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                # 步驟 1 : 用于刪除的超鏈 用于刪除的超鏈,指向地址admin_category_delete,并且會傳遞當前分類對象的id過去。 `<a deleteLink="true" href="admin_category_delete?id=${c.id}"><span class=" glyphicon glyphicon-trash"></span></a>` ![](https://box.kancloud.cn/0021343a3bdf4b4cf1994f7f9e1b9cb5_97x286.png) # 步驟 2 : 刪除前的確認操作 在adminHeader.jsp 中對所有的刪除連接都進行了監聽: ~~~ $(function(){ $("a").click(function(){ var deleteLink = $(this).attr("deleteLink"); console.log(deleteLink); if("true"==deleteLink){ var confirmDelete = confirm("確認要刪除"); if(confirmDelete) return true; return false; } }); }) ~~~ # 步驟3: 刪除調用CategoryServlet.delete()方法 CategoryServlet.delete()方法里的邏輯很清晰: 1\. 獲取id 2\. 借助categoryDAO.delete()方法刪除本id對應數據 3\. 客戶端跳轉到admin\_category\_list路徑 ``` public String delete(HttpServletRequest request, HttpServletResponse response) { int id = Integer.parseInt(request.getParameter("id")); categoryDao.delete(id); return "@admin_category_list"; } ```
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