全国天气查询接口：
根据城市名称刻查询到该城市的天气情况，湿度，温度，穿衣指数等
详情：http://www.haoservice.com/docs/6
示例演示：
{
"resultcode": "200",
"reason": "查询成功!",
"result": {
"sk": {
/*当前实况天气*/"temp": "21",
/*当前温度*/"wind_direction": "西风",
/*当前风向*/"wind_strength": "2级",
/*当前风力*/"humidity": "4%",
/*当前湿度*/"time": "14:25"/*更新时间*/
},
"today": {
"city": "天津",
"date_y": "2014年03月21日",
"week": "星期五",
"temperature": "8℃~20℃",
/*今日温度*/"weather": "晴转霾",
/*今日天气*/"weather_id": {
/*天气唯一标识*/"fa": "00",
/*天气标识00：晴*/"fb": "53"/*天气标识53：霾如果fa不等于fb，说明是组合天气*/
},
"wind": "西南风微风",
"dressing_index": "较冷",
/*穿衣指数*/"dressing_advice": "建议着大衣、呢外套加毛衣、卫衣等服装。",
/*穿衣建议*/"uv_index": "中等",
/*紫外线强度*/"comfort_index": "",
/*舒适度指数*/"wash_index": "较适宜",
/*洗车指数*/"travel_index": "适宜",
/*旅游指数*/"exercise_index": "较适宜",
/*晨练指数*/"drying_index": ""/*干燥指数*/
},
"future": {
/*未来几天天气*/"day_20140321": {
"temperature": "8℃~20℃",
"weather": "晴转霾",
"weather_id": {
"fa": "00",
"fb": "53"
},
"wind": "西南风微风",
"week": "星期五",
"date": "20140321"
},
"day_20140322": {
"temperature": "9℃~21℃",
"weather": "霾转多云",
"weather_id": {
"fa": "53",
"fb": "01"
},
"wind": "东北风微风转东南风微风",
"week": "星期六",
"date": "20140322"
},
"day_20140323": {
"temperature": "9℃~19℃",
"weather": "阴",
"weather_id": {
"fa": "02",
"fb": "02"
},
"wind": "南风微风",
"week": "星期日",
"date": "20140323"
},
"day_20140324": {
"temperature": "8℃~19℃",
"weather": "晴转多云",
"weather_id": {
"fa": "00",
"fb": "01"
},
"wind": "西南风微风转南风微风",
"week": "星期一",
"date": "20140324"
},
"day_20140325": {
"temperature": "9℃~20℃",
"weather": "多云",
"weather_id": {
"fa": "01",
"fb": "01"
},
"wind": "南风微风",
"week": "星期二",
"date": "20140325"
},
"day_20140326": {
"temperature": "10℃~19℃",
"weather": "多云",
"weather_id": {
"fa": "01",
"fb": "01"
},
"wind": "南风微风",
"week": "星期三",
"date": "20140326"
},
"day_20140327": {
"temperature": "11℃~20℃",
"weather": "阴转多云",
"weather_id": {
"fa": "02",
"fb": "01"
},
"wind": "南风微风转无持续风向微风",
"week": "星期四",
"date": "20140327"
}
}
}
}