2020年5月29日

    1. <!DOCTYPE html>
    2. <html>
    3. <head>
    4.   <meta charset="UTF-8">
    5.   <title>内容</title>
    6. </head
    7. <body>
    8.   h1>单文件上传</h1>
    9.   <form action="demo.php" method="post" enctype="multipart/form-data">
    10.   <input type="file" name="f">、
    11.   <button>上传</button>
    12.   </form>
    13.     <h1>多文件上传</h1>
    14.   <form action="demo.php" method="post" enctype="multipart/form-data">
    15.     <input type="file" name="f[]">
    16.     <input type="file" name="f[]">
    17.     <input type="file" name="f[]">
    18.       <button>上传</button>
    19.   </form>
    20.   </body>
    21. </html>
    23. <?php
    24. include './Upload.class.php';
    25. $obj=new Upload('f');
    26. var_dump($obj);
    28. class Upload{
    29. protected $fileInfo;
    30.   protected $errorMsg;
    31. protected $size =1024*1024*10;
    32.  protected $type =[
    33.       'image/png',
    34.       'image/jpg',
    35.       'image/gif'
    36. ];
    38. protected $rootPath='./uploads/';
    40. public function __construct($name){
    41. $this->fileInfo=$_FILES[$name];
    42. }
    43. public function geterrorMsg(){
    44. return $this->errorMsg;
    45. }
    46. public function $size($data=null){
    47. if ($data !== null && is_numeric($data)){
    48. $this->size = $data;
    49. }
    50. return $this->size;
    51. }
    52.   public function type($data=null){
    53.   if($data !== null && is_array($data)){
    54.   $this->type =$data;
    55.   }
    56.     return $this->type;
    57.   }
    58. public function rootPath($data=null){
    59. if ($data !== null && file_exists($data)){
    60. $data = rtrim($data,'/').'/';
    61. $this->rootPath = $data;
    62. }
    63. return $this->rootPath;
    64. }  
    66. }
    68. include './Upload.class.php';
    69. $obj=new Upload('f');
    70. $obj->size(1024*1024*10);
    71. if($obj->upload()){
    72. }else{
    73. echo $obj->geterrorMsg();
    74. }
    77. class Upload{
    78. protected $fileInfo;
    79.   protected $errorMsg;
    80. protected $size =1024*1024*10;
    81.  protected $type =[
    82.       'image/png',
    83.       'image/jpg',
    84.       'image/gif',
    85.            'application/x-zip-dompressed',
    86.        'application/vnd.ms-excel',
    87. ];
    89. protected $rootPath='./uploads/';
    91. public function __construct($name){
    92. $this->fileInfo=$_FILES[$name];
    93. }
    95. public function upload(){
    96. $error = $this->fileInfo['error'];
    97. $size=$this->fileInfo['size'];
    98. $type=$this->fileInfo['type'];
    100. $checkRes=$this->check($error,$size,$type);
    101. if($checkRes == false);
    102. }
    103. }
    104. public function geterrorMsg(){
    105. return $this->errorMsg;
    106. }
    107. public function $size($data=null){
    108. if ($data !== null && is_numeric($data)){
    109. $this->size = $data;
    110. }
    111. return $this->size;
    112. }
    113.   public function type($data=null){
    114.   if($data !== null && is_array($data)){
    115.   $this->type =$data;
    116.   }
    117.     return $this->type;
    118.   }
    119. public function rootPath($data=null){
    120. if ($data !== null && file_exists($data)){
    121. $data = rtrim($data,'/').'/';
    122. $this->rootPath = $data;
    123. }
    124. return $this->rootPath;
    125. }  
    127. protected function check($error,$size,$type){
    128. if($this->checkError($error)==false){
    129. return false;
    130. }
    131. if($this->checkSize($size)==false){
    132. return false;
    133. }
    134. return true;
    135. }
    137. protected function checkError($error)
    138. {
    139. if($error >0){
    140. switch($error){
    141.     case 1:
    142.     $this->errorMsg('上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值');
    143.      break;
    144.     case 2:
    145.    $this->errorMsg('上传的文件大小超过HTML表单中MAX_FILE_SIZE 选项指定的值');
    146.      break;
    147.     case 3:
    148.     $this->errorMsg('文件只有部分上传');
    149.      break;
    150.    case 4:
    151.    $this->errorMsg('没有文件被上传');
    152.      break;
    153.     case 6:
    154.     $this->errorMsg('找不到临时文件夹');
    155.      break;
    156.     case 7:
    157.      $this->errorMsg('文件写入失败');
    158.      break; 
    159.  }
    160. return false;
    161. }
    162. return true;
    163. }
    166. protected function checkSize($size){
