【Spring Boot&&Spring Cloud系列】使用Intellij构建Spring Boot和Mybatis项目

1 package com.slp.controller;
2
3 import com.slp.entity.User;
4 import com.slp.service.IRegService;
5 import com.slp.util.GenerateKeyUtil;
6 import org.springframework.beans.factory.annotation.Autowired;
7 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
8 import org.springframework.stereotype.Controller;
9 import org.springframework.util.StringUtils;
10 import org.springframework.web.bind.annotation.RequestMapping;
11 import org.springframework.web.bind.annotation.RequestParam;
12 import org.springframework.web.bind.annotation.ResponseBody;
13
14 import java.math.BigInteger;
15 import java.security.MessageDigest;
16 import java.security.NoSuchAlgorithmException;
17
18 /**
19  * Created by sangliping on 2017/8/15.
20  * @Controller注解返回指定页面，也就是template文件夹下的页面
21  * @RestController相当于@Controller和@ResponseBody
22  * springboot默认会缓存templates下的文件，如果html页面修改后，看不到修改后的效果则修改热部署为false
23  */
24 @Controller
25 @EnableAutoConfiguration
26 public class HelloWorldController {
27     @Autowired
28     private IRegService regService;
29     @RequestMapping("/")
30     String home(){
31         return "index";
32     }
33
34     @RequestMapping("/reg")
35     @ResponseBody
36     Boolean reg(@RequestParam("loginPwd")String loginNum,@RequestParam("userId")String userId){
37         System.out.println("进入注册页面");
38         User user = regService.findUserById(userId);//根据用户id查询用户
39         if(StringUtils.isEmpty(user)){//如果用户不存在则进行注册
40             String pwd =  this.createMD5(loginNum);
41             System.out.println(userId+"==="+loginNum);
42             String id = GenerateKeyUtil.getCharAndNumr(20);
43             regService.regUser(userId,pwd,id);
44         }
45      return true;
46     }
47
48
49     private String createMD5(String loginNum){
50         MessageDigest md = null;
51         try {
52             md = MessageDigest.getInstance("MD5");
53             md.update(loginNum.getBytes());
54         }catch (NoSuchAlgorithmException e){
55             e.printStackTrace();
56         }
57         return new BigInteger(1,md.digest()).toString();
58     }
59
60
61
62     @RequestMapping("/register")
63     private String register(){
64         System.out.println("进入注册页面");
65
66         return "login";
67     }
68 }

1 package com.slp.entity;
2
3 /**
4  * Created by sangliping on 2017/8/15.
5  */
6 public class User {
7     private String id;
8     private String userId;
9     private String pwd;
10
11     public String getId() {
12         return id;
13     }
14
15     public void setId(String id) {
16         this.id = id;
17     }
18
19     public String getUserId() {
20         return userId;
21     }
22
23     public void setUserId(String userId) {
24         this.userId = userId;
25     }
26
27     public String getPwd() {
28         return pwd;
29     }
30
31     public void setPwd(String pwd) {
32         this.pwd = pwd;
33     }
34
35     @Override
36     public String toString() {
37         return "User{" +
38                 "id='" + id + '\'' +
39                 ", userId='" + userId + '\'' +
40                 ", pwd='" + pwd + '\'' +
41                 '}';
42     }
43 }

1 package com.slp.mapper;
2
3 import com.slp.entity.User;
4 import org.apache.ibatis.annotations.Insert;
5 import org.apache.ibatis.annotations.Mapper;
6 import org.apache.ibatis.annotations.Param;
7 import org.apache.ibatis.annotations.Select;
8
9 /**
10  * Created by sangliping on 2017/8/15.
11  */
12 @Mapper
13 public interface UserMapper {
14     @Select("select * from users where userId = #{userId}")
15     User findUserByUserId(@Param("userId") String userId);
16
17     @Insert("insert into users(id,userId,pwd) values(#{id},#{userId},#{pwd})")
18     boolean insertUsers (@Param("userId")String userId,@Param("pwd")String pwd,@Param("id")String id);
19 }

1 package com.slp.service;
2
3 import com.slp.entity.User;
4
5 /**
6  * Created by sangliping on 2017/8/15.
7  */
8 public interface IRegService {
9     boolean regUser(String userId,String pwd,String id);
10     User findUserById(String userId);
11 }

1 package com.slp.service;
2
3 import com.slp.entity.User;
4 import com.slp.mapper.UserMapper;
5 import org.springframework.beans.factory.annotation.Autowired;
6 import org.springframework.stereotype.Service;
7
8 /**
9  * Created by sangliping on 2017/8/15.
10  */
11 @Service()
12 public class RegService implements IRegService{
13     @Autowired
14     private UserMapper userMapper;
15
16     @Override
17     public boolean regUser(String userId, String pwd,String id) {
18         boolean  flag = userMapper.insertUsers(userId,pwd,id);
19         return flag;
20     }
21
22     @Override
23     public User findUserById(String userId) {
24         User user = userMapper.findUserByUserId(userId);
25         return user;
26     }
27 }

