SpringBoot

SpringBoot的使用
1.spring boot 入门
1.1spring boot简介
1.2微服务的简介
1.3环境准备
1.3.1 maven的设置
1.3.2 idea 的设置
1.3.3 spring boot helloworld(版本2.0.2)

<!-- 继承父包 -->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.1.3.RELEASE</version>
        <relativePath></relativePath>
    </parent>

    <!-- spring-boot的web启动的jar包 -->
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

    <!--jpa的jar包 ，操作数据库的，类似hibernate-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        
        <!--mysql驱动-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        
        <!--thymeleaf模板jar，是很不错的html数据传递取值，类似jsp的jstl-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
    </dependencies>

    <!--maven的插件-->
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
        
    <!-- 配置java版本 不配置的话默认父类配置的是1.6-->
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <configuration>
            <source>1.7</source>
            <target>1.7</target>
          </configuration>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>

 

1.3.4 helloworld 探究
1.3.5 主程序类,主入口类