Maven项目中使用JSON时相关的依赖包

今天下午在Maven项目中使用JSON的时候遇到了很多问题,
比如输出对象时输出的是地址:
getBooksById>>{indi.marcus.demo.model.Book@28b0599}
通过JSONObject.fromObject(book)转成JSON字符串如下:
getBookById>>{“author”:“罗贯中”,“name”:“三国演义”,“id”:1}

以下是使用JSON需要进入的6个依赖包

<!-- 添加JSON依赖-->
<dependency>
    <groupId>net.sf.json-lib</groupId>
    <artifactId>json-lib</artifactId>
    <version>2.4</version>
    <!-- 必须添加JDK版本号-->
    <classifier>jdk15</classifier>
</dependency>

<dependency>
    <groupId>commons-beanutils</groupId>
    <artifactId>commons-beanutils</artifactId>
    <version>1.9.2</version>
</dependency>

<dependency>
    <groupId>commons-collections</groupId>
    <artifactId>commons-collections</artifactId>
    <version>3.2.1</version>
</dependency>

<dependency>
    <groupId>commons-lang</groupId>
    <artifactId>commons-lang</artifactId>
    <version>2.5</version>
</dependency>

<dependency>
    <groupId>net.sf.ezmorph</groupId>
    <artifactId>ezmorph</artifactId>
    <version>1.0.3</version>
</dependency>

<dependency>
    <groupId>commons-logging</groupId>
    <artifactId>commons-logging</artifactId>
    <version>1.2</version>
</dependency>

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转载自blog.csdn.net/qq_37559253/article/details/89480880