为什么我上传什么文件 都说扩展名不对文件类型不对
封装代码
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 | <?php class UploadFile { /** * */ const UPLOAD_ERROR = [ UPLOAD_ERR_INI_SIZE => '文件大小超出了php.ini当中的upload_max_filesize的值' , UPLOAD_ERR_FORM_SIZE => '文件大小超出了MAX_FILE_SIZE的值' , UPLOAD_ERR_PARTIAL => '文件只有部分被上传' , UPLOAD_ERR_NO_FILE => '没有文件被上传' , UPLOAD_ERR_NO_TMP_DIR => '找不到临时目录' , UPLOAD_ERR_CANT_WRITE => '写入磁盘失败' , UPLOAD_ERR_EXTENSION => '文件上传被扩展阻止' , ]; /** * @var */ protected $field_name ; //受保护的,只有本类或子类或父类中可以访问 文件名 /** * @var string */ protected $destination_dir ; //目录路径 /** * @var array */ protected $allow_mime ; /** * @var array */ protected $allow_ext ; /** * @var */ protected $file_org_name ; /** * @var */ protected $file_type ; /** * @var */ protected $file_tmp_name ; /** * @var */ protected $file_error ; /** * @var */ protected $file_size ; /** * @var array */ protected $errors ; /** * @var */ protected $extension ; /** * @var */ protected $file_new_name ; /** * @var float|int */ protected $allow_size ; /** * UploadFile constructor. * @param $keyName * @param string $destinationDir * @param array $allowMime * @param array $allowExt * @param float|int $allowSize */ public function __construct( $keyName , $destinationDir = './uploads' , $allowMime = [ 'image/jpeg' , 'image/gif' ], $allowExt = [ 'gif' , 'jpeg' ], $allowSize = 2*1024*1024) //如果成功,则该函数返回一个对象。如果失败,则返回 false。 { $this ->field_name = $keyName ; $this ->destination_dir = $destinationDir ; $this ->allow_mime = $allowMime ; $this ->allow_ext = $allowExt ; $this ->allow_size = $allowSize ; } /** * @param $destinationDir */ public function setDestinationDir( $destinationDir ) { $this ->destination_dir = $destinationDir ; } /** * @param $allowMime */ public function setAllowMime( $allowMime ) { $this ->allow_mime = $allowMime ; } /** * @param $allowExt */ public function setAllowExt( $allowExt ) { $this ->allow_ext = $allowExt ; } /** * @param $allowSize */ public function setAllowSize( $allowSize ) { $this ->allow_size = $allowSize ; } /** * @return bool */ public function upload() { // 判断是否为多文件上传 $files = []; if ( is_array ( $_FILES [ $this ->field_name][ 'name' ])) { foreach ( $_FILES [ $this ->field_name][ 'name' ] as $k => $v ) { $files [ $k ][ 'name' ] = $v ; $files [ $k ][ 'type' ] = $_FILES [ $this ->field_name][ 'type' ][ $k ]; $files [ $k ][ 'tmp_name' ] = $_FILES [ $this ->field_name][ 'tmp_name' ][ $k ]; $files [ $k ][ 'error' ] = $_FILES [ $this ->field_name][ 'error' ][ $k ]; $files [ $k ][ 'size' ] = $_FILES [ $this ->field_name][ 'size' ][ $k ]; } } else { $files [] = $_FILES [ $this ->field_name]; } foreach ( $files as $key => $file ) { // 接收$_FILES参数 $this ->setFileInfo( $key , $file ); // 检查错误 $this ->checkError( $key ); // 检查MIME类型 $this ->checkMime( $key ); // 检查扩展名 $this ->checkExt( $key ); // 检查文件大小 $this ->checkSize( $key ); // 生成新的文件名称 $this ->generateNewName( $key ); if ( count (( array ) $this ->getError( $key )) > 0) { continue ; } // 移动文件 $this ->moveFile( $key ); } if ( count (( array ) $this ->errors) > 0) { return false; } return true; } /** * @return array */ public function getErrors() { return $this ->errors; } /** * @param $key * @return mixed */ protected function getError( $key ) { return $this ->errors[ $key ]; } /** * */ protected function setFileInfo( $key , $file ) //用来设定 接收到$_FILES的参数 { // $_FILES name type temp_name error size $this ->file_org_name[ $key ] = $file [ 'name' ]; $this ->file_type[ $key ] = $file [ 'type' ]; $this ->file_tmp_name[ $key ] = $file [ 'tmp_name' ]; $this ->file_error[ $key ] = $file [ 'error' ]; $this ->file_size[ $key ] = $file [ 'size' ]; } /** * @param $key * @param $error */ protected function setError( $key , $error ) { $this ->errors[ $key ][] = $error ; } /** * @param $key * @return bool */ protected function checkError( $key ) { if ( $this ->file_error > UPLOAD_ERR_OK) { switch ( $this ->file_error) { case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE: case UPLOAD_ERR_PARTIAL: case UPLOAD_ERR_NO_FILE: case UPLOAD_ERR_NO_TMP_DIR: case UPLOAD_ERR_CANT_WRITE: case UPLOAD_ERR_EXTENSION: $this ->setError( $key , self::UPLOAD_ERROR[ $this ->file_error]); //内部访问常量用self:: return false; } } return true; } /** * @param $key * @return bool */ protected function checkMime( $key ) { if (!in_array( $this ->file_type[ $key ], $this ->allow_mime)) { $this ->setError( $key , '文件类型' . $this ->file_type[ $key ] . '不被允许!' ); return false; } return true; } /** * @param $key * @return bool */ protected function checkExt( $key ) { $this ->extension[ $key ] = pathinfo ( $this ->file_org_name[ $key ], PATHINFO_EXTENSION); if (!in_array( $this ->extension[ $key ], $this ->allow_ext)) { $this ->setError( $key , '文件扩展名' . $this ->extension[ $key ] . '不被允许!' ); return false; } return true; } /** * @return bool */ protected function checkSize( $key ) { if ( $this ->file_size[ $key ] > $this ->allow_size) { $this ->setError( $key , '文件大小' . $this ->file_size[ $key ] . '超出了限定大小' . $this ->allow_size); return false; } return true; } /** * @param $key */ protected function generateNewName( $key ) //生成新的文件名 { $this ->file_new_name[ $key ] = uniqid() . '.' . $this ->extension[ $key ]; } /** * @param $key * @return bool */ protected function moveFile( $key ) { if (! file_exists ( $this ->destination_dir)) { mkdir ( $this ->destination_dir, 0777, true); } $newName = rtrim( $this ->destination_dir, '/' ) . '/' . $this ->file_new_name[ $key ]; if ( is_uploaded_file ( $this ->file_tmp_name[ $key ]) && move_uploaded_file( $this ->file_tmp_name[ $key ], $newName )) { return true; } $this ->setError( $key , '上传失败!' ); return false; } /** * @return mixed */ public function getFileName() { return $this ->file_new_name; } /** * @return string */ public function getDestinationDir() { return $this ->destination_dir; } /** * @return mixed */ public function getExtension() { return $this ->extension; } /** * @return mixed */ public function getFileSize() { return $this ->file_size; } } |
html代码
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | <!DOCTYPE html> < html lang = "en" > < head > < meta charset = "UTF-8" > < title >Test Upload Class</ title > </ head > < body > < form action = "4test.php" method = "post" enctype = "multipart/form-data" > < input type = "hidden" name = "MAX_FILE_SIZE" VALUE = "10240000" > < input type = "file" name = "imooc_file" id = "" > < input type = "submit" value = "上传" > </ form > </ body > </ html > |
1 | 调用类PHP文件 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | <?php require ( '4fengzhuang.php' ); //通过这些方法去设定 $upload = new UploadFile( 'imooc_pic' ); $upload ->setDestinationDir( './uploads' ); $upload ->setAllowMime([ 'image/jpeg' , 'image/gif' , 'image/jpg' ]); $upload ->setAllowExt([ 'gif' , 'jpeg' , 'jpg' ]); $upload ->setAllowSize(2*1024*1024); //设定好了之后 打印出来 if ( $upload ->upload()) { var_dump( $upload ->getFileName()); var_dump( $upload ->getDestinationDir()); var_dump( $upload ->getExtension()); var_dump( $upload ->getFileSize()); } else { var_dump( $upload ->getErrors()); } |
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正在回答 回答被采纳积分+1
3回答
guly
2019-11-20 16:07:10
