前台<body>中的代码：
<body> <divid="top"> </div> <formid="login"name="login"action="?Action=Login"method="post"> <divid="center"> <divid="center_left"></div> <divid="center_middle"> <divclass="user"> <label>用户名： <inputtype="text"name="UserName"id="UserName"/> </label> </div> <br/> <divclass="user"> <label>密 码： <inputtype="password"name="UserPassword"id="UserPassword"/> </label> </div> </div> <divid="center_middle_right"></div> <divid="center_submit"> <divclass="button"> <imgalt=""id="loginin"src="images/dl.gif"width="57"height="20"onclick="document.login.submit()"/> </div> <divclass="button"> <imgalt=""id="loginreset"src="images/cz.gif"width="57"height="20"onclick="document.login.reset()"/> </div> </div> <divid="center_right"></div> </div> </form> <divid="footer"></div></body> |
通过图片的点击事件，执行form.submit()传递form中的参数。
后台cs代码：
protectedstring Action = ""; myBaseClass myData =
new myBaseClass(); protectedclass UserLoginInfo { publicstring UserName = ""; publicstring UserPassword =
""; } protectedUserLoginInfo _UserLoginInfo = newUserLoginInfo();//创建对象 protectedvoid Page_Load(objectsender, EventArgs e) { Init_WebControls(); } publicvoid Init_WebControls() { try { if(!string.IsNullOrEmpty(Request.QueryString["Action"]))//获取form的Action中的参数 { Action = Request.QueryString["Action"].Trim().ToLower();//去掉空格并变小写 } switch(Action) { case"login": if(!string.IsNullOrEmpty(Request.Form["UserName"]) && !string.IsNullOrEmpty(Request.Form["UserPassWord"]))//获取form中的参数 { _UserLoginInfo.UserName = Request.Form["UserName"].ToString(); _UserLoginInfo.UserPassword = Request.Form["UserPassWord"].ToString(); stringuser = "select 管理员名称,密码 from T_管理员表 where 管理员名称='"+ _UserLoginInfo.UserName + "' and 密码='"+ _UserLoginInfo.UserPassword + "'"; if(myData.readDataSet(user).Tables[0].Rows.Count == 1) { Response.Redirect("Main.aspx",
false);//防止Response.End 方法终止页的执行 } else { Response.Write("<Script Language=JavaScript>alert('密码或用户名错误，请重试！');</Script>"); } } break; } } catch(Exception ex) { thrownew Exception(ex.Message); } }