springboot框架快速搭建

1.    新建Maven项目  spring-boot

2.    pom.xml

<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>4.0.0</modelVersion>
    <groupId>com.java</groupId>
    <artifactId>spring-boot</artifactId>
    <version>1.0.0</version>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.5.RELEASE</version>
    </parent>

    <dependencies>

        <!-- Spring Boot -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-log4j</artifactId>
            <version>1.3.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.0.1</version>
        </dependency>

        <!-- 数据库连接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.11</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>

    </dependencies>

    <build>
        <finalName>${project.artifactId}</finalName>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

3.   启动类 Starter.java

package com.java.springboot;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;

/**
 * 启动类
 *
 * @author Logan
 * @version 1.0.0
 *
 */
@SpringBootApplication
public class Starter extends SpringBootServletInitializer {

    public static void main(String[] args) {
        SpringApplication.run(Starter.class, args);
    }

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(Starter.class);
    }

}

4.   User.java

package com.java.springboot.pojo;

public class User {
    private String id;

    private String username;

    private String password;

    private Integer age;

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    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;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

    @Override
    public String toString() {
        return "User [id=" + id + ", username=" + username + ", password=" + password + ", age=" + age + "]";
    }

}

5.   UserMapper.java

package com.java.springboot.mapper;

import java.util.List;

import com.java.springboot.pojo.User;

public interface UserMapper {

    Integer checkLogin(User user);

    List<User> findUserList(User user);

    void addUser(User user);

    void updateUser(User user);

    void deleteUser(User user);

}

6.   UserMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.java.springboot.mapper.UserMapper">

    <!-- 配置数据库字段和实体类映射 -->
    <resultMap id="userMap" type="com.java.springboot.pojo.User">
        <id property="id" column="id" />
        <result property="username" column="username" />
        <result property="password" column="password" />
        <result property="age" column="age" />
    </resultMap>

    <!-- 检查登录 -->
    <select id="checkLogin" parameterType="com.java.springboot.pojo.User" resultType="java.lang.Integer">
        select 1 from user where username=#{username} and password=#{password}
    </select>

    <!-- 查询用户列表 -->
    <select id="findUserList" parameterType="com.java.springboot.pojo.User" resultType="com.java.springboot.pojo.User">
        select id,username,password,age from user
    </select>

    <!-- 新增用户 -->
    <insert id="addUser" parameterType="com.java.springboot.pojo.User" >
        <selectKey keyProperty="id" order="BEFORE" resultType="java.lang.String">
            select replace(uuid(), '-', '') as id from dual
        </selectKey>
        insert into user(id,username,password,age) values(#{id},#{username},#{password},#{age});
    </insert>

    <!-- 修改用户信息 -->
    <update id="updateUser" parameterType="com.java.springboot.pojo.User" >
        update user set username=#{username}, password=#{password}, age=#{age} where id=#{id}
    </update>

    <!-- 根据id删除用户 -->
    <delete id="deleteUser" parameterType="java.lang.String">
        delete from user where id=#{id}
    </delete>

</mapper>

7、UserService.java

package com.java.springboot.service;

import java.util.List;

import com.java.springboot.pojo.User;

public interface UserService {

    Integer checkLogin(User user);

    List<User> findUserList(User user);

    void addOrUpdateUser(User user);

    void deleteUser(User user);

}

8、UserServiceImpl.java

package com.java.springboot.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.java.springboot.mapper.UserMapper;
import com.java.springboot.pojo.User;
import com.java.springboot.service.UserService;

@Service("userService")
public class UserServiceImpl implements UserService {

    @Autowired
    private UserMapper userMapper;

    @Override
    public Integer checkLogin(User user) {
        return userMapper.checkLogin(user);
    }

    @Override
    public List<User> findUserList(User user) {
        return userMapper.findUserList(user);
    }

    @Override
    @Transactional
    public void addOrUpdateUser(User user) {
        if (null == user.getId() || user.getId().isEmpty()) {
            userMapper.addUser(user);
        } else {
            userMapper.updateUser(user);
        }
    }

    @Override
    @Transactional
    public void deleteUser(User user) {
        userMapper.deleteUser(user);
    }

}

9、UserController.java

package com.java.springboot.controller;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.java.springboot.pojo.User;
import com.java.springboot.service.UserService;

@Controller
@RequestMapping("/user")
public class UserController {

    private static final Log LOG = LogFactory.getLog(UserController.class);

