注意地区要转码的
百度ak申请地址：http://lbsyun.baidu.com/apiconsole/key
<?php
$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));
{
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℃"
}
]
}
]
}