• 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;  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

    .

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  • 原文地址:https://www.cnblogs.com/jonban/p/springboot.html
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