|
|
{
|
|
_command.AppendLine(@$"SELECT * FROM `{table.Key}`");
|
|
}
|
|
else
|
|
{
|
|
_command.AppendLine("SELECT");
|
|
MergeCols(table, col, _command);
|
|
_command.AppendLine($@"FROM `{table.Key}`");
|
|
}
|
|
|
|
//执行条件
|
|
_command.AppendLine(MergeWhere(table, where, data, param));
|
|
|
|
//执行排序
|
|
_command.AppendLine(MergeOrder(table, order, param));
|
|
|
|
return _command.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// 查询分页列表
|
|
/// </summary>
|
|
/// <typeparam name="T">返回类型</typeparam>
|
|
/// <param name="sourceId">数据源</param>
|
|
/// <param name="tableId">数据表</param>
|
|
/// <param name="pageIndex">分页下标</param>
|
|
/// <param name="pageSize">分页大小</param>
|
|
/// <param name="where">条件</param>
|
|
/// <param name="data">数据</param>
|
|
/// <param name="order">排序</param>
|
|
/// <param name="col">返回咧</param>
|
|
/// <returns>结果集</returns>
|
|
public HDP_Page<T> QueryPage<T>(string sourceId, string tableId, int pageIndex, int pageSize, JToken? where,
|
|
JToken? data, JToken? order, string[]? col)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
|
|
//数据校验
|
|
if (string.IsNullOrEmpty(table.Key))
|
|
{
|
|
throw new ArgumentNullException("表键无效");
|
|
}
|
|
if (table.Columns == null || table.Columns.Length == 0)
|
|
{
|
|
throw new ArgumentNullException("列无效");
|
|
}
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
|
|
//查询命令
|
|
StringBuilder _command = new StringBuilder();
|
|
Dictionary<string, object> _params = new Dictionary<string, object>();
|
|
if (col == null || col.Length == 0)
|
|
{
|
|
_command.AppendLine(@$"SELECT * FROM `{table.Key}`");
|
|
}
|
|
else
|
|
{
|
|
_command.AppendLine("SELECT");
|
|
MergeCols(table, col, _command);
|
|
_command.AppendLine($@"FROM `{table.Key}`");
|
|
}
|
|
|
|
//执行条件
|
|
_command.AppendLine(MergeWhere(table, where, data, _params));
|
|
|
|
//执行排序
|
|
_command.AppendLine(MergeOrder(table, order, _params));
|
|
var _result = new HDP_Page<T>();
|
|
_result.PageIndex = pageIndex;
|
|
_result.PageSize = pageSize;
|
|
StringBuilder _totalstr = new StringBuilder();
|
|
_totalstr.AppendLine($@"SELECT COUNT(0) FROM (");
|
|
_totalstr.AppendLine(_command.ToString());
|
|
_totalstr.AppendLine(") AS Temp");
|
|
_result.Total = _connection.QuerySingle<int>(_totalstr.ToString(), _params);
|
|
StringBuilder _pagestr = new StringBuilder();
|
|
_pagestr.AppendLine($@"SELECT * FROM (");
|
|
_pagestr.AppendLine(_command.ToString());
|
|
_pagestr.AppendLine(") AS Temp");
|
|
_pagestr.AppendLine(@$"LIMIT {(_result.PageIndex - 1) * _result.PageSize},{_result.PageSize}");
|
|
_result.Data = _connection.Query<T>(_pagestr.ToString(), _params).ToArray();
|
|
_connection.Close();
|
|
return _result;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 判断数据源是否存在表
|
|
/// </summary>
|
|
/// <param name="sourceId">数据源</param>
|
|
/// <param name="tableName">表名</param>
|
|
/// <returns>是否存在</returns>
|
|
public bool DbExistTable(string sourceId, string tableName)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
|
|
StringBuilder _command = new StringBuilder();
|
|
_command.AppendLine($@"SELECT COUNT(0) FROM INFORMATION_SCHEMA.TABLES WHERE `TABLE_TYPE`='BASE TABLE' AND `TABLE_SCHEMA`=@SourceKey AND `TABLE_NAME` =@TableKey");
|
|
int _result = _connection.QuerySingle<int>(_command.ToString(), new { SourceKey = source.Key, TableKey = tableName });
|
|
_connection.Close();
|
|
if (_result > 0)
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 查询数据列
|
|
/// </summary>
|
|
/// <param name="sourceId">数据源</param>
|
|
/// <param name="tableId">表</param>
|
|
/// <returns>列</returns>
|
|
public HDP_Column[] DbGetColumns(string sourceId, string tableId)
|
|
{
|
|
var source = GetSource(sourceId);
|
|
var table = GetTable(tableId);
|
|
|
|
using (MySqlConnection _connection = new MySqlConnection(source.GetConnectString()))
|
|
{
|
|
var _result = new List<HDP_Column>();
|
|
try
|
|
{
|
|
_connection.Open();
|
|
}
|
|
catch
|
|
{
|
|
throw new ArgumentException("数据源连接失败");
|
|
}
|
|
|
|
StringBuilder _command = new StringBuilder();
|
|
_command.AppendLine($@"SELECT `COLUMN_NAME` AS `Key`,`DATA_TYPE` AS `DataType`,`COLUMN_COMMENT` AS `Description` FROM INFORMATION_SCHEMA.COLUMNS
|
|
WHERE `TABLE_SCHEMA`=@SourceKey AND `TABLE_NAME`=@TableKey");
|
|
_result.AddRange(_connection.Query<HDP_Column>(_command.ToString(), new { SourceKey = source.Key, TableKey = table.Key }));
|
|
_connection.Close();
|
|
return _result.ToArray();
|
|
}
|
|
}
|
|
}
|
|
}
|