This article mainly introduces the method of PHP connecting to MySQL to perform add, delete, modify and query operations. It has a very good reference value. Let’s take a look at it with the editor.
Not much to say Please look at the code:
# Fetch_all () Back to all arrays
# FETCH_ROW ()
# FETCH_ASSOC () Return to the associated array FETCH_OBJECT () Return to the object # FETCH_ARAY () The array of arrays returned has both indexes and associated steals Delete, add, and modify operations
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>代号</td>
<td>姓名</td>
<td>性别</td>
<td>民族</td>
<td>生日</td>
</tr>
<?php
1.造一个mysqli对象,造连接对象
$db = new MySQLi("localhost","用户名","密码","数据库名");
2.准备一条SQL语句
$sql = "select * from info";
3.执行SQL语句,如果是查询语句，成功返回结果集对象
$reslut = $db->query($sql);
4.判断返回是否执行成功
if($reslut)
{
while($attr = $reslut->fetch_row())
{
echo "<tr>
<td>{$attr[0]}</td>
<td>{$attr[1]}</td>
<td>{$attr[2]}</td>
<td>{$attr[3]}</td>
<td>{$attr[4]}</td>
</tr>";
}
}
?>
</table>
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