这篇文章主要讲解了“如何实现SSM登陆注册功能”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“如何实现SSM登陆注册功能”吧！
这几个包是自己手动创建的，然后往里面写代码
package com.maike.controller; import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView;
import com.maike.dto.UserDto; import com.maike.model.User; import com.maike.service.UserService; /**
*
* @author tan
*
*/
@Controller
@RequestMapping("/user") public class UserController { @Autowired
private UserService userService;
/**
* toRegister: 跳转到注册页面<br/>
* @return
*/
@RequestMapping("/toRegister") public String toRegister(){ return "register";
} /**
* addUser:实现注册 <br/>
* @param userDto
* @return
*/
@RequestMapping("/addUser") public ModelAndView addUser(UserDto userDto) { int k = userService.addUser(userDto); if(k > 0) {
ModelAndView view = new ModelAndView("login"); return view;
}else {
ModelAndView view = new ModelAndView("register"); return view;
}
} /**
* 登录判断
* @param userDto
* @return
*/
@RequestMapping("/judgeLogin") public ModelAndView judgeLogin(UserDto userDto) { int k = userService.judgeLogin(userDto); if(k > 0) {
ModelAndView view = new ModelAndView("success"); return view;
}else {
ModelAndView view = new ModelAndView("login"); return view;
}
}
} package com.maike.dto;
import java.io.Serializable;
public class UserDto implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private String userName;
private String userPwd;
private String reUserPwd;
public String getUserName() { return userName;
}
public void setUserName(String userName) { this.userName = userName;
}
public String getUserPwd() { return userPwd;
}
public void setUserPwd(String userPwd) { this.userPwd = userPwd;
}
public String getReUserPwd() { return reUserPwd;
}
public void setReUserPwd(String reUserPwd) { this.reUserPwd = reUserPwd;
}
public static long getSerialversionuid() { return serialVersionUID;
}
@Override
public String toString() { return "UserDto [userName=" + userName + ", userPwd=" + userPwd + ", reUserPwd=" + reUserPwd + "]";
}
}UserMapper.xml
<!-- 通过用户名查询用户 -->
<select id="selectByName" parameterType="java.lang.String" resultMap="BaseResultMap">
SELECT <include refid="Base_Column_List" />
FROM user WHERE user_name=#{userName,jdbcType=VARCHAR} </select>
<!-- 通过用户名密码查询 -->
<select id="selectByNamePwd" parameterType="java.lang.String" resultMap="BaseResultMap">
select <include refid="Base_Column_List" />
from user
where user_name=#{userName,jdbcType=VARCHAR} and user_pwd=#{userPwd,jdbcType=VARCHAR} </select>
<!-- 添加用户信息 -->
<insert id="insert" parameterType="com.maike.model.User">
INSERT INTO user(user_id, user_name, user_pwd) values(#{userId,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR}, #{userPwd,jdbcType=VARCHAR}) </insert>UserMapper.java
int insert(User user);
User selectByName(String userName);
User selectByNamePwd(@Param("userName") String userName,@Param("userPwd") String userPwd); package com.maike.service;
import com.maike.dto.UserDto;
public interface UserService {
int addUser(UserDto userDto);
int judgeLogin(UserDto userDto);
} package com.maike.serviceImpl; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service;
import com.maike.dao.UserMapper; import com.maike.dto.UserDto; import com.maike.model.User; import com.maike.service.UserService; @Service
public class UserServiceImpl implements UserService { @Autowired
private UserMapper userMapper;
/**
* addUser: 添加用户<br/>
*/
public int addUser(UserDto userDto) { // TODO Auto-generated method stub
int k = 0;
String userName = userDto.getUserName();
String userPwd = userDto.getUserPwd();
String reUserPwd = userDto.getReUserPwd(); if("" == userName || "" == userPwd|| "" == reUserPwd) { return k;
} if(!userPwd.equals(reUserPwd)) { return k;
}
User u = userMapper.selectByName(userName); if(null != u) { return k;
}
User user = new User();
user.setUserName(userName);
user.setUserPwd(reUserPwd);
k = userMapper.insert(user); return k;
}
/**
* 登录判断
*/
public int judgeLogin(UserDto userDto) { // TODO Auto-generated method stub
int k = 0;
String userName = userDto.getUserName();
String userPwd = userDto.getUserPwd(); if("" == userName || "" == userPwd) { return 0;
}
User user = userMapper.selectByNamePwd(userName, userPwd); if(null != user) {
k = 1; return k;
} return 0;
}
}JSP
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>注册页面</title> </head> <body> <br/> <br/> <br/> <form action="addUser"> <table align = "center" > <tr> <td>用户名</td><td><input type = "text" name = "userName"></td> </tr> <tr> <td>密码</td><td><input type = "password" name = "userPwd"></td> </tr> <tr> <td>确认密码</td><td><input type = "password" name = "reUserPwd"></td> </tr> <tr> <td colspan="2" align = "center"><input type = "submit" value = "注册" style = "background-color: Cyan;color:blue"></td> </tr> </table> </form> </body> </html>
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>登录页面</title> </head> <body> <br/> <br/> <br/> <form action="user/judgeLogin"> <table align = "center"> <tr> <td>用户名</td><td><input type = "text" name = "userName"></td> </tr> <tr> <td>密码</td><td><input type = "password" name = "userPwd"></td> </tr> <tr> <td align = "left"><input type = "submit" value = "登录" style = "background-color: Cyan;color:blue"></td> <td align = "right" ><button style = "background-color: Cyan;color:blue"><a href = "/SSM/user/toRegister">注册</a></button></td> </tr> </table> </form> </body> </html>
感谢各位的阅读，以上就是“如何实现SSM登陆注册功能”的内容了，经过本文的学习后，相信大家对如何实现SSM登陆注册功能这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
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