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kevin
2026-06-21 19:29:42 +08:00
parent 4f6c24cc49
commit a84982e1f5
8 changed files with 320 additions and 6 deletions
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handlers/article.go
+135
View File
@@ -0,0 +1,135 @@
package handlers
import (
"net/http"
"regexp"
"strings"
"time"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
"go_blog/models"
"gorm.io/gorm"
)
// slugRe matches characters that are not URL-safe.
var slugRe = regexp.MustCompile(`[^a-z0-9\-]+`)
// generateSlug converts a title into a URL-friendly slug.
func generateSlug(title string) string {
s := strings.ToLower(title)
s = strings.ReplaceAll(s, " ", "-")
s = slugRe.ReplaceAllString(s, "")
s = strings.Trim(s, "-")
// Collapse multiple dashes.
s = regexp.MustCompile(`-{2,}`).ReplaceAllString(s, "-")
return s
}
// ArticleCreatePage renders the article creation form.
func ArticleCreatePage(db *gorm.DB) gin.HandlerFunc {
return func(c *gin.Context) {
tr := getTr(c)
data := DefaultData(c)
data["Title"] = tr["article_create_title"]
c.HTML(http.StatusOK, "article_create", data)
}
}
// ArticleCreate handles the POST request to create a new article.
func ArticleCreate(db *gorm.DB) gin.HandlerFunc {
return func(c *gin.Context) {
tr := getTr(c)
title := strings.TrimSpace(c.PostForm("title"))
content := strings.TrimSpace(c.PostForm("content"))
slug := strings.TrimSpace(c.PostForm("slug"))
summary := strings.TrimSpace(c.PostForm("summary"))
cover := strings.TrimSpace(c.PostForm("cover"))
statusStr := c.PostForm("status")
isTop := c.PostForm("is_top") == "1"
// Validate required fields.
if title == "" {
data := DefaultData(c)
data["Title"] = tr["article_create_title"]
data["Error"] = tr["article_title_required"]
data["FormTitle"] = title
data["FormSlug"] = slug
data["FormSummary"] = summary
data["FormContent"] = content
data["FormCover"] = cover
data["FormStatus"] = statusStr
c.HTML(http.StatusOK, "article_create", data)
return
}
if content == "" {
data := DefaultData(c)
data["Title"] = tr["article_create_title"]
data["Error"] = tr["article_content_required"]
data["FormTitle"] = title
data["FormSlug"] = slug
data["FormSummary"] = summary
data["FormContent"] = content
data["FormCover"] = cover
data["FormStatus"] = statusStr
c.HTML(http.StatusOK, "article_create", data)
return
}
// Auto-generate slug if empty.
if slug == "" {
slug = generateSlug(title)
}
// Parse status: default to draft (0).
status := models.ArticleDraft
if statusStr == "1" {
status = models.ArticlePublished
}
// Get author ID from session.
session := sessions.Default(c)
userID := session.Get("user_id")
if userID == nil {
c.Redirect(http.StatusFound, "/login")
return
}
var publishedAt *time.Time
if status == models.ArticlePublished {
now := time.Now()
publishedAt = &now
}
article := models.Article{
AuthorID: uint(userID.(int)),
Title: title,
Slug: slug,
Summary: summary,
Content: content,
Cover: cover,
Status: status,
IsTop: isTop,
PublishedAt: publishedAt,
}
if err := db.Create(&article).Error; err != nil {
data := DefaultData(c)
data["Title"] = tr["article_create_title"]
data["Error"] = tr["article_error"]
data["FormTitle"] = title
data["FormSlug"] = slug
data["FormSummary"] = summary
data["FormContent"] = content
data["FormCover"] = cover
data["FormStatus"] = statusStr
c.HTML(http.StatusOK, "article_create", data)
return
}
// Success: redirect to dashboard.
