JSON不熟，pm里的值都能拿到，但是siteList里的值是循环的，请大佬指点下，谢谢.php写的
[ol]{ "showapi_res_error": "", "showapi_res_code": 0, "showapi_res_body": { "ret_code": 0, "pm": { "so2": "3", "o3": "7", "area_code": "beijing", "pm2_5": "118", "primary_pollutant": "颗粒物(PM2.5)", "ct": "2018-03-19 09:02:05.571", "co": "1.292", "num": "334", "area": "北京", "no2": "72", "aqi": "156", "quality": "中度污染", "pm10": "_", "o3_8h": "10" }, "siteList": [ { "co": "2.000", "so2": "4", "o3": "4", "no2": "99", "aqi": "209", "quality": "重度污染", "pm10": "0", "pm2_5": "159", "site_name": "丰台花园", "o3_8h": "-", "ct": "2018-03-19 09:03:35.812", "primary_pollutant": "PM2.5" }, { "co": "1.600", "so2": "5", "o3": "4", "no2": "96", "aqi": "191", "quality": "中度污染", "pm10": "0", "pm2_5": "144", "site_name": "前门交通点", "o3_8h": "-", "ct": "2018-03-19 09:03:35.812", "primary_pollutant": "PM2.5" }, { "co": "1.400", "so2": "2", "o3": "3", "no2": "97", "aqi": "189", "quality": "中度污染", "pm10": "0", "pm2_5": "142", "site_name": "永定门交通点", "o3_8h": "-", "ct": "2018-03-19 09:03:35.812", "primary_pollutant": "PM2.5" }, { "co": "1.700", "so2": "11", "o3": "2", "no2": "111", "aqi": "187", "quality": "中度污染", "pm10": "152", "pm2_5": "141", "site_name": "南三环交通点", "o3_8h": "-", "ct": "2018-03-19 09:03:35.812", "primary_pollutant": "PM2.5" }, { "co": "1.600", "so2": "4", "o3": "2", "no2": "88", "aqi": "181", "quality": "中度污染", "pm10": "0", "pm2_5": "137", "site_name": "东四", "o3_8h": "-", "ct": "2018-03-19 09:03:35.812", "primary_pollutant": "PM2.5" }, { "co": "1.500", "so2": "2", "o3": "4", "no2": "62", "aqi": "180", "quality": "中度污染", "pm10": "169", "pm2_5": "136", "site_name": "京南区域点", "o3_8h": "-", "ct": "2018-03-19 09:03:35.813", "primary_pollutant": "PM2.5" }, { "co": "1.500", "so2": "2", "o3": "4", "no2": "62", "aqi": "180", "quality": "中度污染", "pm10": "169", "pm2_5": "136", "site_name": "京南区域点", "o3_8h": "-", "ct": "2018-03-19 09:03:35.813", "primary_pollutant": "PM2.5" }, { "co": "2.000", "so2": "2", "o3": "4", "no2": "56", "aqi": "179", "quality": "中度污染", "pm10": "0", "pm2_5": "135", "site_name": "平谷镇", "o3_8h": "-", "ct": "2018-03-19 09:03:35.813", "primary_pollutant": "PM2.5" }, { "co": "1.500", "so2": "7", "o3": "2", "no2": "104", "aqi": "177", "quality": "中度污染", "pm10": "0", "pm2_5": "134", "site_name": "西直门交通点", "o3_8h": "-", "ct": "2018-03-19 09:03:35.813", "primary_pollutant": "PM2.5" }, { "co": "1.200", "so2": "4", "o3": "2", "no2": "88", "aqi": "174", "quality": "中度污染", "pm10": "0", "pm2_5": "132", "site_name": "农展馆", "o3_8h": "-", "ct": "2018-03-19 09:03:35.813", "primary_pollutant": "PM2.5" } ] }}[/ol]复制代码 |
