java接口接受json
本文介绍了java接口接受json的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
问 题
public class Crtl extends HttpServlet {
private static Log log = LogFactory.getLog(WacaiRemoteRequest.class);
private static ObjectMapper objectMapper = new ObjectMapper();
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
//这里需要接受调用者传过来的json参数
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
doGet(req, resp);
}
}
写一个接口给别人调用,我需要接收到调用者传过来的json然后转换为list,再去调用另一个接口返回结果,请问怎样接收json?
解决方案
package com.sample.servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;
public class SampleHttpServlet extends HttpServlet {
private static final long serialVersionUID = -2074707407667590820L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doGet(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//用于接收对方的jsonString
StringBuilder jsonString = new StringBuilder();
BufferedReader reader = req.getReader();
try {
String line;
while ((line = reader.readLine()) != null) {
jsonString.append(line).append('\n');
}
} finally {
reader.close();
}
//doYourThings(jsonString.toString()) 继续做你的业务就可以了
}
}
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