ADO/YongHuXinXi.cs

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

namespace MF借书系统.ADO
{
    class YongHuXinXi
    {
        string zhanghao, mima, youxiang, lianxidianhua, mibaowenti, mibaodaan;
        public YongHuXinXi(string zhanghao, string mima, string youxiang,
            string lianxidianhua, string mibaowenti, string mibaodaan)
        {
            this.zhanghao = zhanghao;
            this.mima = mima;
            this.youxiang = youxiang;
            this.lianxidianhua = lianxidianhua;
            this.mibaowenti = mibaowenti;
            this.mibaodaan = mibaodaan;
        }
        //无任何初始化信息
        public YongHuXinXi()
        { 
             
        }
        //用户帐号添加
        public bool yonghu_insert(string zhanghao, string mima, string youxiang,
            string lianxidianhua, string mibaowenti, string mibaodaan)
        {
             SqlAdo sql = new SqlAdo();
             string string_sql = "insert into yonghu values('"
                 +zhanghao+"','"
                 +mima+"','"
                 +youxiang+"','"
                 +lianxidianhua+"','"
                 +mibaowenti+"','"
                 +mibaodaan+"')";
             return sql.insert(string_sql);
        }
        //在构造时已经填写好,可以免填
        public bool yonghu_insert2()
        {
            SqlAdo sql = new SqlAdo();
            string string_sql = "insert into yonghu values('"
                + this.zhanghao + "','"
                + this.mima + "','"
                + this.youxiang + "','"
                + this.lianxidianhua + "','"
                + this.mibaowenti + "','"
                + this.mibaodaan + "')";
            return sql.insert(string_sql);
        }
        //用户帐号删除
        public bool yonghu_delete()
        {
            SqlAdo sql = new SqlAdo();
            string string_sql = "delete yonghu where zhanghao = '" + this.zhanghao + "'";
            return sql.delete(string_sql);