springboot 初搭建

本是古典何须时尚 2022-06-02 03:43 153阅读 0赞

## SpringBoot 搭建教程 ##

### 1. SpringBoot简单搭建 ###

#### 第一步： 新建maven项目 ####

##### 引入spring boot开发依赖包 #####

<?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>4.0.0</modelVersion>
    
        <groupId>SpringBoot</groupId>
        <artifactId>SpringBoot</artifactId>
        <version>1.0-SNAPSHOT</version>
    
    
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.4.0.RELEASE</version>
            <relativePath/>
        </parent>
        <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        </dependencies>
    
    </project>

##### 新建spring boot启动类 SpringBootAppliction.java #####

package com.liuzhiqiang;
    
    /** * Created by SCKJ on 2018/1/2. */
    import org.springframework.boot.CommandLineRunner;
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    import org.springframework.web.servlet.config.annotation.EnableWebMvc;
    import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
    
    import java.util.Date;
    import java.util.HashMap;
    import java.util.Map;
    
    /** * Created by liuzhiqiang on 2017/9/7. */
    @SpringBootApplication
    @Controller
    @EnableWebMvc
    public class SpringBootAppliction extends WebMvcConfigurerAdapter implements CommandLineRunner { 
        public static void main(String[] args) {
            SpringApplication.run(SpringBootAppliction.class, args);
        }
    
        @RequestMapping("/test")
        @ResponseBody
        Map<String,Object> test() {
            Map<String,Object> map = new HashMap<String,Object>();
            map.put("作者","刘志强");
            map.put("时间",new Date());
            return map;
        }
    
    
        @Override
        public void run(String... strings) throws Exception {
            System.out.println("服务器已起动");
        }
    }

==注意： SpringBootAppliction类不能直接放在Java目录下==

##### idea 配置启动项 #####

![image][]

点击edit configuration

![image][image 1]

##### 启动后 浏览器输入 [http://localhost:8080/test][http_localhost_8080_test] #####

![image][image 2]

第一阶段Springboot完毕

### 2 模板引擎和application.yml配置 ###

#### /src/main/resources/application.yml ####

#### 引用freemarker依赖包 ####

<dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-freemarker</artifactId>
            </dependency>

#### 创建控制器 IndexController ####

package com.liuzhiqiang.controller;
    
    import org.springframework.ui.ModelMap;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    import org.springframework.web.servlet.ModelAndView;
    
    import java.util.Date;
    import java.util.HashMap;
    import java.util.Map;
    
    /** * Created by liuzhiqiang on 2018/1/2. */
    @RestController
    public class IndexController {
        @RequestMapping("/index")
        ModelAndView index(ModelMap modelMap) {
            Map<String,Object> map = new HashMap<String,Object>();
            map.put("userName","刘志强");
            map.put("时间",new Date());
            modelMap.put("map",map);
            return new ModelAndView("index", modelMap);
        }
    }