1 package com.slp.util;
2
3 import java.util.Random;
4
5 /**
6  * Created by sangliping on 2017/8/15.
7  */
8 public class GenerateKeyUtil {
9     public static String getCharAndNumr(int length) {
10         String val = "";
11         Random random = new Random();
12         for (int i = 0; i < length; i++) {
13             // 输出字母还是数字
14             String charOrNum = random.nextInt(2) % 2 == 0 ? "char" : "num";
15             // 字符串
16             if ("char".equalsIgnoreCase(charOrNum)) {
17                 // 取得大写字母还是小写字母
18                 int choice = random.nextInt(2) % 2 == 0 ? 65 : 97;
19                 val += (char) (choice + random.nextInt(26));
20             } else if ("num".equalsIgnoreCase(charOrNum)) { // 数字
21                 val += String.valueOf(random.nextInt(10));
22             }
23         }
24         return val;
25     }
26 }

1 <!DOCTYPE html>
2 <html xmlns="http://www.thymeleaf.org">
3 <head>
4
5     <meta charset="utf-8"/>
6     <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
7     <meta name="viewport" content="width=device-width, initial-scale=1"/>
8     <title>登陆页面</title>
9     <!-- CSS -->
10     <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Roboto:400,100,300,500"/>
11     <link rel="stylesheet" href="/css/bootstrap.min.css"/>
12     <link rel="stylesheet" href="/css/font-awesome.min.css"/>
13     <link rel="stylesheet" href="/css/form-elements.css"/>
14     <link rel="stylesheet" href="/css/style.css"/>
15
16     <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
17     <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
18     <!--[if lt IE 9]>
19     <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
20     <script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
21     <![endif]-->
22
23     <!-- Favicon and touch icons -->
24     <link rel="shortcut icon" href="/img/favicon.png"/>
25     <link rel="apple-touch-icon-precomposed" sizes="144x144" href="/img/apple-touch-icon-144-precomposed.png"/>
26     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/apple-touch-icon-114-precomposed.png"/>
27     <link rel="apple-touch-icon-precomposed" sizes="72x72" href="/img/apple-touch-icon-72-precomposed.png"/>
28     <link rel="apple-touch-icon-precomposed" href="/img/apple-touch-icon-57-precomposed.png"/>
29
30 </head>
31
32 <body>
33
34 <!-- Top content -->
35 <div class="top-content">
36
37     <div class="inner-bg">
38         <div class="container">
39             <div class="row">
40                 <div class="col-sm-8 col-sm-offset-2 text">
41                     <h3>没有账户请先<a href="http://localhost:8080/register">注册</a> </h3>
42                     <div class="description">
43                         <p>
44
45                         </p>
46                     </div>
47                 </div>
48             </div>
49             <div class="row">
50                 <div class="col-sm-6 col-sm-offset-3 form-box">
51                     <div class="form-top">
52                         <div class="form-top-left">
53                             <h3>登 陆</h3>
54                             <p>输入用户名和密码:</p>
55                         </div>
56                         <div class="form-top-right">
57                             <i class="fa fa-key"></i>
58                         </div>
59                     </div>
60                     <div class="form-bottom">
61                         <form role="form" action="" method="post" class="login-form">
62                             <div class="form-group">
63                                 <label class="sr-only" for="form-username">用户名</label>
64                                 <input type="text" name="form-username" placeholder="请输入用户名" class="form-username form-control" id="form-username"/>
65                             </div>
66                             <div class="form-group">
67                                 <label class="sr-only" for="form-password">密  码</label>
68                                 <input type="password" name="form-password" placeholder="请输入密码" class="form-password form-control" id="form-password"/>
69                             </div>
70                             <button type="submit" class="btn">登 陆!</button>
71                         </form>
72                     </div>
73                 </div>
74             </div>
75             <div class="row">
76                 <div class="col-sm-6 col-sm-offset-3 social-login">
77                     <h3>或者使用第三方账户登陆:</h3>
78                     <div class="social-login-buttons">
79                         <a class="btn btn-link-1 btn-link-1-facebook" href="#">
80                             <i class="fa fa-facebook"></i> Facebook
81                         </a>
82                         <a class="btn btn-link-1 btn-link-1-twitter" href="#">
83                             <i class="fa fa-twitter"></i> Twitter
84                         </a>
85                         <a class="btn btn-link-1 btn-link-1-google-plus" href="#">
86                             <i class="fa fa-google-plus"></i> Google Plus
87                         </a>
88                     </div>
89                 </div>
90             </div>
91         </div>
92     </div>
93
94 </div>
95
96
97 <!-- Javascript -->
98 <script src="/js/jquery-1.11.1.min.js"></script>
99 <script src="/js/bootstrap.min.js"></script>
100 <script src="/js/jquery.backstretch.min.js"></script>
101 <script src="/js/scripts.js"></script>
102
103 <!--[if lt IE 10]>
104 <script src="/js/placeholder.js"></script>
105 <![endif]-->
106
107 </body>
108 </html>