zoukankan html css js c++ java

关于登录的一些小记录

Login.aspx

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table>
            <tr>
                <td align="center">
                    用户名<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td align="center">
                    密码<asp:TextBox ID="txtPwd" TextMode="Password" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td align="center">
                    <asp:Button ID="btnLogin" runat="server" Text="Login" 
                        onclick="btnLogin_Click" />
                </td>
            </tr>
        </table>
    </div>
    </form>
</body>
</html>

protected void btnLogin_Click(object sender, EventArgs e)
    {
        string userName = txtName.Text.Trim(), userPwd = txtPwd.Text.Trim();


        //模拟数据库
        Dictionary<string, User> dic = new Dictionary<string, User>();
        User u = new User();
        u.ID = 1;
        u.Name = "xupeihuagudulei";
        u.Pwd = "xupeihuagudulei";
        dic.Add("xupeihuagudulei", u);
        u = new User();
        u.ID = 2;
        u.Name = "xupeihuagudulei1";
        u.Pwd = "xupeihuagudulei1";
        dic.Add("xupeihuagudulei1", u);
        u = new User();
        u.ID = 3;
        u.Name = "temp";
        u.Pwd = "123";
        dic.Add("temp", u);


        if (dic.Keys.Contains(userName) && dic[userName].Pwd == userPwd)
        {
            Session["userID"] = dic[userName].ID;
            Response.Redirect("Main.aspx");
        }
        else
        {
            ClientScript.RegisterStartupScript(GetType(), "error", "alert('用户名或密码错误！');", true);
        }
        
    }

public class User  //User 是与 Login.aspx.cs 同级的Class
{
    public int ID { set; get; }
    public string Name { set; get; }
    public string Pwd { set; get; }
}

PageBase 在App_Code 中或类库中

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

/// <summary>
/// Summary description for PageBase
/// </summary>
public class PageBase : System.Web.UI.Page
{
    public PageBase()
    {
        //
        // TODO: Add constructor logic here
        //
    }
    protected override void OnInit(EventArgs e)
    {
        //MustLogin 功能
        if (Session["userID"] == null)
        {
            Response.Write("<script>alert('请先登录！');location.href='Login.aspx';</script>");
            Response.End();
            //ClientScript.RegisterStartupScript(GetType(), "error", "alert('请先登录！');location.href='Login.aspx';", true);
        }
        base.OnInit(e);
    }    
    
