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                ## 7.8\. 處理不存在的頁面 當你訪問/view/APageThatDoesntExist的時候會發生什么?程序將會崩潰。因為我們忽略了loadPage返回的錯誤。請求頁不存在的時候,應該重定向客戶端到編輯頁,這樣新的頁面將會創建。 ``` func viewHandler(w http.ResponseWriter, r *http.Request, title string) { p, err := loadPage(title) if err != nil { http.Redirect(w, r, "/edit/"+title, http.StatusFound) return } renderTemplate(w, "view", p) } ``` 函數http.Redirect添加HTTP狀態碼http.StatusFound (302)和報頭Location到HTTP響應。
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