【IT168 技术文档】

    因为发现AJAX目前跨域有点问题，只能在IE里面设置才可以使用，所以自己就写了个简单ASP的webService，其实作用就是一个小偷程序，把雅虎的天气抓了过来，然后生成XML。先从这里开始吧，以后会考虑添加数据库，这样客户端写好后读取速度就很快了。

    习惯了用JS写东西，一不小心ASP也全拿JS写的，呵呵，有时间再改成VB。我再鄙视他一下，FLASH是N年前就搞过的，时间虽然丢的有点长了，但是在AW的帮助，慢慢就会有所起色。

    总算平息了火，还算是又默默改变了一件事情。

    程序代码
<%@LANGUAGE="JavaScript" CODEPAGE="65001"%> 
<% 
Session.CodePage = "65001" 
Response.contentType="text/html" 
Response.Expires = 0 
var N=Request("n") 
var Num=Request("id") 
var url="http://xml.weather.yahoo.com/forecastrss?p="+N+"&u=c&id="+Num; 
var xmldoc=Server.CreateObject("Microsoft.Xmlhttp"); 
xmldoc.open('GET',url,false); 
xmldoc.send(null); 
var response = xmldoc.responseXML.documentElement; 
var lastNode=response.selectNodes("//rss/channel/lastBuildDate"); 
var cityNode=response.selectNodes("//rss/channel/yweather:location"); 
var windNode=response.selectNodes("//rss/channel/yweather:wind"); 
var atmosphereNode=response.selectNodes("//rss/channel/yweather:atmosphere"); 
var astronomyNode=response.selectNodes("//rss/channel/yweather:astronomy"); 
var conditionNode=response.selectNodes("//rss/channel/item/yweather:condition"); 
var forecastNode=response.selectNodes("//rss/channel/item/yweather:forecast"); 
var lastV=lastNode(0).firstChild.nodeValue 
//编辑属性 
function attri(a,b,c){ 
return a(b).attributes.getNamedItem(c).value 
} 
var cityV=attri(cityNode,0,"city") 
var chillV=attri(windNode,0,"chill") 
var directionV=attri(windNode,0,"direction") 
var speedV=attri(windNode,0,"speed") 
var humidityV=attri(atmosphereNode,0,"humidity") 
var visibilityV=attri(atmosphereNode,0,"visibility") 
var sunriseV=attri(astronomyNode,0,"sunrise") 
var sunsetV=attri(astronomyNode,0,"sunset") 
var textV=attri(conditionNode,0,"text") 
var codeV=attri(conditionNode,0,"code") 
var tempV=attri(conditionNode,0,"temp") 
//转换英文为中文 
var cityCH=EN2CH(cityV) 
function EN2CH(obj){ 
if(obj=="Wuhan"){return "武汉"} 
else if(obj=="Nanchang"){return "南昌"} 
else if(obj=="Haikou"){return "海口"} 
else if(obj=="Beijing"){return "北京"} 
else if(obj=="Shanghai"){return "上海"} 
else if(obj=="Guangzhou"){return "广州"} 
else if(obj=="Yinchuan"){return "银川"} 
else if(obj=="Zhengzhou"){return "郑州"} 
else if(obj=="Changsha"){return "长沙"} 
else if(obj=="Hanzhong"){return "杭州"} 
else if(obj=="Hong Kong"){return "香港"} 
else if(obj=="Xin'an"){return "西安"} 
else if(obj=="Chengdu"){return "成都"} 
else if(obj=="Qingdao"){return "青岛"} 
else if(obj=="Guiyang"){return "贵阳"} 
else if(obj=="Jinan"){return "济南"} 
else if(obj=="Hefei"){return "合肥"} 
else if(obj=="Fuzhou"){return "福州"} 
else if(obj=="Nanjing"){return "南京"} 
else{return obj} 
} 
//风向函数 
var windCH=wind(directionV) 
function wind(a){ 
if(a>337 && a<=360){return "北风"}; 
else if(a>=0 && a<=22){return "北风"}; 
else if(a>22 && a<=67){return "东北风"}; 
else if(a>67 && a<=112){return "东风"}; 
