SSM框架添加junit单元测试

1.添加pom依附 

   <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <scope>test</scope>
        </dependency>

        <!--参加spring-test-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>5.1.1.RELEASE</version>
        </dependency>   <dependency>
            <groupId>