FileUpload控件预览图片
HTML代码:
<tr> <td class="auto-style1">上传图片:</td> <td> <asp:FileUpload ID="FileUpload1" runat="server" onchange="chgImg(this)"/> <div> <img src="" id="Photo" runat="server" style="max-height:80px"/> <div> <div id="preview"></div> <p>图片路径:<asp:Label ID="lalimageUrl" runat="server" Text=""></asp:Label></p> </td> </tr>
JS 代码:
function chgImg(file){ //img控件预览图片 var FileUpload1=$("#FileUpload1").val(); $("#Photo").attr("src","file:///" +FileUpload1); //div预览图片(兼容模式) var prevDiv=document.getElementById('preview'); if(file.files && file.files[0]){ var reader=new FileReader(); reader.onload=function(evt){ prevDiv.innerHTML='<img src="'+evt.target.result+'" style="max-height:80px"/>'; } reader.readAsDataURL(file.files[0]); } else { prevDiv.innerHTML='<div class ="img" style="max-height:80px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src=\''+file.value+'\')"></div>'; } }