else if(a>112 && a<=157){return "东南风"}; 
else if(a>157 && a<=202){return "南风"}; 
else if(a>202 && a<=247){return "西南风"}; 
else if(a>247 && a<=292){return "西风"}; 
else if(a>292 && a<=337){return "西北风"}; 
} 
//能见度函数 
visibility=vis(visibilityV) 
function vis(a){ 
return a/100 
} 
//转换天气为中文 
var textCH=tEN2CH(textV) 
function tEN2CH(obj){ 
if(obj=="Clear"){return "晴朗"} 
else if(obj=="Sunny"){return "晴天"} 
else if(obj=="Partly Cloudy"){return "局部有云"} 
else if(obj=="Mostly Clear"){return "晴"} 
else if(obj=="Mostly Sunny"){return "小云"} 
else if(obj=="Mostly Cloudy"){return "多云"} 
else if(obj=="Cloudy"){return "云"} 
else if(obj=="Sunny/Wind"){return "晴转云"} 
else if(obj=="AM Clouds/PM Sun/Wind"){return "云转晴"} 
else if(obj=="AM Showers"){return "晨雨"} 
else{return obj} 
} 
//天气图片 
var weaNum=weaimg(codeV) 
function weaimg(obj){ 
return "<img src=\"http\://us\.i1\.yimg\.com/us\.yimg.com/i/us/we/52/"+obj+"\.gif\" />" 
} 
//星期替换 
function dayEn(obj){ 
if(obj=="Sun"){return "星期日"} 
else if(obj=="Mon"){return "星期一"} 
else if(obj=="Tue"){return "星期二"} 
else if(obj=="Wed"){return "星期三"} 
else if(obj=="Thu"){return "星期四"} 
else if(obj=="Fri"){return "星期五"} 
else if(obj=="Sat"){return "星期六"} 
else{return obj} 
} 
%> 
<table width="163" border="0" align="center" cellpadding="0" cellspacing="0"> 
<tr> 
<td rowspan="6" align="center"><%=cityCH%><br /> 
<%=weaNum%><br /> 
<%=textCH%></td> 
<td align="right">感觉：</td> 
<td align="center"><%=chillV%>°</td> 
</tr> 
<tr style="background-color:#E6F5FF"> 
<td align="right">实际：</td> 
<td align="center"><%=tempV%>°</td> 
</tr> 
<tr> 
<td align="right">风向：</td> 
<td align="center"><%=windCH%></td> 
</tr> 
<tr style="background-color:#E6F5FF"> 
<td align="right">风速：</td> 
<td align="center"><%=speedV%>Kph</td> 
</tr> 
<tr> 
<td align="right">湿度：</td> 
<td align="center"><%=humidityV%>%</td> 
</tr> 
<tr style="background-color:#E6F5FF"> 
<td align="right">能见度：</td> 
<td align="center"><%=visibility%>km</td> 
</tr> 
</table> 
<table width="163" border="0" align="center" cellpadding="0" cellspacing="0"> 
<tr> 
<td colspan="2" align="center" class="time"><%=lastV%></td> 
</tr> 
<tr> 
<td bgcolor="#FFFFCC">日出：<%=sunriseV%></td> 
<td bgcolor="#FFCC00">日落：<%=sunsetV%></td> 
</tr> 
</table> 
<table width="163" border="0" align="center" cellpadding="0" cellspacing="0"> 
<tr> 
<% 
for(var i=0; i<2; i++){ 
var dayV=attri(forecastNode,i,"day") 
var dateV=attri(forecastNode,i,"date") 
var lowV=attri(forecastNode,i,"low") 
var highV=attri(forecastNode,i,"high") 
var texttV=attri(forecastNode,i,"text") 
var codetV=attri(forecastNode,i,"code") 
var dayCH=dayEn(dayV) 
var texttCH=tEN2CH(texttV) 
var weabmp=weaimg(codetV) 
//var weatNum=weaimg(codetV) 
%> 
<td align="center"><%=dayCH%><br /><%=weabmp%><br /><%=texttCH%><br />最高<%=highV%>°<br />最低<%lowV%>°</td> 
<% 
} 
%> 
</tr> 
</table> 
</html>