216 lines
6.6 KiB
Go
216 lines
6.6 KiB
Go
package controllers
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import (
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"fmt"
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"net/url"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"server/models"
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"server/pkg/tagengine"
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"github.com/beego/beego/v2/client/orm"
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beego "github.com/beego/beego/v2/server/web"
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)
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// TenantSiteController 租户官网前台渲染（Go 直出 HTML，无需登录）
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// 路由：GET / | /news | /news/:id | /page/:path
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type TenantSiteController struct {
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beego.Controller
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}
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// siteNotFoundPage 未匹配域名的提示页
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const siteNotFoundPage = `<!DOCTYPE html>
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<html lang="zh-CN">
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<head><meta charset="utf-8"><title>站点不存在</title>
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<style>body{font-family:"Microsoft YaHei",sans-serif;background:#f5f6f8;color:#333;display:flex;align-items:center;justify-content:center;height:100vh;margin:0}
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.box{background:#fff;padding:48px 64px;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.06);text-align:center}
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h1{font-size:22px;margin:0 0 12px}p{color:#888;font-size:14px;margin:0}</style></head>
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<body><div class="box"><h1>站点不存在</h1><p>当前域名未绑定任何租户官网，请检查域名配置。</p></div></body>
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</html>`
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// renderErrorPage 渲染失败的兜底页
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const renderErrorPage = `<!DOCTYPE html>
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<html lang="zh-CN">
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<head><meta charset="utf-8"><title>页面异常</title>
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<style>body{font-family:"Microsoft YaHei",sans-serif;background:#f5f6f8;color:#333;display:flex;align-items:center;justify-content:center;height:100vh;margin:0}
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.box{background:#fff;padding:48px 64px;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.06);text-align:center}
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h1{font-size:22px;margin:0 0 12px}p{color:#888;font-size:14px;margin:0}</style></head>
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<body><div class="box"><h1>页面暂时无法访问</h1><p>%s</p></div></body>
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</html>`
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// resolveTid 按访问 Host 识别租户 ID。
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// 规则：dev 环境支持 X-Tenant-ID 头切换 → localhost/127.0.0.1 默认租户 1
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// → 平台主域名池命中返回租户 1（平台站点）→ 租户域名表命中返回对应 tid
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// → 全部未命中返回 0,false（不再默认回落租户 1）
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func (c *TenantSiteController) resolveTid() (uint64, bool) {
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runmode, _ := beego.AppConfig.String("runmode")
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if runmode == "dev" {
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if h := strings.TrimSpace(c.Ctx.Request.Header.Get("X-Tenant-ID")); h != "" {
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if decoded, err := url.QueryUnescape(h); err == nil {
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h = decoded
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}
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if n, err := strconv.ParseUint(h, 10, 64); err == nil && n > 0 {
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return n, true
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}
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var tenant models.SystemTenant
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cond := orm.NewCondition().Or("tenant_name", h).Or("tenant_short_name", h)
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if err := models.Orm.QueryTable(new(models.SystemTenant)).SetCond(cond).One(&tenant); err == nil {
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return tenant.ID, true
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}
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}
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}
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host := c.Ctx.Request.Host
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if idx := strings.Index(host, ":"); idx > 0 {
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host = host[:idx]
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}
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if host == "localhost" || host == "127.0.0.1" {
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return 1, true
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}
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// 平台主域名池命中 → 平台站点（tid 1 + 默认模板）
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poolCnt, _ := models.Orm.QueryTable(new(models.SystemDomainPool)).
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Filter("main_domain", host).
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Filter("status", 1).
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Filter("delete_time__isnull", true).
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Count()
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if poolCnt > 0 {
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return 1, true
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}
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var td models.SystemTenantDomain
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err := models.Orm.QueryTable(new(models.SystemTenantDomain)).
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Filter("full_domain", host).
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Filter("status", 1).
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Filter("delete_time__isnull", true).
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One(&td)
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if err == nil && td.Tid != nil && *td.Tid > 0 {
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return *td.Tid, true
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}
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return 0, false
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}
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// resolveTemplateCode 解析租户选用模板编码，缺失/停用/目录不存在均回退 default
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func (c *TenantSiteController) resolveTemplateCode(tid uint64) string {
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code := strings.TrimSpace(cmsTenantTemplateCode(tid))
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if code != "" && code != "default" {
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cnt, _ := models.Orm.QueryTable(new(models.CmsFrontendTemplate)).
