64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package plugins
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import (
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"fmt"
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"github.com/gin-gonic/gin"
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"github/fthvgb1/wp-go/helper"
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"github/fthvgb1/wp-go/models"
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"regexp"
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"strings"
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"unicode/utf8"
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)
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var removeWpBlock = regexp.MustCompile("<!-- /?wp:.*-->")
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var more = regexp.MustCompile("<!--more(.*?)?-->")
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var tag = regexp.MustCompile(`<.*?>`)
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var limit = 300
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func ExceptRaw(str string, limit, id int) string {
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if r := more.FindString(str); r != "" {
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m := strings.Split(str, r)
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str = m[0]
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return ""
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}
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content := removeWpBlock.ReplaceAllString(str, "")
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content = strings.Trim(content, " \t\n\r\000\x0B")
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content = strings.Replace(content, "]]>", "]]>", -1)
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content = helper.StripTags(content, "<a><b><blockquote><br><cite><code><dd><del><div><dl><dt><em><h1><h2><h3><h4><h5><h6><i><img><li><ol><p><pre><span><strong><ul>")
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length := utf8.RuneCountInString(content) + 1
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if length > limit {
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start, l := 0, limit+1
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end := l
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for {
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txt := string([]rune(content)[start:end])
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count := 0
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for _, ints := range tag.FindAllStringIndex(txt, -1) {
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t := []rune(content[ints[0]:ints[1]])
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count += len(t)
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l += len(t)
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}
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if count > 0 && length > l {
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start = end
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end += count
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} else if count > 0 && length < l {
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break
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} else {
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content = string([]rune(content)[:end])
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content = fmt.Sprintf(`%s...<p class="read-more"><a href="/p/%d">继续阅读</a></p>`, content, id)
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break
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}
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}
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}
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return content
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}
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func Except(p *Plugin[models.WpPosts], c *gin.Context, post *models.WpPosts, scene uint) {
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if scene == Detail {
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return
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}
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post.PostContent = ExceptRaw(post.PostContent, limit, int(post.Id))
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}
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