package main
import (
"fmt"
"io/ioutil"
"os"
"regexp"
"strings"
)
func main() {
if len(os.Args) == 1 {
fmt.Println("请输入参 数")
return
}
b, err := ioutil.ReadFile(os.Args[1])
if err != nil {
println("readfile error")
return
}
str := string(b)
fmt.Println(trimHtml(str))
}
func trimHtml(src string) string {
//将HTML标签全转换成小写
re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
src = re.ReplaceAllStringFunc(src, strings.ToLower)
//去除STYLE
re, _ = regexp.Compile("\\<style[\\S\\s]+?\\</style\\>")
src = re.ReplaceAllString(src, "")
//去除SCRIPT
re, _ = regexp.Compile("\\<script[\\S\\s]+?\\</script\\>")
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)
}
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