从网上找来Ext.ux.UploadDialog上传文件的例子，但是上传文件后页面显示“上传失败”，而且上传中文文件会出现文件名乱码的现象。请各位大侠帮忙解决一下。谢谢了。 <html>
<head>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<link rel="stylesheet" type="text/css" href="ext-2.2/resources/css/ext-all.css" />
<link rel="stylesheet" type="text/css" href="UploadDialog/css/Ext.ux.UploadDialog.css" />
<script type="text/javascript" src="ext-2.2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-2.2/ext-all.js"></script
<script type="text/javascript" src="UploadDialog/Ext.ux.UploadDialog.packed.js"></script>
<script>
Ext.onReady(function() {
var dialog = new Ext.ux.UploadDialog.Dialog({
autoCreate: true,
closable: true,
collapsible: false,
draggable: true,
minWidth: 400,
minHeight: 200,
width: 400,
height: 350,
permitted_extensions:['JPG','jpg','jpeg','JPEG','GIF','gif','pdf','txt','jar'],
proxyDrag: true,
resizable: true,
constraintoviewport: true,
title: "文件上传",
url: 'uploadJSPBack.jsp',
reset_on_hide: false,
allow_close_on_upload: true
});
dialog.show('show-button');
});
</script>
</head>
<body>
</body>
</html>uploadJSPBack.jsp
<%@ page language="java" import="java.util.*,java.io.*,org.apache.commons.fileupload.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'uploadJSPBack.jsp' starting page</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<%
response.setCharacterEncoding("utf-8");
String uploadPath = "d:\\upload\\";
String tempPath = "d:\\";
try {
System.out.println("开始进行文件上传");
DiskFileUpload fu = new DiskFileUpload();
fu.setSizeMax(4194304); // 设置最大文件尺寸，这里是4MB
fu.setSizeThreshold(4096); // 设置缓冲区大小，这里是4kb
fu.setRepositoryPath(tempPath); // 设置临时目录
List fileItems = fu.parseRequest(request); // 得到所有的文件：
Iterator i = fileItems.iterator();
// 依次处理每一个文件：
while (i.hasNext()) {
FileItem fi = (FileItem)i.next();
String fileName = fi.getName();// 获得文件名，这个文件名包括路径：
System.out.println("name==="+fileName);
if (fileName != null) {
// 在这里可以记录用户和文件信息
// 此处可以定义一个接口（CallBack），用于处理后事。
// 写入文件a.txt，你也可以从fileName中提取文件名：
String name = fileName.substring(0,fileName.indexOf("."));
System.out.println("name==="+name);
String extfile = fileName.substring(fileName.indexOf("."));
//上传时间作为文件名，用以防止重复上传
//Timestamp now = new Timestamp((new java.util.Date()).getTime());
// SimpleDateFormat fmt = new SimpleDateFormat("yyyyMMddHHmmssSSS");
// String pfileName= fmt.format(now).toString().trim();
System.out.println(uploadPath+name+extfile);
fi.write(new File(uploadPath + name + extfile));
}
} System.out.println("上传成功");
response.setContentType("text/html;charset=utf-8");
response.getWriter().print("{success:true,message:'上传成功'}");
// 跳转到上传成功提示页面
} catch (Exception e) {
e.printStackTrace();
response.getWriter().print("{success:flase,message:'False'}");
// 可以跳转出错页面
}
%>
</head>
<body>
This is my JSP page. <br>
</body>
</html>
<head>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<link rel="stylesheet" type="text/css" href="ext-2.2/resources/css/ext-all.css" />
<link rel="stylesheet" type="text/css" href="UploadDialog/css/Ext.ux.UploadDialog.css" />
<script type="text/javascript" src="ext-2.2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-2.2/ext-all.js"></script
<script type="text/javascript" src="UploadDialog/Ext.ux.UploadDialog.packed.js"></script>
<script>
Ext.onReady(function() {
var dialog = new Ext.ux.UploadDialog.Dialog({
autoCreate: true,
closable: true,
collapsible: false,
draggable: true,
minWidth: 400,
minHeight: 200,
width: 400,
height: 350,
permitted_extensions:['JPG','jpg','jpeg','JPEG','GIF','gif','pdf','txt','jar'],
proxyDrag: true,
resizable: true,
constraintoviewport: true,
title: "文件上传",
url: 'uploadJSPBack.jsp',
reset_on_hide: false,
allow_close_on_upload: true
});
dialog.show('show-button');
});
</script>
</head>
<body>
</body>
</html>uploadJSPBack.jsp
<%@ page language="java" import="java.util.*,java.io.*,org.apache.commons.fileupload.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'uploadJSPBack.jsp' starting page</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<%
response.setCharacterEncoding("utf-8");
String uploadPath = "d:\\upload\\";
String tempPath = "d:\\";
try {
System.out.println("开始进行文件上传");
DiskFileUpload fu = new DiskFileUpload();
fu.setSizeMax(4194304); // 设置最大文件尺寸，这里是4MB
fu.setSizeThreshold(4096); // 设置缓冲区大小，这里是4kb
fu.setRepositoryPath(tempPath); // 设置临时目录
List fileItems = fu.parseRequest(request); // 得到所有的文件：
Iterator i = fileItems.iterator();
// 依次处理每一个文件：
while (i.hasNext()) {
FileItem fi = (FileItem)i.next();
String fileName = fi.getName();// 获得文件名，这个文件名包括路径：
System.out.println("name==="+fileName);
if (fileName != null) {
// 在这里可以记录用户和文件信息
// 此处可以定义一个接口（CallBack），用于处理后事。
// 写入文件a.txt，你也可以从fileName中提取文件名：
String name = fileName.substring(0,fileName.indexOf("."));
System.out.println("name==="+name);
String extfile = fileName.substring(fileName.indexOf("."));
//上传时间作为文件名，用以防止重复上传
//Timestamp now = new Timestamp((new java.util.Date()).getTime());
// SimpleDateFormat fmt = new SimpleDateFormat("yyyyMMddHHmmssSSS");
// String pfileName= fmt.format(now).toString().trim();
System.out.println(uploadPath+name+extfile);
fi.write(new File(uploadPath + name + extfile));
}
} System.out.println("上传成功");
response.setContentType("text/html;charset=utf-8");
response.getWriter().print("{success:true,message:'上传成功'}");
// 跳转到上传成功提示页面
} catch (Exception e) {
e.printStackTrace();
response.getWriter().print("{success:flase,message:'False'}");
// 可以跳转出错页面
}
%>
</head>
<body>
This is my JSP page. <br>
</body>
</html>
我觉得应该是 JSON 返回值的问题。