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PHP之MVC以及简单的封装

目录结构

各部分代码

config.php

return array(
    'database'=>array(
        'host'=>'127.0.0.1',//默认主机
        'port'=>3306,//默认端口号
        'dbname'=>'data',//默认数据库
        'charset'=>'utf8',//默认字符编码集
        'user'=>'root',//默认数据库的用户
        'pwd'=>'root',//默认数据库的密码
        'dbtype'=>'mysql',//默认数据库的类型
    ),
    'app'=>array(
        'dp'=>'Admin',//默认平台
        'dc'=>'User',//默认控制器
        'dm'=>'Login',//默认方法
        'dk'=>'',//加密密钥
        'path'=>'./Public/Upload',//默认文件上传路径
        'size'=>72345,//默认上传文件大小
        'ftype'=>['image/jpeg','image/png','image/gif'],//默认文件上传类型
    )
);

BaseController.php

namespace Controller\Admin;


class BaseController extends \Core\Controller
{
    use \Traits\Jump;
    public function __construct()
    {
        parent::__construct();
        $this->checkLogin();
    }
    private function checkLogin(){//验证是否登录
        if (empty($_SESSION['user'])){
            $this->error('index.php?m=login&c=user','请登录',2);
        }
    }
}

ProductController.php

namespace Controller\Admin;
use Core\Controller;

class ProductController extends BaseController{
    use \Traits\Jump;
    public function listMethod(){
        $productmodel = new \Model\ProductModel();
        $list = $productmodel->select();
        require __VIEW__.'product.html';
    }
    public function delMethod(){
        $id = $_GET['id'];
        $id = (int)$id;
        if (is_numeric($id)&&is_int($id)){
            $productmodel = new \Model\ProductModel();
            if ($productmodel->delete($id))
                $this->success('index.php?m=list&p=Admin','删除成功');
            else
                $this->error('index.php?m=list&p=Admin','删除失败');

        }

    }
    public function addMethod(){
        if(!empty($_POST)){
            $productmodel = new \Model\ProductModel();
            if ($productmodel->insert($_POST))
                $this->success('index.php?m=list&p=Admin','添加成功');
            else
                $this->error('index.php?m=list&p=Admin','添加失败');
        }
    }
    public function editMethod()
    {
        require __VIEW__.'product'.DS.'edit.html';
    }
}

UserController.php

namespace Controller\Admin;
use Core\Controller;
use Model\UserModel;

