Json解析示例--读取JSON文本
Json 示例：
{
"resultcode": "200",
"reason": "successed!",
"result": {
"sk": {
"temp": "24",
"wind_direction": "西南风",
"wind_strength": "2级",
"humidity": "51%",
"time": "10:11"
},
"today": {
"temperature": "16℃~27℃",
"weather": "阴转多云",
"weather_id": {
"fa": "02",
"fb": "01"
},
"wind": "西南风3-4 级",
"week": "星期四",
"city": "滨州",
"date_y": "2015年06月04日",
"dressing_index": "舒适",
"dressing_advice": "建议着长袖T恤、衬衫加单裤等服装。年老体弱者宜着针织长袖衬衫、马甲和长裤。",
"uv_index": "最弱",
"comfort_index": "",
"wash_index": "较适宜",
"travel_index": "",
"exercise_index": "较适宜",
"drying_index": ""
},
"future": [
{
"temperature": "16℃~27℃",
"weather": "阴转多云",
"weather_id": {
"fa": "02",
"fb": "01"
},
"wind": "西南风3-4 级",
"week": "星期四",
"date": "20150604"
},
{
"temperature": "20℃~32℃",
"weather": "多云转晴",
"weather_id": {
"fa": "01",
"fb": "00"
},
"wind": "西风3-4 级",
"week": "星期五",
"date": "20150605"
}
]
},
"error_code": 0
}
Json解析方法：
import com.google.gson.JsonArray;
import com.google.gson.JsonIOException;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.JsonSyntaxException;
...
JsonParser parse =new JsonParser(); //创建json解析器
try {
JsonObject json=(JsonObject) parse.parse(new FileReader("weather.json")); //创建jsonObject对象
System.out.println("resultcode:"+json.get("resultcode").getAsInt()); //将json数据转为为int型的数据
System.out.println("reason:"+json.get("reason").getAsString()); //将json数据转为为String型的数据
JsonObject result=json.get("result").getAsJsonObject();
JsonObject today=result.get("today").getAsJsonObject();
System.out.println("temperature:"+today.get("temperature").getAsString());
System.out.println("weather:"+today.get("weather").getAsString());
} catch (JsonIOException e) {
e.printStackTrace();
} catch (JsonSyntaxException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
