PHP连接MYSQL数据库实例代码
具体代码如下所示:
<?php //设置字符集 header('Content-Type: text/html; charset=utf8'); //连接数据库 $link = mysql_connect("localhost","root","123456"); if(!$link){ echo '数据库连接失败...<br>'; exit(-1); }else{ echo "数据库连接成功...<br>"; } //选择一个数据库作为默认数据库 mysql_select_db('php_sjk'); //执行sql插入语句 $sql = "INSERT INTO zh VALUES (NULL,'王杰','123456')"; $cr = mysql_query($sql); //判断是否插入成功 if(!$cr){ echo "数据插入失败。<br>"; }else{ echo "数据插入成功。<br>"; } //执行sql查询语句 $sql = "select * from zh"; $cr = mysql_query($sql); //得到返回的结果集,并循环输出 echo "数据展示:<br><br><br>"; while($a = mysql_fetch_row($cr)){ echo "{$a[0]}――{$a[1]}――{$a[2]}<br>"; } //关闭数据库连接 mysql_close($link); ?>
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