class UserController extends Controller
{
    use \Traits\Jump;
    public function loginMethod(){
        $msg='';
        if (!empty($_POST)){
            $user = $_POST['username'];
            $password = $_POST['pwd'];
            $captcha = new \Lib\Captach();
            if ($captcha->check($_POST['code'])==0)
                $this->error('index.php?m=login&c=user&p=Admin','验证码错误');
            if ($user==''||$password==''){
                $msg='请正确输入用户名或密码';
            }
            $userobject = new \Model\UserModel('users');
            $ulist = $userobject->checkUserNameAndPwd($userobject,$user,md5(md5($password.$GLOBALS['config']['app']['dk'])));
            if (!empty($ulist)){
                $_SESSION['user']=$user;
                $_SESSION['iconpath']=$ulist[0]['filepath'];
                $this->success('index.php?m=list&p=Admin&c=Product','登录成功');
            }else{
                $this->error('index.php?m=login&p=Admin&c=User','登录失败');
            }
        }
        require __VIEW__.'User'.DS.'login.html';
    }
    public function registerMethod(){
        $msg='';
        $data=array();
        if (!empty($_POST)){
            $user = $_POST['username'];
            if ($user==''||$_POST['pwd']==''||$_FILES['face']==''){
                $msg='用户名，密码或上传文件不能为空';
            }else{
                $usm = new UserModel('users');
                if ($usm->isExist($usm,array('username'=>$user))==0){//存在sql注入的风险
                    $path = $GLOBALS['config']['app']['path'];
                    $size = $GLOBALS['config']['app']['size'];
                    $ftype = $GLOBALS['config']['app']['ftype'];
                    $upload = new \Lib\Upload($path,$size,$ftype);
                    if ($upload->uploadOne($_FILES['face'])){
                        $finalfilepath=$upload->getuploadfilepath();
                        if (!empty($finalfilepath)){
                            $img = new \Lib\Image($finalfilepath);
                            $data['filepath']=$path.'/'.$img->filepath();
                        }
                        $data['pwd'] = md5(md5($_POST['pwd'].$GLOBALS['config']['app']['dk']));//加入密钥
                        $data['username']=$user;
                        if ($usm->insert($data)==1){
                            $_SESSION['user']=$user;
                            $this->success('index.php?c=User&m=Login&p=Admin','注册成功');
                        }else{
                            $this->error('index.php?c=User&m=register&p=Admin','注册失败');
                        }
                    }else{
                        $this->error('index.php?p=Admin&c=user&m=register',$upload->getError());
                    }
                }else{
                    $msg='用户名已存在';
                }
            }
        }
        require __VIEW__.'User'.DS.'register.html';
    }
    public function checkUserMethod(){
        $model = new \Model\UserModel('users');
        echo $model->isExist($model,array('username'=>$_GET['username']));
    }
    public function verifyMethod(){
        $captcha = new \Lib\Captach();
        $captcha->entry();
    }
    public function logoutMethod(){
        session_destroy();
        header('Location:index.php?m=login&c=user&p=Admin');
    }
}

ProductModel.php

namespace Model;
class ProductModel extends \Core\Model
{
}

UserModel.php

namespace Model;


class UserModel extends \Core\Model {
    public function isExist($userobject,$cond=array()){
        if ($userobject->select($cond)){
            $flag=1;
        }else{
            $flag=0;
        }
        return $flag;
    }
    public function checkUserNameAndPwd($userobject,$username,$passwd){
        return $userobject->select(array('username'=>$username,'pwd'=>$passwd));
    }
    public function getusericonMethod(){
        $user = new UserModel('users');
        $ulist = $user->select(array('username'=>$_SESSION['user']));
        return $ulist;
    }
}

add.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="" method="post">
    商品名称：<input type="text" name="name"><br>
    商品价格：<input type="text" name="price"><br>
    评论数量：<input type="text" name="deal"><br>
    店家名称:<input type="text" name="title"><br>
    <input type="submit" value="提交">
</form>
</body>
</html>

User/login.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #msg{
            color: red;
        }
    </style>
</head>
<script>
    window.onload=function () {
        var username=document.getElementById('username');
        var passwd=document.getElementById('username');
        var button=document.getElementById('button');
        button.onclick=function adduser() {
            if (username.value==''||passwd.value==''){
                document.getElementById('msg').innerHTML='请正确输入用户名或密码';
                return false;
            }else {
                return true;
            }
        }
    }
</script>
<body>
<form action="" method="post">
    <span id="msg"><?=$msg ?></span><br>
    <input type="text" placeholder="请输入用户名" id="username" name="username"><br>
    <input type="password" placeholder="请输入密码" id="passwd" name="pwd"><br>
    <input type="text" name="code"><img src="index.php?m=verify&c=user&p=Admin" width="90" height="30" onclick='this.src="index.php?m=verify&c=user&p=Admin&"+Math.random()'><br>
    <a href="?m=register">注册</a>
    <button type="submit" id="button">提交</button>
</form>
</body>
</html>