    167. if($size>$this->size){
    168. $this->errorMsg="超出大小";
    169.   return false;
    170. }
    171.   return true;
    172. }
    174. protected function checkType($type){
    175. if(! in_array($type,$this->type)){
    176. $this->errorMsg='不被允许上传的类型:'.$type;
    178. return false;
    179. }
    180.   return true;
    181. }
    182. protected function generateName($tmp_name,$name){
    183. $fileData=file_get_contents(tmp_name);
    184. $fileMd5=md5($fileData);
    185.   $id=uniqid();
    186. //获得文件后缀
    187. $fileExt=pathinfo($file['name'],PATHINFO_EXTENSION);
    188. //拼接成文件名
    189. $fileName=$fileMd5 .'-'.$id.'.'.$fileExt;
    190. return $fileName;
    191. }
    192. protected function sava($tmp_name,$fileName){
    193. $path=$this->rootPath .$filename;
    194. if(is_uploaded_file($tmp_name)&& move_uploaded_file($tmp_name,$path)){
    195. return $path;
    196. }else{
    197. $this->errorMsg ="上传失败";
    198.   return false;
    199. }
    200. }
    201. }
    204. include './Upload.class.php';
    205. $obj=new Upload('f');
    206. $obj->size(1024*1024*10);
    207. $obj->type([
    208.         'image/png',
    209.         'application/x-masdownload',
    210. ]);
    212. if($obj->upload()){
    213. echo  "上传成功"；
    214. var_dump($obj->getFilePath());
    215. }else{
    216. echo $obj->getErrorMsg();
    217. }
    219. <!DOCTYPE html>
    220. <html>
    221. <head>
    222.   <meta charset="UTF-8">
    223.   <title>内容</title>
    224. </head
    225. <body>
    226.   h1>单文件上传</h1>
    227.   <form action="demo.php" method="post" enctype="multipart/form-data">
    228.   <input type="file" name="f">、
    229.   <button>上传</button>
    230.   </form>
    231.     <h1>多文件上传</h1>
    232.   <form action="demo.php" method="post" enctype="multipart/form-data">
    233.     <input type="file" name="f[]">
    234.     <input type="file" name="f[]">
    235.     <input type="file" name="f[]">
    236.       <button>上传</button>
    237.   </form>
    238.   </body>
    239. </html>
    241. <?php
    242. include './Upload.class.php';
    243. $obj=new Upload('f');
    244. var_dump($obj);
    246. class Upload{
    247. protected $fileInfo;
    248.   protected $errorMsg;
    249. protected $size =1024*1024*10;
    250.  protected $type =[
    251.       'image/png',
    252.       'image/jpg',
    253.       'image/gif'
    254. ];
    256. protected $rootPath='./uploads/';
    258. public function __construct($name){
    259. $this->fileInfo=$_FILES[$name];
    260. }
    261. public function geterrorMsg(){
    262. return $this->errorMsg;
    263. }
    264. public function $size($data=null){
    265. if ($data !== null && is_numeric($data)){
    266. $this->size = $data;
    267. }
    268. return $this->size;
    269. }
    270.   public function type($data=null){
    271.   if($data !== null && is_array($data)){
    272.   $this->type =$data;
    273.   }
    274.     return $this->type;
    275.   }
    276. public function rootPath($data=null){
    277. if ($data !== null && file_exists($data)){
    278. $data = rtrim($data,'/').'/';
    279. $this->rootPath = $data;
    280. }
    281. return $this->rootPath;
    282. }  
    284. }
    286. include './Upload.class.php';
    287. $obj=new Upload('f');
    288. $obj->size(1024*1024*10);
    289. if($obj->upload()){
    290. }else{
    291. echo $obj->geterrorMsg();
    292. }
    295. class Upload{
    296. protected $fileInfo;
    297.   protected $errorMsg;
    298. protected $size =1024*1024*10;
    299.  protected $type =[
    300.       'image/png',
    301.       'image/jpg',
    302.       'image/gif',
    303.            'application/x-zip-dompressed',
    304.        'application/vnd.ms-excel',
    305. ];
    307. protected $rootPath='./uploads/';
    309. public function __construct($name){
    310. $this->fileInfo=$_FILES[$name];
    311. }
    313. public function upload(){
    314. $error = $this->fileInfo['error'];
    315. $size=$this->fileInfo['size'];
    316. $type=$this->fileInfo['type'];
    318. $checkRes=$this->check($error,$size,$type);
    319. if($checkRes == false);
    320. }
    321. }
    322. public function geterrorMsg(){
    323. return $this->errorMsg;
    324. }
    325. public function $size($data=null){
    326. if ($data !== null && is_numeric($data)){
    327. $this->size = $data;
    328. }
    329. return $this->size;
    330. }
    331.   public function type($data=null){
