引入MAVEN依赖
<!-- https://mvnrepository.com/artifact/com.alibaba/fastjson --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.47</version> </dependency>
String转JSONObject
JSONObject jsonObject = JSONObject.parseObject ("{name:'xxx',age:'18'}");
获取里面的值
jsonObject.getString ("name")
输出:xxx
String转JSONArray
JSONArray jsonArray = JSONObject.parseArray ("[{name:'xxx',age:'18'},{name:'iii',age:'19'}]");
获取里面的值
jsonArray.getJSONObject (1).getString ("name");
输出:iii