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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>‘; } }
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原文地址:http://www.cnblogs.com/liuyanpeng/p/4691996.html