php中一些常用的语句收集
清空数据表 truncate 表名;
http://blog.knowsky.com/234205.htm 常用的SQL语句实例
http://blog.csdn.net/vericlongmore/article/details/7431029 php mysql数据库常用sql语句命令集合
http://www.banghui.org/10064.html PHP新手必学的常用SQL语句 数据库
http://blog.163.com/lgh_2002/blog/static/440175262007102511246481/ SQL语句大全
*替换数据库敏感词*
把"北京"替换成"南京'
update jinsha_category set catname=replace(catname,'北京','南京');
要求：
一个字段值：
………………预约…………
要将其中 “预约”，改成“预定”。
但是我开始写的时候，写成了
- update ..set smscontent = replace ('预约','预定')
1：连接数据库：
<?php
$conn = mysql_connect("localhost","root","www.xunjobs.com") or die("数据库连接失败".mysql_error());
mysql_select_db("db_pursey",$conn) or die("数据库访问失败".mysql_error());
mysql_query("set names gb2312");
?>
2：插入数据：
<?php
include("conn/conn.php");
$type=$_POST[type];
$title=$_POST[title];
$content=$_POST[content];
$linkman=$_POST[linkman];
$tel=$_POST[tel];
//$edate=date("Y-m-d h:i:s");获得系统日期
$edate=date("Y-m-d H:i:s");
$sql=mysql_query("insert into tb_info(type,title,content,linkman,tel,checkstate,edate) values('$type','$title','$content','$linkman','$tel',0,'$edate')");
if($sql){
//php中输出<script>语句的方法
echo "<script>alert('恭喜您，信息发布成功！');window.location.href='release.php';</script>";
}else{
echo "<script>alert('对不起，信息发布失败！');history.back();</script>";
}
?>
3：查询数据
<?php
include("conn/conn.php");
$type=$_POST[type];
$content=$_POST[content];
$sql1=mysql_query("select * from tb_leaguerinfo where checkstate=1 and type='$type' and (content like'%$content%' or title like'%$content%' or linkman like'%$content%' or tel like'%$content%')");
$info1=mysql_fetch_array($sql1);
$sql=mysql_query("select * from tb_info where checkstate=1 and type='$type' and (content like'%$content%' or title like'%$content%' or linkman like'%$content%' or tel like'%$content%')");
$info=mysql_fetch_array($sql);
?>
<?php
if($info1){
do{
?>
<table width="540" cellspacing="0" cellpadding="0">
<tr>
<td height="26">『<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info1[type]);?>』 <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info1[title]);?> <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info1[edate]);?></td>
</tr>
<tr>
<td height="26"> <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info1[content]);?></td>
</tr>
<tr>
<td height="26"> 联系人：<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info1[linkman]);?> 联系电话：<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info1[tel]);?></td>
</tr>
<tr>
<td height="3" background="Images/line1.gif"></td>
</tr>
</table>
<?php
}while($info1=mysql_fetch_array($sql1));
?>
</td>
</tr>
<tr>
<td height="140" align="center" valign="top"> <br>
<?php
if($info){
do{
?>
<table width="540" cellspacing="0" cellpadding="0">
<tr>
<td height="26">『<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[type]);?>』 <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[title]);?> <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[edate]);?></td>
</tr>
<tr>
<td height="26"> <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[content]);?></td>
</tr>
<tr>
<td height="26"> 联系人：<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[linkman]);?> 联系电话：<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[tel]);?></td>
</tr>
<tr>
<td height="3" background="Images/line1.gif"></td>
</tr>
</table>
<?php
} while($info=mysql_fetch_array($sql));
}
}else{
?>
<?php
if($info){
do{
?>
<table width="540" cellspacing="0" cellpadding="0">
<tr>
<td height="26">『<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[type]);?>』 <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[title]);?> <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[edate]);?></td>
</tr>
<tr>
<td height="26"> <?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[content]);?></td>
</tr>
<tr>
<td height="26"> 联系人：<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[linkman]);?> 联系电话：<?php echo str_ireplace($content,"<font color='#FF0000'>".$content."</font>",$info[tel]);?></td>
</tr>
<tr>
<td height="3" background="Images/line1.gif"></td>
</tr>
</table>
<?php
} while($info=mysql_fetch_array($sql));
}else{
?>
<table width="540" cellspacing="0" cellpadding="0">
<tr>
<td align="center">您检索的信息资源不存在！</td>
</tr>
</table>
<?php
}
}
?>
转自：http://blog.csdn.net/aerchi
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