1、依赖包
<dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>2.1</version> </dependency>
2、示例代码
String json = "{"resultCode":"SUCCESS","resultDesc":"SUCCESS","userProfile":{"userId":"901228507","registTime":"20180622161442","accounts":[{"accountName":"123566965","accoutType":"MOBILE","bindTime":null,"verified":false,"accountExtInfo":null}],"avatar":null,"nickName":null,"userRole":null,"usernum":null,"extInfo":null}}"; JsonParser parser = new JsonParser(); // 2.获得 根节点元素 JsonElement element = parser.parse(json); // 3.根据 文档判断根节点属于 什么类型的 Gson节点对象 JsonObject root = element.getAsJsonObject(); String resultCode = root.get("resultCode").getAsString(); System.out.println(resultCode); // 4. 取得 节点 下 的某个节点的 value JsonObject userProfile = root.getAsJsonObject("userProfile"); System.out.println(userProfile.get("userId").getAsString());