Posted in PHP onApril 21, 2012
项目结构:
运行效果;
conn.php
<?php class ConnectionMySQL{ //主机 private $host="localhost"; //数据库的username private $name="root"; //数据库的password private $pass=""; //数据库名称 private $table="phptest"; //编码形式 private $ut="utf-8"; //构造函数 function __construct(){ $this->ut=$ut; $this->connect(); } //数据库的链接 function connect(){ $link=mysql_connect($this->host,$this->name,$this->pass) or die ($this->error()); mysql_select_db($this->table,$link) or die("没该数据库:".$this->table); mysql_query("SET NAMES '$this->ut'"); } function query($sql, $type = '') { if(!($query = mysql_query($sql))) $this->show('Say:', $sql); return $query; } function show($message = '', $sql = '') { if(!$sql) echo $message; else echo $message.'<br>'.$sql; } function affected_rows() { return mysql_affected_rows(); } function result($query, $row) { return mysql_result($query, $row); } function num_rows($query) { return @mysql_num_rows($query); } function num_fields($query) { return mysql_num_fields($query); } function free_result($query) { return mysql_free_result($query); } function insert_id() { return mysql_insert_id(); } function fetch_row($query) { return mysql_fetch_row($query); } function version() { return mysql_get_server_info(); } function close() { return mysql_close(); } //向$table表中插入值 function fn_insert($table,$name,$value){ $this->query("insert into $table ($name) value ($value)"); } //根据$id值删除表$table中的一条记录 function fn_delete($table,$id,$value){ $this->query("delete from $table where $id=$value"); echo "id为". $id." 的记录被成功删除!"; } } $db = new ConnectionMySQL(); $db->fn_insert('test','id,name,sex',"'','hongtenzone','M'"); $db->fn_delete('test', 'id', 1); ?>
php入门之连接mysql数据库的一个类
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