This article mainly introduces the detailed use of jQuery Plupload upload plug-in. Friends who need it can refer to it.
Because Plupload has many configurable parameters, the most commonly used ones are explained here, combined with jquery-ui. interface! As follows:
Plupload supports html5, flash, silverlight, and html4 by default. Four upload methods are loaded in order. If the browser does not support html5, flash will be selected.. .At the end of html4, if you don’t need a certain upload method, just don’t write it in the configuration!
Directly upload the code
<body> <p id="uploader"> <p>Your browser doesn't have Flash, Silverlight or HTML5 support.</p> </p> <script type="text/javascript"> $(function(){ $("#uploader").plupload({ runtimes: 'html5,flash,silverlight,html4',//这里可以不写,plupload默认支持 url: "UploadPhotoServlet",//上传后台请求路径 max_file_size: '1000mb',//用来限制单个文件大小的 multi_selection: true,//默认支持多文件上传,false不支持 chunk_size: '0',//是否将上传文件进行分片,0代表是不分 /*resize配置是对图片的处理 可以使用该参数对将要上传的图片进行压缩,该参数是一个对象,里面包括5个属性:width:指定压缩后图片的宽度,如果没有设置该属性则默认为原始图片的宽度 height:指定压缩后图片的高度,如果没有设置该属性则默认为原始图片的高度 crop:是否裁剪图片 quality:压缩后图片的质量,只对jpg格式的图片有效,默认为90。quality可以跟width和height一起使用,但也可以单独使用,单独使用时,压缩后图片的宽高不会变化,但由于质量降低了,所以体积也会变小 preserve_headers:压缩后是否保留图片的元数据,true为保留,false为不保留,默认为true。删除图片的元数据能使图片的体积减小一点点 resize参数的配置示例如下: */ /* resize : { width: 200, height: 200, quality: 90, crop: true }, */ /* rename: true, *///允许多队列文件进行重命名 /* sortable: true,*/ //启用队列中的文件排序功能,更改上传优先级 /*dragdrop: true, */ //开启拖拽上传,默认true /* 下面是展示右边的缩略图和列表 两个功能 默认显示缩略图 */ views: { list: true, thumbs: true, // Show thumbs active: 'thumbs' }, /* flash 和 xap 上传需要的文件 */ flash_swf_url : 'plupload/js/Moxie.swf', silverlight_xap_url : 'plupload/js/Moxie.xap' }); }) </script> </body>
There is such a sentence in the official document
## In other words, UI.Plupload requires jquery-ui Support, I chose this
The complete import file is
<head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <script type="text/javascript" src="plupload/js/jquery.js"></script> <script type="text/javascript" src="plupload/js/jqueryui/jquery-ui.min.js"></script> <link rel="stylesheet" href="plupload/js/jqueryui/jquery-ui.min.css" rel="external nofollow" /> <script type="text/javascript" src="plupload/js/plupload.full.min.js"></script> <script type="text/javascript" src="plupload/js/jquery.ui.plupload/jquery.ui.plupload.min.js"></script> <script type="text/javascript" src="plupload/js/i18n/zh_CN.js"></script> <link rel="stylesheet" type="text/css" href="plupload/js/jquery.ui.plupload/css/jquery.ui.plupload.css" rel="external nofollow" /> <title>plupload</title> </head>
##Frequently Asked Questions:
1. If you find that when you click the Select File button, the pop-up file box is very slow, then just remove the filter file code! Depending on the specific situation, you can use this parameter to limit the type, size, etc. of uploaded files. This parameter is passed in in the form of an object. It includes three attributes: mime_types: used to limit uploaded files. The type is an array, and each element of the array is an object. The object has two attributes: title and extensions. Title is the name of the filter, and extensions is the file extension. If there are multiple ones, separate them with commas. This property defaults to an empty array, that is, there is no limit. max_file_size: used to limit the size of the uploaded file. If the file size exceeds this value, it cannot be selected. The value can be a number, the unit is b, or it can be a string, consisting of a number and a unit, such as '200kb'
prevent_duplicates: whether to allow the selection of duplicate files, when true, it means that it is not allowed. When false, it means allowed, and the default is false. If the file name and size of the two files are the same, they will be considered as duplicate files
2. If the background uses the file domain name to receive the file, and additional parameters are appended
Two additional parameters need to be set
filters: { mime_types : [ //只允许上传图片和zip文件 { title : "Image files", extensions : "jpg,gif,png" }, { title : "Zip files", extensions : "zip" } ], max_file_size : '400kb', //最大只能上传400kb的文件 prevent_duplicates : true //不允许选取重复文件 }3. When integrating with easyui, extjs and other UI libraries, the file that introduces Plupload must be before the introduction file of easyui, otherwise There will be some inexplicable errors in easyui!
ok, the use of Plupload is basically completed here.
The above is the detailed content of A basic introduction to the jQuery Plupload upload plug-in. For more information, please follow other related articles on the PHP Chinese website!

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修改方法:1、用css()设置新样式,语法“$(元素).css("min-height","新值")”;2、用attr(),通过设置style属性来添加新样式,语法“$(元素).attr("style","min-height:新值")”。

区别:1、axios是一个异步请求框架,用于封装底层的XMLHttpRequest,而jquery是一个JavaScript库,只是顺便封装了dom操作;2、axios是基于承诺对象的,可以用承诺对象中的方法,而jquery不基于承诺对象。

增加元素的方法:1、用append(),语法“$("body").append(新元素)”,可向body内部的末尾处增加元素;2、用prepend(),语法“$("body").prepend(新元素)”,可向body内部的开始处增加元素。

在jquery中,apply()方法用于改变this指向,使用另一个对象替换当前对象,是应用某一对象的一个方法,语法为“apply(thisobj,[argarray])”;参数argarray表示的是以数组的形式进行传递。

删除方法:1、用empty(),语法“$("div").empty();”,可删除所有子节点和内容;2、用children()和remove(),语法“$("div").children().remove();”,只删除子元素,不删除内容。

去掉方法:1、用“$(selector).removeAttr("readonly")”语句删除readonly属性;2、用“$(selector).attr("readonly",false)”将readonly属性的值设置为false。

on()方法有4个参数:1、第一个参数不可省略,规定要从被选元素添加的一个或多个事件或命名空间;2、第二个参数可省略,规定元素的事件处理程序;3、第三个参数可省略,规定传递到函数的额外数据;4、第四个参数可省略,规定当事件发生时运行的函数。


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