案例blog，编辑文章功能完善

Author: johnnyzhang1992

.idea/workspace.xml

@@ -7,21 +7,24 @@
  */
 //编辑文章
 require '../class/conn.php';
+$url = $_SERVER["QUERY_STRING"];
+$url_parse = explode('=', $url);
+$id = $url_parse[1];
 
 $sys_conn = new ConnDB();
 $conn = $sys_conn->GetConn();
 mysqli_query($conn,"set names 'utf8' ");
-$blog_id= $_POST['id'];
+//$blog_id= $_POST['id'];
 $blog_title = $_POST['blog_title'];
 $blog_tag = $_POST['blog_tag'];
 $blog_content = $_POST['blog_content'];
 echo $blog_content.'<br>';
 
-echo 'id:'.$blog_id;
-$sql1 = mysqli_query($conn,"update tb_blog set title='$blog_title',tag='$blog_tag',content='$blog_content' where id='$blog_id'");
+echo 'id:'.$id;
+$sql1 = mysqli_query($conn,"update tb_blog set title='$blog_title',tag='$blog_tag',content='$blog_content' where id='$id'");
 if($sql1){
     $sys_conn->CloseConn();
-    echo "<script>alert('更新文章内容成功！');//window.location.href= '/php-mysql/blog/dashboard.php';</script>";
+    echo "<script>alert('更新文章内容成功！');window.location.href= '/php-mysql/blog/dashboard.php';</script>";
 }else{
     echo "<script>alert('保存信息失败！')</script>";
 }

php-mysql/blog/controller/update_blog.php

@@ -45,11 +45,11 @@ function get_blog_list($id){
 <div class="content col-md-10 col-md-offset-1">
     <div class="add-blog col-sm-12">
         <div class="breadcrumb"><a href="index.php" style="margin-right:5px ">文章</a>\<span style="margin-left: 5px"><?php echo $id ?></span></div>
-        <form class="form-group form-horizontal" action="controller/update_blog.php" method="post"  name="edit-blog-form">
+        <form class="form-group form-horizontal" action="controller/update_blog.php?id=<?php echo $id ?>" method="post"  name="edit-blog-form">
             <div class="blog_id form-group col-sm-12 clearfix">
                 <label for="blog_id" class="col-sm-1 control-label" style="text-align: left">id：</label>
                 <div class="col-sm-11">
-                    <input type="text" class="form-control"  name="id" id="blog_id" placeholder="<?php echo $item['id'] ?>" />
+                    <input type="text" class="form-control"  name="blog_id" id="blog_id" placeholder="<?php echo $item['id'] ?>" />
                 </div>
             </div>
             <div class="blog_title form-group col-sm-12 clearfix">