使文章“过时”

theme/blog/styles/content.scss

@@ -231,3 +231,20 @@ blockquote {
 	h5::before { content: "##### ";}
 	h6::before { content: "###### ";}
 }
+
+.content-wrap {
+	.disclaimer {
+		display: none;
+	}
+	&.outdated {
+		> .content {
+			display: none;
+		}
+		> .disclaimer {
+			display: block;
+			text-align: center;
+			line-height: 4em;
+			font-size: 1.3em;
+		}
+	}
+}

theme/blog/templates/post.html

@@ -22,10 +22,22 @@ <h1 class="title clearfix"><a href="{{ .Link }}">{{ .Title }}</a></h1>
 		{{ end }}
 		<span>阅读次数：<span class="view">{{ .PageView }}</span></span>
 	</div>
+{{ if .Outdated }}
+<div class="content-wrap outdated">
+{{ else }}
+<div class="content-wrap">
+{{ end }}
+<div class="content">
 {{raw `<!--article begins here-->`}}
 {{ .Content }}
 {{raw `<!--article ends here-->`}}
-    </div><!-- end entry -->
+</div>
+<div class="disclaimer">
+	<p>这篇文章的内容已被作者标记为“过时”/“需要更新”/“不具参考意义”。</p>
+	<button onclick="document.getElementsByClassName('content-wrap')[0].classList.remove('outdated');">仍然查看</button>
+</div>
+</div>
+	</div><!-- end entry -->
 	{{if .Tags}}
 	<div class="meta2 clearfix">
 		<p><b>标签：</b><span class="value">{{.TagsString}}</span></p>

theme/data/post.go

@@ -96,3 +96,10 @@ func (p *Post) CustomFooter() (footer string) {
 	}
 	return
 }
+
+func (p *Post) Outdated() bool {
+	if value, ok := p.Metas[`outdated`]; ok && (value == `true` || value == `1`) {
+		return true
+	}
+	return false
+}