User/register.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #msg{
            color: red;
        }
    </style>
</head>
<script>
    window.onload=function () {
        var req=new XMLHttpRequest();//创建ajax对象
        document.getElementById('username').onfocus=function(){
            document.getElementById('msg').innerHTML='';
        }
        document.getElementById('username').onblur=function () {
            req.open('get','/index.php?p=admin&c=user&m=checkUser&username='+this.value);
            req.onreadystatechange=function(){
                if (req.readyState==4&&req.status==200){
                    if(req.responseText=='1'){
                        document.getElementById('msg').innerHTML='用户名已存在';
                    }
                }
            }
            req.send()
        }
    }
</script>
<body>
<form action="" method="post" enctype="multipart/form-data">
    <span id="msg"><?=$msg?></span>
    <br>
    <input type="text" placeholder="请输入用户名" name="username" id="username"><br>
    <input type="password" placeholder="请输入密码" name="pwd" id="pwd"><br>
    <input type="file" name="face"><br>
    <a href="?m=login">返回</a>
    <input type="submit" value="提交">
</form>
</body>
</html>

common.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .success{
            color: green;
        }
        .error{
            color: red;
        }
    </style>
</head>
<body>
<div class="<?=$flag?>"><?=$info?></div>
<div><span id="t"><?=$time?></span>秒后跳转</div>
</body>
<script>
    var t=document.getElementById('t').innerText;
    setInterval(function () {
        document.getElementById('t').innerHTML=t--;
        if (t==0){
            location.href="<?=$url?>";
        }
    },1000);
</script>
</html>

product.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>欢迎<?=$_SESSION['user']?><img src="<?=$_SESSION['iconpath']?>" width="50px" height="50px"></h1>
<a href="/Application/View/Admin/product/add.html">加商品</a>
<a href="index.php?c=user&p=Admin&m=logout">安全退出</a>
<table>
    <tr>
        <th>商品名称</th>
        <th>商品价格</th>
        <th>评论数量</th>
        <th>商品店家</th>
        <th>操作过程</th>
    </tr>
    <?php foreach($list as $rows):?>
         <td><?=substr($rows['name'],0,20)?></td>
        <td><?=$rows['price']?></td>
        <td><?=$rows['deal']?></td>
        <td><?=$rows['title']?></td>
        <td><a href="?m=edit">修改</a>&nbsp;&nbsp;<a href="?m=del&p=Admin&id=<?=$rows['id']?>" onclick="return confirm('确认删除吗？')">删除</a></td>
    </tr>
    <?php endforeach;?>
</table>
</body>
</html>

Controller.php

namespace Core;


class Controller
{
    public function __construct()
    {
        $this->initSession();
    }

