JAVA记住密码功能的实现代码
准备:SSM框架,MySQL数据库
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用户表 user

实体类:
public class User {
/**
* 主键id
*/
private Integer userId;
/**
* 账号
*/
private String username;
/**
* 密码
*/
private String password;
public Integer getUserId() {
return userId;
}
public void setUserId(Integer userId) {
this.userId = userId;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}UserMapper
<?xml version="1.0" encoding="UTF-8" ?>
mapper层
public interface UserMapper {
User getUserByname(String username);
}
service层
public interface UserService {
User getUserByname(String username, String password, HttpSession session, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse);
}impl
@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserMapper userMapper;
@Override
public ResultVO getUserByname(String username, String password, HttpSession session, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {
String remember = httpServletRequest.getParameter("remember");
if (username!= null && username!= 0){
User user = userMapper.getUserByname(username);
if (user != null && user.getPassword().equals(password)){
session.setAttribute("user", user);
if (remember != null){
Cookie cookieUser = new Cookie("username", username);
Cookie cookiePass = new Cookie("password", password);
cookieUser.setMaxAge(60 * 60 * 24);
cookiePass.setMaxAge(60 * 60 * 24);
httpServletResponse.addCookie(cookieUser);
httpServletResponse.addCookie(cookiePass);
return ResultVO.success(user);
}
return ResultVO.error(1, "用户名或密码错误");
}
return ResultVO.error(3, "用户名或密码不能为空");
}
}Controller
@RestController
public class UserController {
@Autowired
private UserService userService;
//登录
@RequestMapping("/getUserByname")
public ResultVO getUserByname(String username, String password, HttpSession session, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse){
return userService.getUserByname(username, password, session, httpServletRequest, httpServletResponse);
}
}前端代码(JSP)
html的自己修改下,样式是BootStrap的
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ page contentType="text/html;charset=UTF-8" language="java" %>登录
总结
以上所述是小编给大家介绍的JAVA记住密码功能的实现代码,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对创新互联网站的支持!
如果你觉得本文对你有帮助,欢迎转载,烦请注明出处,谢谢!
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