membermoney.aspx.cs

这是我做的第一个网络购书中心asp.net网站!

using System;
using System.Data;
using System.Text;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Security.Cryptography; 

public partial class User_MemberMoney : System.Web.UI.Page
{
    UserInfo ui = new UserInfo();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {            
            lblMoney.Text = ui.reAdvancePayment(Session["UID"].ToString()).ToString();
        }
    }
    protected void btnReset_Click(object sender, EventArgs e)
    {
        txtCardID.Text = "";
        txtCardPW.Text = "";
    }
    protected void btnSummit_Click(object sender, EventArgs e)
    {
        int tmp = rePWD(txtCardID.Text, txtCardPW.Text);
        if (tmp>0)
        {
            ui.upAdvancePayment(Session["UID"].ToString(), tmp);
            lblMoney.Text = ui.reAdvancePayment(Session["UID"].ToString()).ToString();
            ui.MessageBox(Page, "充值成功");
        }
    }

    private int rePWD(string usercard,string cardPW)
    {
        string[] tmp = usercard.Split('-');
        if (cardPW == UserMd5(tmp[0] + tmp[1] + tmp[2]))
        {
            return Convert.ToInt32(tmp[1]);
        }
        else
        {
            return 0;
        }
    }

    public string UserMd5(string str)
    {
        string cl = str;
        string pwd = "";
        MD5 md5 = MD5.Create();//实例化一个md5对像        
        byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(cl));        
        for (int i = 0; i < s.Length; i++)
        {
            // 将得到的字符串使用十六进制类型格式。格式后的字符是小写的字母，如果使用大写（X）则格式后的字符是大写字符 
            pwd = pwd + s[i].ToString("X");

        }
        return pwd;
    }
}