百度天气预报

百度提供天气预报查询接口API，可以根据经纬度/城市名查询天气情况，我们可以在微信公众平台开发中调用这一接口。

接口说明

根据经纬度/城市名查询天气的结果

接口示例

http://api.map.baidu.com/telematics/v3/weather?location=北京&output=json&ak=5slgyqGDENN7Sy7pw29IUvrZ

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

接口参数说明

参数类型参数名称是否必须具体描述Stringlocationtrue输入城市名或经纬度，城市名称如:北京或者131，经纬度格式为lng,lat坐标如: location=116.305145,39.982368;全国值为all,返回省会城市自治区，港澳台天气情况多城市天气预报中间"|"分隔,location=116.305145,39.982368| 122.305145,36.982368|….Stringoutputfalse输出的数据格式，默认为xml格式，当output设置为’json’时，输出的为json格式的数据;Stringcoord_typefalse请求参数坐标类型，默认为gcj02经纬度坐标。允许的值为bd09ll、bd09mc、gcj02、wgs84。bd09ll表示百度经纬度坐标，bd09mc表示百度墨卡托坐标，gcj02表示经过国测局加密的坐标。wgs84表示gps获取的坐标。

返回结果

参数名称含义说明currentCity当前城市返回城市名status返回结果状态信息 date当前时间年-月-日results天气预报信息白天可返回近期3天的天气情况（今天、明天、后天）、晚上可返回近期4天的天气情况（今天、明天、后天、大后天）results.currentCity当前城市 results.weather_dataweather_data.date天气预报时间 weather_data.dayPictureUrl白天的天气预报图片url weather_data.nightPictureUrl晚上的天气预报图片url weather_data.weather天气状况所有天气情况（”|”分隔符）：晴|多云|阴|阵雨|雷阵雨|雷阵雨伴有冰雹|雨夹雪|小雨|中雨|大雨|暴雨|大暴雨|特大暴雨|阵雪|小雪|中雪|大雪|暴雪|雾|冻雨|沙尘暴|小雨转中雨|中雨转大雨|大雨转暴雨|暴雨转大暴雨|大暴雨转特大暴雨|小雪转中雪|中雪转大雪|大雪转暴雪|浮尘|扬沙|强沙尘暴|霾weather_data.wind风力 weather_data.temperature温度 

返回xml格式的数据

<?xml version="1.0" encoding="utf-8" ?> <CityWeatherResponse>    <status>success</status>    <date>2014-05-03</date>    <results>              <currentCity>北京</currentCity>        <weather_data>                            <date>周六(今天, 实时：22℃)</date>                <dayPictureUrl>http://api.map.baidu.com/images/weather/day/leizhenyu.png</dayPictureUrl>                <nightPictureUrl>http://api.map.baidu.com/images/weather/night/duoyun.png</nightPictureUrl>                <weather>雷阵雨转多云</weather>                <wind>北风5-6级</wind>                <temperature>24 ~ 11℃</temperature>                            <date>周日</date>                <dayPictureUrl>http://api.map.baidu.com/images/weather/day/duoyun.png</dayPictureUrl>                <nightPictureUrl>http://api.map.baidu.com/images/weather/night/qing.png</nightPictureUrl>                <weather>多云转晴</weather>                <wind>北风4-5级</wind>                <temperature>19 ~ 8℃</temperature>                            <date>周一</date>                <dayPictureUrl>http://api.map.baidu.com/images/weather/day/qing.png</dayPictureUrl>                <nightPictureUrl>http://api.map.baidu.com/images/weather/night/qing.png</nightPictureUrl>                <weather>晴</weather>                <wind>微风</wind>                <temperature>21 ~ 9℃</temperature>                            <date>周二</date>                <dayPictureUrl>http://api.map.baidu.com/images/weather/day/duoyun.png</dayPictureUrl>                <nightPictureUrl>http://api.map.baidu.com/images/weather/night/qing.png</nightPictureUrl>                <weather>多云转晴</weather>                <wind>微风</wind>                <temperature>21 ~ 10℃</temperature>                    </weather_data>        </results></CityWeatherResponse>

返回json格式的数据

{    "error": 0,    "status": "success",    "date": "2014-05-03",    "results": [        {            "currentCity": "北京",            "weather_data": [                {                    "date": "周六(今天, 实时：22℃)",                    "dayPictureUrl": "http://api.map.baidu.com/images/weather/day/leizhenyu.png",                    "nightPictureUrl": "http://api.map.baidu.com/images/weather/night/duoyun.png",                    "weather": "雷阵雨转多云",                    "wind": "北风5-6级",                    "temperature": "24 ~ 11℃"                },                {                    "date": "周日",                    "dayPictureUrl": "http://api.map.baidu.com/images/weather/day/duoyun.png",                    "nightPictureUrl": "http://api.map.baidu.com/images/weather/night/qing.png",                    "weather": "多云转晴",                    "wind": "北风4-5级",                    "temperature": "19 ~ 8℃"                },                {                    "date": "周一",                    "dayPictureUrl": "http://api.map.baidu.com/images/weather/day/qing.png",                    "nightPictureUrl": "http://api.map.baidu.com/images/weather/night/qing.png",                    "weather": "晴",                    "wind": "微风",                    "temperature": "21 ~ 9℃"                },                {                    "date": "周二",                    "dayPictureUrl": "http://api.map.baidu.com/images/weather/day/duoyun.png",                    "nightPictureUrl": "http://api.map.baidu.com/images/weather/night/qing.png",                    "weather": "多云转晴",                    "wind": "微风",                    "temperature": "21 ~ 10℃"                }            ]        }    ]}