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Filter("code", code).
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Filter("status", 1).
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Filter("delete_time__isnull", true).
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Count()
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if cnt == 0 {
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code = ""
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}
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}
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if code == "" {
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code = "default"
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}
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if !cmsTemplateDirExists(code) {
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code = "default"
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}
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return code
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}
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// writeHTML 直出 HTML
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func (c *TenantSiteController) writeHTML(status int, html string) {
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c.Ctx.Output.SetStatus(status)
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c.Ctx.Output.Header("Content-Type", "text/html; charset=utf-8")
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c.Ctx.WriteString(c.forceHTTPSStorageURLs(html))
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}
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// forceHTTPSStorageURLs 访客以 HTTPS 访问站点时，把页面中存储（CDN）域名的
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// http:// 资源升级为 https://，避免混合内容（Mixed Content）被浏览器拦截。
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// 仅替换存储配置里那个域名，不动正文里的其他外部链接。
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func (c *TenantSiteController) forceHTTPSStorageURLs(html string) string {
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proto := c.Ctx.Input.Header("X-Forwarded-Proto")
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if proto == "" && c.Ctx.Input.IsSecure() {
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proto = "https"
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}
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if proto != "https" {
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return html
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}
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cfg, err := models.GetStorageConfig()
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if err != nil || strings.TrimSpace(cfg.QiniuDomain) == "" {
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return html
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}
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host := strings.TrimSpace(cfg.QiniuDomain)
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host = strings.TrimPrefix(host, "http://")
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host = strings.TrimPrefix(host, "https://")
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host = strings.TrimRight(host, "/")
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if host == "" {
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return html
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}
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return strings.ReplaceAll(html, "http://"+host, "https://"+host)
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}
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// render 解析并输出模板文件
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func (c *TenantSiteController) render(file string, mod func(ctx *tagengine.RenderCtx)) {
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tid, ok := c.resolveTid()
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if !ok {
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c.writeHTML(404, siteNotFoundPage)
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return
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}
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code := c.resolveTemplateCode(tid)
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dir := filepath.Join(cmsThemesRoot(), code)
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if _, err := os.Stat(filepath.Join(dir, file)); err != nil {
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c.writeHTML(404, fmt.Sprintf(renderErrorPage, "模板页面不存在"))
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return
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}
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ctx := &tagengine.RenderCtx{Tid: tid, Page: 1, PageSize: 10}
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if mod != nil {
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mod(ctx)
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}
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out, err := tagengine.Render(dir, file, ctx)
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if err != nil {
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c.writeHTML(500, fmt.Sprintf(renderErrorPage, "模板渲染失败"))
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return
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}
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c.writeHTML(200, out)
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}
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// Index GET / 首页
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func (c *TenantSiteController) Index() {
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c.render("index.html", nil)
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}
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// News GET /news 新闻列表页（?page=N 分页）
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func (c *TenantSiteController) News() {
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page, _ := c.GetInt("page", 1)
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if page < 1 {
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page = 1
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}
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c.render("news.html", func(ctx *tagengine.RenderCtx) {
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ctx.Page = page
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})
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}
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// NewsDetail GET /news/:id 文章详情页
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func (c *TenantSiteController) NewsDetail() {
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id, _ := c.GetUint64(":id")
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if id == 0 {
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c.writeHTML(404, fmt.Sprintf(renderErrorPage, "文章不存在"))
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return
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}
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c.render("news_detail.html", func(ctx *tagengine.RenderCtx) {
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ctx.ArticleID = id
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})
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}
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// Page GET /page/:path 单页
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func (c *TenantSiteController) Page() {
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path := strings.TrimSpace(c.GetString(":path"))
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if path == "" || strings.ContainsAny(path, "/\\.") {
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c.writeHTML(404, fmt.Sprintf(renderErrorPage, "页面不存在"))
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return
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}
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c.render("page.html", func(ctx *tagengine.RenderCtx) {
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ctx.PagePath = path
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})
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}
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