注意地区要转码的

百度ak申请地址：http://lbsyun.baidu.com/apiconsole/key

代码如下:

$city="嘉兴";

$content = file_get_contents("http://api.map.baidu.com/telematics/v3/weather?location=%E5%98%89%E5%85%B4&output=json&ak=5slgyqGDENN7Sy7pw29IUvrZ");

print_r(json_decode($content));

代码如下:

{

error: 0,

status: "success",

date: "2014-04-18",

results: [

{

currentCity: "嘉兴",

weather_data: [

{

date: "今天(周三)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",

weather: "多云",

wind: "微风",

temperature: "23℃"

},

{

date: "明天(周四)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/leizhenyu.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/zhongyu.png",

weather: "雷阵雨转中雨",

wind: "微风",

temperature: "29～22℃"

},

{

date: "后天(周五)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/yin.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",

weather: "阴转多云",

wind: "微风",

temperature: "31～23℃"

},

{

date: "大后天(周六)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",

weather: "多云",

wind: "微风",

temperature: "31～24℃"

}

]

},

{

currentCity: "合肥市",

weather_data: [

{

date: "今天(周三)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",

weather: "多云",

wind: "东风3-4级",

temperature: "27℃"

},

{

date: "明天(周四)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",

weather: "多云",

wind: "东北风3-4级",

temperature: "35～27℃"

},

{

date: "后天(周五)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",

weather: "多云",

wind: "南风",

temperature: "35～27℃"

},

{

date: "大后天(周六)",

dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",

nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",

weather: "多云",

wind: "东风",

temperature: "34～27℃"

}

]

}

]

}

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