使用Servlet实现请求重定向：两种方式
1.
response.setStatus(302);
response.setHeader("location", "/ResponseDemo/ResponseDemo13");
2.
response.sendRedirect("/ResponseDemo/ResponseDemo13");
被访问的代码：
package chensi.com; import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; /**
* Servlet 使用response实现重定向
*/
@WebServlet("/ResponseDemo12")
public class ResponseDemo12 extends HttpServlet {
private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
response.getWriter().write("这个是最开始访问的页面");
/*response.setStatus(302);
response.setHeader("location", "/ResponseDemo/ResponseDemo13");*/
response.sendRedirect("/ResponseDemo/ResponseDemo13"); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
} }
被重定向的Servlet的代码：
package chensi.com; import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; /**
* Servlet 使用response实现重定向
*/
@WebServlet("/ResponseDemo12")
public class ResponseDemo12 extends HttpServlet {
private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
response.getWriter().write("这个是最开始访问的页面");
/*response.setStatus(302);
response.setHeader("location", "/ResponseDemo/ResponseDemo13");*/
response.sendRedirect("/ResponseDemo/ResponseDemo13"); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
} }