##上传文件1
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28@RequestMapping("/uploadfile")
@ResponseBody
private message uploadfile(@RequestParam("attachment") MultipartFile[] multipartfiles, HttpServletRequest request) throws IOException {
MultipartHttpServletRequest mulReq = (MultipartHttpServletRequest) request;
/*MultipartFile file = mulReq.getFile("attachment");*/
String savePath = "E:\\ludy\\mdm\\attachment";//本地地址
String filename = "";
message retmsg = new message();//返回对象
try {
if (null != multipartfiles && multipartfiles.length > 0) {
//遍历并保存文件
for (MultipartFile file : multipartfiles) {
String originname = file.getOriginalFilename();
//String [] suffix=originname.split(".");
String prefix = originname.substring(originname.lastIndexOf(".") + 1);
filename = mD5(file);
file.transferTo(new File(savePath + "\\" + filename + "." + prefix));
retmsg.setRet("200");
retmsg.setMsg(filename + "." + prefix);//后缀
}
}
} catch (Exception e) {
e.printStackTrace();
}
return retmsg;
}
##上传文件到服务器（尚有问题，但可行）1
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46public static message uploadFile(MultipartFile file, String url) {
message ret = new message();
JSONObject result = new JSONObject();
HttpClient httpclient = new DefaultHttpClient();
String smsUrl = "http://192.168.1.1/upload";//服务器地址
HttpPost httppost = new HttpPost(smsUrl);
try {
FileBody bin = new FileBody(multipartToFile(file));
HttpEntity reqEntity= MultipartEntityBuilder.create().addPart("attachment",bin ).build();
httppost.setEntity(reqEntity);
// 发起请求 并返回请求的响应
HttpResponse response = httpclient.execute(httppost);
HttpEntity resEntity = response.getEntity();
String conResult = EntityUtils.toString(response.getEntity());
result = fromObject(conResult);
ret.setRet(result.getString("ret"));
ret.setMsg(result.getString("msg"));
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
httpclient.getConnectionManager().shutdown();
}
return ret;
}
//将MultipartFile转换为file类型文件
public static File multipartToFile(MultipartFile multipartFile) throws IOException {
CommonsMultipartFile cf = (CommonsMultipartFile)multipartFile;
DiskFileItem fi = (DiskFileItem) cf.getFileItem();
File file = fi.getStoreLocation();
//手动创建临时文件
System.out.print(file.length());
if(file.length() < 2048){
File tmpFile = new File(System.getProperty("java.io.tmpdir") + System.getProperty("file.separator") +
file.getName());
multipartFile.transferTo(tmpFile);
return tmpFile;
}
return file;
}
