Struts2 + ajaxFileUpload 异步上传文件
ajaxFileUpload下载地址http://www.phpletter.com/Our-Projects/AjaxFileUpload/
jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<!DOCTYPE html>
<head>
<title>MyWebProject</title>
<meta charset="utf-8" />
<link type="text/css" href="${pageContext.request.contextPath}/jsnew/ajaxfileupload.css" rel="stylesheet" />
<script type="text/javascript" src="${pageContext.request.contextPath}/jsnew/jquery.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/jsnew/ajaxfileupload.js"></script>
<script type="text/javascript">
function ajaxFileUpload() {
$.ajaxFileUpload({
url : "${pageContext.request.contextPath}/space/quicklogin/fileUpload.html", //submit to UploadFileServlet
secureuri : false,
fileElementId : "file", //input file 的id
dataType : "text", //or json xml whatever you like~
success : function(data, status) {
$("#result").append(data);
},
error : function(data, status, e) {
$("#result").append(data);
}
});
return false;
}
</script>
</head>
<body>
<input id="file" type="file" size="45" name="file" class="input"/><br/>
<button class="button" id="buttonUpload" onclick="return ajaxFileUpload();">Upload</button>
<div id="result"></div>
</body>
</html>
</html>action
public class uploadAction extends BaseAction {
private File file;
private String fileFileName;
private String fileFileContentType;
private String message = "你已成功上传文件";
public void wxfileUpload() {
HttpServletRequest request = this.getRequest();
HttpServletResponse response = null;
PrintWriter out = null;
String encoding = "UTF-8";
try {
response = this.getResponse();
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding(encoding);
out = response.getWriter();
request.setCharacterEncoding(encoding);
String path =ServletActionContext.getServletContext().getRealPath(file.separator+"upload");
File f = this.getFile();
if(this.getFileFileName().endsWith(".exe")){
message = "对不起,你上传的文件格式不允许!!!";
}
FileInputStream inputStream = new FileInputStream(f);
File upfile=new File(path +File.separator+ this.getFileFileName());
if(upfile.isDirectory() && !upfile.exists())
upfile.mkdirs();
else if(!upfile.isDirectory() && !upfile.getParentFile().exists())
upfile.getParentFile().mkdirs();
FileOutputStream outputStream = new FileOutputStream(upfile);
byte[] buf = new byte[1024];
int length = 0;
while ((length = inputStream.read(buf)) != -1) {
outputStream.write(buf, 0, length);
}
inputStream.close();
outputStream.flush();
outputStream.close();
out.print("Success Upload");
} catch (Exception e) {
e.printStackTrace();
out.print("Success ERROR");
logger.info("WxAction reply exception:" + e);
} finally {
if (out != null)
out.close();
}
}
}
//.....get set()...action配置文件
<action name="fileUpload" class="com.bjdata.bjsearch.presentation.action.weix.uploadAction" method="fileUpload"> </action>
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为了美观，把 type="file" 控件隐藏。点击“上传”按钮，click调用隐藏文件控件，再选择文件。查了一遍，好像是ie为了安全控制，文件的必须鼠标点击过后，才能提交。还没有想到其他的方法。。。
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