Post请求报错405
作者:互联网
今天在学习尚硅谷的javaweb课中,在进行RegistServlet类的编写时,form表单中method="post"类中重写的方法为doPost,和视频上的代码一模一样,可还是报错405,如图所示。
package com.atguigu.web;
import com.atguigu.pojo.User;
import com.atguigu.service.UserService;
import com.atguigu.service.impl.UserServiceImpl;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class RegistServlet extends HttpServlet {
private UserService userService = new UserServiceImpl();
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// 1、获取请求的参数
String username = req.getParameter("username");
String password = req.getParameter("password");
String email = req.getParameter("email");
String code = req.getParameter("code");
// 2、检查 验证码是否正确 === 写死,要求验证码为:abcde
if ("abcde".equalsIgnoreCase(code)) {
// 3、检查 用户名是否可用
if (userService.existsUsername(username)) {
System.out.println("用户名[" + username + "]已存在!");
// 跳回注册页面
req.getRequestDispatcher("/pages/user/regist.html").forward(req, resp);
} else {
// 可用
// 调用Sservice保存到数据库
userService.registUser(new User(null, username, password, email));
//
// 跳到注册成功页面 regist_success.html
req.getRequestDispatcher("/pages/user/regist_success.html").forward(req, resp);
}
} else {
System.out.println("验证码[" + code + "]错误");
req.getRequestDispatcher("/pages/user/regist.html").forward(req, resp);
}
}
}
报错为:
原因:
Apache、IIS、Nginx等绝大多数web服务器,都不允许静态文件响应POST请求
解决办法:
将POST请求换成GET请求即可 ,即将RegistServlet类中的doPost改为doGet,并令regist.html文件中的form表单中method="get"。
标签:username,code,req,regist,405,html,报错,import,Post 来源: https://blog.csdn.net/weixin_51052586/article/details/122759515