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后台代码

@SuppressWarnings({ "rawtypes", "unchecked" })

@RequestMapping(value = "v1/uploadImg", method = RequestMethod.POST)

@ApiOperation(value = "图片上传", produces = "application/json;charset=utf-8")

@ResponseBody

public Object uploadImg(

@ApiParam(value = "用户id", name = "userid") @RequestParam String userid,

@ApiParam(value = "签名", name = "sign") @RequestParam String sign,

HttpServletRequest request, HttpServletResponse response){

ResultDo resultDo = new ResultDo();

MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;

Iterator t = multiRequest.getFileNames();

MultipartFile fileDetail = multiRequest.getFile(t.next());

String name = fileDetail.getOriginalFilename();

String type = request.getParameter("type");

//把图片上传到fastdfs

try {

Map param = uploadUtil.firstUpload(name.substring(name.lastIndexOf(".") + 1, name.length()));

String groupName = param.get("group_name").toString();

String fileId = param.get("file_id").toString();

uploadUtil.upload_file(groupName, fileId.substring(fileId.indexOf("/")+1, fileId.length()),

fileDetail.getInputStream(), fileDetail.getSize());

resultDo.setRet(1);

resultDo.setResult("http://"+ConfigUtil.getValue("tracker_server") +"/"+ fileId);

String result = "";

if(RegexUtil.isNotBlank(type)){

response.setContentType("text/html");

result = JsonUtil.toJson(resultDo);

System.out.println("resultDo:++++++++++++++"+result);

System.out.println("response:*********"+response.getContentType());

return result;

}

return resultDo;

} catch (Exception e1) {

e1.printStackTrace();

resultDo.setRet(0);

resultDo.setErrinfo("图片上传失败！");

return resultDo;

}

class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">

text/html;charset=UTF-8