提取多层嵌套JSON类型数据

{
"error": 0,
"status": "success",
"results": [
{
"currentCity": "青岛",
"index": [
{
"title": "穿衣",
"zs": "较冷",
"tipt": "穿衣指数",
"des": "建议着厚外套加毛衣等服装。年老体弱者宜着大衣、呢外套加羊毛衫。"
},
{
"title": "紫外线强度",
"zs": "中等",
"tipt": "紫外线强度指数",
"des": "属中等强度紫外线辐射天气，外出时建议涂擦SPF高于15、PA+的防晒护肤品，戴帽子、太阳镜。"
}
]

}
]
}

package com.iteam.test;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

public class Test {

public static void main(String[] args) {

String s = "{\"error\":0,\"status\":\"success\",\"results\":[{\"currentCity\":\"青岛\",\"index\":[{\"title\":\"穿衣\",\"zs\":\"较冷\",\"tipt\":\"穿衣指数\",\"des\":\"建议着厚外套加毛衣等服装。年老体弱者宜着大衣、呢外套加羊毛衫。\"},{\"title\":\"紫外线强度\",\"zs\":\"最弱\",\"tipt\":\"紫外线强度指数\",\"des\":\"属弱紫外线辐射天气，无需特别防护。若长期在户外，建议涂擦SPF在8-12之间的防晒护肤品。\"}],}]}";

JSONObject jsonObject = JSONObject.fromObject(s);

//提取出error为 0
int error = jsonObject.getInt("error");
System.out.println("error:" + error);

//提取出status为 success
Strin
4000
g status = jsonObject.getString("status");
System.out.println("status:" + status);

//注意：results中的内容带有中括号[]，所以要转化为JSONArray类型的对象
JSONArray result = jsonObject.getJSONArray("results");

for (int i = 0; i < result.size(); i++) {
//提取出currentCity为 青岛
String currentCity = result.getJSONObject(i).getString("currentCity");
System.out.println("currentCity:" + currentCity);

//注意：index中的内容带有中括号[]，所以要转化为JSONArray类型的对象
JSONArray index = result.getJSONObject(i).getJSONArray("index");

for (int j = 0; j < index.size(); j++) {
String title = index.getJSONObject(j).getString("title");
System.out.println("title:" + title);
String zs = index.getJSONObject(j).getString("zs");
System.out.println("zs:" + zs);
String tipt = index.getJSONObject(j).getString("tipt");
System.out.println("tipt:" + tipt);
String des = index.getJSONObject(j).getString("des");
System.out.println("des:" + des);

}
}

}

}