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php中一些常用的语句收集

作者：佚名 php网站开发编辑：admin 更新时间：2022-07-23

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

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($info1){
    do{
      ?>
                  <table width="540" border="0" cellspacing="0" cellpadding="0">
                    <tr>
                      <td height="26">『<?php echo str_ireplace($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" border="0" 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($info){
     do{
    ?>
                  <table width="540" border="0" cellspacing="0" cellpadding="0">
                    <tr>
                      <td height="26">『<?php echo str_ireplace($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" border="0" 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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php中一些常用的语句收集

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