- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
- <html>
- <head>
- <title> New Document </title>
- <meta name="Generator" content="EditPlus">
- <meta name="Author" content="">
- <meta name="Keywords" content="">
- <meta name="Description" content="">
- <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" type="text/javascript"></script>
- <script language="JavaScript">
- <!--
- function downLoadImage(imagePathURL){
- //如果中间IFRAME不存在，则添加
- if(!document.getElementById("_SAVEASIMAGE_TEMP_FRAME"))
- jQuery('<iframe style="display:none;" id="_SAVEASIMAGE_TEMP_FRAME" name="_SAVEASIMAGE_TEMP_FRAME" onload="_doSaveAsImage();"
- width="0" height="0" src="about:blank"></iframe>').appendTo("body");
- if(document.all._SAVEASIMAGE_TEMP_FRAME.src!=imagePathURL){
- //图片地址发生变化，加载图片
- document.all._SAVEASIMAGE_TEMP_FRAME.src = imagePathURL;
- }else{
- //图片地址没有变化，直接另存为
- _doSaveAsImage();
- }
- }
- function _doSaveAsImage(){
- if(document.all._SAVEASIMAGE_TEMP_FRAME.src!="about:blank")
- document.frames("_SAVEASIMAGE_TEMP_FRAME").document.execCommand("SaveAs");
- }
- //-->
- </script>
- </head>
- <body>
- <input type="button" value="download image" onclick="downLoadImage('http://www.blogjava.net/images/blogjava_net/weiwei/46570/r_beyond1991.jpg');">
- </body>
- </html>