}

Main.aspx

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <table width='99%' height="100%" border='0' cellspacing='0' cellpadding='0'>
        <tr>
            <td style='padding-left: 3px; padding-top: 8px' valign="top">
                <asp:PlaceHolder ID="phKJ" runat="server" Visible="false">
                <!-- Item 2 Strat -->
                <dl class='bitem'>
                    <dt onclick='showHide("items2_1")'><b>科技动态管理</b></dt>
                    <dd style='display: block' class='sitem' id='items2_1'>
                        <ul class='sitemu'>
                            <li><a href='aspx/TechWatchAdd.aspx' target='main'>科技动态添加</a></li>
                            <li><a href='aspx/TechWatchManage.aspx' target='main'>科技动态管理</a></li>
                        </ul>
                    </dd>
                </dl>                
                <!-- Item 2 End -->
                </asp:PlaceHolder>
                <asp:PlaceHolder ID="phZC" runat="server" Visible="false">
                <!-- Item 1 Strat -->
                <dl class='bitem'>
                    <dt onclick='showHide("items1_1")'><b>政策法规管理</b></dt>
                    <dd style='display: block' class='sitem' id='items1_1'>
                        <ul class='sitemu'>
                            <li><a href='aspx/RegulationAdd.aspx' target='main'>政策法规添加</a></li>
                            <li><a href='aspx/RegulationManage.aspx' target='main'>政策法规管理</a> </li>
                        </ul>
                    </dd>
                </dl>
                <!-- Item 1 End -->
                </asp:PlaceHolder>
                <asp:PlaceHolder ID="phCX" runat="server" Visible="false">
                <!-- Item 3 Strat -->
                <dl class='bitem'>
                    <dt onclick='showHide("items3_1")'><b>创新服务管理</b></dt>
                    <dd style='display: block' class='sitem' id='items3_1'>
                        <ul class='sitemu'>
                            <li><a href='aspx/ScienseCorporationAdd.aspx' target='main'>科技企业添加</a></li>
                            <li><a href='aspx/ScienseCorporationManage.aspx' target='main'>科技企业管理</a></li>
                            <li><a href='aspx/InnovationPlatformAdd.aspx' target='main'>创新平台添加</a></li>
                            <li><a href='aspx/InnovationPlatformManage.aspx' target='main'>创新平台管理</a></li>
                            <li><a href='aspx/Technology_achievementAdd.aspx' target='main'>科技成果添加</a></li>
                            <li><a href='aspx/Technology_achievementManage.aspx' target='main'>科技成果管理</a></li>
                            <li><a href='aspx/TechnologyMediatedAdd.aspx' target='main'>科技中介添加</a></li>
                            <li><a href='aspx/TechnologyMediatedManage.aspx' target='main'>科技中介管理</a></li>
                        </ul>
                    </dd>
                </dl>
                <!-- Item 3 End -->
                </asp:PlaceHolder>
                <asp:PlaceHolder ID="phZS" runat="server" Visible="false">
                <!-- Item 4 Strat -->
                <dl class='bitem'>
                    <dt onclick='showHide("items4_1")'><b>知识产权管理</b></dt>
                    <dd style='display: block' class='sitem' id='items4_1'>
                        <ul class='sitemu'>
                            <li><a href='aspx/PatentLawAdd.aspx' target='main'>专利法规添加</a></li>
                            <li><a href='aspx/PatentLawManage.aspx' target='main'>专利法规管理</a></li>
                            <li><a href='aspx/PatentDeclarateAdd.aspx' target='main'>专利申报添加</a></li>
                            <li><a href='aspx/PatentDeclarateManage.aspx' target='main'>专利申报管理</a></li>
                            <li><a href='archives.html' target='main'>专利咨询管理</a></li>
                        </ul>
                    </dd>
                </dl>
                <!-- Item 4 End -->
                </asp:PlaceHolder>
                <asp:PlaceHolder ID="phWS" runat="server" Visible="false">
                <!-- Item 5 Strat -->
                <dl class='bitem'>
                    <dt onclick='showHide("items5_1")'><b>网上办事管理</b></dt>
                    <dd style='display: block' class='sitem' id='items5_1'>
                        <ul class='sitemu'>
                            <li><a href='aspx/DeclareGuideAdd.aspx' target='main'>申报指南添加</a></li>
                            <li><a href='aspx/DeclareGuideManage.aspx' target='main'>申报指南管理</a></li>
                            <li><a href='aspx/DownloadformAdd.aspx' target='main'>表格下载添加</a></li>
                            <li><a href='aspx/DownloadformManage.aspx' target='main'>表格下载管理</a></li>
                            <li><a href='archives.html' target='main'>网上公示添加</a></li>
                            <li><a href='archives.html' target='main'>网上公示管理</a></li>
                        </ul>
                    </dd>
                </dl>
                <!-- Item 5 End -->                
                </asp:PlaceHolder>
            </td>
        </tr>
    </table>

    </form>
</body>
</html>

Main.aspx.cs

protected void Page_Load(object sender, EventArgs e)
    {
        object userID = Session["userID"] ?? "";
        int ID;
        if (int.TryParse(userID.ToString(), out ID))
        {
            //用Dictionary<int, UserPurview> 模拟数据库存储
            Dictionary<int, UserPurview> dic = new Dictionary<int, UserPurview>();            
            UserPurview up = new UserPurview();
            up.UserID = 1;
            up.CX = true;
            up.KJ = true;
            up.WS = true;
            up.ZC = true;
            up.ZS = true;
            dic.Add(up.UserID, up);            
            up = new UserPurview();
            up.UserID = 2;
            up.CX = true;
            up.KJ = true;
            up.WS = false;
            up.ZC = false;
            up.ZS = true;
            dic.Add(up.UserID, up);
            up = new UserPurview();
            up.UserID = 3;
            up.CX = true;
            up.KJ = false;
            up.WS = true;
            up.ZC = false;
            up.ZS = false;
            dic.Add(up.UserID, up);



            UserPurview currentUP;
            //模拟数据库查询
            foreach (KeyValuePair<int, UserPurview> kvp in dic)
            {
                //找到当前用户
                if (kvp.Key == ID)
                {
                    currentUP = kvp.Value;
                    phCX.Visible = currentUP.CX;
                    phKJ.Visible = currentUP.KJ;
                    phWS.Visible = currentUP.WS;
                    phZC.Visible = currentUP.ZC;
                    phZS.Visible = currentUP.ZS;
                }
            }

            
        }
        else
        {
            ClientScript.RegisterStartupScript(GetType(), "error", "alert('请先登录！');location.href='Login.aspx';", true);
        }
    }


public class UserPurview
{
    public int UserID { set; get; }
    public bool CX { set; get; }
    public bool KJ { set; get; }
    public bool WS { set; get; }
    public bool ZC { set; get; }
    public bool ZS { set; get; }    
}

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原文地址：https://www.cnblogs.com/zhangxiaosong/p/3100554.html