    332.   if($data !== null && is_array($data)){
    333.   $this->type =$data;
    334.   }
    335.     return $this->type;
    336.   }
    337. public function rootPath($data=null){
    338. if ($data !== null && file_exists($data)){
    339. $data = rtrim($data,'/').'/';
    340. $this->rootPath = $data;
    341. }
    342. return $this->rootPath;
    343. }  
    345. protected function check($error,$size,$type){
    346. if($this->checkError($error)==false){
    347. return false;
    348. }
    349. if($this->checkSize($size)==false){
    350. return false;
    351. }
    352. return true;
    353. }
    355. protected function checkError($error)
    356. {
    357. if($error >0){
    358. switch($error){
    359.     case 1:
    360.     $this->errorMsg('上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值');
    361.      break;
    362.     case 2:
    363.    $this->errorMsg('上传的文件大小超过HTML表单中MAX_FILE_SIZE 选项指定的值');
    364.      break;
    365.     case 3:
    366.     $this->errorMsg('文件只有部分上传');
    367.      break;
    368.    case 4:
    369.    $this->errorMsg('没有文件被上传');
    370.      break;
    371.     case 6:
    372.     $this->errorMsg('找不到临时文件夹');
    373.      break;
    374.     case 7:
    375.      $this->errorMsg('文件写入失败');
    376.      break; 
    377.  }
    378. return false;
    379. }
    380. return true;
    381. }
    384. protected function checkSize($size){
    385. if($size>$this->size){
    386. $this->errorMsg="超出大小";
    387.   return false;
    388. }
    389.   return true;
    390. }
    392. protected function checkType($type){
    393. if(! in_array($type,$this->type)){
    394. $this->errorMsg='不被允许上传的类型:'.$type;
    396. return false;
    397. }
    398.   return true;
    399. }
    400. protected function generateName($tmp_name,$name){
    401. $fileData=file_get_contents(tmp_name);
    402. $fileMd5=md5($fileData);
    403.   $id=uniqid();
    404. //获得文件后缀
    405. $fileExt=pathinfo($file['name'],PATHINFO_EXTENSION);
    406. //拼接成文件名
    407. $fileName=$fileMd5 .'-'.$id.'.'.$fileExt;
    408. return $fileName;
    409. }
    410. protected function sava($tmp_name,$fileName){
    411. $path=$this->rootPath .$filename;
    412. if(is_uploaded_file($tmp_name)&& move_uploaded_file($tmp_name,$path)){
    413. return $path;
    414. }else{
    415. $this->errorMsg ="上传失败";
    416.   return false;
    417. }
    418. }
    419. }
    422. include './Upload.class.php';
    423. $obj=new Upload('f');
    424. $obj->size(1024*1024*10);
    425. $obj->type([
    426.         'image/png',
    427.         'application/x-masdownload',
    428. ]);
    430. if($obj->upload()){
    431. echo  "上传成功"；
    432. var_dump($obj->getFilePath());
    433. }else{
    434. echo $obj->getErrorMsg();
    435. }
    438. <!DOCTYPE html>
    439. <html>
    440. <head>
    441.   <meta charset="UTF-8">
    442.   <title>内容</title>
    443. </head
    444. <body>
    445.   h1>单文件上传</h1>
    446.   <form action="demo.php" method="post" enctype="multipart/form-data">
    447.   <input type="file" name="f">、
    448.   <button>上传</button>
    449.   </form>
    450.     <h1>多文件上传</h1>
    451.   <form action="demo.php" method="post" enctype="multipart/form-data">
    452.     <input type="file" name="f[]">
    453.     <input type="file" name="f[]">
    454.     <input type="file" name="f[]">
    455.       <button>上传</button>
    456.   </form>
    457.   </body>
    458. </html>
    460. <?php
    461. include './Upload.class.php';
    462. $obj=new Upload('f');
    463. var_dump($obj);
    465. class Upload{
    466. protected $fileInfo;
    467.   protected $errorMsg;
    468. protected $size =1024*1024*10;
    469.  protected $type =[
    470.       'image/png',
    471.       'image/jpg',
    472.       'image/gif'
    473. ];
    475. protected $rootPath='./uploads/';
    477. public function __construct($name){
    478. $this->fileInfo=$_FILES[$name];
    479. }
    480. public function geterrorMsg(){
    481. return $this->errorMsg;
    482. }
    483. public function $size($data=null){
    484. if ($data !== null && is_numeric($data)){
    485. $this->size = $data;
    486. }
    487. return $this->size;
    488. }
    489.   public function type($data=null){
    490.   if($data !== null && is_array($data)){
    491.   $this->type =$data;
    492.   }
    493.     return $this->type;
    494.   }
    495. public function rootPath($data=null){
