<dependency>
    <groupId>com.baidubce</groupId>
    <artifactId>api-explorer-sdk</artifactId>
    <version>1.0.3.1</version>
</dependency>

                                    
                                        
import com.baidubce.http.ApiExplorerClient;
import com.baidubce.http.AppSigner;
import com.baidubce.http.HttpMethodName;
import com.baidubce.model.ApiExplorerRequest;
import com.baidubce.model.ApiExplorerResponse;

// 历史空气质量指数查询 Java示例代码
public class RequestDemo {
    public static void main(String[] args) {
        String path = "http://gwgp-rbyicnjevk7.n.bdcloudapi.com/aqi/history";
        ApiExplorerRequest request = new ApiExplorerRequest(HttpMethodName.POST, path);
        request.setCredentials("您的 access key", "您的 secret key");

        request.addHeaderParameter("Content-Type", "application/json;charset=UTF-8");
        
        request.addQueryParameter("city", "");
        request.addQueryParameter("cityid", "");
        
        

        ApiExplorerClient client = new ApiExplorerClient(new AppSigner());

        try {
          ApiExplorerResponse response = client.sendRequest(request);
          // 返回结果格式为Json字符串
          System.out.println(response.getResult());
        } catch (Exception e) {
          e.printStackTrace();
        }
    }
}
                                    

                                    
点击复制代码
                                

                                    {
    "status": 0,
    "msg": "ok",
    "result": {
        "cityid": "382",
        "city": "杭州",
        "hour": [
            {
                "so2": "12",
                "so224": "20",
                "no2": "80",
                "no224": "64",
                "co": "1.105",
                "co24": "0.924",
                "o3": "11",
                "o38": "11",
                "o324": "56",
                "pm10": "86",
                "pm1024": "78",
                "pm2_5": "60",
                "pm2_524": "52",
                "iso2": "4",
                "ino2": "40",
                "ico": "12",
                "io3": "4",
                "io38": "6",
                "ipm10": "64",
                "ipm2_5": "72",
                "aqi": "72",
                "primarypollutant": "PM2.5",
                "quality": "良",
                "timepoint": "2015-12-09 16:00:00",
                "color": "#FFFF00"
            }
        ],
        "day": [            
            {
                "cityid": "382",
                "so2": "22",
                "so224": "22",
                "no2": "62",
                "no224": "64",
                "co": "0.983",
                "co24": "1.022",
                "o3": "11",
                "o38": "14",
                "o324": "56",
                "pm10": "87",
                "pm1024": "98",
                "pm2_5": "56",
                "pm2_524": "66",
                "iso2": "8",
                "ino2": "31",
                "ico": "10",
                "io3": "4",
                "io38": "7",
                "ipm10": "74",
                "ipm2_5": "89",
                "aqi": "89",
                "primarypollutant": "PM2.5",
                "quality": "良",
                "date": "2015-12-09",
                "color": "#FFFF00"
            }
        ]
    }
}