Servlet中获取请求体的数据

package priv.lwx.javaex.servlet_demo.web.servlet.request;

/**
 * 获取请求体的数据
 *
 * @author liaowenxiong
 * @date 2021/12/29 11:21
 */


import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;

@WebServlet(value = "/request_demo05")
public class RequestDemo05 extends HttpServlet {
  @Override
  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  }

  @Override
  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // 获取请求消息体的数据
    // 1.获取字符输入流
    BufferedReader reader = request.getReader();
    // 2.按行读取数据
    String line = null;
    while ((line = reader.readLine()) != null) {
      System.out.println(line);
    }
  }
}