#### 新建freemarker页面 index.ftl ####

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
     <head> 
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
      <title>个人简历</title> 
      <style> #title{ color:#F00; font-size:28px } .secondTitle{ font-size:18px; background-color:#09F; text-align:center; } body{ text-align:center; font-size:16px; font-family:SimSun; } ul{ text-align:left;} li{ text-align:left;} .info{ text-align:left; font-size:16px; } td{ border-color:#09F; } tr{ border-color:#09F;} </style>
     </head> 
     <body>
      <table id="pdf" align="center" width="660" border="0" bordercolor="#00CCFF" frame="box"> 
       <caption id="title"> 
        <strong> 个人简历</strong> 
       </caption> 
       <tbody> 
        <tr> 
         <td colspan="5" class="secondTitle">基本资料</td> 
        </tr> 
        <tr> 
         <td width="116">姓 名</td> 
         <td width="134">${map.userName}</td>
         <td width="79">性 别</td> 
         <td width="166">男</td> 
         <td width="129" rowspan="5"><img src="https://avatars2.githubusercontent.com/u/25731425?s=40&v=4" width="105" height="150" alt="1" /></td>
        </tr> 
        <tr> 
         <td>年 龄</td> 
         <td>24</td> 
         <td>籍贯</td> 
         <td>汉族</td> 
        </tr> 
        <tr> 
         <td>民 族</td> 
         <td>汉</td> 
         <td>政治面貌</td> 
         <td>团员</td> 
        </tr> 
        <tr> 
         <td>毕业学校</td> 
         <td colspan="3">临沂大学</td> 
        </tr> 
        <tr> 
         <td>专 业</td> 
         <td>软件技术</td> 
         <td>学 历</td> 
         <td>专科</td> 
        </tr> 
        <tr> 
         <td colspan="5" class="secondTitle">个人技能</td> 
        </tr> 
        <tr> 
         <td>个人技能</td> 
         <td colspan="4"> 
          <ul> 
           <li>熟练掌握Java</li> 
           <li>熟练掌握Linux系统和docker等技术</li> 
           <li>熟练掌握svn,git,maven等技术</li> 
           <li>熟练掌握idea,myeclipse等开发工具</li> 
           <li>熟练掌握spring struts hibernate，springMvc,springBoot,springcloud,Mybatis,Lavavel 等各种服务端框架</li> 
           <li>基础掌握asp php</li> 
           <li>熟练掌握SQl Server,mysql,redis,memcached等关系型非关系型数据库</li> 
           <li>熟练掌握react vue html js jquey css 等前端技术</li> 
           <li>熟练掌握jsp freemarker velocity等模板技术</li> 
          </ul> </td> 
        </tr> 
        </tbody>
      </table>  
     </body>
    </html>

#### SpringBootAppliction类中增加 ####

// 跟目录重定向
        @RequestMapping("/")
        String home() {
            return "redirect:index";
        }

#### 在浏览器访问[http://localhost:8484][http_localhost_8484] ####

![image][image 3]

### 至此 springboot实现spring mvc 的功能已全部实现 ###

### 2 SpringBoot mybatis整合 ###

#### 引入mybatis依赖开发包 ####

<dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>RELEASE</version>
            </dependency>
            <dependency>
                <groupId> mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>5.1.21</version>
            </dependency>

#### pom.xml 配置mybatis-generator插件，数据库表自动生成 dao xml model ####

<plugin>
                    <groupId>org.mybatis.generator</groupId>
                    <artifactId>mybatis-generator-maven-plugin</artifactId>
                    <version>1.3.5</version>
                    <dependencies>
                        <dependency>
                            <groupId> mysql</groupId>
                            <artifactId>mysql-connector-java</artifactId>
                            <version>5.1.21</version>
                        </dependency>
                        <dependency>
                            <groupId>org.mybatis.generator</groupId>
                            <artifactId>mybatis-generator-core</artifactId>
                            <version>1.3.5</version>
                        </dependency>
                    </dependencies>
                    <configuration>
                        
                        <verbose>true</verbose>
                        
                        <overwrite>true</overwrite>
                        
                        <configurationFile>
                            src/main/resources/mybatis/generatorConfig.xml</configurationFile>
                    </configuration>
                </plugin>

#### 创建mybatis-generator配置文件generatorConfig.xml ####

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
    <generatorConfiguration>
        <context id="MysqlContext" targetRuntime="MyBatis3" defaultModelType="flat">
            <property name="beginningDelimiter" value="`"/>
            <property name="endingDelimiter" value="`"/>
    
            <commentGenerator>
                <property name="suppressDate" value="true"/>
            </commentGenerator>
    
            
            <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/test" userId="root" password="root">
            </jdbcConnection>
            
            <javaModelGenerator targetPackage="com.liuzhiqiang.model" targetProject="src\main\java">
                <property name="trimStrings" value="true" />
            </javaModelGenerator>
            
