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Jquery local upload preview extension (hidden upload control click Image Upload supports ie !!), Jquery Image Upload

Source: Internet
Author: User
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Jquery local upload preview extension (hidden upload control click Image Upload supports ie !!), Jquery Image Upload

Address of raw material I use: http://www.cnblogs.com/leejersey/p/3660202.html

After modification:

/// <Reference path = "../Js/jquery-1.7.2.min.js"/>/** usage :!!!!!!!! Put input above the image <div> <input type = "file" id = "up"/>  </div> set a div out of the IMG tag to be previewed, and give the upload Control id uploadPreview, call CheckInito, and click the image. $ ("# up "). uploadPreview ({Img: "ImgPr", Width: 120, Height: 120, ImgType: ["gif", "jpeg", "jpg", "bmp ", "png"], Callback: function (){}}). checkInito (); var p = $ ("fff "). uploadPreview ({}); p. checkFile () // The "SELECT file" dialog box pops up immediately. The ie option is not suitable */$. fn. exten D ({uploadPreview: function (opts) {var _ self = this, _ this = $ (this); opts = jQuery. extend ({Img: "ImgPr", Width: 100, Height: 100, ImgType: ["gif", "jpeg", "jpg", "bmp ", "png"], Callback: function () {}}, opts ||{}); _ self. getObjectURL = function (file) {var url = null; if (window. createObjectURL! = Undefined) {url = window. createObjectURL (file)} else if (window. URL! = Undefined) {url = window. URL. createObjectURL (file)} else if (window. webkitURL! = Undefined) {url = window. webkitURL. createObjectURL (file)} return url}; _ this. change (function () {if (this. value) {if (! RegExp ("\. ("+ opts. imgType. join ("|") + ") $", "I "). test (this. value. toLowerCase () {alert ("file selection error, image type must be" + opts. imgType. join (",") + "); this. value = ""; return false} var ie = navigator. appName = "Microsoft Internet Explorer "? True: false; if (ie) {try {$ ("#" + opts. img ). attr ('src', _ self. getObjectURL (this. files [0])} catch (e) {var src = ""; var obj = $ ("#" + opts. img); var div = obj. parent ("div") [0]; _ self. select (); if (top! = Self) {your own parent.doc ument. body. focus ()} else {_ self. blur ()} src = document. selection. createRange (). text; document. selection. empty (); obj. hide (); obj. parent ("div" ).css ({'filter': 'progid: DXImageTransform. microsoft. alphaImageLoader (sizingMethod = scale) ', 'width': opts. width + 'px ', 'height': opts. height + 'px '}); div. filters. item ("DXImageTransform. microsoft. alphaImageLoader "). src = src }} Else {$ ("#" + opts. img ). attr ('src', _ self. getObjectURL (this. files [0])} opts. callback ()}) return {/* ie is not applicable! */CheckFile: function CheckFile () {var ie = navigator. appName = "Microsoft Internet Explorer "? True: false; if (ie) {_ this [0]. click ();} else {var mouseobj = document. createEvent ("MouseEvents"); mouseobj. initEvent ("click", true, true); _ this [0]. dispatchEvent (mouseobj);} return _ self;}, // compatible with ie 8 CheckInito: function () {var ie = navigator. appName = "Microsoft Internet Explorer "? True: false; _this.css ("position", "absolute"); _this.parent().css ("width", opts. width + "px"); _this.parent().css ("height", opts. height + "px"); if (ie) {// width: 67.5px; height: 37.4px; padding-right: 5px; position: absolute; opacity: 1; _this.css ("width", opts. width + "px"); _this.css ("height", opts. height + "px"); _this.css ("font-size", "200px"); _this.css ("overflow", "hidden");} else {_this.css ("left ", "0px"); _this.css ("top", "0px"); _this.css ("width", opts. width + "px"); _this.css ("height", opts. height + "px") ;}_this.css ("opacity", "0"); return _ self ;}};}});

Call instance:

 

<!DOCTYPE html>

Final


Ie:




 


Firefox:




 


Google:


 




 


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Related Keywords:
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