前言
本文主要跟大家介紹了關于Java用gson解析Json的相關內(nèi)容，分享出來供大家參考學習，需要的朋友們下面來一起看看吧。
json數(shù)據(jù)
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{ "resultcode": "200", "reason": "successed!", "result": { "sk": { "temp": "24", "wind_direction": "西南風", "wind_strength": "2級", "humidity": "51%", "time": "10:11" }, "today": { "temperature": "16℃~27℃", "weather": "陰轉(zhuǎn)多云", "weather_id": { "fa": "02", "fb": "01" }, "wind": "西南風3-4 級", "week": "星期四", "city": "濱州", "date_y": "2015年06月04日", "dressing_index": "舒適", "dressing_advice": "建議著長袖T恤、襯衫加單褲等服裝。年老體弱者宜著針織長袖襯衫、馬甲和長褲。", "uv_index": "最弱", "comfort_index": "", "wash_index": "較適宜", "travel_index": "", "exercise_index": "較適宜", "drying_index": "" }, "future": [ { "temperature": "16℃~27℃", "weather": "陰轉(zhuǎn)多云", "weather_id": { "fa": "02", "fb": "01" }, "wind": "西南風3-4 級", "week": "星期四", "date": "20150604" }, { "temperature": "20℃~32℃", "weather": "多云轉(zhuǎn)晴", "weather_id": { "fa": "01", "fb": "00" }, "wind": "西風3-4 級", "week": "星期五", "date": "20150605" }, { "temperature": "23℃~35℃", "weather": "多云轉(zhuǎn)陰", "weather_id": { "fa": "01", "fb": "02" }, "wind": "西南風3-4 級", "week": "星期六", "date": "20150606" }, { "temperature": "20℃~33℃", "weather": "多云", "weather_id": { "fa": "01", "fb": "01" }, "wind": "北風微風", "week": "星期日", "date": "20150607" }, { "temperature": "22℃~34℃", "weather": "多云", "weather_id": { "fa": "01", "fb": "01" }, "wind": "西南風3-4 級", "week": "星期一", "date": "20150608" }, { "temperature": "22℃~33℃", "weather": "陰", "weather_id": { "fa": "02", "fb": "02" }, "wind": "西南風3-4 級", "week": "星期二", "date": "20150609" }, { "temperature": "22℃~33℃", "weather": "多云", "weather_id": { "fa": "01", "fb": "01" }, "wind": "南風3-4 級", "week": "星期三", "date": "20150610" } ] }, "error_code": 0} |
解析JSONObject
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import com.google.gson.JsonObject;import com.google.gson.JsonParser;import com.google.gson.JsonSyntaxException;import com.google.gson.JsonIOException;import java.io.FileNotFoundException;import java.io.FileReader;public class ReadJson { public static void main(String []args) { JsonParser parse = new JsonParser(); try { JsonObject json = (JsonObject) parse.parse(new FileReader("weather.json")); System.out.println("resultcode:" + json.get("resultcodeu").getAsInt()); System.out.println("reason:" + json.get("reason").getAsString()); JsonObject result = json.get("result").getAsJsonObject(); JsonObject today = result.get("today").getAsJsonObject(); System.out.println("weak:" + today.get("week").getAsString()); System.out.println("weather:" + today.get("weather").getAsString()); } catch (JsonIOException e) { e.printStackTrace(); } catch (NullPointerException e) { e.printStackTrace(); } catch (JsonSyntaxException e){ e.printStackTrace(); } catch (FileNotFoundException e) { e.printStackTrace(); } }} |
解析JSONArray
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import com.google.gson.JsonParser;import com.google.gson.JsonArray;import com.google.gson.JsonObject;import com.google.gson.JsonSyntaxException;import com.google.gson.JsonIOException;import java.io.FileNotFoundException;import java.io.FileReader;public class ReadJsonArray { public static void main(String []args) { JsonParser parse = new JsonParser(); try { JsonObject json = (JsonObject)parse.parse(new FileReader("C:\\Users\\wzh94434\\IdeaProjects\\TestProject\\jsontest\\src\\main\\java\\weather.json")); JsonObject result = json.get("result").getAsJsonObject(); JsonArray futureArray = result.get("future").getAsJsonArray(); for (int i = 0; i < futureArray.size(); ++i) { JsonObject subObj = futureArray.get(i).getAsJsonObject(); System.out.println("------"); System.out.println("week:" + subObj.get("week").getAsString()); System.out.println("weather:" + subObj.get("weather").getAsString()); } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (JsonIOException e) { e.printStackTrace(); } catch (JsonSyntaxException e) { e.printStackTrace(); } }} |
注意：文件路徑相對路徑是從工程根目錄開始
總結
以上就是這篇文章的全部內(nèi)容了，希望本文的內(nèi)容對大家的學習或者工作能帶來一定的幫助，如果有疑問大家可以留言交流，謝謝大家對服務器之家的支持。
原文鏈接：http://www.cnblogs.com/kaituorensheng/p/6616126.html
