提交表单上传照片预览

项目名称：H_横店影视股份有限公司
访问地址：http://gz.gzwhir.com/hdysgf201708152001/zxtjl/index_29.aspx

具体效果：

上图是未上传状态

上图为传了照片之后

具体代码：
HTML：

<td rowspan="5" class="photo TD7" id="fileSelect">
          <div class="uploadbox">
              <input name="18240_0" id="18240_0" type="file" accept="image/*" class="uploadfile" onchange="domName='18240_0';loadImageFile();" />
           </div>
           <div id="imagePreview_18240_0" class="photo"></div>
            <span>点击上传照片</span>
 </td>

JS：

<script type="text/javascript">
     var loadImageFile = (function () {
         if (window.FileReader) {
             var oPreviewImg = null, oFReader = new window.FileReader(),
rFilter = /^(?:image\/bmp|image\/cis\-cod|image\/gif|image\/ief|image\/jpeg|image\/jpeg|image\/jpeg|image\/pipeg|image\/png|image\/svg\+xml|image\/tiff|image\/x\-cmu\-raster|image\/x\-cmx|image\/x\-icon|image\/x\-portable\-anymap|image\/x\-portable\-bitmap|image\/x\-portable\-graymap|image\/x\-portable\-pixmap|image\/x\-rgb|image\/x\-xbitmap|image\/x\-xpixmap|image\/x\-xwindowdump)$/i;

             oFReader.onload = function (oFREvent) {
                 var newPreview = document.getElementById("imagePreview_" + domName);
                 //newPreview.innerHTML = "";
                 oPreviewImg = new Image();
                 //oPreviewImg.style.width = (newPreview.offsetWidth).toString() + "px";
                 //oPreviewImg.style.height = (newPreview.offsetHeight).toString() + "px";
                 newPreview.appendChild(oPreviewImg);
                 oPreviewImg.src = oFREvent.target.result;
                 $("#fileSelect span").hide();  //图片预览之后隐藏文字
             };

             return function () {
                 var aFiles = document.getElementById(domName).files;
                 if (aFiles.length === 0) { return; }
                 if (!rFilter.test(aFiles[0].type)) { alert("You must select a valid image file!"); return; }
                 oFReader.readAsDataURL(aFiles[0]);
             }


         }
         if (navigator.appName === "Microsoft Internet Explorer") {
             return function () {
                 //alert(document.getElementById(domName).value);
                 document.getElementById("imagePreview_" + domName).filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = document.getElementById(domName).value;
                  $("#fileSelect span").hide();  //图片预览之后隐藏文字
             }
         }
     })();


   //点击表格模拟点击上传文件控件
   var fileSelect = document.getElementById("fileSelect"),
         fileElem = document.getElementById("18240_0");

   function myAddEvent(obj,ev,fn){
       if(obj.attachEvent){
                 obj.attachEvent("on" + ev,fn);
                }else{
                    obj.addEventListener(ev,fn,false);
                }
    }

myAddEvent( fileSelect, "click" , function (e) {
       if (fileElem) {
          fileElem.click();
       }
 });
</script>