1、pom.xml 文件导入插入包

 

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.5.6</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.tring</groupId>
    <artifactId>ysyn</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>ysyn</name>
    <description>ysyn</description>
    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring-boot.version>2.3.7.RELEASE</spring-boot.version>
        <jjwt.version>0.9.0</jjwt.version>
        <alibaba-druid-version>1.2.6</alibaba-druid-version>
        <jwt.version>1.0.9.RELEASE</jwt.version>
        <fastjson.version>1.2.68</fastjson.version>
        <commons-io.version>2.6</commons-io.version>
        <mybatis-plus.version>3.4.2</mybatis-plus.version>
        <mybatis-plus-generator.version>3.4.1</mybatis-plus-generator.version>
        <velocity.version>1.7</velocity.version>
        <sa-token.version>1.27.0</sa-token.version>
        <mybatis-plus-extension>3.5.2</mybatis-plus-extension>
    </properties>
    <dependencies>

        <!--web 相关的-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>

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

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

        <!--lombok 提供get/set 以及午餐构造器等-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

        <!--   mysql连接驱动     -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>

        <!-- Druid 连接池 -->
        <dependency>
            <groupId>com.alibaba</