初始化
This commit is contained in:
478
Face.Services/DBUtility/Custom/DALHelperCustom.cs
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478
Face.Services/DBUtility/Custom/DALHelperCustom.cs
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using Face.Domain.Entities;
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using Fasce.Services.DBUtility.Custom;
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using MySql.Data.MySqlClient;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using WebSocketToolsConsole;
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namespace Face.Services.DBUtility.Custom
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{
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public class DALHelperCustom<TEntity> where TEntity : class, new()
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{
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private string databasetablename; //数据库表名前缀
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//private DbConfigsInfo confInfi;
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public DALHelperCustom()
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{
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databasetablename = "TBL_UTS_Manage";
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}
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public DALHelperCustom(string _databaseprefix)
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{
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databasetablename = _databaseprefix;
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}
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/// <summary>
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/// 是否存在该记录
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/// </summary>
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public bool Exists(TEntity entity, string strField, object keyValue)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select count(1) from " + databasetablename);
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strSql.Append(" where " + strField + "=@keyValue ");
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MySqlParameter[] parameters = {
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new MySqlParameter("@keyValue",keyValue)
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};
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return DbHelperMySqlCustom.Exists(strSql.ToString(), parameters);
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}
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/// <summary>
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/// 得到最大ID
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/// </summary>
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public int GetMaxId(TEntity entity, string strField)
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{
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return DbHelperMySqlCustom.GetMaxID(strField, databasetablename);
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}
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/// <summary>
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/// 添加一条数据
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/// </summary>
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/// <param name="entity"></param>
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/// <returns></returns>
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public bool Add(TEntity entity)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("insert into " + databasetablename + "(");
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PropertyInfo[] propertys = entity.GetType().GetProperties();// 获得此模型的公共属性
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List<SqlParameter> parameters = new List<SqlParameter>();
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foreach (PropertyInfo pi in propertys)
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{
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if (!pi.CanWrite) continue;
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strSql.Append(pi.Name + ",");
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}
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strSql.Remove(strSql.Length - 1, 1);//移除最后一个逗号
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strSql.Append(" ) values (");
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foreach (PropertyInfo pi in propertys)
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{
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if (!pi.CanWrite) continue;
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strSql.Append("@" + pi.Name + ",");
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parameters.Add(new SqlParameter("@" + pi.Name, pi.GetValue(entity)));
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}
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strSql.Remove(strSql.Length - 1, 1);//移除最后一个逗号
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strSql.Append(");select @@IDENTITY");
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int rows = DbHelperMySqlCustom.ExecuteSql(strSql.ToString(), parameters.ToArray());
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 修改一个实体数据
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/// </summary>
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/// <param name="entity"></param>
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/// <param name="strField"></param>
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/// <param name="keyValue"></param>
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/// <returns></returns>
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public bool Update(TEntity entity, string strField, object keyValue)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update " + databasetablename + " set ");
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PropertyInfo[] propertys = entity.GetType().GetProperties();// 获得此模型的公共属性
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List<SqlParameter> parameters = new List<SqlParameter>();
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foreach (PropertyInfo pi in propertys)
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{
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if (!pi.CanWrite) continue;
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strSql.Append(pi.Name + "=@" + pi.Name + ",");
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parameters.Add(new SqlParameter("@" + pi.Name, pi.GetValue(entity)));
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}
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strSql.Remove(strSql.Length - 1, 1);//移除最后一个逗号
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strSql.Append(" where " + strField + "=@strValue");
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strSql.Replace("Operatorid=@Operatorid,", "");
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System.Type keyType = keyValue.GetType();
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switch (keyType.Name)
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{
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case "Int32":
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SqlParameter strValue = new SqlParameter("@strValue", SqlDbType.Int)
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{
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Value = keyValue
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};
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parameters.Add(strValue);
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break;
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default:
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parameters.Add(new SqlParameter("@strValue", keyValue));
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break;
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}
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int rows = DbHelperMySqlCustom.ExecuteSql(strSql.ToString(), parameters.ToArray());
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 修改一列数据
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/// </summary>
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public int UpdateField(TEntity entity, string strField, object strValue, string strWhere)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update " + databasetablename);
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strSql.Append(" set " + strField + "=@strValue");
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if (!string.IsNullOrEmpty(strWhere))
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{
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strSql.Append(" where " + strWhere);
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}
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SqlParameter[] parameters = {
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new SqlParameter("@strValue",strValue)
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};
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return DbHelperMySqlCustom.ExecuteSql(strSql.ToString());
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}
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/// <summary>
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/// 删除一条数据
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/// </summary>
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public bool Delete(TEntity entity, string strField, object keyValue)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("delete from " + databasetablename);