c.Redirect(http.StatusFound, "/admin")
}
}
i18n/i18n.go
+46 -4
View File
@@ -34,6 +34,7 @@ var translations = map[Lang]map[string]string{
"home_post2_dsc": "Blog posts will appear here once you start publishing from the admin dashboard.",
"home_post3_tit": "Built with Go",
"home_post3_dsc": "This blog engine uses Go, Gin web framework, GORM, and Tailwind CSS for a modern experience.",
"home_no_posts": "No published posts yet.",
// Login page
"login_title": "Sign In",
@@ -43,6 +44,7 @@ var translations = map[Lang]map[string]string{
"login_ph_pass": "Enter your password",
"login_submit": "Sign In",
"login_error": "Invalid username or password.",
"login_required": "Please fill in all fields.",
// Dashboard
"dash_title": "Dashboard",
@@ -91,6 +93,26 @@ var translations = map[Lang]map[string]string{
"crop_uploading": "Uploading...",
"crop_success": "Avatar updated.",
"crop_error": "Failed to upload avatar. Please try again.",
// Article creation
"article_create_title": "Create Article",
"article_title": "Title",
"article_slug": "Slug",
"article_slug_hint": "Auto-generated from title if empty",
"article_summary": "Summary",
"article_content": "Content",
"article_cover": "Cover Image URL",
"article_status": "Status",
"article_draft": "Draft",
"article_published": "Published",
"article_is_top": "Pin to top",
"article_save_draft": "Save Draft",
"article_publish": "Publish",
"article_created": "Article created successfully.",
"article_error": "Failed to create article.",
"article_new": "New Article",
"article_title_required": "Title is required.",
"article_content_required": "Content is required.",
},
ZH: {
// 导航
@@ -112,6 +134,7 @@ var translations = map[Lang]map[string]string{
"home_post2_dsc": "当你从后台管理面板发布文章后，博客文章将显示在这里。",
"home_post3_tit": "使用 Go 构建",
"home_post3_dsc": "此博客引擎使用 Go、Gin Web 框架、GORM 和 Tailwind CSS 构建，提供现代化的体验。",
"home_no_posts": "暂无已发布的文章。",
// 登录页
"login_title": "登录",
@@ -121,6 +144,7 @@ var translations = map[Lang]map[string]string{
"login_ph_pass": "请输入密码",
"login_submit": "登录",
"login_error": "用户名或密码错误。",
"login_required": "请填写所有字段。",
// 后台
"dash_title": "后台管理",
@@ -134,10 +158,8 @@ var translations = map[Lang]map[string]string{
// 页脚
"footer_text": "© 2026 Go Blog。由 Go & Gin 驱动。",
// 页面标题
"page_home": "首页",
"page_login": "登录",
"page_home": "首页",
"page_login": "登录",
// 语言切换
"lang_switch": "English",
@@ -169,6 +191,26 @@ var translations = map[Lang]map[string]string{
"crop_uploading": "上传中...",
"crop_success": "头像已更新。",
"crop_error": "头像上传失败，请重试。",
// 文章创建
"article_create_title": "新建文章",
"article_title": "标题",
"article_slug": "Slug",
"article_slug_hint": "留空则从标题自动生成",
"article_summary": "摘要",
"article_content": "正文",
"article_cover": "封面图 URL",
"article_status": "状态",
"article_draft": "草稿",
"article_published": "已发布",
"article_is_top": "置顶",
"article_save_draft": "保存草稿",
"article_publish": "发布",
"article_created": "文章创建成功。",
"article_error": "创建文章失败。",
"article_new": "新建文章",
"article_title_required": "标题不能为空。",
"article_content_required": "正文不能为空。",
},
}
main.go
+2
View File
@@ -56,6 +56,8 @@ func main() {
admin.Use(middleware.AuthRequired())
{
admin.GET("", handlers.AdminDashboard())
admin.GET("/articles/new", handlers.ArticleCreatePage(db))
admin.POST("/articles/new", handlers.ArticleCreate(db))
}
// Protected profile routes.
models/article.go
+38
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@@ -0,0 +1,38 @@
package models
import (
"time"
"gorm.io/gorm"
)
// Article status constants.
const (
ArticleDraft = 0 // 草稿
ArticlePublished = 1 // 已发布
ArticleArchived = 2 // 已归档
)
// Article represents a blog post.
type Article struct {
ID uint `gorm:"primarykey" json:"id"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
DeletedAt gorm.DeletedAt `gorm:"uniqueIndex:idx_slug_deleted_at" json:"deleted_at"`
AuthorID uint `gorm:"not null;index" json:"author_id"`
Title string `gorm:"not null;size:255" json:"title"`
Summary string `gorm:"size:512" json:"summary"`
Content string `gorm:"type:text;not null" json:"content"`
Cover string `gorm:"size:512" json:"cover"`
Status int `gorm:"default:0;index" json:"status"`
IsTop bool `gorm:"default:false" json:"is_top"`
ViewCount int `gorm:"default:0" json:"view_count"`
Slug string `gorm:"uniqueIndex:idx_slug_deleted_at;size:255" json:"slug"`
PublishedAt *time.Time `gorm:"index" json:"published_at"`
Author User `gorm:"foreignKey:AuthorID" json:"-"`
}
// TableName overrides the default GORM table name.