    private function initSession(){
        new \Lib\Session();
    }
}

Framework.php

class Framework
{
    //初始化常量
    private static function initConst(){
        define('DS',DIRECTORY_SEPARATOR);//定义目录分隔符
        define('ROOT_PATH',getcwd().DS);//入口文件所在的目录
        define('APP_PATH',ROOT_PATH.'Application'.DS);//application目录
        define('CONFIG_PATH',APP_PATH.'Config'.DS);//Config目录
        define('CONTROLLER_PATH',APP_PATH.'Controller'.DS);//Controller目录
        define('MODEL_PATH',APP_PATH.'Model'.DS);//Model目录
        define('VIEW_PATH',APP_PATH.'View'.DS);//View目录
        define('FRAMEWORK_PATH',ROOT_PATH.'Framework'.DS);//Framework目录
        define('CORE_PATH',FRAMEWORK_PATH.'Core'.DS);//Core目录
        define('LIB_PATH',FRAMEWORK_PATH.'Lib'.DS);//Lib目录
        define('TRAIT_PATH',ROOT_PATH.'Traits'.DS);//Traits
    }
    //引入配置文件
    private static function initConfig(){
        $GLOBALS['config']=require CONFIG_PATH.'config.php';
    }
    //确定路由
    private static function initRoutes(){
        $p = isset($_GET['p'])?$_GET['p']:$GLOBALS['config']['app']['dp'];
        $c = isset($_GET['c'])?$_GET['c']:$GLOBALS['config']['app']['dc'];
        $m = isset($_GET['m'])?$_GET['m']:$GLOBALS['config']['app']['dm'];
        $p=ucfirst(strtolower($p));
        $c=ucfirst(strtolower($c));//首字母大写
        $m=strtolower($m);//转成小写
        define('PLATFORM_NAME',$p);//平台名常量
        define('CONTROLLER_NAME',$c);//控制器名常量
        define('METHOD_NAME',$m);//方法名常量
        define('__URL__',CONTROLLER_PATH.$p.DS);//当前请求的控制器地址
        define('__VIEW__',VIEW_PATH.$p.DS);//当前视图的目录地址
    }
    //自动加载
    private static function initAutoLoad(){
        spl_autoload_register(function ($class_name){
            $namespace = dirname($class_name);//命名空间
            $class_name= basename($class_name);//类名
            if (in_array($namespace,array('Core','Lib')))
                $path=FRAMEWORK_PATH.$namespace.DS.$class_name.'.php';
            elseif ($namespace=='Model')
                $path=MODEL_PATH.$class_name.'.php';
            elseif ($namespace=='Traits')
                $path=TRAIT_PATH.$class_name.'.php';
            else
                $path=__URL__.$class_name.'.php';
            if (is_file($path)&&file_exists($path))
                require $path;
        });
    }
    //请求分发
    private static function initDispatch(){
        $controller_name = DS.'Controller'.DS.PLATFORM_NAME.DS.CONTROLLER_NAME.'Controller';//拼接控制器
        $method_name = METHOD_NAME.'Method';
        $obj = new $controller_name();
        $obj->$method_name();
    }
    public static function run(){
        self::initConst();
        self::initConfig();
        self::initRoutes();
        self::initAutoLoad();
        self::initDispatch();
    }
}

Model.php

namespace Core;
class Model
{
    protected $mypdo;
    private $table;//表名
    private $pk;//主键
    public function __construct($tabe='')
    {
        $this->initMyPDO();
        $this->initTable($tabe);
        $this->getPrimaryKey();
    }
    protected function initMyPDO(){
        $this->mypdo=MyPDO::getInstance($GLOBALS['config']['database']);
    }
    private function initTable($table){
        if ($table!=''){
            $this->table=$table;
        }else{ //实例化子类模型
            $this->table=substr(basename(get_class($this)),0,-5);
        }
    }
    //获取主键
    private function getPrimaryKey(){
        $rs = $this->mypdo->fetchAll("desc `{$this->table}`");
        foreach($rs as $rows){
            if ($rows['Key']=='PRI'){
                $this->pk=$rows['Field'];
                break;
            }
        }
    }
    //万能的插入语句
    public function insert($data){
        $keys = array_keys($data);
        $keys = array_map(function ($k){
            return "`{$k}`";
        },$keys);
        $keys = implode(',',$keys);
        $values = implode(',',array_map(function ($v){
            return "'{$v}'";
        },array_values($data)));
        $sql = "insert into `{$this->table}` ({$keys}) values ({$values})";
        return $this->mypdo->exec($sql);
    }
    //万能的修改语句
    public function update($data){
        $keys = array_keys($data);
        $index = array_search($this->pk,$keys);
        unset($keys[$index]);
        $keys = implode(',',array_map(function ($k) use($data){
            return "`{$k}`='{$data[$k]}'";
        },$keys));
        $sql = "update `{$this->table}` set {$keys} where `{$this->pk}`='{$data[$this->pk]}'";
        return $this->mypdo->exec($sql);
    }
    //万能的删除
    public function delete($id){
        $sql = "delete from `{$this->table}` where `{$this->pk}`='{$id}'";
        return $this->mypdo->exec($sql);
    }
    //万能的查询语句
    public function select($cond=array()){
        $sql = "select * from `{$this->table}` where 1";
        if (!empty($cond)){
            foreach ($cond as $k=>$v){
                if (is_array($v)){
                    switch ($v[0]){
                        case 'eq':
                            $op='=';
                            break;
                        case 'lt':
                            $op='<';
                            break;
                        case 'gt':
                            $op='>';
                            break;
                        case 'lte':
                        case 'elt':
                            $op='<=';
                            break;
                        case 'gte':
                        case 'egt':
                            $op='>=';
                            break;
                        case 'neq':
                            $op='<>';
                            break;
                    }
                    $sql.= " and `{$k}`{$op}'{$v[1]}'";
                }else {
                    $sql .= " and `{$k}`='{$v}'";
                }
            }
        }
        return $this->mypdo->fetchAll($sql);
    }
    //查询返回一维数组
    public function find($id){
        $sql = "select * from `{$this->table}` where `{$this->pk}`='{$id}'";
        return $this->mypdo->fetchRow($sql);
    }
}

