WEB简单数据操作练习
主要学习代码：
Login.aspx:
<!--第一种方式-->
<%-- <script type="text/javascript">
function Go() {
var name = document.getElementById("txtName");
var pwd = document.getElementById("txtPwd");
var code = document.getElementById("txtCode");
if (name.value == "") {
alert("请输入用户名");
}
else if (pwd.value == "") {
alert("请输入密码");
}
else if (code.value == "") {
alert("请输入验证码");
}
else {
//哈哈，不知道怎么了这里用不了链式编程了
var btn = document.getElementById("btnLogin");
btn.setAttribute("type", "submit");
btn.onsubmit;
}
};
</script>--%>
<script type="text/javascript">
function Go() {
var name = document.getElementById("txtName");
var pwd = document.getElementById("txtPwd");
var code = document.getElementById("txtCode");
if (name.value == "") {
alert("请输入用户名");
return false;
}
else if (pwd.value == "") {
alert("请输入密码");
return false;
}
else if (code.value == "") {
alert("请输入验证码");
return false;
}
return true;
};
</script>
<style type="text/css">
.input {
font-size: 16px;
width: 150px;
margin: 3px;
vertical-align: text-bottom;
}
</style>
</head>
<body>
<div id="Login" style="width: 350px; height: 150px; background-color: #00ff21; padding: 5px; position:fixed;top:50%;left:50%;margin:-100px 0 0 -175px;">
<form method="post" action="Login.aspx">
用户名：<input class="input" type="text" name="txtName" id="txtName" /><br />
密 码：<input class="input" type="password" name="txtPwd" id="txtPwd" /><br />
验证码：<input class="input" type="text" name="txtCode" id="txtCode" /><img src="VerifyCode.ashx" onclick="this.src='VerifyCode.ashx?times='+new Date();" title="点击更换验证码" alt="验证码" style="height: 40px; margin-left: 10px;" /><br />
<div style="float: left; margin: 8px;">
<!--第一种方式-->
<%--<input type="button" value="登录" id="btnLogin" onclick="Go()"/>--%><!--不能用submit作为名字--><input type="checkbox" name="chkAuto" id="chkAuto" /><label for="chkAuto">一周内自动登录</label> <input type="submit" value="登录" onclick="return Go()" style="margin-right: 18px; float: right;" />
</div>
</form>
</div>
</body>
Login.aspx.cs
public partial class Login : System.Web.UI.Page
{
Web.BLL.TransferAction action = null;
protected void Page_Load(object sender, EventArgs e)
{
//刷新登录。。。
string name, code, pwd;
code = Request.Form["txtCode"];
if (null == Request.Cookies["cName"] && Request.Cookies["cPwd"] == null)
{
if (code != null)
{
if (code == Session["code"].ToString().ToLower())
{
name = Request.Form["txtName"];
pwd = Request.Form["txtPwd"];
action = new Web.BLL.TransferAction();
if (action.IsExist(name, pwd))
{
if (Request.Form["chkAuto"] != null)//选中 on
{
//实际(加密[user+Identity+key+...])并不是这样实现自动登录的，只是简单原理仅供学习。
HttpCookie cookieName = new HttpCookie("cName", name);
HttpCookie cookiePwd = new HttpCookie("cPwd");
cookiePwd.Value = pwd;
cookiePwd.Expires = DateTime.Now.AddMinutes();
cookieName.Expires = DateTime.Now.AddMinutes();
Response.Cookies.Add(cookieName);
Response.Cookies.Add(cookiePwd);//已经向浏览器发送了Cookie。
}
Session["name"] = name;
// Response.Cookies.Add(cookiePwd);后UrlReferrer不为null
Response.Redirect("List.aspx");
}
else
{
Response.Write("<script>alert(\"用户名或密码错误。\");</script>");
}
}
else
{//向浏览器输出js脚本
//// 第一个参数产生随机键
//但是必须是<form runat="server" />
//Page.ClientScript.RegisterClientScriptBlock(this.GetType(), Guid.NewGuid().ToString(), "alert(\"验证码错误。\");", true);
//Page.ClientScript.registerstartupscript(this.gettype(), guid.newguid().tostring(), "alert(\"验证码错误。\");", true);
Response.Write("<script>alert('验证码错误')</script>");
