> For the complete documentation index, see [llms.txt](https://overleaf-pro.ayaka.space/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://overleaf-pro.ayaka.space/latex/zh-tw/wen-yu-da/59-i-have-a-lot-of-.cls-.sty-.bst-files-and-i-want-to-put-them-in-a-folder-to-keep-my-project-unclut.md).

# 我有很多 .cls、.sty、.bst 檔案，想把它們放進資料夾以保持專案整潔。但我的專案無法找到它們來正確編譯

好消息是，我們可以指定自訂 `TEXINPUTS` 目錄，使用 `latexmkrc` 檔案，因此 Overleaf 就知道它需要在該目錄中搜尋套件檔案。

要這麼做，假設你已經把這些套件檔案放在一個名為 `tex/`的資料夾中；而相應的參考書目樣式檔案則放在一個名為 `bst/`:

1. 在專案側邊欄頂端點選「新增檔案」。
2. 選擇「空白檔案」，並將檔名儲存為 `latexmkrc` （如果它還不在那裡的話）。
3. 把下列這一行放入 `latexmkrc`:

   ```
   $ENV{'TEXINPUTS'}='./tex//:' . $ENV{'TEXINPUTS'};
   $ENV{'BSTINPUTS'}='./bst//:' . $ENV{'BSTINPUTS'};
   ```

   （或改成你專案中相關的資料夾名稱）

Overleaf 現在會先搜尋 `tex/` 資料夾，再搜尋系統 `TEXINPUTS` 以找出套件檔案，並且 `bst/` 資料夾，再搜尋系統 `BSTINPUTS` 以找出參考書目樣式檔案。

（來源： <http://tex.stackexchange.com/a/50847/226>)

**注意**：你的主文件檔和你的 `latexmkrc` 檔案必須保留在專案的最上層，而不是放在資料夾中。


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