创建主题修改成从现有主题作为模板。

handlers/theme.go

@@ -109,9 +109,8 @@ func SwitchTheme(c *gin.Context) {
 // 创建新主题
 func CreateTheme(c *gin.Context) {
 	type Request struct {
-		Name      string `json:"name" binding:"required"`
-		Template  string `json:"template"`
-		CreateCSS bool   `json:"create_css"`
+		Name     string `json:"name" binding:"required"`
+		Template string `json:"template"`
 	}
 
 	var req Request
@@ -154,151 +153,39 @@ func CreateTheme(c *gin.Context) {
 		return
 	}
 
-	// 如果指定了模板，复制模板文件
-	if req.Template != "" && req.Template != "blank" {
-		templateSrc := filepath.Join("templates", req.Template)
-		if _, err := os.Stat(templateSrc); err == nil {
-			// 复制模板文件
-			files := []string{"base.html", "index.html", "post.html", "page.html"}
-			for _, file := range files {
-				srcFile := filepath.Join(templateSrc, file)
-				dstFile := filepath.Join(themePath, file)
-				if data, err := os.ReadFile(srcFile); err == nil {
-					os.WriteFile(dstFile, data, 0644)
-				}
-			}
-		}
-	} else {
-		// 创建空白模板
-		baseHTML := `<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>{{.Title}} - {{.SiteName}}</title>
-    <meta name="description" content="{{.Description}}">
-    <link rel="icon" href="/static/images/favicon.ico" type="image/x-icon">
-    <link rel="stylesheet" href="/static/css/{{.Name}}.css">
-</head>
-<body>
-    <header class="header">
-        <div class="container">
-            <h1 class="site-title">
-                <a href="/">{{.SiteName}}</a>
-            </h1>
-            <p class="site-desc">{{.SiteDesc}}</p>
-            <nav class="main-nav">
-                <a href="/">首页</a>
-                {{range .Pages}}
-                <a href="/page/{{.Slug}}">{{.Title}}</a>
-                {{end}}
-            </nav>
-        </div>
-    </header>
-
-    <main class="main container">
-        {{template "content" .}}
-    </main>
-
-    <footer class="footer">
-        <div class="container">
-            <p>&copy; {{.Year}} {{.SiteName}}. Powered by GoBlog.</p>
-        </div>
-    </footer>
-</body>
-</html>
-`
-		os.WriteFile(filepath.Join(themePath, "base.html"), []byte(baseHTML), 0644)
-		os.WriteFile(filepath.Join(themePath, "index.html"), []byte(`{{define "content"}}
-<div class="post-list">
-    <h2>欢迎来到我的博客</h2>
-    <p>这是一个新主题</p>
-</div>
-{{end}}
-`), 0644)
-		os.WriteFile(filepath.Join(themePath, "post.html"), []byte(`{{define "content"}}
-<article class="post-detail">
-    <h1>{{.Post.Title}}</h1>
-    <div class="post-body">
-        {{.Post.Content | html}}
-    </div>
-</article>
-{{end}}
-`), 0644)
-		os.WriteFile(filepath.Join(themePath, "page.html"), []byte(`{{define "content"}}
-<article class="page-detail">
-    <h1>{{.Page.Title}}</h1>
-    <div class="page-body">
-        {{.Page.Content | html}}
-    </div>
-</article>
-{{end}}
-`), 0644)
+	// 创建新主题时必须选择已有主题作为模板
+	if req.Template == "" || req.Template == "blank" {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": "必须选择一个已有主题作为模板",
+		})
+		return
 	}
 
-	// 创建 CSS 文件
-	if req.CreateCSS {
-		cssPath := filepath.Join("static", "css", req.Name+".css")
-		os.MkdirAll(filepath.Dir(cssPath), 0755)
+	// 验证所选模板是否存在并复制模板文件
+	templateSrc := filepath.Join("templates", req.Template)
+	if _, err := os.Stat(templateSrc); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": "所选模板不存在",
+		})
+		return
+	}
 
-		cssContent := `/* ` + req.Name + ` Theme */
-/* 在此添加你的样式 */
+	// 复制模板文件
+	files := []string{"base.html", "index.html", "post.html", "page.html"}
+	for _, file := range files {
+		srcFile := filepath.Join(templateSrc, file)
+		dstFile := filepath.Join(themePath, file)
+		if data, err := os.ReadFile(srcFile); err == nil {
+			os.WriteFile(dstFile, data, 0644)
+		}
+	}
 
-body {
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
-    margin: 0;
-    padding: 0;
-}
-
-.container {
-    max-width: 1200px;
-    margin: 0 auto;
-    padding: 0 20px;
-}
-
-.header {
-    background: #fff;
-    padding: 20px 0;
-    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
-}
-
-.site-title {
-    margin: 0;
-}
-
-.site-title a {
-    color: #333;
-    text-decoration: none;
-}
-
-.site-desc {
-    color: #666;
-    margin: 10px 0 0;
-}
-
-.main-nav {
-    margin-top: 15px;
-}
-
-.main-nav a {
-    margin-right: 15px;
-    color: #666;
-    text-decoration: none;
-}
-
-.main {
-    padding: 30px 0;
-    min-height: 500px;
-}
-
-.footer {
-    background: #f5f5f5;
-    padding: 20px 0;
-    text-align: center;
-    color: #999;
-}
-`
-		os.WriteFile(cssPath, []byte(cssContent), 0644)
+	// 复制模板的 CSS 文件
+	templateCSS := filepath.Join("static", "css", req.Template+".css")
+	if data, err := os.ReadFile(templateCSS); err == nil {
+		dstCSS := filepath.Join("static", "css", req.Name+".css")
+		os.MkdirAll(filepath.Dir(dstCSS), 0755)
+		os.WriteFile(dstCSS, data, 0644)
 	}
 
 	c.JSON(http.StatusOK, gin.H{