}
}
}
else
{
action = new Web.BLL.TransferAction();
if (action.IsExist(Request.Cookies["cName"].Value, Request.Cookies["cPwd"].Value))
{
Session["name"] = Request.Cookies["cName"].Value;
//这里没有向浏览器输出任何东西，所以List的UrlReferrer为null
//Response.Redirect("List.aspx");
//所以不用上面的用下面的
Response.Write("自动登录成功，<span id='span' style=\"color:red;\">3</span> 秒后跳转。<script>var sec=2; setInterval(function (){if(sec<0){window.location='List.aspx';}else{document.getElementById(\"span\").innerHTML=sec;sec--;}},1000);</script>");
//停止执行页面。
Response.End();
}
else
{
Response.Write("<script>alert(\"自动登录失败，请手动登录.\");</script>");
}
}
}
}
List.aspx
<style type="text/css">
.head {
width: 250px;
margin: 30px auto;
} table {
border-left: 1px solid #000;
border-top: 1px solid #000;
margin: 10px auto;
padding: 0px;
width: 500px;
text-align: center;
} td {
border-right: 1px solid #000;
border-bottom: 1px solid #000;
padding: 5px;
}
</style>
</head>
<body>
<form id="form1">
<div class="head">姓名：<%=Web.Model.Users.USER!=null?Web.Model.Users.USER.Name:"" %> 学号：<%=Web.Model.Users.USER!=null?Web.Model.Users.USER.Num:"" %></div>
<div>
<table cellspacing="0">
<tr>
<td>ID</td>
<td>C#</td>
<td>SQL</td>
<td>ASP.NET</td>
<td>Edit</td>
</tr>
<%Response.Write(sb.ToString()); %>
</table>
</div>
</form>
</body>
List.aspx.cs
public System.Text.StringBuilder sb = new System.Text.StringBuilder();
protected void Page_Load(object sender, EventArgs e)
{
//window.location=下有UrlReferrer吗？ 答案：YES
if (Session["name"] != null && Request.UrlReferrer.ToString().Contains("Login.aspx"))
{
sb.Append("<tr><td>");
sb.Append(Web.Model.Users.USER.ID.ToString());
sb.Append("</td><td>");
if (Web.Model.Users.USER.sNUM != null)
{
sb.Append(Web.Model.Users.USER.sNUM.CSharp == null ? "" : Web.Model.Users.USER.sNUM.CSharp.ToString());
sb.Append("</td><td>");
sb.Append(Web.Model.Users.USER.sNUM.SQL == null ? "" : Web.Model.Users.USER.sNUM.SQL.ToString());
sb.Append("</td><td>");
sb.Append(Web.Model.Users.USER.sNUM.ASPNET == null ? "" : Web.Model.Users.USER.sNUM.ASPNET.ToString());
}
else
{
sb.Append("</td><td></td><td>");
}
sb.Append("</td><td>");
sb.Append("<a href='Edit.aspx?access=" + Web.Model.Users.USER.Access + "'>编辑</a>");
sb.Append("</td></tr>");
}
else
{
Response.Redirect("Forbidden.aspx");
}
}
Modify.aspx.cs
private Web.BLL.TransferAction action = null;
protected void Page_Load(object sender, EventArgs e)
{
if (Request.UrlReferrer != null && Request.UrlReferrer.ToString().Contains("Edit.aspx?access="))
{
int result = ;
//提交表单时有空的情况？
//管理员
string name = Request.Form["txtMName"];
string pwd = Request.Form["txtMPwd"];
string num = Request.Form["txtMNum"];
//用户
string access = Request.Form["txtMAccess"];
//Score
string csharp = Request.Form["txtMCSharp"];
string sql = Request.Form["txtMSQL"];
string aspnet = Request.Form["txtMASPNET"];
//id
string id = Request.Form["id_Modify"];
//
if (csharp == null)
{
Web.Model.Users user = new Web.Model.Users();
user.Name = name;
user.Pwd = pwd;
user.Num = num;
user.Access = access == null ? null : (bool?)(bool.Parse((access == "" ? "false" : "true")));
user.ID = int.Parse(id);
action = new Web.BLL.TransferAction();
//重点：
//事实上你修改了用户密码：要重新向客户端重置Cookie
result = action.Modify(user);
if (result == )
{
HttpCookie cname = new HttpCookie("cName", num);
HttpCookie cpwd = new HttpCookie("cPwd", pwd);
cname.Expires = DateTime.Now.AddHours();
cpwd.Expires = DateTime.Now.AddHours();
