<?php

@mysql_connect("127.0.0.1:3306","root","") or die("mysql数据库连接失败");
@mysql_select_db("test")or die("db连接失败");
mysql_query("set names 'gbk'");

?>

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>


<?php
include("conn.php"); //引入连接数据库

if (!empty($_POST['sub'])) {
  $title = $_POST['title']; //获取title表单内容
  $con = $_POST['con'];   //获取contents表单内容
  $sql= "insert into blog values(null,'0','$title',now(),'$con')";
  mysql_query($sql);
  echo "insert success!";

}

?>

<form action="add.php" method="post">
  title  :<br>
  <input type="text" name="title"><br><br>
  contents:<br>
  <textarea rows="5" cols="50" name="con"></textarea><br><br>
  <input type="submit" name="sub" value="submit">
  
</form>

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<br><br>
<form action="" method="get" style='align:"right"'>
  <input type="text" name="keys" >
  <input type="submit" name="subs" >
</form>
<hr>

<?php
include("conn.php"); //引入连接数据库
  
  if (!empty($_GET['keys'])) {
    $key = $_GET['keys'];
    $w = " title like '%$key%'";

  }else{
    $w=1;
  }

  $sql ="select * from blog where $w order by id desc limit 5";
  $query = mysql_query($sql);
  
  while ($rs = mysql_fetch_array($query)) {


?>
<h2>title: <a href="view.php?id=<?php echo $rs['id']; ?>"><?php echo $rs['title']; ?></a>
  | <a href="edit.php?id=<?php echo $rs['id']; ?>">edit</a> 
  | <a href="del.php?id=<?php echo $rs['id']; ?>">delete</a> |
</h2>
<li>date: <?php echo $rs['data']; ?></li>
<!--截取内容展示长度-->
<p>contents:<?php echo iconv_substr($rs['contents'],0,30,"gbk"); ?>...</p> 
<hr>

<?php

};

?>

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>

<?php
include("conn.php"); //引入连接数据库

  if (!empty($_GET['id'])) {
    $id = $_GET['id'];
    $sql ="select * from blog where id='$id' ";  
    $query = mysql_query($sql);
    $rs = mysql_fetch_array($query);
    
    $sqlup = "update blog set hits=hits+1 where id='$id'";
    mysql_query($sqlup);
  }



?>
<h2>title: <?php echo $rs['title']; ?> </h1>
<h3>date: <?php echo $rs['data']; ?> 
click number: <?php echo $rs['hits']; ?></h3>
<hr>
<p>contents:<?php echo $rs['contents']; ?></p> 

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>


<?php
include("conn.php"); //引入连接数据库

//获取数据库表数据
if (!empty($_GET['id'])) {
  $edit = $_GET['id'];
  $sql = "select * from blog where id='$edit'";
  $query = mysql_query($sql);
  $rs = mysql_fetch_array($query);
}

//更新数据库表数据
if (!empty($_POST['sub'])) {
  $title = $_POST['title']; //获取title表单内容
  $con = $_POST['con'];   //获取contents表单内容
  $hid = $_POST['hid']; 
  $sql= "update blog set title='$title', contents='$con' where id='$hid' ";
  mysql_query($sql);
  echo "<script>alert('update success.');location.href='index.php'</script>";

}

?>

<form action="edit.php" method="post">
  <input type="hidden" name="hid" value="<?php echo $rs['id'];?>">
  title  :<br>
  <input type="text" name="title" value="<?php echo $rs['title'];?>">
  <br><br>
  contents:<br>
  <textarea rows="5" cols="50" name="con" ><?php echo $rs['contents'];?></textarea><br><br>
  <input type="submit" name="sub" value="submit">
  
</form>

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>


<?php
  
  include("conn.php"); //引入连接数据库

  if (!empty($_GET['id'])) {
    $del = $_GET['id']; //删除blog
    $sql= "delete from blog where id='$del' ";
    mysql_query($sql);
    echo "delete success!";

  }

?>