    496. if ($data !== null && file_exists($data)){
    497. $data = rtrim($data,'/').'/';
    498. $this->rootPath = $data;
    499. }
    500. return $this->rootPath;
    501. }  
    503. }
    505. include './Upload.class.php';
    506. $obj=new Upload('f');
    507. $obj->size(1024*1024*10);
    508. if($obj->upload()){
    509. }else{
    510. echo $obj->geterrorMsg();
    511. }
    514. class Upload{
    515. protected $fileInfo;
    516.   protected $errorMsg;
    517. protected $size =1024*1024*10;
    518.  protected $type =[
    519.       'image/png',
    520.       'image/jpg',
    521.       'image/gif',
    522.            'application/x-zip-dompressed',
    523.        'application/vnd.ms-excel',
    524. ];
    526. protected $rootPath='./uploads/';
    528. public function __construct($name){
    529. $this->fileInfo=$_FILES[$name];
    530. }
    532. public function upload(){
    533. $error = $this->fileInfo['error'];
    534. $size=$this->fileInfo['size'];
    535. $type=$this->fileInfo['type'];
    537. $checkRes=$this->check($error,$size,$type);
    538. if($checkRes == false);
    539. }
    540. }
    541. public function geterrorMsg(){
    542. return $this->errorMsg;
    543. }
    544. public function $size($data=null){
    545. if ($data !== null && is_numeric($data)){
    546. $this->size = $data;
    547. }
    548. return $this->size;
    549. }
    550.   public function type($data=null){
    551.   if($data !== null && is_array($data)){
    552.   $this->type =$data;
    553.   }
    554.     return $this->type;
    555.   }
    556. public function rootPath($data=null){
    557. if ($data !== null && file_exists($data)){
    558. $data = rtrim($data,'/').'/';
    559. $this->rootPath = $data;
    560. }
    561. return $this->rootPath;
    562. }  
    564. protected function check($error,$size,$type){
    565. if($this->checkError($error)==false){
    566. return false;
    567. }
    568. if($this->checkSize($size)==false){
    569. return false;
    570. }
    571. return true;
    572. }
    574. protected function checkError($error)
    575. {
    576. if($error >0){
    577. switch($error){
    578.     case 1:
    579.     $this->errorMsg('上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值');
    580.      break;
    581.     case 2:
    582.    $this->errorMsg('上传的文件大小超过HTML表单中MAX_FILE_SIZE 选项指定的值');
    583.      break;
    584.     case 3:
    585.     $this->errorMsg('文件只有部分上传');
    586.      break;
    587.    case 4:
    588.    $this->errorMsg('没有文件被上传');
    589.      break;
    590.     case 6:
    591.     $this->errorMsg('找不到临时文件夹');
    592.      break;
    593.     case 7:
    594.      $this->errorMsg('文件写入失败');
    595.      break; 
    596.  }
    597. return false;
    598. }
    599. return true;
    600. }
    603. protected function checkSize($size){
    604. if($size>$this->size){
    605. $this->errorMsg="超出大小";
    606.   return false;
    607. }
    608.   return true;
    609. }
    611. protected function checkType($type){
    612. if(! in_array($type,$this->type)){
    613. $this->errorMsg='不被允许上传的类型:'.$type;
    615. return false;
    616. }
    617.   return true;
    618. }
    619. protected function generateName($tmp_name,$name){
    620. $fileData=file_get_contents(tmp_name);
    621. $fileMd5=md5($fileData);
    622.   $id=uniqid();
    623. //获得文件后缀
    624. $fileExt=pathinfo($file['name'],PATHINFO_EXTENSION);
    625. //拼接成文件名
    626. $fileName=$fileMd5 .'-'.$id.'.'.$fileExt;
    627. return $fileName;
    628. }
    629. protected function sava($tmp_name,$fileName){
    630. $path=$this->rootPath .$filename;
    631. if(is_uploaded_file($tmp_name)&& move_uploaded_file($tmp_name,$path)){
    632. return $path;
    633. }else{
    634. $this->errorMsg ="上传失败";
    635.   return false;
    636. }
    637. }
    638. }
    641. include './Upload.class.php';
    642. $obj=new Upload('f');
    643. $obj->size(1024*1024*10);
    644. $obj->type([
    645.         'image/png',
    646.         'application/x-masdownload',
    647. ]);
    649. if($obj->upload()){
    650. echo  "上传成功"；
    651. var_dump($obj->getFilePath());
    652. }else{
    653. echo $obj->getErrorMsg();
    654. }

    笔记：
    封装一个类：文件上传的功能
    面向过程：按照操作(功能：文件上传)来编写，一步一步按照顺序去实现功能
    面向对象：按照功能（将文件上传功能下的子功能拆分为一个一个的方法），将子功能抽象成为方法，然后把描述抽象成为属性

    对象：文件上传功能
    属性：文件信息 错误信息 文件最大上传字节 文件限定的类型 文件根保存目录
    方法：接受文件信息 判断是否有错误 判断大小是否超出 判断文件类型是否允许上传 保存文件的操作