            <sqlMapGenerator targetPackage="mappers" targetProject="src\main\resources"/>
            
            <javaClientGenerator type="XMLMAPPER" targetPackage="com.liuzhiqiang.dao" targetProject="src\main\java"/>
    
            <table tableName="%">
                <generatedKey column="id" sqlStatement="Mysql"/>
            </table>
        </context>
    </generatorConfiguration>

#### 点击下图所标注的 ####

![image][image 4]

#### 会自动创建 ####

![image][image 5]

#### application.yml 配置数据源 和 mybatis ####

spring:
      application:
        name: SpringBoot
      #freemarker 模板引擎配置
      freemarker:
        cache: false
        charset: UTF-8
        check-template-location: true
        content-type: text/html
        expose-request-attributes: true
        expose-session-attributes: true
        request-context-attribute: request
        template-loader-path: classpath:/templates
    #druid数据源相关配置配置
      datasource:
        url: jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF-8&tinyInt1isBit=false
        username: root
        password: root
        driver-class-name: com.mysql.jdbc.Driver
        type: org.apache.tomcat.jdbc.pool.DataSource
    
        #连接池的配置信息
        initialSize: 5
        minIdle: 5
        maxActive: 20
        maxWait: 60000
        timeBetweenEvictionRunsMillis: 60000
        minEvictableIdleTimeMillis: 300000
        validationQuery: SELECT 1 FROM DUAL
        testWhileIdle: true
        testOnBorrow: false
        testOnReturn: false
        poolPreparedStatements: true
        maxPoolPreparedStatementPerConnectionSize: 20
        filters: stat,wall,log4j
        connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
    mybatis:
      type-aliases-package: com.liuzhiqiang.model
      mapperLocations: classpath:/mappers/**/*.xml
    #端口号修改
    server:
      port: 8484

#### 修改 IndexController ####

@RestController
    public class IndexController { 
        @Autowired
        public UserMapper userMapper;
        @RequestMapping("/index")
        ModelAndView index(ModelMap modelMap) {
            User user = userMapper.selectByPrimaryKey(Long.parseLong("1"));
            modelMap.put("map",user);
            return new ModelAndView("index", modelMap);
        }
    }

#### 启动项目 浏览器访问 [http://localhost:8484][http_localhost_8484] ####

#### 至此 springboot简单搭建结束 ####

项目地址  
[https://github.com/2425358736/ProjectPackage/tree/master/SpringBoot][https_github.com_2425358736_ProjectPackage_tree_master_SpringBoot]

[image]: https://note.youdao.com/yws/api/personal/file/79593EDCAD7B40528A16B5DAEFEF3BE4?method=download&shareKey=31d3dd0182434b859d5498bf87a0f3d6
[image 1]: https://note.youdao.com/yws/api/personal/file/72E933D20D2741DF8ED6DAE94FED0D64?method=download&shareKey=951d926b8f591b7431f33f7e380dc139
[http_localhost_8080_test]: http://localhost:8080/test
[image 2]: https://note.youdao.com/yws/api/personal/file/3AE8F67079E7448798623310EA0540AE?method=download&shareKey=951d926b8f591b7431f33f7e380dc139
[http_localhost_8484]: http://localhost:8484
[image 3]: https://note.youdao.com/yws/api/personal/file/3E1D938C6DF243B99022DF6E028F62EB?method=download&shareKey=951d926b8f591b7431f33f7e380dc139
[image 4]: https://note.youdao.com/yws/api/personal/file/39CC0476126A4EA29C8209C6B352E2E8?method=download&shareKey=951d926b8f591b7431f33f7e380dc139
[image 5]: https://note.youdao.com/yws/api/personal/file/5815B3D14C3F4E6FA7E87E2B626E1B7B?method=download&shareKey=951d926b8f591b7431f33f7e380dc139
[https_github.com_2425358736_ProjectPackage_tree_master_SpringBoot]: https://github.com/2425358736/ProjectPackage/tree/master/SpringBoot