Daniel Hinton
2017-01-21 12:06
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <link rel="stylesheet" type="text/css" href="/UpDown/css/common.css"/> <script type="text/javascript" src="/UpDown/js/jquery-3.1.1.min.js"></script> <script type="text/javascript"> $(function(){ $(".thumbs a").click(function(){ var largePath = $(this).attr("href"); var largeAlt = $(this).attr("href"); var largeAlt = $(this).attr("title"); $("#largeImg").attr({ src:largePath, alt:largeAlt }); return false; }); }); function showPreview(obj){ var str = obj.value; document.getElementById("previewImg").innerHTML="<img src='"+str +"'/>"; } </script> </head> <body> <form action="<%=request.getContextPath()%>/myServlet/UpServlet" method="post" enctype="multipart/form-data"> 请选择图片:<input id="myfile" name="myfile" type="file" onchange="showPreview(this)"/> <input type="submit" value="提交"> <div id="previewImg"></div> </form> <hr> <h2>图片预览</h2> <p><img id="largeImg" src="/UpDown/images/group.jpg" alt="Large Image"/></p> <p class="thumbs"> <a href="/UpDown/images/im.jpg" title="Image2"><img src="/UpDown/images/im.jpg"></a> <a href="/UpDown/images/heye.jpg" title="Image3"><img src="/UpDown/images/heye.jpg"></a> <a href="/UpDown/images/group.jpg" title="Image4"><img src="/UpDown/images/group.jpg"></a> </p> </body> </html>
路径写错了:
如:
<link rel="stylesheet" type="text/css" href="/UpDown/css/common.css"/>
<script type="text/javascript" src="/UpDown/js/jquery-3.1.1.min.js"></script>
<a href="/UpDown/images/im.jpg" title="Image2"><img src="/UpDown/images/im.jpg"></a>
应该为:<link rel="stylesheet" type="text/css" href="css/common.css"/>
<script type="text/javascript" src="js/jquery-3.1.1.min.js"></script>
<a href="images/im.jpg" title="Image2"><img src="images/im.jpg"></a>
其他一样的改,,,
Java中的文件上传下载
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