20181010 MVC

mvc{                                                                                                                          

M:模型  用来操作表的

 

V : 模版  用来显示页面

 

C:控制器 调度 操作那个表产生数据 调用哪个模版显示数据

}

目录

match_list_v.html  代码

<!-- 利用HTML代码展示数据 -->
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>比赛列表</title>
</head>
<body>

<table>
<tr>
<th>球队一</th><th>比分</th><th>球队二</th><th>时间</th>
</tr>
<?php foreach($match_list as $row) : ?>
	<tr>
	<td><?php echo $row['t1_name'];?></td>
	<td><?php echo $row['t1_score'];?>:<?php echo $row['t2_score'];?></td>
	<td><?php echo $row['t2_name'];?></td>
	<td><?php echo date('Y-m-d H:i', $row['m_time']);?></td>
	</tr>
<?php endForeach;?>
</table>	
</body>
</html>

match_list_c.php  代码

<?php
require "match_list_m.php";

require "template/match_list_v.html";

match_list_m.php  代码

<?php

include "mysql.class.php";

$config=[
	"host"=>"localhost",
	"name"=>"root",
	"pwd"=>"",
	"DbName"=>"z_075mvc"
];
$db= mysqlDb::getInstance($config);
//获得比赛列表数据
$sql = "select t1.t_name as t1_name, m.t1_score, m.t2_score, t2.t_name as t2_name, m.m_time from `match` as m left join `team` as t1 ON m.t1_id = t1.t_id  left join `team` as t2 ON m.t2_id=t2.t_id";
$match_list = $db->getAssoc($sql);

 mysql.class.php 代码

<?php
class mysqlDb{
	public $host; //服务器地址
	public $post=3306; //端口
	public $name; //用户名
	public $pwd; //m密码
	public $DbName; //数据库名称
	public $charset;//默认编码
	
	public $link;//数据库连接对象
	public $res; //资源   返回结果集
	
	//三私一公
	private static $obj;//用来存newdb对象
	//构造方法 私有的
	private function __construct($config=array()){
		/*初始化参数*/
		$this->host = $config["host"] ? $config["host"] : "localhost";
		$this->name = $config["name"] ? $config["name"] : "root";	
		$this->pwd = $config["pwd"] ? $config["pwd"]  : "";
		$this->DbName = $config["DbName"] ?  $config["DbName"] : "mysql";
		$this->charset = $config["charset"] ?$config["charset"] : "utf8" ;
		
		/*连接数据库  设置字符集*/
		$this->connectMysql();
		$this->setCharSet();
	}
	//私有化clone方法
	private  function __clone(){}
	//提供公共的返回对象方法
	static function getInstance($config=array()){
		if(!isset(self::$obj)){
			self::$obj=new self($config);
		}
		return self::$obj;
	}
	
	
	/*连接数据库*/
	function connectMysql(){
		$this->link = new MySQLi($this->host,$this->name,$this->pwd,$this->DbName);
		!mysqli_connect_error() or die("连接数据库失败");
	}
	
	/*设置字符集*/
	function setCharSet(){
		$this->link->query("set names ".$this->charset );
	}
	
	/*执行sql语句的方法*/
	function DbQuery($sql){
		$this->res = $this->link->query($sql);
		if(!$this->res){
			echo ("<br />执行失败。");
			echo "<br />失败的sql语句为:" . $sql;
			echo "<br />出错信息为:" . mysqli_error($this->link);
			echo "<br />错误代号为:" . mysqli_errno($this->link);
			die;
		}
		return $this->res;
	}
   //返回字符串
	function getStr($sql){
		$zhi = $this->DbQuery($sql);
		//将结果集转为字符串
		$arr = $zhi->fetch_all();
		$brr = array();
		foreach($arr as $v){
			$brr[] = implode(",",$v);
		}
		return implode("^",$brr);
	}

	//返回json
	function getJson($sql){
		$zhi = $this->DbQuery($sql);
		$brr = array();
		while($row = $zhi->fetch_assoc()){
			$brr[] = $row;
		}
		return json_encode($brr);
	}
	/*返回关联数组*/
	function getAssoc($sql){
		$zhi = $this->DbQuery($sql);
		$brr = array();
		while($row = $zhi->fetch_assoc()){
			$brr[] = $row;
		}
		return $brr;
	}
	//返回索引数组
	function getAttr($sql){
		$zhi = $this->DbQuery($sql);
		return $zhi->fetch_all();
	}

}

效果图

原文地址:https://www.cnblogs.com/sp1234/p/9764345.html