mirror of https://github.com/mindoc-org/mindoc.git
57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package utils
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import (
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"regexp"
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"strings"
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)
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func StripTags(s string) string {
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//将HTML标签全转换成小写
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re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
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src := re.ReplaceAllStringFunc(s, strings.ToLower)
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//去除STYLE
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re, _ = regexp.Compile("\\<style[\\S\\s]+?\\</style\\>")
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src = re.ReplaceAllString(src, "")
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//去除SCRIPT
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re, _ = regexp.Compile("\\<script[\\S\\s]+?\\</script\\>")
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src = re.ReplaceAllString(src, "")
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//去除所有尖括号内的HTML代码，并换成换行符
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re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
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src = re.ReplaceAllString(src, "\n")
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//去除连续的换行符
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re, _ = regexp.Compile("\\s{2,}")
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src = re.ReplaceAllString(src, "\n")
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return src
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}
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//自动提取文章摘要
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func AutoSummary(body string,l int) string {
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//匹配图片，如果图片语法是在代码块中，这里同样会处理
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re := regexp.MustCompile(`<p>(.*?)</p>`)
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contents := re.FindAllString(body, -1)
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if len(contents) <= 0 {
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return ""
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}
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content := ""
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for _,s := range contents {
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b := strings.Replace(StripTags(s),"\n","", -1)
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if l <= 0 {
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break
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}
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l = l - len([]rune(b))
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content += b
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}
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return content
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}
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