func trimHtml(src string) string {
//将HTML标签全转换成小写
re, _ := regexp.Compile("\")
src = re.ReplaceAllStringFunc(src, strings.ToLower)
//去除STYLE
re, _ = regexp.Compile("\
src = re.ReplaceAllString(src, "")
//去除SCRIPT
re, _ = regexp.Compile("\
src = re.ReplaceAllString(src, "")
//去除所有尖括号内的HTML代码,并换成换行符
re, _ = regexp.Compile("\<[\S\s]+?\>")
src = re.ReplaceAllString(src, "n")
//去除连续的换行符
re, _ = regexp.Compile("\s{2,}")
src = re.ReplaceAllString(src, "n")
return strings.TrimSpace(src)
}