78 lines
2.1 KiB
C#
78 lines
2.1 KiB
C#
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using System;
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using System.Data;
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using System.Data.SQLite;
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using System.Linq;
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using System.Windows;
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using Dapper;
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namespace Szmedi.RvKits.Assists
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{
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public class DapperUtil
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{
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private readonly string connectionString;
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private IDbConnection cnn;
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public DapperUtil(string dbConnectionString)
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{
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connectionString = dbConnectionString;
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}
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public IDbConnection CreateConnect()
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{
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try
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{
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cnn = new SQLiteConnection(connectionString);
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cnn.Open();
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}
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catch (Exception e)
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{
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MessageBox.Show("连接失败", e.Message);
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LogAssists.WriteLog(e.StackTrace);
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}
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return cnn;
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}
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public int Delete(int id)
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{
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return cnn.Execute("delete from param where ID=" + id);
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}
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public List<T> LoadModel<T>(string tableName)
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{
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var output = cnn.Query<T>("select * from " + tableName, new DynamicParameters());
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return output.ToList();
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}
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public List<T> QueryIn<T>()
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{
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var sql = "select * from param where id in @ids";
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//参数类型是Array的时候，dappper会自动将其转化
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return cnn.Query<T>(sql, new { ids = new int[2] { 1, 2 } }).ToList();
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}
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public List<T> QueryIn<T>(int[] ids)
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{
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var sql = "select * from param where id in @ids";
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//参数类型是Array的时候，dappper会自动将其转化
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return cnn.Query<T>(sql, new { ids }).ToList();
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}
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public void CloseConnect()
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{
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cnn.Close();
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}
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/// <summary>
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/// </summary>
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/// <param name="param"></param>
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/// <param name="id"></param>
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/// <param name="sql">"update param set MName = @MName,Age = @Age,Sex = @Sex,Phone = @Phone where ID=" + id</param>
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public void UpdateData<T>(T param, string sql)
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{
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cnn.Execute(sql, param);
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}
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}
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} |