WebForm

Posted 2020-09-19 酒不醉心

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简单的人员管理系统

展示页面

添加人员

--判断添加人员的各种条件限制

-- 各种提示

修改人员信息

-- 人员原来信息绑定

--密码不显示，密码不改时用原来密码

人员删除

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

/// <summary>
/// users 的摘要说明
/// </summary>
public class users
{
    public int Ids { get; set; }
    public string Username { get; set; }
    public string Password { get; set; }
    public string Nickname { get; set; }
    public bool Sex { get; set; }
    public string SexStr
    {
        get
        {
            return Sex ? "男" : "女";
        }
    }

    public DateTime Birthday { get; set; }

    public string Birthdaystr
    {
        get
        {
            return Birthday.ToString("yyyy年MM月dd日");
        }
    }

    public int Age
    {
        get
        {
            return DateTime.Now.Year - Birthday.Year;
        }
    }


    public string Nation { get; set; }

    public string NationName
    {
        get
        {
            return new usernationData().selectname(Nation);
        }
    }

}

users

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

/// <summary>
/// usersData 的摘要说明
/// </summary>
public class usersData
{
    SqlConnection conn = null;
    SqlCommand cmd = null;

    public usersData()
    {
        conn = new SqlConnection("server=.;database=Data0216_5;user=sa;pwd=123");
        cmd = conn.CreateCommand();

    }

    //查询全部的人员信息
    public List<users> selectAll()
    {
        List<users> ulist = new List<users>();

        cmd.CommandText = "select * from users";

        conn.Open();

        SqlDataReader dr = cmd.ExecuteReader();

        if (dr.HasRows)
        {
            while (dr.Read())
            {
                users u = new users();

                u.Ids = Convert.ToInt32(dr[0]);
                u.Username = dr[1].ToString();
                u.Password = dr[2].ToString();
                u.Nickname = dr[3].ToString();
                u.Sex = Convert.ToBoolean(dr[4]);
                u.Birthday = Convert.ToDateTime(dr[5]);
                u.Nation = dr[6].ToString();
                ulist.Add(u);

            }



        }



        conn.Close();

        return ulist;

    }

    //添加记录的方法
    public bool insertuser( users u)
    {
        bool b = false ;

        cmd.CommandText = "insert into users values(@a,@b,@c,@d,@e,@f)";
        cmd.Parameters.Clear();
        cmd.Parameters.AddWithValue("@a",u.Username);
        cmd.Parameters.AddWithValue("@b", u.Password );
        cmd.Parameters.AddWithValue("@c", u.Nickname );
        cmd.Parameters.AddWithValue("@d", u.Sex );
        cmd.Parameters.AddWithValue("@e", u.Birthday );
        cmd.Parameters.AddWithValue("@f", u.Nation );

        conn.Open();

       int a = cmd.ExecuteNonQuery();
       if (a >= 1)
           b = true;


        conn.Close();

        return b;
    
    }

    //删除
    public int deleteuser(string id)
    {
        int end = 0;
        cmd.CommandText = "delete from users where Ids = @a";
        cmd.Parameters.Clear();
        cmd.Parameters.AddWithValue("@a", id);
        conn.Open();
        end = cmd.ExecuteNonQuery();
        conn.Close();
        return end;
    }

    //修改
    public int updateuser(users u)
    {
        int end = 0;

        cmd.Parameters.Clear();

        if (u.Password.Length > 0)
        {
            cmd.CommandText = "update users set PassWord=@a,NickName=@b,Sex=@c,Birthday=@d,Nation=@e where Ids = @f";

            cmd.Parameters.AddWithValue("@a", u.Password);
        }
        else
        {
            cmd.CommandText = "update users set NickName=@b,Sex=@c,Birthday=@d,Nation=@e where Ids = @f";

        }
       
        cmd.Parameters.AddWithValue("@b", u.Nickname);
        cmd.Parameters.AddWithValue("@c", u.Sex);
        cmd.Parameters.AddWithValue("@d", u.Birthday);
        cmd.Parameters.AddWithValue("@e", u.Nation);
        cmd.Parameters.AddWithValue("@f", u.Ids);
        conn.Open();
        end = cmd.ExecuteNonQuery();
        conn.Close();
        return end;
    }

    //根据ids查用户
    public users selectuser(string ids)
    {
        users u = null;
        cmd.CommandText = "select *from users where Ids = @a";
        cmd.Parameters.Clear();
        cmd.Parameters.Add("@a", ids);

        conn.Open();
        SqlDataReader dr = cmd.ExecuteReader();
        if (dr.HasRows)
        {
            u = new users();
            dr.Read();
            u.Ids = Convert.ToInt32(dr[0]);
            u.Username = dr[1].ToString();
            u.Password = dr[2].ToString();
            u.Nickname = dr[3].ToString();
            u.Sex = Convert.ToBoolean(dr[4]);
            u.Birthday = Convert.ToDateTime(dr[5]);
            u.Nation = dr[6].ToString();
        }
        conn.Close();
        return u;
    }