func (Article) TableName() string {
return "articles"
}
models/db.go
+2 -2
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@@ -44,8 +44,8 @@ func InitDB(cfg *config.Config) *gorm.DB {
log.Fatalf("Failed to connect to database: %v", err)
}
// Auto-migrate the User table (idempotent).
if err := db.AutoMigrate(&User{}); err != nil {
// Auto-migrate tables (idempotent).
if err := db.AutoMigrate(&User{}, &Article{}); err != nil {
log.Fatalf("Failed to auto-migrate database: %v", err)
}
models/user.go
+1
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@@ -33,6 +33,7 @@ type User struct {
Email string `gorm:"size:255" json:"email"`
Status int `gorm:"default:1" json:"status"`
Role string `gorm:"size:32;default:author" json:"role"`
Articles []Article `gorm:"foreignKey:AuthorID" json:"-"`
}
// SetPassword hashes the plain-text password with bcrypt and stores it.
templates/admin/article_create.html
+94
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@@ -0,0 +1,94 @@
{{define "article_create"}}
{{template "header" .}}
<section class="max-w-3xl mx-auto px-4 py-10">
<h2 class="text-2xl font-bold text-gray-900 mb-8">{{index .Tr "article_create_title"}}</h2>
{{if .Error}}
<div class="bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-lg mb-6 text-sm">
{{.Error}}
</div>
{{end}}
<form action="/admin/articles/new" method="post" class="space-y-6">
<!-- Title -->
<div>
<label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_title"}}</label>
<input type="text" name="title" value="{{.FormTitle}}"
class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors"
placeholder="{{index .Tr "article_title"}}">
</div>
<!-- Slug -->
<div>
<label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_slug"}}</label>
<input type="text" name="slug" value="{{.FormSlug}}"
class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors"
placeholder="{{index .Tr "article_slug_hint"}}">
<p class="text-xs text-gray-400 mt-1">{{index .Tr "article_slug_hint"}}</p>
</div>
<!-- Summary -->
<div>
<label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_summary"}}</label>
<textarea name="summary" rows="3"
class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors resize-y"
placeholder="{{index .Tr "article_summary"}}">{{.FormSummary}}</textarea>
</div>
<!-- Content (EasyMDE Markdown Editor) -->
<div>
<label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_content"}}</label>
<textarea id="articleContent" name="content">{{.FormContent}}</textarea>
</div>
<!-- Cover -->
<div>
<label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_cover"}}</label>
<input type="text" name="cover" value="{{.FormCover}}"
class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors"
placeholder="https://...">
</div>
<!-- IsTop -->
<div class="flex items-center gap-2">
<input type="checkbox" name="is_top" value="1" id="isTopCheckbox"
class="w-4 h-4 text-blue-600 border-gray-300 rounded focus:ring-blue-500">
<label for="isTopCheckbox" class="text-sm font-medium text-gray-700">{{index .Tr "article_is_top"}}</label>
</div>
<!-- Submit Buttons -->
<div class="flex gap-3">
<button type="submit" name="status" value="0"
class="px-6 py-3 bg-gray-200 text-gray-700 rounded-lg font-medium hover:bg-gray-300 transition-colors cursor-pointer">
{{index .Tr "article_save_draft"}}
</button>
<button type="submit" name="status" value="1"
class="px-6 py-3 bg-blue-600 text-white rounded-lg font-medium hover:bg-blue-700 transition-colors cursor-pointer">
{{index .Tr "article_publish"}}
</button>
</div>
</form>
</section>
{{template "footer" .}}
<script>
var easyMDE = new EasyMDE({
element: document.getElementById('articleContent'),
spellChecker: false,
autosave: { enabled: false },
placeholder: '{{index .Tr "article_content"}}',
toolbar: [
'bold', 'italic', 'heading', '|',
'quote', 'unordered-list', 'ordered-list', '|',
'link', 'image', 'code', 'table', '|',
'preview', 'side-by-side', 'fullscreen', '|',
'guide'
],
status: false,
minHeight: '300px'
});
</script>
{{end}}
templates/layouts/base.html
+2
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@@ -8,6 +8,8 @@
<script src="https://cdn.tailwindcss.com"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/cropperjs/1.6.2/cropper.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/cropperjs/1.6.2/cropper.min.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/easymde/dist/easymde.min.css">
<script src="https://cdn.jsdelivr.net/npm/easymde/dist/easymde.min.js"></script>
</head>
<body class="bg-gray-50 min-h-screen flex flex-col">
<!-- Navigation -->