Response.Cookies.Add(cname);
Response.Cookies.Add(cpwd);
}
}
else
{
Web.Model.Score score = new Web.Model.Score();
score.CSharp = csharp == "" ? null : (int?)int.Parse(csharp);
score.SQL = sql == "" ? null : (int?)int.Parse(sql);
score.ASPNET = aspnet == "" ? null : (int?)int.Parse(aspnet);
score.ID = int.Parse(id);
action = new Web.BLL.TransferAction();
result = action.Modify(score);
}
//action = new Web.BLL.TransferAction();
if (result == )
{
Response.Write("数据修改成功，<span id=\"sInfo\" style=\"color:red;\">3</span>秒后，自动跳转。<script>var s=3;setInterval(function(){if(s<0){window.location='Edit.aspx?access=true';}else{document.getElementById(\"sInfo\").innerHTML=s;s--;}},1000);</script>");
}
else
{
//数据插入失败。
Response.Write("数据修改失败，<span id=\"sInfo\" style=\"color:red;\">3</span>秒后，自动跳转。<script>var s=3;setInterval(function(){if(s<0){window.location='Edit.aspx?access=true';}else{document.getElementById(\"sInfo\").innerHTML=s;s--;}},1000);</script>");
}
}
else
{
Response.Redirect("Forbidden.aspx");
}
}
Edit.aspx
<style type="text/css">
div p {
font-size: xx-large;
color: #ff006e;
text-align: center;
} table {
/*border-left: 1px solid #000;
border-top: 0px solid #000;*/
border: none;
margin: 0px auto;
padding: 3px;
} td {
border-left: 1px solid #000;
border-right: 1px solid #000;
border-bottom: 1px solid #f00;
padding: 5px;
text-align: center;
width: 100px;
}
</style>
<script type="text/javascript">
function Show() {
document.getElementById(arguments[0]).style.display = "block";
};
function Cancel(id) {
document.getElementById(id).style.display = "none";
};
function Del(id) {
//这里没有AJAX的异步请求滴。很假很假的模拟。
if (confirm("确定删除吗？")) {
window.location = "Del.aspx?id=" + id;
}
};
function tbl(innerHtml) {
document.getElementById("tbl").innerHTML = innerHtml;
};
function GO() {
//3个公共的输入框
if (document.getElementById(arguments[0]).value == "") {
alert("请输入名字"); return false;
}
if (document.getElementById(arguments[1]).value == "") {
alert("请输入密码"); return false;
}
if (document.getElementById(arguments[2]).value == "") {
alert("请输入学号"); return false;
}
//非管理员的修改/添加用户
if (arguments.length == 4 || document.getElementById("txtMAccess")) {//
var c = true;
if (arguments[3] != "txtAccess") {
if (document.getElementById("txtMAccess").value == "")
c = false;
}
else {//添加用户
if (document.getElementById("txtAccess").value == "")
c = false;
}
if (!c) {
alert("请输入权限"); return false;
}
}
return true;
};
//可行否？：href='javascript:Show();GetTrObj();';//答案：YES。
//弹出层显示
function GetTrObj() {
var tr, innerHtml;
if (arguments[0] == "u") {//u:用户
innerHtml = <%=tblU %>
tr = document.getElementById("u" + arguments[1]);
if (tr.childNodes[tr.childElementCount - 2].textContent == "0") {//非管理员，没有设计对管理员的权限修改
innerHtml += <%=tblUAdd%>
tbl(innerHtml);
document.getElementById("txtMAccess").value = 0;
}
else
tbl(innerHtml);
document.getElementById('txtMName').value = tr.childNodes.item(1).textContent;
document.getElementById('txtMPwd').value = tr.children.item(2).innerHTML;
document.getElementById('txtMNum').value = tr.childNodes[3].innerText;
//给事件动态传递参数
//提取修改 管理员3个 用户4个 的公共输入框不能为空。
document.getElementById("sub").onclick = function () { return GO('txtMName', 'txtMPwd', 'txtMNum'); };
}
else {//s:成绩
innerHtml = <%=tblS%>
tr = document.getElementById("s" + arguments[1]);
tbl(innerHtml);
document.getElementById('txtMCSharp').value = tr.childNodes.item(2).textContent;