    //根据即时用户名查是否存在
    public users selectname(string username)
    {
        users u = null;
        cmd.CommandText = "select *from users where Username = @a";
        cmd.Parameters.Clear();
        cmd.Parameters.Add("@a", username);

        conn.Open();
        SqlDataReader dr = cmd.ExecuteReader();
        if (dr.HasRows)
        {
            u = new users();
            dr.Read();
            u.Ids = Convert.ToInt32(dr[0]);
            u.Username = dr[1].ToString();
            u.Password = dr[2].ToString();
            u.Nickname = dr[3].ToString();
            u.Sex = Convert.ToBoolean(dr[4]);
            u.Birthday = Convert.ToDateTime(dr[5]);
            u.Nation = dr[6].ToString();
        }
        conn.Close();
        return u;
    }


}

usersData

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

/// <summary>
/// usernation 的摘要说明
/// </summary>
public class usernation
{
    public string NationCode { get; set; }
    public string NationName { get; set; }
}

usernation

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

/// <summary>
/// usernationData 的摘要说明
/// </summary>
public class usernationData
{
    SqlConnection conn = null;
    SqlCommand cmd = null;

    public usernationData()
    {
        conn = new SqlConnection("server=.;database=Data0216_5;user=sa;pwd=123");
        cmd = conn.CreateCommand();

    }

    //查询所有的民族信息
    public List<usernation> selectAll()
    {
        List<usernation> ulist = new List<usernation>();
        cmd.CommandText = "select *from usernation";
        conn.Open();
        SqlDataReader dr = cmd.ExecuteReader();
        while (dr.Read())
        {
            usernation u = new usernation();
            u.NationCode = dr["NationCode"].ToString();
            u.NationName = dr["NationName"].ToString();

            ulist.Add(u);
        }
        conn.Close();
        return ulist;
    }

    //根据民族编号查询民族名称
    public string selectname(string code)
    {
        string s = null;

        cmd.CommandText = "select NationName from usernation where NationCode=@a ";
        cmd.Parameters.Clear();
        cmd.Parameters.AddWithValue("@a", code);
        conn.Open();
        
        SqlDataReader dr = cmd.ExecuteReader();
        if (dr.HasRows)
        {
            dr.Read();
            s = dr[0].ToString();
        }

        conn.Close();
        return s;
    

    }


}

usernationData

---------------------------------------------------------------------------------------------

1、数据展示页

效果图

主页

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>

    <style type="text/css">
        .div1 {
            width: 100%;
            height: 80px;
            text-align: center;
            line-height: 80px;
            font-size: 30px;
        }

        /*表格样式*/
        .tab {
            width: 100%;
            background-color: blue;
            text-align: center;
        }
    </style>


</head>
<body>
    <form id="form1" runat="server">
        <div class="div1">奇点0216班学生信息</div>

        <%--使用  Repeater 添加数据--%>
        <asp:Repeater ID="Repeater1" runat="server">

            <HeaderTemplate>
                <%-- 头模板--%>

                <table class="tab">
                    <tr style="color: white; height: 30px;">
                        <td>编号</td>
                        <td>用户名</td>
                        <td>密码</td>
                        <td>昵称</td>
                        <td>性别</td>
                        <td>生日</td>
                        <td>年龄</td>
                        <td>民族</td>
                        <td>设置</td>
                    </tr>
            </HeaderTemplate>



            <ItemTemplate>
                <%-- 项模板--%>

                <tr style="background-color: white;">
                    <td><%#Eval("Ids") %></td>
                    <td><%#Eval("Username") %></td>
                    <td><%#Eval("Password") %></td>
                    <td><%#Eval("Nickname") %></td>
                    <td><%#Eval("Sexstr") %></td>
                    <td><%#Eval("Birthdaystr") %></td>
                    <td><%#Eval("Age") %></td>
                    <td><%#Eval("NationName") %></td>
                    <td>
                        <a href="xiugai.aspx?i=<%#Eval("Ids") %>">编辑 </a>
                        <a onclick="return confirm(\'是否要删除<%#Eval("NickName") %>？\');" href="shanchu.aspx?i=<%#Eval("Ids") %>">删除</a>
                    </td>
                </tr>

            </ItemTemplate>


            <FooterTemplate>
                     <%--脚模板--%>
                </table>
            </FooterTemplate>


        </asp:Repeater>

        <a href="zhuce.aspx" target="_blank">添加新同学</a>


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

.aspx

后台

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

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)  
        {
                 //只在第一次加载时执行的代码
                 //数据展示时不需要，数据展示要展示最新数据
                 
        }
        Repeater1.DataSource = new usersData().selectAll();
        Repeater1.DataBind();  
                         
