ZhongJianChen/Class_GengGaiMima.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;

namespace MF借书系统.ZhongJianChen
{
    class Class_GengGaiMima
    {
        private ADO.SqlAdo sql;
        public Class_GengGaiMima()
        { 
        
        }

        //更改密码
        public bool update_Mima(string mima,string zhanghao)
        {
            sql = new ADO.SqlAdo();
            string sqlStr = "update yonghu set mima = '"+mima+"' where zhanghao = '"+zhanghao+"'";
            return sql.update(sqlStr);
        }

        //判断该帐号密码是否存在
        public bool Mima_bool(string mima,string zhanghao)
        {
            sql = new ADO.SqlAdo();
            string sqlStr = "select zhanghao from yonghu where mima = '" + mima 
                + "' and zhanghao = '"+zhanghao+"'";
            SqlDataReader read = sql.select(sqlStr);
            if (read.Read())
                return true;
            return false;
        }


    }
}