单击按钮打开图片另存为对话框的示例如下
复制代码 代码如下:
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" type="text/javascript"></script>
<script language="JavaScript"> <br><!-- <br>function downLoadImage(imagePathURL){ <br>//如果中间IFRAME不存在，则添加 <br>if(!document.getElementById("_SAVEASIMAGE_TEMP_FRAME")) <br>jQuery('<iframe style="display:none;" id="_SAVEASIMAGE_TEMP_FRAME" name="_SAVEASIMAGE_TEMP_FRAME" onload="_doSaveAsImage();" <br>width="0" height="0" src="about:blank">').appendTo("body"); <br>if(document.all._SAVEASIMAGE_TEMP_FRAME.src!=imagePathURL){ <br>//图片地址发生变化，加载图片 <br>document.all._SAVEASIMAGE_TEMP_FRAME.src = imagePathURL; <br>}else{ <br>//图片地址没有变化，直接另存为 <br>_doSaveAsImage(); <br>} <br>} <br>function _doSaveAsImage(){ <br>if(document.all._SAVEASIMAGE_TEMP_FRAME.src!="about:blank") <br>document.frames("_SAVEASIMAGE_TEMP_FRAME").document.execCommand("SaveAs"); <br>} <br>//--> <br></script>
