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fix: 拆除爬虫专用 HTML，并补齐 /favicon.ico 与 head 图标注入

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人机统一走 SPA/首页 SSR；约定路径与 link rel=icon 便于爬虫识别站点图标。

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
姜十三
2026-09-01 07:15:06 +08:00
parent cf7a37eccc
commit 4ca5c17e2e
6 changed files with 50 additions and 200 deletions
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12
embed_static/embed.go
View File

@@ -14,9 +14,10 @@ import (
var staticFS embed.FS
var (
spaTitleRe = regexp.MustCompile(`(?s)<title>.*?</title>`)
spaBrandTitleFn func() string
spaBrandJSONFn func() []byte // 站点品牌 JSON，注入 window.__J13_BRANDING__
spaTitleRe = regexp.MustCompile(`(?s)<title>.*?</title>`)
spaBrandTitleFn func() string
spaBrandJSONFn func() []byte // 站点品牌 JSON，注入 window.__J13_BRANDING__
spaBrandFaviconFn func() string // 站点 Favicon URL，注入 <link rel="icon">
)
// SetSPADocumentTitle 注册站点标题提供者，ServeSPA 会注入到入口 HTML，避免刷新闪烁
@@ -29,6 +30,11 @@ func SetSPABrandingJSON(fn func() []byte) {
spaBrandJSONFn = fn
}
// SetSPAFaviconURL 注册 Favicon URL 提供者，注入到入口 HTML 的 <link rel="icon">
func SetSPAFaviconURL(fn func() string) {
spaBrandFaviconFn = fn
}
// SetupEmbed 配置内嵌资源：React SPA 静态资源
func SetupEmbed(r *gin.Engine) error {
if sub, err := fs.Sub(staticFS, "static/spa/assets"); err == nil {

14
embed_static/spa_meta.go
View File

@@ -62,13 +62,17 @@ func applySPAPageMeta(data []byte, meta *SPAPageMeta) []byte {
data = spaTitleRe.ReplaceAll(data, []byte("<title>"+escaped+"</title>"))
}
// —— 静态 SEO HTML（meta / OG / JSON-LD），紧跟 </title>，不经 JS ——
// —— 静态 SEO HTML（meta / OG / JSON-LD / favicon），紧跟 </title>，不经 JS ——
var seo strings.Builder
writeMeta(&seo, "description", meta.Description)
writeMeta(&seo, "keywords", meta.Keywords)
if canonical := strings.TrimSpace(meta.Canonical); canonical != "" {
seo.WriteString(`<link rel="canonical" href="` + html.EscapeString(canonical) + `"/>`)
}
if favicon := spaFaviconHref(); favicon != "" {
seo.WriteString(`<link rel="icon" href="` + html.EscapeString(favicon) + `"/>`)
seo.WriteString(`<link rel="shortcut icon" href="` + html.EscapeString(favicon) + `"/>`)
}
robots := strings.TrimSpace(meta.Robots)
if robots != "" {
writeMeta(&seo, "robots", robots)
@@ -187,3 +191,11 @@ func firstNonEmpty(vals ...string) string {
}
return ""
}
// spaFaviconHref 当前站点配置的 Favicon（相对或绝对 URL）
func spaFaviconHref() string {
if spaBrandFaviconFn == nil {
return ""
}
return strings.TrimSpace(spaBrandFaviconFn())
}