    @Autowired
    private UserService userService;

    @RequestMapping("/login")
    public String login() {
        return "user/login";
    }

    @RequestMapping("/checkLogin")
    public String checkLogin(User user, Model model) {
        LOG.info("Into checkLogin");
        System.out.println(user);

        String responseUrl = null;

        // 检查用户名密码是否存在
        Integer result = userService.checkLogin(user);
        System.out.println("result: " + result);
        LOG.info("result: " + result);

        // 绑定用户名密码输出返回
        if (null == result) {
            model.addAttribute("username", user.getUsername());
            model.addAttribute("password", user.getPassword());
            responseUrl = "user/login";
        }

        // 登录成功，访问主页
        else {
            responseUrl = "user/main";
        }

        LOG.info("Exit checkLogin");
        return responseUrl;

    }

    @ResponseBody
    @RequestMapping("/findUserList")
    public List<User> findUserList(User user) {
        LOG.info("Into findUserList");
        System.out.println(user);

        List<User> list = userService.findUserList(user);

        LOG.info("Exit findUserList");
        return list;
    }

    @RequestMapping("/toAddOrUpdateUser")
    public String toAddOrUpdateUser(User user, Model model) {
        LOG.info("Into toAddOrUpdateUser");
        System.out.println("user: " + user);

        // 输出id，根据id是否为空，判断是新增还是修改
        model.addAttribute("user", user);
        LOG.info("Exit toAddOrUpdateUser");
        return "user/addOrUpdateUser";
    }

    @RequestMapping("/addOrUpdate")
    public String addOrUpdate(User user) {
        LOG.info("Into addOrUpdate");
        System.out.println("user: " + user);

        userService.addOrUpdateUser(user);

        System.out.println(user);
        LOG.info("Exit addOrUpdate");

        return "user/main";

    }

    @ResponseBody
    @RequestMapping("/deleteUser")
    public String deleteUser(User user) {
        System.out.println(user);
        LOG.info("Into deleteUser");

        userService.deleteUser(user);

        LOG.info("Exit deleteUser");
        return "删除成功！";
    }

}

10、ApplicationConfig.java

package com.java.springboot.config;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Configuration;

/**
 * 配置类
 *
 * @author Logan
 * @version 1.0.0
 *
 */
@Configuration
@MapperScan({ "com.java.springboot.mapper" })
public class ApplicationConfig {

}

11、src/main/resources 下配置文件

12、application.properties

server.port=8080

#数据库自动配置
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://192.168.32.10:3306/springboot?useUnicode=true&characterEncoding=UTF-8
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource

#Thymeleaf 参见org.springframework.boot.autoconfigure.thymeleaf.ThymeleafProperties
spring.thymeleaf.prefix=classpath:/views/
spring.thymeleaf.suffix=.html

13、log4j.properties

log4j.rootLogger= INFO, stdout,logfile
log4j.logger.INFO=INFO,logfile

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss.SSS} [%5p] [%c] - %m%n

log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.File=G:/Java/logs/springboot/LogFile.log
log4j.appender.logfile.DatePattern='_'yyyy-MM-dd'.log'
log4j.appender.logfile.Threshold=INFO
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %m%n
log4j.appender.logfile.Append=true

14、/static/index.html

<!DOCTYPE html>
<html>

    <head>

        <title>登录</title>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
        <script type="text/javascript">
            function addUser() {
                location.href = "/user/toAddOrUpdateUser";
            }
        </script>
    </head>

    <body>
        <form action="/user/checkLogin" method="post">
            <table>
                <tr>
                    <td>用户名：</td>
                    <td><input name="username" /><br /></td>
                </tr>
                <tr>
                    <td>密码：</td>
                    <td><input type="password" name="password" /><br /></td>
                </tr>
                <tr>
                    <td><input type="submit" value="登录" /></td>
                    <td><input type="button" value="注册" onclick="addUser();" /></td>
                </tr>
            </table>

        </form>

    </body>

</html>

15、/views/user/login.html

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">

    <head>

        <title>登录</title>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
        <script type="text/javascript">
            function addUser() {
                location.href = "/user/toAddOrUpdateUser";
            }
        </script>
    </head>

