import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/hello") //显示声明，前端访问地址，如：localhost/hello
public class Hello extends HttpServlet { //这个类名经测试，跟前端访问无关，根据类的作用取
	private static final long serialVersionUID = 1L;
 
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	
		//解决request跳转页面中文乱码，必须在response.getWriter()前加
		response.setCharacterEncoding("UTF-8");

		PrintWriter out = response.getWriter();
		out.println("hello");

	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		doGet(request, response); //post请求，全部交由get函数处理
 	
	}

}