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1.链接数据库通用方法：conn.php
<div class="codetitle"><a style="CURSOR: pointer" data="76810" class="copybut" id="copybut76810" onclick="doCopy('code76810')"> 代码如下:<div class="codebody" id="code76810">
<?php
//第一步：链接数据库
$conn=@mysql_connect("localhost:3306","root","root")or die ("mysql链接失败");
//第二步: 选择指定的数据库，设置字符集
@mysql_select_db("php_blog",$conn) or die ("db链接失败".mysql_error());
mysql_query('SET NAMES UTF8')or die ("字符集设置错误");
?>
2.增加 add.php
<div class="codetitle"><a style="CURSOR: pointer" data="68524" class="copybut" id="copybut68524" onclick="doCopy('code68524')"> 代码如下:<div class="codebody" id="code68524">
<?php
include("conn.php");//引入链接数据库
if(!empty($_POST['sub'])){
$title=$_POST['title'];
$con=$_POST['con'];
echo $sql="insert into news(id,title,dates,contents) value (null,'$title',now(),'$con')" ;
mysql_query($sql);
echo"插入成功";
}
?>
<form action="add.php" method="post">
标题: <input type="text" name="title">
内容: <textarea rows="5" cols="50" name="con">
<input type="submit" name="sub" value="发表">
3.删除del.php
<div class="codetitle"><a style="CURSOR: pointer" data="46498" class="copybut" id="copybut46498" onclick="doCopy('code46498')"> 代码如下:<div class="codebody" id="code46498">
<?php
include("conn.php");//引入链接数据库<pre name="code" class="html"><?php
include("conn.php");//引入链接数据库
if(!empty ($_GET['id'])){
$sql="select from news where id='".$_GET['id']."'";
$query=mysql_query($sql);
$rs=mysql_fetch_array($query);
}
if(!empty($_POST['sub'])){
$title=$_POST['title'];
$con=$_POST['con'];
$hid=$_POST['hid'];
$sql="update news set title='$title',contents='$con' where id='$hid' limit 1 ";
mysql_query($sql);
echo "";
echo"更新成功";
}
?>
<form action="edit.php" method="post">
<input type="hidden" name="hid" value="<?php echo $rs['id']?>"/>
标题: <input type="text" name="title" value="<?php echo $rs['title']?>">
内容: <textarea rows="5" cols="50" name="con"><?php echo $rs['contents']?>
<input type="submit" name="sub" value="发表">
if(!empty($_GET['del'])){ $d=$_GET['del']; $sql="delete from news where id ='$d'"; } $query=mysql_query($sql); echo "删除成功"; ?>
4，改 edit.php页面
<pre name="code" class="html"><?php
include("conn.php");//引入链接数据库
if(!empty ($_GET['id'])){
$sql="select from news where id='".$_GET['id']."'";
$query=mysql_query($sql);
$rs=mysql_fetch_array($query);
}
if(!empty($_POST['sub'])){
$title=$_POST['title'];
$con=$_POST['con'];
$hid=$_POST['hid'];
$sql="update news set title='$title',contents='$con' where id='$hid' limit 1 ";
mysql_query($sql);
echo "";
echo"更新成功";
}
?>
<form action="edit.php" method="post">
<input type="hidden" name="hid" value="<?php echo $rs['id']?>"/>
标题: <input type="text" name="title" value="<?php echo $rs['title']?>">
内容: <textarea rows="5" cols="50" name="con"><?php echo $rs['contents']?>
<input type="submit" name="sub" value="发表">
5.查，列表页面<pre name="code" class="html"><a href="add.php">添加内容
<?php
include("conn.php");//引入链接数据库
if(!empty($_GET['keys'])){
$w=" title like '%".$_GET['keys']."%'";
}else{
$w=1;
}
$sql="select * from news where $w order by id desc";
$query=mysql_query($sql);
while($rs=mysql_fetch_array($query)){
?>
标题:<a href="view.php?id=<?php echo $rs['id'] ?>"><?php echo $rs['title'] ?> <a href="edit.php?id=<?php echo $rs['id'] ?>">编辑｜｜<a href="del.php?del=<?php echo $rs['id'] ?>">删除
<?php echo $rs['dates'] ?>
<?php echo $rs['contents'] ?>
<?php
}
?>
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