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strSql.Append(" where " + strField + "=@keyValue ");
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SqlParameter[] parameters = {
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new SqlParameter("@keyValue",keyValue)
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};
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int rows = DbHelperMySqlCustom.ExecuteSql(strSql.ToString(), parameters);
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 得到一个对象实体
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/// </summary>
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/// <param name="uid"></param>
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/// <returns></returns>
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public TEntity GetModel(TEntity entity, string strField, object keyValue)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select * from " + databasetablename);
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strSql.Append(" where " + strField + "=@keyValue ");
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strSql.Append(" LIMIT 0,1;");
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SqlParameter[] parameters = {
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new SqlParameter("@keyValue",keyValue)
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};
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DataSet ds = DbHelperMySqlCustom.Query(strSql.ToString(), parameters);
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if (ds.Tables[0].Rows.Count > 0)
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{
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return DataRowToModel(entity, ds.Tables[0]);
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 得到数据列表
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/// </summary>
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/// <param name="strWhere"></param>
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/// <returns></returns>
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public List<TEntity> GetList(string strWhere = null)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select * from " + databasetablename);
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if (!string.IsNullOrEmpty(strWhere))
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{
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strSql.Append(" where " + strWhere);
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}
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//strSql.Append(" LIMIT 0,1;");
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strSql.Append(";");
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TEntity entity = new TEntity();
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DataSet ds = DbHelperMySqlCustom.Query(strSql.ToString());
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if (ds.Tables[0].Rows.Count > 0)
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{
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return DataRowToModels(entity, ds.Tables[0]);
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 重载，得到数据列表
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/// </summary>
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/// <param name="columnName"></param>
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/// <param name="strWhere"></param>
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/// <returns></returns>
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public List<TEntity> GetList(string columnName, string strWhere)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select " + columnName + " from " + databasetablename);
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if (!string.IsNullOrEmpty(strWhere))
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{
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strSql.Append(" where " + strWhere);
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}
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//strSql.Append(" LIMIT 0,1;");
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strSql.Append(";");
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TEntity entity = new TEntity();
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DataSet ds = DbHelperMySqlCustom.Query(strSql.ToString());
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if (ds.Tables[0].Rows.Count > 0)
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{
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return DataRowToModels(entity, ds.Tables[0]);
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}
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else
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{
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return null;
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}
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}
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public List<pmsLog> StoredprocedureList(List<int> ints)
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{
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return DbHelperMySqlCustom.Storedprocedure(ints);
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}
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/// <summary>
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/// 得到数据列表
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/// </summary>
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/// <param name="strSql"></param>
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/// <returns></returns>
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public List<TEntity> SqlQueryGetList(string strSql)
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{
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//StringBuilder strSql = new StringBuilder();
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//strSql.Append("select " + columnName + " from " + databasetablename);
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//if (!string.IsNullOrEmpty(strWhere))
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//{
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// strSql.Append(" where " + strWhere);
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//}
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//strSql.Append(" LIMIT 0,1;");
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//strSql.Append(";");
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TEntity entity = new TEntity();
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DataSet ds = DbHelperMySqlCustom.Query(strSql);
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if (ds.Tables[0].Rows.Count > 0)
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{
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return DataRowToModels(entity, ds.Tables[0]);
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 将DataTable转换得到一个对象实体
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/// </summary>
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/// <param name="model"></param>
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/// <param name="dt"></param>
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/// <returns></returns>
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public TEntity DataRowToModel(TEntity model, DataTable dt)
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{
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if (dt.Rows.Count > 0)
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{
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TEntity t = new TEntity();
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PropertyInfo[] propertys = t.GetType().GetProperties();// 获得此模型的公共属性
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foreach (PropertyInfo pi in propertys)
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{
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if (dt.Columns.Contains(pi.Name))
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{
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if (!pi.CanWrite) continue;
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var value = dt.Rows[0][pi.Name];
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if (value != DBNull.Value)
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{
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switch (pi.PropertyType.FullName)
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{
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case "System.Decimal":
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pi.SetValue(t, decimal.Parse(value.ToString()), null);
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break;
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case "System.String":
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pi.SetValue(t, value.ToString(), null);
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break;
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case "System.Single":
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pi.SetValue(t, float.Parse(value.ToString()), null);
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break;
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case "System.Double":
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pi.SetValue(t, double.Parse(value.ToString()), null);
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break;
