Java遍历复杂json数据

来源：互联网发布：法拉克系统编程实例编辑：程序博客网时间：2024/06/06 20:13

import net.sf.json.JSONObject;

public static void main(String[] args) throws JSONException {
   String str1 = "{\"lendperson\":\"李四\", \"passports\":[{\"passportid\":\"d\",\"name\":\"李豫川\",\"passporttype\":\"K\"},{\"passportid\":\"K9051\",\"name\":\"李平\",\"passporttype\":\"K\"},{\"passportid\":\"K90517\",\"name\":\"袁寒梅\",\"passporttype\":\"K\"},{\"passportid\":\"K905199\",\"name\":\"贺明\",\"passporttype\":\"K\"}]}";
  String str =   "{\"alipay_mobile_public_label_query_response\":{\"code\": 200,\"labels\":[{\"count\":3,\"id\":100509,\"name\":\"bqtest2\"},{\"count\":3,\"id\":100510,\"name\":\"bqtest3\"},{\"count\":3,\"id\":100511,\"name\":\"bqtest4\"},{\"count\":3,\"id\":100512,\"name\":\"bqtest5\"},{\"count\":0,\"id\":100513,\"name\":\"测试标签01\"}],\"msg\": \"成功\"},\"sign\": \"eNarwqhe8tOl2jIO99cLEiV4WQVJL5n8xUntkh6SOjo9i0LKo0TraJDMP15R2BVeaEuxBq5bKMYH0CfrG65XnGAGF2eMApdqB9rgF9BdLBohr3Xmhl3//PqRQmyBfv/Fig7WGGclw+i7AmcupJLp1/4kwAhbKIQZ4tMGMZGH+a4=\"}";
  JSONObject j = JSONObject.fromObject(str);
  String s=j.get("alipay_mobile_public_label_query_response").toString();
  JSONObject k = JSONObject.fromObject(s);
  System.out.println(k.get("labels"));
}

要使程序可以运行必须引入JSON-lib包，JSON-lib包同时依赖于以下的JAR包：
commons-lang.jar
commons-beanutils.jar
commons-collections.jar
commons-logging.jar
ezmorph.jar
json-lib-2.2.2-jdk15.jar

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