PHP+Ajax+JS实现多图上传,ajax多图
PHP+Ajax+JS实现多图上传,ajax多图
本文实例在wap站项目中需要做一个ajax多图片上传,结合js插件做了一个,供大家参考,具体内容如下
/* ajax 上传图片 */ var num = 0; // 点击删除图片 function onDelete(num){ if($("#"+num).attr('src')!="__PUBLIC__/Home/images/jiazai.gif" && $("#"+num).attr('src')!=""){ if(confirm("确认删除吗")){ $("#a"+num).remove(); }else{ // } } } $(function(){ $("#file0").bind("change",function(){ clickUpload(num); }); function clickUpload(num){ var imgObject = document.getElementById('file0'); // 文件对象 $("#yulan").append("<a id='a"+num+"' onclick='onDelete("+num+")' href='javascript:;'> <img id='"+num+"' style="max-width:90%" style="max-width:90%" src='__PUBLIC__/Home/images/jiazai.gif'/ alt="PHP+Ajax+JS实现多图上传,ajax多图" ></a>"); // $("#yulan").append("<li id='a"+num+"' ><img id='"+num+"' src='__PUBLIC__/Home/images/jiazai.gif' / alt="PHP+Ajax+JS实现多图上传,ajax多图" ><a href='javascript:;' onclick='onDelete("+num+")'>删除</a></li>"); var getImageSrc = getFullPath(imgObject); // 本地路径 // 实例化image对象 var pos = getImageSrc.lastIndexOf("."); var lastname = getImageSrc.substring(pos, getImageSrc.length) // 图片后缀 if(lastname!=".jpg" && lastname!=".png" && lastname!=".jpeg" && lastname!='.gif'){ $("#a"+num).remove(); alert("请选择一张图片"); }else{ ajaxFileUpload(num); $("#file0").unbind("change").bind("change",function(){ clickUpload(num); }); } num++; } function getFullPath(obj) { //得到图片的完整路径 if (obj) { if (window.navigator.userAgent.indexOf("MSIE") >= 1) { obj.select(); return document.selection.createRange().text; }else if (window.navigator.userAgent.indexOf("Firefox") >= 1) { if (obj.files) { return obj.files.item(0).getAsDataURL(); } return obj.value; } return obj.value; } } function ajaxFileUpload(num) { $.ajaxFileUpload ( { url: 'http://xxxx/updateImg', //用于文件上传的服务器端请求地址 secureuri: false, //是否需要安全协议,一般设置为false fileElementId: 'file0', //文件上传域的ID dataType: 'json', //返回值类型 一般设置为json success: function (data) //服务器成功响应处理函数 { var jsonText = data; console.log(jsonText); if(jsonText['status']==1){ if(jsonText['info']!=""){ console.log(jsonText['info']); $("#"+num).attr("src","__PUBLIC__//Admin/Upload/"+jsonText['info']); var images = $("#img").val(); if(images!=""){ $("#img").val(images+","+jsonText['info']); }else{ $("#img").val(images+""+jsonText['info']); } } }else{ $("#a"+num).remove(); // alert("图片上传失败"); } }, error: function (data,e)//服务器响应失败处理函数 { alert(e); } } ) } });
以上就是本文的全部内容,希望对大家学习php程序设计有所帮助。

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

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an

Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.

A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total

What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7
