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Ashx增删改查_动软

2024-09-13 14:31:36   217人阅读

1.首先展示列表 ashx 讲究的是个替换 这些就是属于ashx麻烦的地方

 1   public void ProcessRequest(HttpContext context)
 2         {
 3             context.Response.ContentType = "text/html";
 4             BLL.UserInfoService UserInfoService = new BLL.UserInfoService();
 5            List<UserInfo>list= UserInfoService.GetEntityList();
 6            // List<UserInfo>list=UserInfoService.GetEntityList();
 7             StringBuilder sb = new StringBuilder();
 8             foreach (UserInfo userInfo in list)
 9             {
10                 sb.AppendFormat("<tr><td>{0}</td><td>{1}</td><td>{2}</td><td>{3}</td><td>{4}</td><td
><a href=http://www.mamicode.com/‘ShowDetail.ashx?id={5}‘>详细</a></td><td>删除</td><td><a href=http://www.mamicode.com/‘Edit.ashx?id={5}‘>修改</a></td></tr>",
 userInfo.ID, userInfo.UserName, userInfo.UserPass, userInfo.RegTime.ToShortDateString(), userInfo.Email, userInfo.ID);
11             }
12             string filePath = context.Request.MapPath("UserInfoList.html");
13             string fileContent = File.ReadAllText(filePath);
14            fileContent= fileContent.Replace("$tbody",sb.ToString());
15            context.Response.Write(fileContent);
16         }

 

修改

 1  public void ProcessRequest(HttpContext context)
 2         {
 3             context.Response.ContentType = "text/html";
 4             int id;
 5             if (int.TryParse(context.Request.QueryString["id"], out id))
 6             {
 7                 //1从Bll 里面获取数据
 8                 BLL.UserInfoService UserInfoService = new BLL.UserInfoService();
 9 
10                 UserInfo userInfo =UserInfoService.GetModel(id);
11                 //2创建文件名和文件路径
12                 string filePath = context.Request.MapPath("Edit.html");
13                 string fileContent = File.ReadAllText(filePath);
14                //3 再替换
15                fileContent= fileContent.Replace("$txtName",userInfo.UserName).Replace("$txtPwd",userInfo.UserPass).Replace("$txtEmail",userInfo.Email).Replace("$txtRegTime",userInfo.RegTime.ToString()).Replace("$txtId",userInfo.ID.ToString());
16                context.Response.Write(fileContent);
17             }
18         }


Edit.html类



1  <form method="post" action="ProcessEdit.ashx">
 2       <input type="hidden" name="txtId" value=http://www.mamicode.com/"$txtId" />
 3     <table>
 4         <tr><td>用户名</td><td><input type="text" name="txtName" value=http://www.mamicode.com/"$txtName" /></td></tr>
 5           <tr><td>密码</td><td><input type="text" name="txtPwd" value=http://www.mamicode.com/"$txtPwd" /></td></tr>
 6        <!--   <tr><td>邮箱</td><td><input type="text" name="txtEmail"  value=http://www.mamicode.com/"$txtEmail"/></td></tr>
 7            <tr><td>日期时间</td><td><input type="text" name="txtRegTime"  value=http://www.mamicode.com/"$txtRegTime"/></td></tr>-->
 8         <tr><td colspan="4"><input type="submit" value=http://www.mamicode.com/"修改用户" /></td></tr>
 9     </table>
10         </form>




 




ProcessEdit.ashx类




public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
          //  UserInfo userInfo = new UserInfo();
            //userInfo.UserName=context.Request.Form["txtName"];
            //userInfo.UserPass=context.Request.Form["txtPwd"];
            //userInfo.RegTime = Convert.ToDateTime(context.Request.Form["txtRegTime"]);
            //userInfo.Email=context.Request.Form["txtEmail"];
            int id=Convert.ToInt32(context.Request.Form["txtId"]);
            BLL.UserInfoService UserInfoService = new BLL.UserInfoService();
            UserInfo userInfo=UserInfoService.GetModel(id);//查询一下，然后再修改,
            userInfo.UserName = context.Request.Form["txtName"];
            userInfo.UserPass = context.Request.Form["txtPwd"];
            if (UserInfoService.UpdateEntity(userInfo))
            {
                context.Response.Redirect("UserInfoList.ashx");
            }
            else
            {
                context.Response.Write("修改失败");
            }


        }




展示




 1   public void ProcessRequest(HttpContext context)
 2         {
 3             context.Response.ContentType = "text/html";
 4             int id;
 5             if (int.TryParse(context.Request.QueryString["id"], out id))
 6             {
 7                 BLL.UserInfoService UserInfoService = new BLL.UserInfoService();
 8                 UserInfo userInfo=UserInfoService.GetModel(id);
 9                 string filePath = context.Request.MapPath("ShowDetail.html");
10                 string fileContent = File.ReadAllText(filePath);
11                 fileContent = fileContent.Replace("$name", userInfo.UserName).Replace("$pwd",userInfo.UserPass);
12                 context.Response.Write(fileContent);
13             }
14         }






<table>
        <tr><td>用户名</td><td>$name</td></tr>
            <tr><td>密码</td><td>$pwd</td></tr>
    </table>




 
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