document.getElementById('txtMSQL').value = tr.children.item(3).innerHTML;
document.getElementById('txtMASPNET').value = tr.childNodes[4].innerText;
//Score修改
//因为成绩是可为null 可以直接submit->post 不用GO验证
}
//表单ID
document.getElementById("id_Modify").value = arguments[1];
};
</script>
</head>
<body>
<!--none-->
<input type="hidden" value="<%=json %>" />
<div id="hidden" style="display: none;">
<div>
<p>管理员编辑页面</p>
</div>
<form id="form1">
<table cellspacing="0" style="margin-top: 60px;">
<tr style="border-bottom: 1px; padding: 10px;">
<td colspan="5" style="text-align: left; padding-left: 60px; padding-bottom: 15px; border-right: none; border-left: none;">管理员： <%=(Web.Model.Users.USER!=null&&access!=null)?Web.Model.Users.USER.Name:"" %></td>
<td style="text-align: center; padding-bottom: 15px; border-right: none; border-left: none;"><a href="javascript:Show('Add');">添加</a></td>
</tr>
<tr>
<td>ID</td>
<td>Name</td>
<td>Pwd</td>
<td>Number</td>
<td>Access</td>
<td>编辑</td>
</tr>
<%=sbUser %>
</table>
<table cellspacing="0" style="margin-top: 80px;">
<tr>
<td colspan="6" style="text-align: center; padding-bottom: 15px; border-left: none; border-right: none;">成绩列表</td>
</tr>
<tr>
<td>ID</td>
<td>Number</td>
<td>C#</td>
<td>SQL</td>
<td>ASP.NET</td>
<td>编辑</td>
</tr>
<%=sbScore %>
</table>
</form>
</div>
<!--Add-->
<div id="Add" style="width: 500px; height: 170px; top: 50%; left: 50%; margin: -100px 0 0 -250px; position: fixed; display: none; z-index: 101; background-color: #808080; opacity: 0.9;">
<br />
<!--什么也没写到本页面-->
<form action="Add.aspx" method="post" id="frmAdd">
<div style="text-align: center; padding: 10px;">
姓名：<input type="text" name="txtName" id="txtName" />
密码：<input type="text" name="txtPwd" id="txtPwd" /><br />
学号：<input type="text" name="txtNum" id="txtNum" />
权限：<input type="text" name="txtAccess" id="txtAccess" value="0" /><br />
C#：<input type="text" name="txtCSharp" id="txtCSharp" />
SQL：<input type="text" name="txtSQL" id="txtSQL" /><br />
ASP.Net：<input type="text" name="txtASPNET" id="txtASPNET" />
</div>
<div style="width: auto; float: right; margin: 10px auto; padding: 2px;">
<!--添加7个输入框 参数中的4个不能为空-->
<input type="submit" value="确定" id="btnOK" onclick="return GO('txtName', 'txtPwd', 'txtNum', 'txtAccess')" /> <input type="button" value="取消" id="btnCancel" onclick=" javascript: Cancel('Add');" />
</div>
</form>
</div>
<!--Modify-Admin-->
<div id="A_Modify" style="display: none; width: 300px; height: 180px; background-color: #0b9b05; opacity: 0.9; left: 50%; top: 50%; margin: -90px 0 0 -150px; position: fixed;">
<form action="Modify.aspx" method="post">
<input type="hidden" name="id_Modify" id="id_Modify" />
<div id="tbl" style="width: 202px; height: auto; margin: 0 auto; padding-top: 28px;">
</div>
<div style="margin-top: 20px; float: right; margin-right: 40px;">
<input type="submit" value="确定" id="sub" />
<input type="button" value="取消" onclick="javascript: Cancel('A_Modify');" />
</div>
</form>
</div>
<div style="text-align: center; bottom: 10px; margin-top: 100px;">
<span>管理员请谨慎操作</span>
</div>
</body>
Edit.aspx.cs
protected string json;
public string tblU = "'姓名：<input type=\"text\" name=\"txtMName\" id=\"txtMName\"/><br />密码：<input type=\"text\" name=\"txtMPwd\" id=\"txtMPwd\" /><br />学号：<input type=\"text\" name=\"txtMNum\" id=\"txtMNum\" /><br />';";
public string tblUAdd="'权限：<input type=\"text\" name=\"txtMAccess\" id=\"txtMAccess\" /><br />';";