    <body>
        <form action="/user/checkLogin" method="post">
            <table>
                <tr>
                    <td>用户名：</td>
                    <td><input name="username" th:value="${username}" /><br /></td>
                </tr>
                <tr>
                    <td>密码：</td>
                    <td><input type="password" name="password" th:value="${password}" /><br /></td>
                </tr>
                <tr>
                    <td><input type="submit" value="登录" /></td>
                    <td><input type="button" value="注册" onclick="addUser();" /></td>
                </tr>
            </table>

        </form>

    </body>

</html>

16、/views/user/main.html

<!DOCTYPE html>
<html>

    <head>

        <title>主页</title>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
        <script src="/js/jquery-3.3.1.min.js"></script>
        <style type="text/css">
            td,
            th {
                border: 1px solid #AAA;
            }
        </style>
        <script type="text/jscript">
            $(function() {
                queryUserList();
            });

            function queryUserList() {
                $.post("/user/findUserList", {
                    id: 1
                }, function(data) {
                    var userList = data;
                    var line = null;
                    $("#list").empty();
                    for(var i in userList) {
                        line = tr(td(userList[i].id) + td(userList[i].username) + td(userList[i].password) + td(userList[i].age) + td(addBtn() + delBtn()));
                        $("#list").append(line);
                    }
                });
            }

            function tr(text) {
                return "<tr>" + text + "</tr>";
            }

            function td(text) {
                if(!text) {
                    text = "";
                }
                return "<td>" + text + "</td>";
            }

            function addBtn() {
                return "<button onClick='update(this);'>修改</button>";
            }

            function delBtn() {
                return "<button onClick='deleteUser(this);'>删除</button>";
            }

            function update(obj) {
                var row = getRow(obj);

                var user = {
                    id: row.eq(0).text(),
                    username: row.eq(1).text(),
                    password: row.eq(2).text(),
                    age: row.eq(3).text()
                }

                var form = document.createElement("form");
                form.action = "/user/toAddOrUpdateUser";
                form.method = "post";

                var input = null;
                for(var key in user) {
                    input = document.createElement("input");

                    input.type = "hidden";
                    input.name = key;
                    input.value = user[key];
                    form.appendChild(input)
                }
                document.body.appendChild(form);
                form.submit();

            }

            function deleteUser(obj) {
                var row = getRow(obj);

                var id = row.eq(0).text();
                $.post("/user/deleteUser", {
                    id: id
                }, function(data) {
                    alert(data);
                    queryUserList();
                });
            }

            function getRow(obj) {
                return $(obj).parent().parent().children();
            }
        </script>
    </head>

    <body>
        <button onClick="location.href='/user/toAddOrUpdateUser'">新增</button>
        <div>
            <table style="border-collapse: collapse; width: 800px;">
                <thead>
                    <tr>
                        <th>ID</th>
                        <th>用户名</th>
                        <th>密码</th>
                        <th>年龄</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody id="list">
                </tbody>
            </table>
        </div>

    </body>

</html>

17、/views/user/addOrUpdateUser.html

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">

    <head>

        <title>新增用户</title>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
    </head>

    <body>
        <form action="/user/addOrUpdate" method="post">
            <input name="id" th:value="${user.id}" type="hidden" />
            <table>
                <tr>
                    <td>用户名：</td>
                    <td><input type="text" name="username" th:value="${user.username}" /><br /></td>
                </tr>
                <tr>
                    <td>密码：</td>
                    <td><input type="password" name="password" th:value="${user.password}" /><br /></td>
                </tr>
                <tr>
                    <td>年龄：</td>
                    <td><input type="text" name="age" th:value="${user.age}" /><br /></td>
                </tr>
                <tr>
                    <td colspan="2"><input type="submit" value="提交" /></td>
                </tr>
            </table>

        </form>

    </body>

</html>

18.    创建数据库

DROP DATABASE IF EXISTS springboot;
CREATE DATABASE springboot;
USE springboot;
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `id` varchar(32) NOT NULL,
  `username` varchar(32) NOT NULL,
  `password` varchar(32) NOT NULL,
  `age` int(3) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

;

注意：

jquery-3.3.1.min.js 请自行下载，配置到Main.jsp文件中

https://code.jquery.com/jquery-3.3.1.min.js
    http://code.jquery.com/jquery-3.3.1.min.js

打开网址，Ctrl + S 保存文件

配置完成！

运行   Starter.java   ，在浏览器输入下面地址访问

http://127.0.0.1:8080

.