s a = "这里输入网址"
s id=这里是显示文本id
t()
{
hs(a, null, null, b)
s o = "这里是截取html代码前"
s c = "这里是截取html代码后"
sj(b, o, c, d)
s g="(html)"
ss(g + d,cv)
us(id,"text",cv)
}