From 46479a9353a044eee97aa1904cd8348d48b88455 Mon Sep 17 00:00:00 2001
From: Yuan Chiu <chyuaner@gmail.com>
Date: Thu, 9 Apr 2020 21:28:10 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E9=99=A4=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 htdocs/index.php                  |  2 +-
 htdocs/lib/Database/DbMessage.php |  6 +++++-
 htdocs/save.php                   | 19 +++++++++++++++----
 htdocs/view.php                   |  2 +-
 4 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/htdocs/index.php b/htdocs/index.php
index f87bdd0..2c5aca1 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -64,7 +64,7 @@ $list = $db->getList();
                             <td>
                                 <ul>
                                     <li><a href="edit.php?id='.$item['id'].'" class="btn">Edit</a></li>
-                                    <li><a href="" class="btn">Delete</a></li>
+                                    <li><form action="save.php" method="post"><input type="hidden" name="id" value="'.$item['id'].'"><input type="hidden" name="delete" value="true"><input type="submit" class="btn" value="Delete"></form></li>
                                 </ul>
                             </td>
                         </tr>
diff --git a/htdocs/lib/Database/DbMessage.php b/htdocs/lib/Database/DbMessage.php
index dca4293..4186ed8 100644
--- a/htdocs/lib/Database/DbMessage.php
+++ b/htdocs/lib/Database/DbMessage.php
@@ -85,6 +85,10 @@ class DbMessage extends Database
 
     public function delete($id)
     {
-        # code...
+        $sqlString = "DELETE FROM `".$this->table('message')."` WHERE id= :id";
+        $query = $this->connDB->prepare($sqlString);
+        $query->bindParam(":id", $id);
+        $query->execute();
+        return $query->rowCount();
     }
 }
\ No newline at end of file
diff --git a/htdocs/save.php b/htdocs/save.php
index 20ed23d..08067b4 100644
--- a/htdocs/save.php
+++ b/htdocs/save.php
@@ -1,15 +1,26 @@
 <?php
-$title = $_POST['title'];
-$content = $_POST['content'];
-
 require_once 'config.php';
 require_once FOLDER_ROOT.'/lib/Database/DbMessage.php';
 use MessageBoard\Database\DbMessage;
 $db = new DbMessage();
 
+// 刪除資料
+if (!empty($_POST["id"]) && !empty($_POST["delete"]) && $_POST["delete"] == "true") {
+    $id = $_POST["id"];
+    // 修改成功
+    if ($db->delete($id)) {
+        header('Location: index.php');
+    }
+    // 修改失敗
+    else {
+        header('Location: edit.php?id='.$id);
+    }
+}
 // 修改資料
-if (!empty($_POST['id'])) {
+elseif (!empty($_POST['id'])) {
     $id = $_POST['id'];
+    $title = $_POST['title'];
+    $content = $_POST['content'];
     // 修改成功
     if ($db->edit($id, $title, $content)) {
         header('Location: view.php?id='.$id);
diff --git a/htdocs/view.php b/htdocs/view.php
index 4a9f535..e5610e4 100644
--- a/htdocs/view.php
+++ b/htdocs/view.php
@@ -33,7 +33,7 @@ $created_at = $item['created_at'];
             <ul>
                 <li><a href="index.php" class="btn">Index</a></li>
                 <li><a href="edit.php?id=<?php echo $id; ?>" class="btn">Edit</a></li>
-                <li><a href="edit.php" class="btn">Delete</a></li>
+                <li><form action="save.php" method="post"><input type="hidden" name="id" value="<?php echo $id; ?>"><input type="hidden" name="delete" value="true"><input type="submit" class="btn" value="Delete"></form></li>
             </ul>
         </div>
         <section>