Spring boot(三)整合mybaties+thymeleaf实现基础crud

工程结构:

　　

　　首先在pom文件中引入依赖

xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>

    <groupId>com.liugroupId>
    <artifactId>spring-boot-mybatisartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <packaging>jarpackaging>

    <name>spring-boot-mybatisname>
    <url>http://maven.apache.orgurl>

    
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>1.4.1.RELEASEversion>
    parent>


    <properties>
        <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
        
        <java.version>1.8java.version>
    properties>

    <dependencies>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
            <version>1.3.0.RELEASEversion>
            <optional>trueoptional>
        dependency>

        
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>

        
        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
        dependency>

        
        <dependency>
            <groupId>org.mybatis.spring.bootgroupId>
            <artifactId>mybatis-spring-boot-starterartifactId>
            <version>1.1.1version>
        dependency>

        
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-thymeleafartifactId>
            <version>1.5.2.RELEASEversion>
        dependency>

    dependencies>
project>

　　在启动类中开启自动扫包

 1 package com.liu.spring_boot_mybatis;
 2 
 3 import org.mybatis.spring.annotation.MapperScan;
 4 import org.springframework.boot.SpringApplication;
 5 import org.springframework.boot.autoconfigure.SpringBootApplication;
 6 
 7 @SpringBootApplication
 8 @MapperScan("com.liu.*")//扫描：该包下相应的class,主要是MyBatis的持久化类.
 9 public class App {
10     public static void main(String[] args) {
11         SpringApplication.run(App.class, args);
12     }
13 }

　　在application.properties中配置mysql和thymeleaf

########################################################
###datasource 
########################################################
spring.datasource.url = jdbc:mysql://localhost:3306/blog?useUnicode=true&characterEncoding=utf-8
spring.datasource.username = root
spring.datasource.password = 
spring.datasource.driverClassName = com.mysql.jdbc.Driver
spring.datasource.max-active=20
spring.datasource.max-idle=8
spring.datasource.min-idle=8
spring.datasource.initial-size=10

########################################################
###thymeleaf 
########################################################
spring.thymeleaf.cache=false
spring.thymeleaf.check-template-location=true
spring.thymeleaf.suffix=.html
spring.thymeleaf.encoding=UTF-8
spring.thymeleaf.content-type=text/html
spring.thymeleaf.mode=HTML5
spring.thymeleaf.prefix=classpath:/templates/

　　根据数据库中表类型创建实体类

 1 package com.liu.spring_boot_mybatis.bean;
 2 
 3 
 4 public class Userinfo {
 5     private int id;
 6     private String username;
 7     private String password;
 8     public int getId() {
 9         return id;
10     }
11     public void setId(int id) {
12         this.id = id;
13     }
14     public String getUsername() {
15         return username;
16     }
17     public void setUsername(String username) {
18         this.username = username;
19     }
20     public String getPassword() {
21         return password;
22     }
23     public void setPassword(String password) {
24         this.password = password;
25     }
26     
27 }

　　根据业务创建mapper文件,本次整合只整合了crud的基础操作示例

 1 package com.liu.spring_boot_mybatis.mapper;
 2 
 3 import org.apache.ibatis.annotations.*;
 4 
 5 import com.liu.spring_boot_mybatis.bean.Userinfo;
 6 
 7 import java.util.List;
 8 
 9 @Mapper
10 public interface UserinfoMapper {
11 
12     @Select("select * from userinfo")
13     public List Finduser(Userinfo userinfo);
14 
15     // #{id} 参数占位符
16     @Select("select * from userinfo where id=#{id}")
17     public Userinfo getid(int id);
18 
19     @Insert("insert into userinfo(id,username,password) values(#{id},#{username},#{password})")
20     public int insert(Userinfo userinfo);
21 
22     @Update("update userinfo set username=#{username},password=#{password} where id=#{id} ")
23     public int update(Userinfo userinfo);
24 
25     @Delete("delete from userinfo where id=#{id}")
26     public  int delete(int id);
27 
28 }

　　service

 1 package com.liu.spring_boot_mybatis.service;
 2 
 3 import java.util.List;
 4 
 5 import org.apache.ibatis.annotations.Select;
 6 import org.springframework.beans.factory.annotation.Autowired;
 7 import org.springframework.stereotype.Service;
 8 
 9 import com.liu.spring_boot_mybatis.bean.Userinfo;
10 import com.liu.spring_boot_mybatis.mapper.UserinfoMapper;
11 
12 @Service
13 public class UserinfoService {
14     @Autowired
15     private UserinfoMapper userinfoMapper;
16 
17     public List  Finduser(Userinfo userinfo){return userinfoMapper.Finduser(userinfo);}
18     public Userinfo getid(int id ) {
19         return userinfoMapper.getid(id);
20     }
21     public  int insert(Userinfo userinfo) {
22         return userinfoMapper.insert(userinfo);
23     }
24     public  int update(Userinfo userinfo){return  userinfoMapper.update(userinfo);}
25     public  int delete(int id){return  userinfoMapper.delete(id);}
26 }

