实战PHP第一天

今天我学到了

php发送给浏览器设置编码

header('content-type:text/html;charset=utf-8');

smarty模板引擎在类里面会报N多错

brophp里的DB类,我修改了也无法单独使用

thinkphp里的DB类,我修改了也是不能单独使用.

最后使用了网上开源的 mysql类

[php]
<?php
// +----------------------------------------------------------------------
// |MySQL操作类
// +----------------------------------------------------------------------
// |@微凉 QQ:496928838
// +----------------------------------------------------------------------
class MySQL{

    private $db_mysql_hostname;
    private $db_mysql_username;
    private $db_mysql_password;
    private $db_mysql_database;
    private $db_mysql_port;
    private $db_mysql_charset;

    private $query_list = array();

    //查询次数
    public $query_count = 0;
    //查询开始时间
    public $query_start_time;

    //当前查询ID
    protected $queryID;
    //当前连接
    protected $conn;
    // 事务指令数
    protected $transTimes = 0;
    // 返回或者影响记录数
    protected $numRows    = 0;
    // 错误信息
    protected $error      = '';

    public function __construct($hostname_or_conf,$username,$password,$database,$port = '3306',$char = 'utf8'){
        if(is_array($hostname_or_conf)){
            $this->db_mysql_hostname = $hostname_or_conf['hostname'];
            $this->db_mysql_username = $hostname_or_conf['username'];
            $this->db_mysql_password = $hostname_or_conf['password'];
            $this->db_mysql_database = $hostname_or_conf['database'];
            $this->db_mysql_port = isset($hostname_or_conf['port'])?$hostname_or_conf['port']:'3306';
            $this->db_mysql_charset = isset($hostname_or_conf['charset'])?$hostname_or_conf['charset']:'utf8';

        }elseif(!empty($hostname_or_conf)||!empty($username)||!empty($password)||!empty($database))
        {
             $this->db_mysql_hostname = $hostname_or_conf;
             $this->db_mysql_username = $username;
             $this->db_mysql_password = $password;
             $this->db_mysql_database = $database;
             $this->db_mysql_port = $port;
             $this->db_mysql_charset = $char;

        }else{
            die('configuration error.');
        }
        $this->connect();
    }

    private function connect(){
        $server = $this->db_mysql_hostname.':'.$this->db_mysql_port;
        $this->conn = mysql_connect($server,$this->db_mysql_username,$this->db_mysql_password,true) or die('Connect MySQL DB error!');
        mysql_select_db($this->db_mysql_database,$this->conn) or die('select db error!');
        mysql_query("set names " . $this->db_mysql_charset, $this->conn);
    }
    /**
     +----------------------------------------------------------
     * 设置数据对象值
     +----------------------------------------------------------
     * @access public
     +----------------------------------------------------------
     *table,where,order,limit,data,field,join,group,having
     +----------------------------------------------------------
     */
    public function table($table){
        $this->query_list['table'] = $table;
        return $this;
    }

    public function where($where){
        $this->query_list['where'] = $where;
        return $this;
    }

    public function order($order){
        $this->query_list['order'] = $order;
        return $this;
    }

    public function limit($offset,$length){
        if(!isset($length)){
            $length = $offset;
            $offset = 0;
        }
        $this->query_list['limit'] = 'limit '.$offset.','.$length;
        return $this;
    }

    public function data($data){
        /*
        if(is_

补充：Web开发 , php ,