月度归档: 2016 年 1 月

  • ado.net 连接mysql的类

    ado.net 连接mysql的类:

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using MySql.Data;
    using MySql.Data.MySqlClient;
    
    namespace VideoSpider
    {
        public class DBConn
        {
    #if DEBUG
            private static   string _connectionString = @"server=61.164.149.180;User ID=sql_zuqiu;Password=FULFQcvuFsqnbQSL;database=zuqiu_bak;";
    #else
            private static string _connectionString = @"server=localhost;User=11xs;Password=HPU3aMJVzECQfVXR;database=11xs";
    #endif
            public static MySqlConnection OpenConnection( string connstr = "" )
            {
    
                if (connstr != "" )
                {
                    _connectionString = connstr;
                }
                var conn = new MySqlConnection(_connectionString);
                conn.Open();
                return conn;
            }
        }
    }
  • mysql求时间差

    mysql求时间差

    SELECT TIMESTAMPDIFF(HOUR, NOW(), '2016-01-15 12:00:00')

    HOUR可以SECOND

  • mysql日期加减天数

    mysql日期加减天数

    SELECT DATE_SUB(CURDATE(), INTERVAL 7 DAY)
    SELECT DATE_ADD(CURDATE(), INTERVAL 7 DAY);

  • C#非独占加载图片

    C#非独占加载图片

    Image _Image = Image .FromStream(new MemoryStream(System.IO.File .ReadAllBytes(Application.StartupPath + "\\v.jpg")));
    pictureBox1.Image = _Image;