　　Controller

 1 package com.liu.spring_boot_mybatis.controller;
 2 
 3 import java.util.ArrayList;
 4 import java.util.List;
 5 
 6 import javax.servlet.http.HttpServletRequest;
 7 
 8 import org.springframework.beans.factory.annotation.Autowired;
 9 import org.springframework.stereotype.Controller;
10 import org.springframework.ui.Model;
11 import org.springframework.web.bind.annotation.RequestMapping;
12 import org.springframework.web.bind.annotation.RestController;
13 
14 import com.liu.spring_boot_mybatis.bean.Userinfo;
15 import com.liu.spring_boot_mybatis.service.UserinfoService;
16 
17 @Controller
18 public class UserinfoController {
19 
20     @Autowired
21     private UserinfoService usService;
22 
23     //查询全部
24     @RequestMapping(value="/Finduser")
25     public String Finduser(Model model, Userinfo userinfo) {
26         List list = new ArrayList<>();
27         list = usService.Finduser(userinfo);
28         model.addAttribute("list", list);
29         model.addAttribute("contens",usService.Finduser(userinfo));
30         return "list";
31 
32     }
33 
34 
35     @RequestMapping(value="getid")
36     public String getid(Model model, int id) {
37         Userinfo Userinfo = usService.getid(id);
38         model.addAttribute("user",Userinfo);
39         return "userEdit";
40     }
41 
42     @RequestMapping(value="edit")
43     public  String update(Userinfo user){
44         this.usService.update(user);
45         return "redirect:/Finduser";
46     }
47 
48     @RequestMapping(value="delete")
49     public  String delete(int id){
50         this.usService.delete(id);
51         return "redirect:/Finduser";
52     }
53 
54     //增加跳转
55     @RequestMapping(value="toAdd")
56     public String  add()
57     {
58         return  "userAdd";
59     }
60 
61     @RequestMapping(value="/insert")
62     public String insert(Model model,Userinfo userinfo) {
63         this.usService.insert(userinfo);
64         return "redirect:/Finduser";
65     }
66 }

　　　编写html 注意static,默认放的是静态文件例如css,js,在templates中放的是html模板,html引入静态资源的时候默认路径是/根目录下的

　　list.html

DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>userListtitle>
    <link rel="stylesheet" th:href="@{/bootstrap.css}">link>
head>
<body class="container">
<br/>
<h1>用户列表h1>
<br/><br/>
<div class="with:80%">
    <table class="table table-hover">
        <thead>
        <tr>
            <th>#th>
            <th>User Nameth>
            <th>Passwordth>
            <th>Editth>
            <th>Deleteth>
        tr>
        thead>
        <tbody>
        <tr  th:each="list : ${list}">
            <th scope="row" th:text="${list.id}">1th>
            <td th:text="${list.username}">neotd>
            <td th:text="${list.password}">Ottotd>
            <td><a th:href="@{/getid(id=${list.id})}">edita>td>
            <td><a th:href="@{/delete(id=${list.id})}">deletea>td>
        tr>
        tbody>
    table>
div>
<div class="form-group">
    <div class="col-sm-2 control-label">
        <a href="/toAdd" th:href="@{/toAdd}" class="btn btn-info">adda>
    div>
div>

body>
html>

　　edit.html

 1 DOCTYPE html>
 2 <html lang="en" xmlns:th="http://www.thymeleaf.org">
 3 <head>
 4     <meta charset="UTF-8"/>
 5     <title>usertitle>
 6     <link rel="stylesheet" th:href="@{/bootstrap.css}">link>
 7 head>
 8 <body class="container">
 9 <br/>
10 <h1>修改用户h1>
11 <br/><br/>
12 <div class="with:80%">
13     <form class="form-horizontal"   th:action="@{/edit}" th:object="${user}"  method="post">
14         <input type="hidden" name="id" th:value="*{id}" />
15         <div class="form-group">
16             <label for="username" class="col-sm-2 control-label">userNamelabel>
17             <div class="col-sm-10">
18                 <input type="text" class="form-control" name="username"  id="username" th:value="*{username}" placeholder="userName"/>
19             div>
20         div>
21         <div class="form-group">
22             <label for="password" class="col-sm-2 control-label" >Passwordlabel>
23             <div class="col-sm-10">
24                 <input type="password" class="form-control" name="password" id="password"  th:value="*{password}" placeholder="Password"/>
25             div>
26         div>
27         <div class="form-group">
28             <div class="col-sm-offset-2 col-sm-10">
29                 <input type="submit" value="Submit" class="btn btn-info" />
30                      
31                 <a href="/Finduser" th:href="@{/Finduser}" class="btn btn-info">Backa>
32             div>
33 
34         div>
35     form>
36 div>
37 body>
38 html>

　　add.html

DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>usertitle>
    <link rel="stylesheet" th:href="@{/bootstrap.css}">link>
head>
<body class="container">
<br/>
<h1>添加用户h1>
<br/><br/>
<div class="with:80%">
    <form class="form-horizontal"   th:action="@{/insert}"  method="post">
        <div class="form-group">
            <label for="username" class="col-sm-2 control-label">usernamelabel>
            <div class="col-sm-10">
                <input type="text" class="form-control" name="username"  id="username" placeholder="username"/>
            div>
        div>
        <div class="form-group">
            <div class="col-sm-10">
                <label for="password" class="col-sm-2 control-label" >Passwordlabel>
                <input type="password" class="form-control" name="password" id="password" placeholder="Password"/>
            div>
        div>
        <div class="form-group">
            <div class="col-sm-offset-2 col-sm-10">
                <input type="submit" value="Submit" class="btn btn-info" />
                     
                <input type="reset" value="Reset" class="btn btn-info" />
            div>

        div>
    form>
div>
body>
html>

　　css太多不贴了

　　直接测试

　　

　　大功告成~

　源码地址:https://github.com/liu119631/spring-boot