MyPDO.php

namespace Core;
class MyPDO
{
    private static $instance;
    private $host;//主机
    private $port;//数据库端口号
    private $dbname;//数据库名
    private $charset;//数据库字符编码集
    private $user;//数据库用户名
    private $pwd;//密码
    private $dbtype;//数据库类型
    private $dns;
    private $mypdo;
    private function __construct($parma)
    {
        $this->initParma($parma);
        $this->initPDO();
        $this->initException();
    }
    private function __clone()
    {
    }
    //返回创建对象
    public static function getInstance($parma){
        if (!self::$instance instanceof self){
            self::$instance = new self($parma);
        }
        return self::$instance;
    }
    //初始化参数
    private function initParma($parma){
        $this->host=$parma['host'];
        $this->port=$parma['port'];
        $this->dbname=$parma['dbname'];
        $this->charset=$parma['charset'];
        $this->user=$parma['user'];
        $this->pwd=$parma['pwd'];
        $this->dbtype=$parma['dbtype'];
    }
    //初始化PDO
    private function initPDO(){
        try {
            $this->dns="{$this->dbtype}:host={$this->host};port={$this->port};dbname={$this->dbname};charset={$this->charset}";
            $this->mypdo=new \PDO($this->dns,$this->user,$this->pwd);
        }catch (\PDOException $ex){
            $this->showException($ex);
        }
    }
    //初始化异常
    private function initException(){
        $this->mypdo->setAttribute(\PDO::ATTR_ERRMODE,\PDO::ERRMODE_EXCEPTION);
    }
    //执行增删改
    public function exec($sql){
        try {
            return $this->mypdo->exec($sql);
        }catch (\PDOException $ex){
            $this->showException($ex,$sql);
        }
    }
    //返回最后一次插入的id
    public function lastinsertnum(){
        return $this->mypdo-lastInsertId();
    }
    //返回二维数组
    public function fetchAll($sql,$type=''){
        try {
            $rs = $this->mypdo->query($sql);
            $type = $this->getType($type);;
            return $rs->fetchAll($type);

        }catch (\PDOException $ex){
            $this->showException($ex,$sql);
        }
    }
    //返回一维数组
    public function fetchRow($sql,$type=''){
        try {
            $rs = $this->mypdo->query($sql);
            $type = $this->getType($type);
            $rs->fetch($type);
        }catch (\PDOException $ex){
            $this->showException($ex,$sql);
        }
    }
    //获取一行一列
    public function fetchColumn($sql){
        try {
            $stmt = $this->mypdo->query($sql);
            return $stmt->fetchColumn();
        }catch (\PDOException $ex){
            $this->showException($ex,$sql);
        }
    }
    //匹配数据的类型
    private function getType($type){
        switch ($type){
            case 'num':
                return \PDO::FETCH_NUM;
            case 'obj':
                return \PDO::FETCH_OBJ;
            case 'both':
                return \PDO::FETCH_BOTH;
            default:
                return \PDO::FETCH_ASSOC;
        }
    }
    //显示异常
    private function showException($ex,$sql=''){
        if ($sql!=''){
            echo 'SQL语句执行失败<br>';
            echo '错误的SQL语句为'.$sql.'<br>';
        }
        echo '错误编号为：'.$ex->getCode().'<br>';
        echo '错误行号为：'.$ex->getLine().'<br>';
        echo '错误信息为：'.$ex->getMessage().'<br>';
        echo '错误文件为：'.$ex->getFile().'<br>';
    }
}

