获取城市天气数据
中华万年历API
抓包中华万年历得到的接口（JSON）：
http://wthrcdn.etouch.cn/weather_mini?city=北京
通过城市名字获得天气数据，json数据
http://wthrcdn.etouch.cn/weather_mini?citykey=101010100
通过城市id获得天气数据，json数据
数据和中国天气网（www.weather.com.cn）一致
数据：
{
"desc": "OK",
"status": 1000,
"data": {
"wendu": "22",
"ganmao": "各项气象条件适宜，无明显降温过程，发生感冒机率较低。",
"forecast": [{
"fengxiang": "南风",
"fengli": "3-4级",
"high": "高温 26℃",
"type": "多云",
"low": "低温 13℃",
"date": "28日星期四"
},
{
"fengxiang": "无持续风向",
"fengli": "微风级",
"high": "高温 28℃",
"type": "多云",
"low": "低温 15℃",
"date": "29日星期五"
},
{
"fengxiang": "无持续风向",
"fengli": "微风级",
"high": "高温 31℃",
"type": "晴",
"low": "低温 15℃",
"date": "30日星期六"
},
{
"fengxiang": "无持续风向",
"fengli": "微风级",
"high": "高温 29℃",
"type": "多云",
"low": "低温 20℃",
"date": "1日星期天"
},
{
"fengxiang": "北风",
"fengli": "4-5级",
"high": "高温 26℃",
"type": "小到中雨",
"low": "低温 13℃",
"date": "2日星期一"
}],
"yesterday": {
"fl": "微风",
"fx": "无持续风向",
"high": "高温 19℃",
"type": "小雨",
"low": "低温 12℃",
"date": "27日星期三"
},
"aqi": "118",
"city": "北京"
}
}
XML
http://wthrcdn.etouch.cn/WeatherApi?citykey=101010100
通过城市id获得天气数据，xml文件数据,
当错误时会有<error>节点
http://wthrcdn.etouch.cn/WeatherApi?city=北京
通过城市名字获得天气数据，xml文件数据
数据：
<resp> <city>北京</city> <updatetime>18:45</updatetime> <wendu>22</wendu> <fengli>2级</fengli> <shidu>33%</shidu> <fengxiang>东南风</fengxiang> <sunrise_1>05:19</sunrise_1> <sunset_1>19:06</sunset_1> <sunrise_2/> <sunset_2/> <environment> <aqi>118</aqi> <pm25>61</pm25> <suggest>儿童、老年人及心脏、呼吸系统疾病患者人群应减少长时间或高强度户外锻炼</suggest> <quality>轻度污染</quality> <MajorPollutants>臭氧8小时</MajorPollutants> <o3>185</o3> <co>1</co> <pm10>101</pm10> <so2>4</so2> <no2>24</no2> <time>18:00:00</time> </environment> <yesterday> <date_1>27日星期三</date_1> <high_1>高温 19℃</high_1> <low_1>低温 12℃</low_1> <day_1> <type_1>小雨</type_1> <fx_1>无持续风向</fx_1> <fl_1>微风</fl_1> </day_1> <night_1> <type_1>阴</type_1> <fx_1>无持续风向</fx_1> <fl_1>微风</fl_1> </night_1> </yesterday> <forecast> <weather> <date>28日星期四</date> <high>高温 26℃</high> <low>低温 13℃</low> <day> <type>多云</type> <fengxiang>南风</fengxiang> <fengli>3-4级</fengli> </day> <night> <type>多云</type> <fengxiang>无持续风向</fengxiang> <fengli>微风级</fengli> </night> </weather> <weather> <date>29日星期五</date> <high>高温 28℃</high> <low>低温 15℃</low> <day> <type>多云</type> <fengxiang>无持续风向</fengxiang> <fengli>微风级</fengli> </day> <night> <type>晴</type> <fengxiang>无持续风向</fengxiang> <fengli>微风级</fengli> </night> </weather> <weather> <date>30日星期六</date> <high>高温 31℃</high> <low>低温 15℃</low> <day> <type>晴</type> <fengxiang>无持续风向</fengxiang> <fengli>微风级</fengli> </day> <night> <type>多云</type> <fengxiang>无持续风向</fengxiang> <fengli>微风级</fengli> </night> </weather> <weather> <date>1日星期天</date> <high>高温 29℃</high> <low>低温 20℃</low> <day> <type>多云</type> <fengxiang>无持续风向</fengxiang> <fengli>微风级</fengli> </day> <night> <type>小雨</type> <fengxiang>无持续风向</fengxiang> <fengli>微风级</fengli> </night> </weather> <weather> <date>2日星期一</date> <high>高温 26℃</high> <low>低温 13℃</low> <day> <type>小到中雨</type> <fengxiang>北风</fengxiang> <fengli>4-5级</fengli> </day> <night> <type>多云</type> <fengxiang>北风</fengxiang> <fengli>3-4级</fengli> </night> </weather> </forecast> <zhishus> <zhishu> <name>晨练指数</name> <value>适宜</value> <detail>天气不错，空气清新，是您晨练的大好时机，建议不同年龄段的人们积极参加户外健身活动。</detail> </zhishu> <zhishu> <name>舒适度</name> <value>较舒适</value> <detail>白天天气晴好，您在这种天气条件下，会感觉早晚凉爽、舒适，午后偏热。</detail> </zhishu> <zhishu> <name>穿衣指数</name> <value>舒适</value> <detail>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。</detail> </zhishu> <zhishu> <name>感冒指数</name> <value>少发</value> <detail>各项气象条件适宜，无明显降温过程，发生感冒机率较低。