    }

}

.aspx.cs

------------------------------------------------------------------------------------------

2、添加页

效果图

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="zhuce.aspx.cs" Inherits="zhuce" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
</head>
<body>
    <form id="form1" runat="server">

        <h1 style="text-align: center">用户注册</h1>

        <div style="position: absolute; left: 550px; top: 100px">

            <%--使用表格布局--%>
            <table style="text-align: left">
                <tr>
                    <td style="text-align: right">用户名： </td>
                    <td>
                        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
                    </td>
                    <td><%--使用label提示用户名错误信息--%>
                        <asp:Label ID="uname_error" runat="server" Text="Label"></asp:Label>
                    </td>
                </tr>



                <tr>
                    <td style="text-align: right">昵称：</td>
                    <td>
                        <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
                    </td>
                    <td><%--使用label提示昵称错误信息--%>
                        <asp:Label ID="nick_error" runat="server" Text="Label"></asp:Label>
                    </td>
                </tr>




                <tr>
                    <td style="text-align: right">密码：</td>

                    <td>
                        <asp:TextBox ID="p1" TextMode="Password" runat="server"></asp:TextBox>
                    </td>
                    <td></td>

                </tr>
                <tr>
                    <td style="text-align: right">确认密码：</td>
                    <td>
                        <asp:TextBox ID="p2" TextMode="Password" runat="server"></asp:TextBox>
                    </td>
                    <td><%--使用label提示密码错误信息--%>
                        <asp:Label ID="pwd_error" runat="server" Text="Label"></asp:Label>
                    </td>
                </tr>



                <tr>
                    <td style="text-align: right">性别：</td>
                    <td>
                        <asp:RadioButtonList ID="RadioButtonList1" runat="server" RepeatDirection="Horizontal">
                            <asp:ListItem Text="男" Value="true" Selected="True"></asp:ListItem>
                            <asp:ListItem Text="女" Value="false"></asp:ListItem>
                        </asp:RadioButtonList>
                    </td>
                    <td></td>
                </tr>



                <tr>
                    <td style="text-align: right">生日： </td>
                    <td>
                        <asp:DropDownList ID="Dr1" runat="server"></asp:DropDownList>年
                        <asp:DropDownList ID="Dr2" runat="server"></asp:DropDownList>月
                        <asp:DropDownList ID="Dr3" runat="server"></asp:DropDownList>日
                    </td>
                    <td></td>
                </tr>


                <tr>
                    <td style="text-align: right">民族： </td>
                    <td>
                        <asp:DropDownList ID="Dr4" runat="server"></asp:DropDownList>
                    </td>
                    <td></td>
                </tr>



                <tr>
                    <td></td>
                    <td>
                        <asp:Button OnClientClick="return go();" ID="Button1" runat="server" Text="提交" />
                    </td>
                    <td></td>
                    <%--OnClientClick="return go();"   当go()返回false时 按钮无法点击--%>
                </tr>
            </table>




            <asp:Literal ID="Literal1" runat="server"></asp:Literal>

        </div>

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

<script type="text/javascript">

    var pwdok = false;
    var nickok = false;
    var nameok = false;

    //判断两次密码是否一致
    var pwd1 = document.getElementById("p1");
    var pwd2 = document.getElementById("p2");

    pwd1.onkeyup = function () { pwd1_2(pwd1, pwd2); }     //pwd1 按键抬起时触发方法 
    pwd2.onkeyup = function () { pwd1_2(pwd1, pwd2); }     //pwd2 按键抬起时触发方法

    function pwd1_2(a, b) {                     // pwd1_2 判断方法名称
        if (a.value != b.value) {              //表单元素用 value取值，非表单元素用innerText
            document.getElementById("pwd_error").innerText = "两次密码不一致！";
            document.getElementById("pwd_error").style.color = "red";
            pwdok = false;
        }
        else {
            document.getElementById("pwd_error").innerText = "正确！";
            document.getElementById("pwd_error").style.color = "green";
            pwdok = true;
        }
    }


    //判断昵称是否为空
    document.getElementById("TextBox2").onkeyup = function () {
        if (this.value.length > 0) { nickok = true; }
        else
        {
            nickok = false;
        }
    }

    //判断用户名是否为空
    document.getElementById("TextBox1").onkeyup = function () {
        if (this.value.length > 0) { nameok = true; }
        else
        {
            nameok = false;
        }
    }

    //最终返回 false 还是 true ———— 确定按钮是否可用
    function go() {
        return pwdok && nickok && nameok;
    }


    //年份改变时发生                            //onchange 内容改变触发
    var year = document.getElementById("Dr1");
    var mon = document.getElementById("Dr2");
    var day = document.getElementById("Dr3");

    year.onchange = function () {

        if (mon.value == "2") {

            if (this.value % 4 == 0 && this.value % 100以上是关于WebForm的主要内容，如果未能解决你的问题，请参考以下文章 
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