Respon_案例_重定向、Respon_案例1_重定向_特点

Respon_案例_重定向

案例：

　　完成重定向

　　服务器输出字符数据到浏览器

　　服务器输出字节数据到浏览器

　　验证码　　

图解：

案例：

@WebServlet(value = "/Servlet1")
public class Servlet1 extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request,response);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //方法Servlet1，会自定跳转到responDemo2资源
        //设置状态码302
        response.setStatus(302);
        //设置响应头
        response.setHeader("location","Servlet/Servlet2");
    }
}

@WebServlet( value = "/Servlet2")
public class Servlet2 extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request,response);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        System.out.println("dome2....");
    }
}