比如python里面要引入flask，只需要pip install flask就够了
php要用thinkphp也是直接compoer install top-think/thinkphp5就够了
npm要引入vue直接npm install vue --save就够了

而java的maven为什么不能直接依赖一个springframework就够了
就像这样

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring</artifactId>
    <version>${spring.version}</version>
</dependency>

而是要依赖如下那么多包？
这是因为spring里面的每个功能都耦合度很低，所以可以灵活选择是否要使用的缘故吗？

<!-- 添加Spring依赖的jar包-->
<!--依赖注入包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aop</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--切片包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aspects</artifactId>
    <version>${spring.version}</version>
</dependency>
<!-- Beans包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-beans</artifactId>
    <version>${spring.version}</version>
</dependency>
<!-- 容器包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context</artifactId>
    <version>${spring.version}</version>
</dependency>
<!-- 容器依赖包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context-support</artifactId>
    <version>${spring.version}</version>
</dependency>
<!-- 核心包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-core</artifactId>
    <version>${spring.version}</version>
</dependency>
<!-- 表达式包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-expression</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--spring-framework-bom包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-framework-bom</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--spring-instrument包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-instrument</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--连接数据库包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-jdbc</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--Spring消息包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-jms</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--Spring信息包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-messaging</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--Spring对象映射包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-orm</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--spring-oxm包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-oxm</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--Spring测试包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--Spring事物管理包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-tx</artifactId>
    <version>${spring.version}</version>
</dependency>
<!--Spring文本项目包-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-web</artifactId>
    <version>${spring.version}</version>
</dependency>

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原文链接：https://blog.csdn.net/chentie...