- <style type="text/css">
- #preview /*这个就是预览的DIV的ID*/
- {
- filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);
- }
- </style>
- <script type="text/javascript">
- <!--
- function preview(img,width,height){
- var newPreview = document.getElementById("preview");
- var url = img.value;
- var fileext=url.substring(url.lastIndexOf("."),url.length);
- fileextfileext=fileext.toLowerCase();
- if((fileext!='.jpg')&&(fileext!='.gif')&&(fileext!='.jpeg')&&(fileext!='.png')&&(fileext!='.bmp')){
- alert("对不起,系统仅支持标准格式的照片,请您调整格式后重新上传!");
- document.applyForm.upload.focus();
- document.getElementById("sub").disabled=true;
- }else{
- document.getElementById("sub").disabled=false;
- newPreview.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = url;
- newPreview.style.width = width+"px";
- newPreview.style.height = height+"px";
- }
- }
- //-->
- </script>
- <input type="file" name="upload" onchange="preview(this,300,200)" />
- <div id="preview"></div><br/>
- <input type="submit" value="提交" id="sub" disabled="true"/>