265根据IP显示天气预报代码：
<table align=center><tr><td><iframe src="http://weather.265.com/weather.htm"

width="168" height="54" frameborder="no" border="0" marginwidth="0"

marginheight="0" scrolling="no">
</iframe>
</td></tr></table>

QQ腾讯根据IP显示天气预报代码：
<table align=center><tr><td><iframe SRC='http://weather.qq.com/inc/ss258.htm'

id='ifm2' WIDTH='189' HEIGHT='190' ALIGN='CENTER' MARGINWIDTH='0' MARGINHEIGHT='0'

HSPACE='0' VSPACE='0' FRAMEBORDER='0' SCROLLING='NO'></iframe>
</td></tr></table>

QQ腾讯根据IP显示天气预报代码：
<table align=center><tr><td><iframe SRC="http://weather.qq.com/24.htm" id='ifm1'

WIDTH='405' HEIGHT='332' ALIGN='center' MARGINWIDTH='0' MARGINHEIGHT='0' HSPACE='0'

VSPACE='0' FRAMEBORDER='0' SCROLLING='NO'></iframe></td></tr></table>

QQ天气预报代码：
<table align=center><tr><td><IFRAME ID='ifm2' WIDTH='189' HEIGHT='190'

ALIGN='CENTER' MARGINWIDTH='0' MARGINHEIGHT='0' HSPACE='0' VSPACE='0'

FRAMEBORDER='0' SCROLLING='NO' SRC='http://weather.qq.com/inc/ss258.htm'></IFRAME>
</td></tr></table>

新浪天气预报代码：
<table align=center><tr><td><IFRAME ID='ifm2' WIDTH='260' HEIGHT='70'

ALIGN='CENTER' MARGINWIDTH='0' MARGINHEIGHT='0' HSPACE='0' VSPACE='0'

FRAMEBORDER='0' SCROLLING='NO'

src="http://news.sina.com.cn/iframe/weather/130101.html"></iframe>
</td></tr></table>

上面天气预报代码效果预览