public string tblS = "'C#：<input type=\"text\" name=\"txtMCSharp\" id=\"txtMCSharp\"/><br />SQL：<input type=\"text\" name=\"txtMSQL\" id=\"txtMSQL\"/><br />ASP.NET：<input type=\"text\" name=\"txtMASPNET\" id=\"txtMASPNET\" /><br />';";
private List<Web.Model.Users> lsUsers = null;
public Dictionary<int, Web.Model.Users> dUS = null;
public object access = null;
public System.Text.StringBuilder sbUser, sbScore;
private Web.BLL.TransferAction action = null;
protected void Page_Load(object sender, EventArgs e)
{
access = Request.QueryString["access"];
//这里为什么一直请求。
if (access != null && bool.Parse(access.ToString()) == true && Request.UrlReferrer != null)
{
//显示body
Response.Write("<script>window.onload=function(){document.getElementById(\"hidden\").style.display = \"block\";};</script>");
action = new Web.BLL.TransferAction();
//1.得到所有的Users和Score
lsUsers = action.GetUsers(); //JavaScriptSerializer js = new JavaScriptSerializer();
//json = js.Serialize(lsUsers);
// JavaScriptConverter
if (lsUsers != null)
{
sbUser = new System.Text.StringBuilder();
sbScore = new System.Text.StringBuilder();
}
foreach (Web.Model.Users item in lsUsers)
{
//为获取tr对象
sbUser.Append("<tr id=\"u" + item.ID + "\"><td>");
sbUser.Append(item.ID);
sbUser.Append("</td><td>");
sbUser.Append(item.Name);
sbUser.Append("</td><td>");
sbUser.Append(item.Pwd);
sbUser.Append("</td><td>");
sbUser.Append(item.Num);
sbUser.Append("</td><td>");
if (item.Access == true)
{
sbUser.Append();
sbUser.Append("</td><td>");
//管理员的话没有删除。假定只有一个管理员，
//扩展的话可以修改Access：但是
//查询出来的Access==true的count必须大于1
sbUser.Append("<a href='javascript:Show(\"A_Modify\"," + item.ID + ");GetTrObj(\"u\"," + item.ID + ");'>修改</a>");
}
else
{
sbUser.Append();
sbUser.Append("</td><td>");
sbUser.Append("<a href='javascript:Show(\"A_Modify\"," + item.ID + ");GetTrObj(\"u\"," + item.ID + ");'>修改</a> <a href='javascript:Del(" + item.ID + ");'>删除</a>");
}
sbUser.Append("</td></tr>");
if (item.sNUM != null)
{
sbScore.Append("<tr id=\"s" + item.sNUM.ID + "\"><td>");
sbScore.Append(item.sNUM.ID);
sbScore.Append("</td><td>");
sbScore.Append(item.sNUM.Number);
sbScore.Append("</td><td>");
sbScore.Append(item.sNUM.CSharp);
sbScore.Append("</td><td>");
sbScore.Append(item.sNUM.SQL);
sbScore.Append("</td><td>");
sbScore.Append(item.sNUM.ASPNET);
sbScore.Append("</td><td>");
sbScore.Append("<a href='javascript:Show(\"A_Modify\"," + item.ID + ");GetTrObj(\"s\"," + item.sNUM.ID + ");'>修改</a>");
// sbScore.Append("</td><td>");
sbScore.Append("</td></tr>");
}
}
// dUS = action.GetUsersAndScore();
//2.连接成字符串显示 }
else
{
//用一个公用方法更好。
Response.Write("请用管理员身份登录，<span id='span' style=\"color:red;\">3</span> 秒后回到登录页面。<script>var sec=2; setInterval(function (){if(sec<0){window.location='Login.aspx';}else{document.getElementById(\"span\").innerHTML=sec;sec--;}},1000);</script>");
Response.End();
}
}
Web.BAL
using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace Web.BAL
{
public class SQLAction
{
private SqlHelper helper = null;
public SQLAction()
{
helper = new SqlHelper();
} private Web.Model.Users users = null;
//重点：
// 关联表的对象就不能在这里置null了，
//private Web.Model.Score score = null; private Dictionary<Web.Model.Users, Web.Model.Score> dUS = null;
private List<Web.Model.Users> lsUsers = null; public bool IsExist(string number, string pwd)
{
return this.GetUser(number, pwd) != null;
} public Web.Model.Users GetUser(string number, string pwd)
{
