java后台开发中获取json格式及返回json格式数据

public JSONObject jsonData() throws Exception {
		// 读取请求内容
		BufferedReader br = new BufferedReader(new 
        InputStreamReader(request.getInputStream(), "UTF-8"));
		String line = null;
		StringBuilder sb = new StringBuilder();
		while ((line = br.readLine()) != null) {
			sb.append(line);
		}

		String reqBody = sb.toString();
		JSONObject json = new JSONObject(reqBody);

		return json;

}

    
	public String ok(JSONObject result) throws Exception {
		PrintWriter pw = response.getWriter();
		logger.debug(result.toString());
		pw.print(result.toString());
		pw.close();
		return null;
	}

 

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