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Detailed explanation of the steps to dynamically generate Table using JQuery+Ajax

php中世界最好的语言Original: 2018-04-24 11:57:001990browse

This time I will bring you JQuery A detailed explanation of the steps to dynamically generate a Table with Ajax. What are the precautions for JQuery Ajax to dynamically generate a Table? The following is a practical case, let’s take a look.

Foreword:

The approximate function of this example is to call the general handler (Handler) through JQuery's Ajax at the front end to obtain the information that table needs to be displayed , and then convert it into json format and return it to the front desk. After the front desk obtains the data, it loops to build the rows of the table. It is best to append the rows to the table.

Objectives:

a Be familiar with the use of simple JQuery Ajax

b Understand how to construct basic Json format data (Json can also be constructed through Third party dll)

c Get familiar with the basic usage of handler

1 Simple rendering

2 Front desk code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DialogAjax.aspx.cs" Inherits="JQueryTest_DialogAjax" %>
<!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>
  <link href="../JQueryUi/jquery-ui-1.8.5.custom.css" rel="stylesheet" type="text/css" />
  <script src="../JQueryUi/jquery-1.4.2.min.js" type="text/javascript"></script>
  <script src="../JQueryUi/jquery-ui-1.8.5.custom.min.js" type="text/javascript"></script>
  <style type="text/css">
    #pTb
    {
      width:800px;
      border:1px solid #aaa;
      margin:0 auto;
    }
    .even{background:#CCCCCC;}
    .odd{background:#FFFFFF;}
  </style>
  <script type="text/javascript">
    //获取发布模块类型
    function getModuleInfo() {
      $.ajax({
        type: "GET",
        dataType: "json",
        url: "../Handler/TestHandler.ashx?Method=GetModuleInfo",
        //data: { id: id, name: name },
        success: function(json) {
          var typeData = json.Module;
          $.each(typeData, function(i, n) {
            var tbBody = ""
            var trColor;
            if (i % 2 == 0) {
              trColor = "even";
            }
            else {
              trColor = "odd";
            }
            tbBody += "<tr class=&#39;" + trColor + "&#39;><td>" + n.ModuleNum + "</td>" + "<td>" + n.ModuleName + "</td>" + "<td>" + n.ModuleDes + "</td></tr>";
            $("#myTb").append(tbBody);
          });
        },
        error: function(json) {
          alert("加载失败");
        }
      });
    }
    $(function() {
      getModuleInfo();
    });
  </script>
</head>
<body>
  <form id="form1" runat="server">
  <p id="pTb">
    <table id="myTb" style=" width:100%">
    </table>
  </p>
  </form>
</body>
</html>

3 Handler code

<%@ WebHandler Language="C#" Class="TestHandler" %>
using System;
using System.Web;
using System.Collections.Generic;
using System.Text;
using DataDAL;
using DataEnity;
public class TestHandler : IHttpHandler {
  HttpRequest Request;
  HttpResponse Response;
  public void ProcessRequest (HttpContext context) {
    //不让浏览器缓存
    context.Response.Buffer = true;
    context.Response.ExpiresAbsolute = DateTime.Now.AddDays(-1);
    context.Response.AddHeader("pragma", "no-cache");
    context.Response.AddHeader("cache-control", "");
    context.Response.CacheControl = "no-cache";
    context.Response.ContentType = "text/plain";
    Request = context.Request;
    Response = context.Response;
    string method = Request["Method"].ToString();
    System.Reflection.MethodInfo methodInfo = this.GetType().GetMethod(method);
    methodInfo.Invoke(this, null);
  }
  public void GetModuleInfo()
  {
    StringBuilder sb = new StringBuilder();
    string jsonData = string.Empty;
    List<Module> lsModule = ModuleDAL.GetModuleList();
    sb.Append("{\"Module\":[");
    for (int i = 0; i < lsModule.Count; i++)
    {
      jsonData = "{\"ModuleNum\":" + "\"" + lsModule[i].ModuleNum + "\"" + ",\"ModuleName\":" + "\"" + lsModule[i].ModuleName + "\"" + ",\"ModuleDes\":" + "\"" + lsModule[i].ModuleDes + "\"" + "},";
      sb.Append(jsonData);
    }
    if (lsModule.Count > 0)
      sb = sb.Remove(sb.Length - 1, 1);
    sb.Append("]}");
    Response.Write(sb);
  }
  public bool IsReusable
  {
    get {
      return false;
    }
  }
}

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other php Chinese websites related articles!

Detailed explanation of the steps to dynamically generate Table using JQuery+Ajax

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