jquery image upload Preview plugin code

Last Update:2017-01-13 Source: Internet

Author: User

Tags extend

Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

<!doctype HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/ Xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 "/>
<title>jquery image Upload </title>
<script language= "Web Effects" >
Preview image
(function ($) {
$.fn.previewimage = function (options) {
var default = {
Imageclientid: "",
MAXWIDTH:300,
maxheight:300
};
$.extend (True, default, options);
Return This.each (function () {
if (Default.imageclientid!= "") {
$ (this). Unbind ("Change");
$ (this). Change (function () {
if ($ (this). val () = "") {
$ ("#" + Default.imageclientid). Parent ("div"). Hide ();
Return
}
else {
$ ("#" + Default.imageclientid). Parent ("Div"). Show ();
}
if ($.browser.msie) {
$ ("#" + Default.imageclientid). attr ("src", $ (this). Val ());
}
else {
$ ("#" + Default.imageclientid). attr ("src", $ (this) [0].files[0].getasdataurl ());
}
if ($.browser.msie && $.browser.version > 6) {
$ ("#" + Default.imageclientid). Hide ();
$ ("#" + Default.imageclientid). Parent ("div"). CSS tutorial ({' Z-index ': ' 999 ',
' Filter ': ' Progid:dximagetransform.microsoft.alphaimageloader (Sizingmethod=scale) ',
' Max-width ': Default.maxwidth + ' px ', ' max-height ': Default.maxheight + ' px ',
' Width ': default.maxwidth + ' px ', ' height ': default.maxheight + ' px '
});
var div = $ ("#" + Default.imageclientid). Parent ("div") [0];
Div.filters.item ("Dximagetransform.microsoft.alphaimageloader"). src = $ ("#" + Default.imageclientid). attr ("src");
}
});

$ ("#" + Default.imageclientid). Load (function () {
var image = new Image ();
IMAGE.SRC = $ (this). attr ("src");
$ (this). attr ("width", default.maxwidth);
$ (this). attr ("height", default.maxheight);
$ (this). attr ("alt", Default.maxwidth + "x" + default.maxheight);
});
}
});
};
}) (jquery);

</script>

<body>
<asp Tutorial: FileUpload id= "fileupload_1" runat= "Server"/>

$ ("#<%=fileupload_1.clientid%>"). Previewimage ({imageclientid: "Uploadimage", MaxWidth: "425", MaxHeight: "200 " });
</body>

Picture Upload Preview Plugin Two

Preview image
(function ($) {
$.fn.previewimage = function (options) {
var default = {
Imageclientid: "",
MAXWIDTH:300,
maxheight:300
};
$.extend (True, default, options);
Return This.each (function () {
if (Default.imageclientid!= "") {
$ (this). Unbind ("Change");
$ (this). Change (function () {
if ($ (this). val () = "") {
$ ("#" + Default.imageclientid). Parent ("div"). Hide ();
Return
}
else {
$ ("#" + Default.imageclientid). Parent ("Div"). Show ();
}
if ($.browser.msie) {
$ ("#" + Default.imageclientid). attr ("src", $ (this). Val ());
}
else {
$ ("#" + Default.imageclientid). attr ("src", $ (this) [0].files[0].getasdataurl ());
}
if ($.browser.msie && $.browser.version > 6) {
$ ("#" + Default.imageclientid). Hide ();
$ ("#" + Default.imageclientid). Parent ("div"). css ({' Z-index ': ' 999 ',
' Filter ': ' Progid:dximagetransform.microsoft.alphaimageloader (Sizingmethod=scale) ',
' Max-width ': Default.maxwidth + ' px ', ' max-height ': Default.maxheight + ' px ',
' Width ': default.maxwidth + ' px ', ' height ': default.maxheight + ' px '
});
var div = $ ("#" + Default.imageclientid). Parent ("div") [0];
Div.filters.item ("Dximagetransform.microsoft.alphaimageloader"). src = $ ("#" + Default.imageclientid). attr ("src");
}
});

$ ("#" + Default.imageclientid). Load (function () {
var image = new Image ();
IMAGE.SRC = $ (this). attr ("src");
$ (this). attr ("width", default.maxwidth);
$ (this). attr ("height", default.maxheight);
$ (this). attr ("alt", Default.maxwidth + "x" + default.maxheight);
});
}
});
};
}) (jquery);

Use a div outside the IMG (compatible IE7,IE8, for filter dximagetransform.microsoft.alphaimageloader)
For example:
Control

: <asp:fileupload id= "FileUpload1" runat= "server"/>
                     <br/>
                     <div Style= "Display:none;" >
                         </div>
jquery Code: $ (document). Ready (function () {
            $ ("#<%= Fileupload1.clientid%> "). Previewimage ({imageclientid:" Uploadimage ", MaxWidth:" $ ", MaxHeight:" 500 "});
       });

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

Sales Support

1 on 1 presale consultation

Chat Contact Sales
After-Sales Support

24/7 Technical Support 6 Free Tickets per Quarter Faster Response

Open a Ticket
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

Learn More