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case "System.Int32":
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pi.SetValue(t, int.Parse(value.ToString()), null);
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break;
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case "System.DateTime":
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pi.SetValue(t, DateTime.Parse(value.ToString()), null);
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break;
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case "System.Boolean":
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pi.SetValue(t, bool.Parse(value.ToString()), null);
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break;
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default:
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pi.SetValue(t, value, null);
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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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return t;
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 将DataTable转换得到一个对象实体集合
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/// </summary>
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/// <param name="model"></param>
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/// <param name="dt"></param>
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/// <returns></returns>
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public List<TEntity> DataRowToModels(TEntity model, DataTable dt)
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{
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List<TEntity> ts = new List<TEntity>();// 定义集合
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foreach (DataRow dr in dt.Rows)
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{
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TEntity t = new TEntity();
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PropertyInfo[] propertys = t.GetType().GetProperties();// 获得此模型的公共属性
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foreach (PropertyInfo pi in propertys)
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{
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if (dt.Columns.Contains(pi.Name))
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{
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if (!pi.CanWrite) continue;
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var value = dr[pi.Name];
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if (value != DBNull.Value)
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{
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switch (pi.PropertyType.FullName)
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{
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case "System.Decimal":
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pi.SetValue(t, decimal.Parse(value.ToString()), null);
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break;
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case "System.String":
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pi.SetValue(t, value.ToString(), null);
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break;
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case "System.Single":
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pi.SetValue(t, float.Parse(value.ToString()), null);
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break;
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case "System.Double":
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pi.SetValue(t, double.Parse(value.ToString()), null);
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break;
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case "System.Int32":
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if (value.ToString().Trim().Length <= 0)
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{
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value = "0";
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}
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pi.SetValue(t, int.Parse(value.ToString()), null);
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break;
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case "System.DateTime":
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pi.SetValue(t, DateTime.Parse(value.ToString()), null);
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break;
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case "System.Boolean":
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bool fatr=false;
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if (value.ToString()== "1")
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{
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fatr = true;
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}
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pi.SetValue(t, fatr, null);
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break;
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default:
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pi.SetValue(t, value, null);
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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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ts.Add(t);
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}
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return ts;
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}
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/// <summary>
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/// 将DataTable转换得到一个对象实体集合
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/// </summary>
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/// <param name="model"></param>
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/// <param name="dt"></param>
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/// <returns></returns>
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public List<TEntity> DataRowToModels(DataTable dt)
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{
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List<TEntity> ts = new List<TEntity>();// 定义集合
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foreach (DataRow dr in dt.Rows)
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{
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TEntity t = new TEntity();
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PropertyInfo[] propertys = t.GetType().GetProperties();// 获得此模型的公共属性
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foreach (PropertyInfo pi in propertys)
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{
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if (dt.Columns.Contains(pi.Name))
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{
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if (!pi.CanWrite) continue;
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var value = dr[pi.Name];
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if (value != DBNull.Value)
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{
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switch (pi.PropertyType.FullName)
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{
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case "System.Decimal":
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pi.SetValue(t, decimal.Parse(value.ToString()), null);
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break;
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case "System.String":
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pi.SetValue(t, value.ToString(), null);
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break;
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case "System.Single":
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pi.SetValue(t, float.Parse(value.ToString()), null);
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break;
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case "System.Double":
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pi.SetValue(t, double.Parse(value.ToString()), null);
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break;
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case "System.Int32":
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pi.SetValue(t, int.Parse(value.ToString()), null);
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break;
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case "System.DateTime":
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pi.SetValue(t, DateTime.Parse(value.ToString()), null);
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break;
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case "System.Boolean":
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pi.SetValue(t, bool.Parse(value.ToString()), null);
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break;
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default:
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pi.SetValue(t, value, null);
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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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ts.Add(t);
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}
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return ts;
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}
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}
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}
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Block a user