Ajax implements data deletion and view details functions-JS Tutorial-php.cn

Home

Web Front-end

JS Tutorial

Ajax implements data deletion and view details functions

韦小宝

Jan 01, 2018 pm 06:26 PM

ajaxdeleteCheck

This article mainly introduces the functions of data deletion and viewing details through ajax, which is a good reference and value for learning ajax. Let’s follow the editor and take a look at this article about how ajax implements data deletion and view details functions.

Use bootstrap, jquery and ajax to display some data, add deletion functions and click to pop up the modal box details. Function

Main page main.php

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<link type="text/css" href="../FENGZHUANG/bootstrap/css/bootstrap.min.css" rel="external nofollow" rel="stylesheet" /> //引入bootstrap的css文件
<script src="../FENGZHUANG/jquery-3.1.1.min.js"></script> //先引入jquery的js文件
<script src="../FENGZHUANG/bootstrap/js/bootstrap.min.js"></script> //再引入其它的js文件
<style type="text/css">
.xq{ margin-left:30px}
</style>
</head>
<body>
<p class="page-header">
 <h1>显示数据
 </h1>
</p>
<table class="table table-hover">
 <thead>
 <tr>
 <th width="30%">代号</th>
 <th width="30%">名称</th>
 <th width="40%">操作</th>
 </tr>
 </thead>
 <tbody id="tb">
 //用js向其中添加内容
 </tbody>
</table>
<!-- 模态框（Modal） -->
<p class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
 <p class="modal-dialog">
 <p class="modal-content">
  <p class="modal-header">
  <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
  <h4 id="详细信息">详细信息</h4>
  </p>
  <p class="modal-body" id="nr">

  </p>
  <p class="modal-footer">

  <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>

  </p>
 </p><!-- /.modal-content -->
 </p><!-- /.modal -->
</p>
</body>
<script type="text/javascript">
//加载数据
Load();
//加载数据的方法
function Load()
{
$.ajax({
 url:"jiazai.php",
 dataType:"TEXT",
 success: function(data){
  var str = "";
  var hang = data.split("|"); //根据字符串中的|分解
  for(var i=0;i<hang.length;i++)
  {
   var lie = hang[i].split("^"); //根据字符串中的^分解
   str = str+"<tr><td>"+lie[0]+"</td><td>"+lie[1]+"</td><td><button type=&#39;button&#39; class=&#39;btn btn-info btn-sm sc&#39; code=&#39;"+lie[0]+"&#39;>删除</button><button type=&#39;button&#39; class=&#39;btn btn-primary btn-sm xq&#39; code=&#39;"+lie[0]+"&#39;>查看</button></td></tr>";
  }
  $("#tb").html(str); //向tbody中输出内容
  addshanchu();
  addxiangqing();
  }
 });
}
//给删除按钮加事件的方法
function addshanchu()
{
//删除事件
  $(".sc").click(function(){
   var code = $(this).attr("code"); //获取删除按钮所在的数据的code
   $.ajax({
   url:"shanchu.php",
   data:{code:code},
   dataType:"TEXT",
   type:"POST",
   success: function(d){
    if(d.trim()=="OK")
    {
    alert("删除成功");
    Load(); //删除完需要加载数据
    }
    else
    {
    alert("删除失败");
    }
   }
   });
   })
}
//给查看详情加事件的方法
function addxiangqing()
{
 $(".xq").click(function(){
 //显示模态框
 $(&#39;#myModal&#39;).modal(&#39;show&#39;);
 //在模态框里面显示内容
 var code = $(this).attr("code"); //获取哪一条数据
 $.ajax({
  url:"xiangqing.php",
  data:{code:code},
  dataType:"TEXT",
  type:"POST",
  success:function(data){
  var lie = data.split("^"); 
  var str = "<p>民族代号："+lie[0]+"</p><p>民族名称："+lie[1]+"</p>";
  $("#nr").html(str);
  }
 });
 })
}
</script>
</html>

Load data page jiazai.php

<?php
include("../FENGZHUANG/DBDA.class.php");
$db = new DBDA();
$sql = "select * from nation order by code ASC";
$arr = $db->Query($sql);
// 下面实现的字符串是类似这样的n001^汉族|n002^回族|n003^苗族
$str = "";返回主页面的数据是TEXT型，得转换一下
foreach($arr as $v)
{
 $str = $str.implode("^",$v)."|"; //拼接字符串
}
$str = substr($str,0,strlen($str)-1); //去掉末尾的|字符。
echo $str;

