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又拍云异步上传实例教程详解 - 站长搜索
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又拍云异步上传实例教程详解

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">
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2016-04-26 17:20:08 转载来源: 网络整理/侵权必删

本篇内容主要为大家提供的是又拍云异步上传实例教程详解。感兴趣的同学可以参考学习下,具体内容如下: 这里有新鲜出炉的PHP面向对象教程,程序狗速度看过来! PHP开源脚本语言PHP(外文名: Hypertext Preprocessor,中文名:“超文本预处理器”)是一种通用开源脚本语言

本篇内容主要为大家提供的是又拍异步上传实例教程详解。感兴趣的同学可以参考学习下,具体内容如下:

这里有新鲜出炉的PHP面向对象教程,程序狗速度看过来!

PHP开源脚本语言

PHP(外文名: Hypertext Preprocessor,中文名:“超文本预处理器”)是一种通用开源脚本语言。语法吸收了C语言、Java和Perl的特点,入门门槛较低,易于学习,使用广泛,主要适用于Web开发领域。PHP的文件后缀名为php。

这篇文章主要介绍了又拍云异步上传实例教程详解的相关资料,需要的朋友可以参考下

网站静态文件存储在又拍云,之前上传是通过又拍云的的FORM API进行。

当产品经理歪着脑袋走向你的时候,哎呀呀,这用户信息这里,上传要无刷新的效果了。

 这他***,自己偷偷抱怨一会会,怎么搞喃?听说这家伙要一个好听的名字,异步上传,高大上档次挺像我的。

根据我们的观察,此处有两个重点:

①、怎么实现异步上传

②、怎么上传到又 拍 云

首先我们要实现异步上传,就需要利用js里面的FormData对象,据说,这家伙不支持ie6 7的,ie8就不太清楚了,据说哈,说错了不负责的。

不过喃,我们也不用考虑辣么多,前段时间都听说淘宝都要放弃ie6 7了,so 甭考虑辣么多了。ie6 7逮着ta估计都要骂ta小婊砸,竟然敢不支持我。

FormData是谁,这里就不多介绍了,可以自行百度。

我们先来看看view层怎么使用FormData这个小婊砸

<input type="file" accept="image/jpg,image/jpeg,image/png,image/gif" id="upload"> <input type="hidden" name="file">

如你所想,仅仅是一个input上传按钮和一个我们预留的准备接收图片地址的隐藏input

下面来看看JS是怎么愤怒的吧

<script type="text/javascript"> function($){ //上传 $("#upload").on("change", function () { //构造FormData对象并赋值 var formData = new FormData(); formData.append("policy", "//controller层传递过来upYun的policy配置"); formData.append("signature", "//controller层传递过来upyun的signature配置"); formData.append("file", $("#upload")[0].files[0]); $.ajax({ url : "//处理上传的后端程序地址", type : "POST", data : formData, processData : false, contentType : false, beforeSend: function () { //可以做一些正在上传的效果 }, success : function(data) { //data,我们这里是异步上传到后端程序所返回的图片地址 }, error : function(responseStr) { console.log(responseStr); } }); }); }($); </script>

到此,我们已经实现了异步上传的前端代码,包括又拍云所需要的参数policy和signature

剩下的实现上传到又拍云就简单了,可以参考

https://github.com/upyun/php-sdk 进行处理

标签: 又拍 异步 上传 实例 教程 详解


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