Licensed under: MIT
提供一个从 weather.com.cn 上根据城市接口取天气信息的方法。如果只是小网站引用，不考虑搞挂中国天气网的话，可以直接在这里选择一个官方提供的 iframe 页，如果是像 hao123 这样的大网站，你可能需要这些资源：
i18n # 中国以外城市的代码
index.php # 演示页
weather.php # iframe 缓存页
weather_code.php # 中国城市代码（最主要代码）API 接口 http://m.weather.com.cn/data/城市代码.html，请求结果是一个 JSON 对象：
{
"weatherinfo": {
"city": "北京",
"city_en": "beijing",
"date_y": "2012年9月30日",
"date": "",
"week": "星期日",
"fchh": "11",
"cityid": "101010100",
"temp1": "25℃~11℃",
"temp2": "26℃~14℃",
"temp3": "26℃~15℃",
"temp4": "25℃~12℃",
"temp5": "25℃~12℃",
"temp6": "24℃~13℃",
"tempF1": "77℉~51.8℉",
"tempF2": "78.8℉~57.2℉",
"tempF3": "78.8℉~59℉",
"tempF4": "77℉~53.6℉",
"tempF5": "77℉~53.6℉",
"tempF6": "75.2℉~55.4℉",
"weather1": "晴",
"weather2": "晴转多云",
"weather3": "多云转阴",
"weather4": "晴",
"weather5": "晴转阴",
"weather6": "阴转多云",
"img1": "0",
"img2": "99",
"img3": "0",
"img4": "1",
"img5": "1",
"img6": "2",
"img7": "0",
"img8": "99",
"img9": "0",
"img10": "2",
"img11": "2",
"img12": "1",
"img_single": "0",
"img_title1": "晴",
"img_title2": "晴",
"img_title3": "晴",
"img_title4": "多云",
"img_title5": "多云",
"img_title6": "阴",
"img_title7": "晴",
"img_title8": "晴",
"img_title9": "晴",
"img_title10": "阴",
"img_title11": "阴",
"img_title12": "多云",
"img_title_single": "晴",
"wind1": "微风",
"wind2": "微风",
"wind3": "微风转北风3-4级",
"wind4": "北风3-4级转微风",
"wind5": "微风",
"wind6": "微风",
"fx1": "微风",
"fx2": "微风",
"fl1": "小于3级",
"fl2": "小于3级",
"fl3": "小于3级转3-4级",
"fl4": "3-4级转小于3级",
"fl5": "小于3级",
"fl6": "小于3级",
"index": "暖",
"index_d": "较凉爽，建议着长袖衬裤等春秋过渡装。体弱者宜着长袖衬衫和马甲。但昼夜温差较大，请适当增减衣服。",
"index48": "暖",
"index48_d": "较凉爽，建议着长袖衬裤等春秋过渡装。体弱者宜着长袖衬衫和马甲。但昼夜温差较大，请适当增减衣服。",
"index_uv": "强",
"index48_uv": "强",
"index_xc": "适宜",
"index_tr": "适宜",
"index_co": "较舒适",
"st1": "24",
"st2": "11",
"st3": "25",
"st4": "15",
"st5": "26",
"st6": "12",
"index_cl": "适宜",
"index_ls": "适宜",
"index_ag": "极易发"
}
}