</detail> </zhishu> <zhishu> <name>晾晒指数</name> <value>适宜</value> <detail>天气不错，适宜晾晒。赶紧把久未见阳光的衣物搬出来吸收一下太阳的味道吧！</detail> </zhishu> <zhishu> <name>旅游指数</name> <value>适宜</value> <detail>天气较好，但丝毫不会影响您出行的心情。温度适宜又有微风相伴，适宜旅游。</detail> </zhishu> <zhishu> <name>紫外线强度</name> <value>中等</value> <detail>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。</detail> </zhishu> <zhishu> <name>洗车指数</name> <value>较适宜</value> <detail>较适宜洗车，未来一天无雨，风力较小，擦洗一新的汽车至少能保持一天。</detail> </zhishu> <zhishu> <name>运动指数</name> <value>较适宜</value> <detail>天气较好，户外运动请注意防晒，推荐您在室内进行低强度运动。</detail> </zhishu> <zhishu> <name>约会指数</name> <value>适宜</value> <detail>天气较好，和恋人一起徜徉于熙攘人群中或漫步于柔软草地上，都是不错的主意哦。</detail> </zhishu> <zhishu> <name>雨伞指数</name> <value>不带伞</value> <detail>天气较好，不会降水，因此您可放心出门，无须带雨伞。</detail> </zhishu> </zhishus> </resp>
java code:
package com.topsports.util;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.zip.GZIPInputStream;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
/**
* 天气预报工具类（调用中华万年历接口获取）
* @author sun.xh
* @date 2018-08-02
*/
public class WeatherUtil {
private static Logger logger = LogManager.getLogger(WeatherUtil.class);
/**
* 获取今天实时天气
* @param cityName 城市名称
* @return type
*/
public static String getTodayWeather(String cityName){
String res = null;
try {
JSONArray array = getWeather(cityName);
if (array != null && !array.isEmpty()) {
JSONObject today = array.getJSONObject(0);
res = today.getString("type");
}
} catch (Exception e) {
logger.error("获取天气失败", e);
}
return res;
}
/**
* 获取最近几天天气 + 昨日天气
* @param cityName
* @return jsonArray
*/
public static JSONArray getWeather(String cityName) {
String url = "http://wthrcdn.etouch.cn/weather_mini?city=" + cityName;
JSONArray array = null;
CloseableHttpClient httpClient = HttpClients.createDefault();
try {
HttpGet httpGet = new HttpGet(url);
HttpResponse httpResponse = httpClient.execute(httpGet);
String result = getJsonStringFromGZIP(httpResponse);// 获取到解压缩之后的字符串
JSONObject jsonData = JSONObject.fromObject(result);
logger.info("请求天气接口返回状态如下：cityName:{}, status:{},desc:{}", cityName, jsonData.getString("status"), jsonData.getString("desc"));
if (jsonData.getString("desc").equals("OK")) {
JSONObject data = jsonData.getJSONObject("data");
array = data.getJSONArray("forecast");
}
} catch (Exception e) {
logger.error("获取一周天气数据失败", e);
} finally {
try {
httpClient.close();
} catch (IOException e) {
logger.error("IO异常", e);
}
}
return array;
}
/**
* 解压缩gzip
* @param response
* @return
*/
private static String getJsonStringFromGZIP(HttpResponse response) {
String jsonString = null;
try {
InputStream is = response.getEntity().getContent();
BufferedInputStream bis = new BufferedInputStream(is);
bis.mark(2);
// 取前两个字节
byte[] header = new byte[2];
int result = bis.read(header);
// reset输入流到开始位置
bis.reset();
// 判断是否是GZIP格式
int headerData = getShort(header);
if (result != -1 && headerData == 0x1f8b) {
is = new GZIPInputStream(bis);
} else {
is = bis;
}
InputStreamReader reader = new InputStreamReader(is, "utf-8");
char[] data = new char[100];
int readSize;
StringBuffer sb = new StringBuffer();
while ((readSize = reader.read(data)) > 0) {
sb.append(data, 0, readSize);
}
jsonString = sb.toString();
bis.close();
reader.close();
} catch (Exception e) {
logger.error("解压JSON异常", e);
}
return jsonString;
}
private static int getShort(byte[] data) {
return (int) ((data[0] << 8) | data[1] & 0xFF);
}
public static void main(String[] args) {
//测试获取实时天气
String res = getTodayWeather("深圳");
System.out.println(res);
}
}
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