图片预览编辑

来源: http://odyniec.net/projects/imgareaselect/
Quick Usage Instructions

Download the plugin, unzip it, and copy the JavaScript and CSS files to your website/application directory. Load the files in the <head> section of your HTML document.

<head>
  ...
  <link rel="stylesheet" type="text/css" href="css/imgareaselect-default.css" />
  <script type="text/javascript" src="scripts/jquery.min.js"></script>
  <script type="text/javascript" src="scripts/jquery.imgareaselect.pack.js"></script>
  ...
</head>
Then, to enable selection on an image, wrap it in a jQuery object and call the imgAreaSelect() method:

<script type="text/javascript">
$(document).ready(function () {
    $('img#photo').imgAreaSelect({
        handles: true,
        onSelectEnd: someFunction
    });
});
</script>

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