JSON格式的数据传递是最常用的方法之一,以下列出了常用的几种形态以及与Javabean之间的转换:

  String json1="{'name':'zhangsan','age':23,'interests':[{'interest':'篮球','colors':['绿色','黄色']},{'interest':'足球','colors':['红色','蓝色']}]}";
  String json2="[{'name':'zhangsan'},{'name':'lisi'},{'name':'王五'}]";
  String json3="{'1':{'name':'zhangsan'},'3':{'name':'lisi'},'4':{'name':'wangwu'}}";//map
  String json4="{'name':'zhangsan','age':23}";

首先,此处的转化依赖两个JAR包

 1     <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
 2     <dependency>
 3         <groupId>com.google.code.gson</groupId>
 4         <artifactId>gson</artifactId>
 5         <version>2.8.1</version>
 6     </dependency>
 7     <!-- https://mvnrepository.com/artifact/org.json/json -->
 8     <dependency>
 9         <groupId>org.json</groupId>
10         <artifactId>json</artifactId>
11         <version>20170516</version>
12     </dependency>
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