Captach.php

namespace Lib;


class Captach
{
    private $width;
    private $height;
    public function __construct($width=90,$height=30)
    {
        $this->width=$width;
        $this->height=$height;
    }
    //生成随机字符串
    private function generalCode(){
        $all_array = array_merge(range('a','z'),range('A','Z'),range(2,9));
        //所有字符数组，array_merge():把多个数组连接起来，拼接成一个大的数组
        $div_array = ['l','o','O','I'];//去除容易混淆的字符
        $array = array_diff($all_array,$div_array);//剩余的字符数组
        unset($all_array,$div_array);//销毁不需要使用的数组
        $index=array_rand($array,6);//随机取6个字符，返回字符下标，按先后顺序排列
        shuffle($index);//打乱字符
        $code='';
        foreach ($index as $i):
            $code.=$array[$i];
        endforeach;
        $_SESSION['code']=$code;//保存在会话中
        return $code;
    }
    //制作验证码图片
    public function entry(){
        $code = $this->generalCode();
        $image = imagecreate($this->width,$this->height);
        imagecolorallocate($image,0,rand(0,255),255);//分配beijingse
        $color = imagecolorallocate($image,213,255,rand(0,255));//分配前景色
        $font = 5;//内置5号字体
        $x=(imagesx($image)-imagefontwidth($font)*strlen($code))/2;
        $y=(imagesy($image)-imagefontheight($font))/2;
        imagestring($image,$font,$x,$y,$code,$color);
        header('content-type:image/jpeg');
        imagejpeg($image);
    }
    public function check($code){
        return strtoupper($code)==strtoupper($_SESSION['code']);;
    }
}

Image.php

namespace Lib;


class Image
{
    private $path;
    public function __construct($src_path,$w=50,$h=50,$prefix='small_')
    {
        $this->thumb($src_path,$w,$h,$prefix);
    }

    private function thumb($src_path,$w,$h,$prefix){
        $dst_img = imagecreatetruecolor($w,$h);
        //设置缩略图的背景颜色
        $color = imagecolorallocate($dst_img,rand(0,255),rand(20,45),rand(1,255));
        //给目标图填充背景颜色
        imagefill($dst_img,0,0,$color);
        //打开原图
        $src_img = imagecreatefromjpeg($src_path);
        //复制原图拷贝到目标图上，并缩放大小
        $src_w = imagesx($src_img);
        $src_h = imagesy($src_img);
        imagecopyresampled($dst_img,$src_img,0,0,0,0,50,50,$src_w,$src_h);
        $foldername = substr(dirname($src_path),-10);
        $filename = basename($src_path);
        $save_path = dirname($src_path).'/'.$prefix.$filename;
        //保存缩略图
        imagejpeg($dst_img,$save_path);
        $this->path="{$foldername}/{$prefix}{$filename}";
    }
    public function filepath(){
        return $this->path;
    }
}

Session.php

namespace Lib;
class Session{
    private $mypdo;
    public function __construct()
    {
        session_set_save_handler(
            array($this,'open'),
            array($this,'close'),
            array($this,'read'),
            array($this,'write'),
            array($this,'destory'),
            array($this,'gc')
        );
        session_start();
    }

    public function open(){
        $this->mypdo=\Core\MyPDO::getInstance($GLOBALS['config']['database']);
        return true;
    }
    public function close(){
        return true;
    }
    //读取会话
    public function read($sess_id){
        $sql = "select sess_value from sess where sess_id='{$sess_id}'";
        return (string)$this->mypdo->fetchColumn($sql);
    }
   //写入会话
    public function write($sess_id,$sess_value){
        $sql = "insert into sess values('{$sess_id}','{$sess_value}',UNIX_TIMESTAMP()) on duplicate key
    update sess_value='{$sess_value}',sess_time=UNIX_TIMESTAMP()";
        return $this->mypdo->exec($sql)!==false;
    }
    //销毁会话
    public function destory($seess_id){
        $sql = "delete from sess where sess_id='{$seess_id}'";
        return $this->mypdo->exec($sql)!==false;
    }
    public function gc($lifetime){
        $expires = time();
        $sql = "delete from sess where sess_time<{$expires}";
        return $this->mypdo->exec($sql)!==false;
    }
}