string sql = "select * from tblUsers where u_Number=@num and u_Pwd=@pwd";
SqlParameter[] param = { new SqlParameter("@num", number), new SqlParameter("@pwd", pwd) };
using (SqlDataReader reader = helper.ExecuteDataReader(sql, param))
{
if (reader.HasRows)
{
while (reader.Read())
{
users = new Model.Users();
users.ID = reader.GetInt32();
users.Name = reader.GetString();
users.Pwd = reader.GetString();
users.Num = reader.GetString();
// users.Number = this.GetScore(number);
//耗能。
//Web.Model.Users.Number = this.GetScore(number);
users.sNUM = this.GetScore(number);
users.Access = (bool?)reader.GetBoolean();
Web.Model.Users.USER = users;
}
}
}
return users;
}
private Web.Model.Score GetScore(string number)
{
Web.Model.Score score = null;
string sql = "select * from TblScore where s_Number=@num";
//此时还能调用reader? 答案：YES
using (SqlDataReader reader = helper.ExecuteDataReader(sql, new SqlParameter("@num", number)))
{
if (reader.HasRows)
{
score = new Model.Score();
while (reader.Read())
{
score.ID = reader.GetInt32();
score.Number = reader.GetString();
score.CSharp = reader.IsDBNull() ? null : (int?)reader.GetInt32();
score.SQL = reader.IsDBNull() ? null : (int?)reader.GetInt32();
score.ASPNET = reader.IsDBNull() ? null : (int?)reader.GetInt32();
}
}
}
return score;
}
/// <summary>
/// 这个走极端了
/// </summary>
/// <returns></returns>
public Dictionary<Web.Model.Users, Web.Model.Score> GetUsersAndScore()
{
string sql = "select * from tblUsers";
System.Data.DataTable dt = helper.ExecuteDataTable(sql);
if (dt.Rows.Count > )
{
dUS = new Dictionary<Web.Model.Users, Web.Model.Score>();
foreach (System.Data.DataRow item in dt.Rows)
{
users = new Web.Model.Users();
//根据数据库设计这里不判断IsNull了。
users.ID = int.Parse(item[].ToString());
users.Name = item[].ToString();
users.Pwd = item[].ToString();
//users.Num = item[3].ToString();
//看看item[4]是什么 数字--boolean
users.Access = bool.Parse(item[].ToString());
//添加value值为null是什么情况？
//key相同不相同
dUS.Add(users, this.GetScore(item[].ToString()));
}
}
return dUS;
}
// 这样移植性大大降低了。
// public List<Web.Model.Users> GetUsers(Dictionary<int, Web.Model.Users> dUS)
public List<Web.Model.Users> GetUsers()
{
string sql = "select * from tblUsers";
System.Data.DataTable dt = helper.ExecuteDataTable(sql);
if (dt.Rows.Count > )
{
lsUsers = new List<Web.Model.Users>();
foreach (System.Data.DataRow item in dt.Rows)
{
users = new Web.Model.Users();
//根据数据库设计这里不判断IsNull了。
users.ID = int.Parse(item[].ToString());
users.Name = item[].ToString();
users.Pwd = item[].ToString();
users.Num = item[].ToString();
users.sNUM = this.GetScore(item[].ToString());
//看看item[4]是什么 数字--boolean:答案布尔
users.Access = bool.Parse(item[].ToString());
lsUsers.Add(users);
//dUS.Add(users.ID, users);
}
}
return lsUsers;
} public int Add(params string[] param)
{
//Add(name, pwd, num, access, csharp, sql, aspnet);
string sqlU = "insert into tblUsers values(@name,@pwd,@num,@access)";
SqlParameter[] paramU = { new SqlParameter("@name", param.GetValue()), new SqlParameter("@pwd", param[]), new SqlParameter("@num", param.ElementAt()), new SqlParameter("@access", param[]) };
int tmp = helper.ExecuteNonQuery(sqlU, paramU);
//
if (param.Length > )
{
string sqlS = "insert into TblScore values(@num,@csharp,@sql,@aspnet)";
SqlParameter[] paramS = { new SqlParameter("@num", param[]), new SqlParameter("@csharp", param[] == "" ? DBNull.Value : (object)param[]), new SqlParameter("@sql", param[] == "" ? DBNull.Value : (object)param[]), new SqlParameter("@aspnet", param[] == "" ? DBNull.Value : (object)param[]) };
