【java】采用PrintWriter+FastJson 输出json

采用PrintWriter+FastJson 输出json

// 设置格式为text/jsonresponse.setContentType("text/json");//设置字符集为'UTF-8'response.setCharacterEncoding("UTF-8");try {    PrintWriter write = response.getWriter();    ErrorJson errorJson = new ErrorJson();     errorJson.setData("service occurred");     String s = JSON.toJSON(errorJson).toString();     write.write(s);    write.flush();    write.close();} catch (IOException error) {    error.printStackTrace();    //TODO 记录报错    System.out.println("用于记录报错的异常"+error.toString()

    +error.getMessage()+error.getCause()+"结束");}