Upload.php

namespace Lib;


class Upload
{
    private $error;//保存的错误消息
    private $size;//上传的大小
    private $path;//上传的路径
    private $type;//允许上传的类型
    private $finalfilepath;//文件最终路径
    public function __construct($path,$size,$type)
    {
        $this->path=$path;
        $this->size=$size;
        $this->type=$type;
    }
    //返回错误信息
    public function getError(){
        return $this->error;
    }

    public function uploadOne($files){
        if ($this->checkError($files)){//没有错误就上传
            //文件上传，上传的文件保存到当天的文件中
            $foldername=date('Y-m-d');
            $folderpath="{$this->path}/{$foldername}";//文件夹路径
            if (!file_exists($folderpath)){
                mkdir($folderpath,0777,true);
            }
            $filename=uniqid('',true).strrchr($_FILES['face']['name'],'.');//文件名
            $filepath="{$folderpath}/{$filename}";//文件路径
            $this->finalfilepath=$filepath;
            if(move_uploaded_file($files['tmp_name'],$filepath))
                return true;
            else{
                $this->error='上传失败';
                return false;
            }
        }
    }
    //验证上传是否有误
    private function checkError($file){
        //1.验证错误号
        if ($file['error']!=0){
            switch ($file['error']){
                case 1:
                    $this->error='文件大小超过了php.ini中允许的最大值,最大值是：'.ini_get('upload_max_filesize');
                    return false;
                case 2:
                    $this->error='文件大小超过了表单允许的最大值';
                    return false;
                case 3:
                    $this->error='只有部分文件上传';
                    return false;
                case 4:
                    $this->error='没有文件上传';
                    return false;
                case 6:
                    $this->error='找不到临时文件';
                    return false;
                case 7:
                    $this->error='文件写入失败';
                    return false;
                default:
                    $this->error='未知错误';
                    return false;
            }
        }
        //2.验证格式
        $info=finfo_open(FILEINFO_MIME_TYPE);
        $mime=finfo_file($info,$file['tmp_name']);
        if (!in_array($mime,$this->type)){
            $this->error='只能上传'.implode(',',$this->type).'格式';
            return false;
        }
        //3.验证大小
        if ($file['size']>$this->size){
            $this->error='文件大小不能超过'.number_format($this->size/1024,1).'K';
            return false;
        }
        //4.验证是否是HTTP上传
        if (!is_uploaded_file($file['tmp_name'])){
            $this->error='文件不是HTTP_POST上传的';
            return false;
        }
        return true;
    }
    public function getuploadfilepath(){
        return $this->finalfilepath;
    }
}

Jump.php

namespace Traits;
trait Jump{
    //封装成功的跳转
    public function success($url,$info){
        $this->redirect($url,$info,2,'success');
    }
    //封装失败的跳转
    public function error($url,$info,$time=4){
        $this->redirect($url,$info,$time,'error');

    }
    /*
     * 作用跳转的方法
     * @parma $url string 跳转的地址
     * @parma $info string 显示信息
     * @parma $time int 停留时间
     * @parma $flag string 显示模式
     */
    private function redirect($url,$info,$time,$flag){
        if ($info=='')
            header("Location:{$url}");
        else
            require __VIEW__.'common.html';
    }

}

index.php

require './Framework\Core\Framework.php';
Framework::run();

数据库表结构

代码和数据库文件会上传。

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