if (tmp == helper.ExecuteNonQuery(sqlS, paramS))
return ;
return ;
}
return tmp;
}
public int Del(string id)
{
string sql = "delete from tblUsers where u_ID=@id";
return helper.ExecuteNonQuery(sql, new SqlParameter("@id", int.Parse(id)));
} public int Modify<T>(T obj)
{
string sql = string.Empty;
SqlParameter[] param = null;
if (obj is Web.Model.Users)
{
bool? acc = (obj as Web.Model.Users).Access;
sql = "update tblUsers set u_Name=@name,u_Pwd=@pwd,u_Number=@num,u_Access=@access where u_ID=@id";
param = new SqlParameter[] {
new SqlParameter("@name",((Web.Model.Users)Convert.ChangeType(obj,typeof(Web.Model.Users))).Name),
new SqlParameter("@pwd",(obj as Web.Model.Users).Pwd),
new SqlParameter("@num",(obj as Web.Model.Users).Num),
//null 说明：管理员的修改，
new SqlParameter("@access",(acc==null?:(acc==false?:))),
new SqlParameter("@id",(obj as Web.Model.Users).ID)
};
}
else
{
sql = "update tblScore set s_C#=@cs,s_SQL=@sql,s_ASPNET=@aspnet where s_ID=@id";
int? cs = (obj as Web.Model.Score).CSharp;
int? SQL = (obj as Web.Model.Score).SQL;
int? asp = (obj as Web.Model.Score).ASPNET;
param = new SqlParameter[] { new SqlParameter("@cs", cs == null ? DBNull.Value : (object)cs) ,
new SqlParameter("@sql",SQL==null?DBNull.Value:(object)SQL),
new SqlParameter("@aspnet",asp==null?DBNull.Value:(object)asp),
new SqlParameter("@id",(obj as Web.Model.Score).ID)};
} return helper.ExecuteNonQuery(sql, param);
}
}
}
Web.Model
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace Web.Model
{
public class Users
{
public Users()
{ }
/// <summary>
/// 当前登录者
/// </summary>
public static Users USER { get; set; } private int id;
/// <summary>
/// ID
/// </summary>
public int ID
{
get { return id; }
set { id = value; }
}
private string name;
/// <summary>
/// Name
/// </summary>
public string Name
{
get { return name; }
set { name = value; }
}
private string pwd;
/// <summary>
/// pwd
/// </summary>
public string Pwd
{
get { return pwd; }
set { pwd = value; }
}
private string num;
/// <summary>
/// number
/// </summary>
public string Num
{
get { return num; }
set { num = value; }
} //private static Score number;
///// <summary>
///// 当前登录者Score--number
///// </summary>
//public static Score Number
//{
// get { return number; }
// set { number = value; }
//}
private Score sNum;
/// <summary>
/// Score--Number
/// </summary>
public Score sNUM
{
get { return sNum; }
set { sNum = value; }
} private bool? access;
/// <summary>
/// access
/// </summary>
public bool? Access
{
get { return access; }
set { access = value; }
} }
public class Score
{
public Score()
{ }
private int id;
/// <summary>
/// id
/// </summary>
public int ID
{
get { return id; }
set { id = value; }
}
private string number;
/// <summary>
/// number
/// </summary>
public string Number
{
get { return number; }
set { number = value; }
}
private int? csharp;
/// <summary>
/// C#
/// </summary>
public int? CSharp
{
get { return csharp; }
set { csharp = value; }
}
private int? sql;
/// <summary>
/// sql
/// </summary>
public int? SQL
{
get { return sql; }
set { sql = value; }
}
private int? aspnet;
/// <summary>
/// aspnet
/// </summary>
public int? ASPNET
{
get { return aspnet; }
set { aspnet = value; }
} }
}
项目文件：http://pan.baidu.com/s/1dDf5mlb
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