Delete processing page shanchu.php

<?php
include("../FENGZHUANG/DBDA.class.php");
$db = new DBDA();
$code = $_POST["code"];
$sql = "delete from nation where code=&#39;{$code}&#39;";
if($db->Query($sql,0))
{
 echo "OK";
}
else
{
 echo "NO";
}

View details page xiangqing.php

<?php
$code = $_POST["code"];
include("../fengzhuang/DBDA.class.php");
$db = new DBDA();
$sql = "select * from nation where code=&#39;{$code}&#39;";
echo $db->StrQuery($sql);

The above is all the content of this article, I hope it will be helpful to everyone’s learning! !

Related recommendations:

In-depth understanding of the XHR object in the first article of the ajax series

JSON data storage format for Ajax interaction with users

About multiple ajax request issues

The above is the detailed content of Ajax implements data deletion and view details functions. For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Python vs. JavaScript: The Learning Curve and Ease of UseApr 16, 2025 am 12:12 AM

Python is more suitable for beginners, with a smooth learning curve and concise syntax; JavaScript is suitable for front-end development, with a steep learning curve and flexible syntax. 1. Python syntax is intuitive and suitable for data science and back-end development. 2. JavaScript is flexible and widely used in front-end and server-side programming.

Python vs. JavaScript: Community, Libraries, and ResourcesApr 15, 2025 am 12:16 AM

Python and JavaScript have their own advantages and disadvantages in terms of community, libraries and resources. 1) The Python community is friendly and suitable for beginners, but the front-end development resources are not as rich as JavaScript. 2) Python is powerful in data science and machine learning libraries, while JavaScript is better in front-end development libraries and frameworks. 3) Both have rich learning resources, but Python is suitable for starting with official documents, while JavaScript is better with MDNWebDocs. The choice should be based on project needs and personal interests.

From C/C to JavaScript: How It All WorksApr 14, 2025 am 12:05 AM

The shift from C/C to JavaScript requires adapting to dynamic typing, garbage collection and asynchronous programming. 1) C/C is a statically typed language that requires manual memory management, while JavaScript is dynamically typed and garbage collection is automatically processed. 2) C/C needs to be compiled into machine code, while JavaScript is an interpreted language. 3) JavaScript introduces concepts such as closures, prototype chains and Promise, which enhances flexibility and asynchronous programming capabilities.

JavaScript Engines: Comparing ImplementationsApr 13, 2025 am 12:05 AM

Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.

Beyond the Browser: JavaScript in the Real WorldApr 12, 2025 am 12:06 AM

JavaScript's applications in the real world include server-side programming, mobile application development and Internet of Things control: 1. Server-side programming is realized through Node.js, suitable for high concurrent request processing. 2. Mobile application development is carried out through ReactNative and supports cross-platform deployment. 3. Used for IoT device control through Johnny-Five library, suitable for hardware interaction.

Building a Multi-Tenant SaaS Application with Next.js (Backend Integration)Apr 11, 2025 am 08:23 AM

I built a functional multi-tenant SaaS application (an EdTech app) with your everyday tech tool and you can do the same. First, what’s a multi-tenant SaaS application? Multi-tenant SaaS applications let you serve multiple customers from a sing

How to Build a Multi-Tenant SaaS Application with Next.js (Frontend Integration)Apr 11, 2025 am 08:22 AM

This article demonstrates frontend integration with a backend secured by Permit, building a functional EdTech SaaS application using Next.js. The frontend fetches user permissions to control UI visibility and ensures API requests adhere to role-base

JavaScript: Exploring the Versatility of a Web LanguageApr 11, 2025 am 12:01 AM

JavaScript is the core language of modern web development and is widely used for its diversity and flexibility. 1) Front-end development: build dynamic web pages and single-page applications through DOM operations and modern frameworks (such as React, Vue.js, Angular). 2) Server-side development: Node.js uses a non-blocking I/O model to handle high concurrency and real-time applications. 3) Mobile and desktop application development: cross-platform development is realized through ReactNative and Electron to improve development efficiency.

See all articles

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)

4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

R.E.P.O. Best Graphic Settings

4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Assassin's Creed Shadows: Seashell Riddle Solution

2 weeks agoByDDD

R.E.P.O. How to Fix Audio if You Can't Hear Anyone

4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

R.E.P.O. Chat Commands and How to Use Them

4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),