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  • FileUpload浏览图片之后显示浏览的图片

    FileUpload浏览图片之后显示浏览的图片  

    2010-10-08 10:04:17|  分类: Asp.net |字号 订阅

     http://blog.csdn.net/fishguo224/article/details/6336195

    <img id="imgAtt" src="nullImg.gif" border="0" runat="server" style="height:250px; 300px;" /></br><asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="File1" ValidationGroup="ValAtt"
                            ErrorMessage="只能上传图片格式" ValidationExpression="^.*?\.(jpg|jpeg|bmp|gif|JPG|GIF|png|PNG|BMP|ico|)$"
                            ></asp:RegularExpressionValidator></br>
                <input type="file" id="File1" name="File1" runat="server" style="border: 1px solid #333333; background-color: #999999; 280px" onchange="ChangeImg()"  />

    <script type="text/javascript">
            function ChangeImg() {
                var obj = document.getElementById("<%= imgAtt.ClientID %>");
                var img = document.getElementById("<%=File1.ClientID %>");
                var tmp = img.value.substr(0, img.value.indexOf(":") + 1);
                var url = img.value.replace(tmp, "file://");
                obj.src = url;

            }

        </script>

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  • 原文地址:https://www.cnblogs.com/tabcdt/p/2821412.html
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