偶尔要用到php做一些mysql数据库的操作测试,自己写起来太麻烦,搜索的结果一般都又包含一大堆没用的代码,这里将php mysql的操作做一下总结,希望以后用到的时候不用再感到麻烦了,代码如下:
- <?php
- $dbhost='localhost';
- $dbuser='root';
- $dbpass='123456';
- $dbname='products';
- $connect=mysql_connect($dbhost,$dbuser,$dbpass);
- if(!$connect) exit('数据库连接失败!');
- mysql_select_db($dbname,$connect);
- mysql_query('set names utf8');
-
- $sql="SELECT * FROM `category`";
- $result=mysql_query($sql);
- while($row=mysql_fetch_array($result)){
- echo $row['id'];
- }
-
- $sql="INSERT INTO `category` (`id`,`name`) VALUES (NULL,'".$name."')";
- $result=mysql_query($sql);
- if(mysql_affected_rows()){
- echo '插入成功,插入ID为:',mysql_insert_id();
- }else{
- echo '插入失败:',mysql_error();
- }
-
- $sql="UPDATE `category` SET `name`='".$name."' WHERE `id`='".$id."'";
- $result=mysql_query($sql);
- if(mysql_affected_rows()){
- echo '修改成功!';
- }
-
- $sql="DELETE FROM `category` WHERE `id`='".$id."'";
- $result=mysql_query($sql);
- if(mysql_affected_rows()){
- echo '删除成功!';
- }
-
- mysql_close($connect);
- ?>
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