你好,老师经过调试后的代码如下:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 | <?php class UploadFile //改文件修改比较多建议仔细查看 { /** * */ const UPLOAD_ERROR = [ UPLOAD_ERR_INI_SIZE => '文件大小超出了php.ini当中的upload_max_filesize的值' , UPLOAD_ERR_FORM_SIZE => '文件大小超出了MAX_FILE_SIZE的值' , UPLOAD_ERR_PARTIAL => '文件只有部分被上传' , UPLOAD_ERR_NO_FILE => '没有文件被上传' , UPLOAD_ERR_NO_TMP_DIR => '找不到临时目录' , UPLOAD_ERR_CANT_WRITE => '写入磁盘失败' , UPLOAD_ERR_EXTENSION => '文件上传被扩展阻止' , ]; /** * @var */ protected $field_name ; //受保护的,只有本类或子类或父类中可以访问 文件名 /** * @var string */ protected $destination_dir ; //目录路径 /** * @var array */ protected $allow_mime ; /** * @var array */ protected $allow_ext ; /** * @var */ protected $file_org_name ; /** * @var */ protected $file_type ; /** * @var */ protected $file_tmp_name ; /** * @var */ protected $file_error ; /** * @var */ protected $file_size ; /** * @var array */ protected $errors ; /** * @var */ protected $extension ; /** * @var */ protected $file_new_name ; /** * @var float|int */ protected $allow_size ; /** * UploadFile constructor. * @param $keyName * @param string $destinationDir * @param array $allowMime * @param array $allowExt * @param float|int $allowSize */ public function __construct( $keyName , $destinationDir = './uploads' , $allowMime = [ 'image/jpeg' , 'image/gif' , 'image/png' ], $allowExt = [ 'gif' , 'jpeg' , 'png' ], $allowSize = 2 * 1024 * 1024) //如果成功,则该函数返回一个对象。如果失败,则返回 false。 { //添加了png,测试使用png图片上传可以上传成功, $this ->field_name = $keyName ; $this ->destination_dir = $destinationDir ; $this ->allow_mime = $allowMime ; $this ->allow_ext = $allowExt ; $this ->allow_size = $allowSize ; } /** * @param $destinationDir */ public function setDestinationDir( $destinationDir ) { $this ->destination_dir = $destinationDir ; } /** * @param $allowMime */ public function setAllowMime( $allowMime ) { $this ->allow_mime = $allowMime ; } /** * @param $allowExt */ public function setAllowExt( $allowExt ) { $this ->allow_ext = $allowExt ; } /** * @param $allowSize */ public function setAllowSize( $allowSize ) { $this ->allow_size = $allowSize ; } /** * @return bool */ public function upload() { // 判断是否为多文件上传 $files = []; // print_r($_FILES); // print_r("</br>"); // print_r($_FILES[$this->field_name]); // print_r("</br>"); // die(); // if (is_array($_FILES[$this->field_name]['name'])) { if ( is_array ( $_FILES [ $this ->field_name])) { // print_r($_FILES[$this->field_name]);die(); foreach ( $_FILES [ $this ->field_name] as $k => $v ) { $files [ $k ] = $v ; // $files[$k]['name'] = $v; // $files[$k]['type'] = $_FILES[$this->field_name]['type'][$k]; // $files[$k]['tmp_name'] = $_FILES[$this->field_name]['tmp_name'][$k]; // $files[$k]['error'] = $_FILES[$this->field_name]['error'][$k]; // $files[$k]['size'] = $_FILES[$this->field_name]['size'][$k]; } } else { $files [] = $_FILES [ $this ->field_name]; } foreach ( $files as $key => $file ) { // 接收$_FILES参数 $this ->setFileInfo( $key , $files ); // 检查错误 $this ->checkError( $key ); // 检查MIME类型 $this ->checkMime( $key ); // 检查扩展名 $this ->checkExt( $key ); // 检查文件大小 $this ->checkSize( $key ); // 生成新的文件名称 $this ->generateNewName( $key ); if ( count (( array ) $this ->getError( $files [ 'error' ])) > 0) { continue ; } // 移动文件 $this ->moveFile( $key , $files ); } if ( count (( array ) $this ->errors) > 0) { return false; } return true; } /** * @return array */ public function getErrors() { return $this ->errors; } /** * @param $key * @return mixed */ protected function getError( $key ) { if ( $key ){ return $this ->errors[ $key ]; } } /** * */ protected function setFileInfo( $key , $files ) //用来设定 接收到$_FILES的参数 { // $_FILES name type temp_name error size // $this->file_org_name[$key] = $file['name']; // $this->file_type[$key] = $file['type']; // $this->file_tmp_name[$key] = $file['tmp_name']; // $this->file_error[$key] = $file['error']; // $this->file_size[$key] = $file['size']; $this ->file_org_name[ $key ] = $files [ 'name' ]; $this ->file_type[ $key ] = $files [ 'type' ]; $this ->file_tmp_name[ $key ] = $files [ 'tmp_name' ]; $this ->file_error[ $key ] = $files [ 'error' ]; $this ->file_size[ $key ] = $files [ 'size' ]; } /** * @param $key * @param $error */ protected function setError( $key , $error ) { $this ->errors[ $key ][] = $error ; } /** * @param $key * @return bool */ protected function checkError( $key ) { if ( $this ->file_error > UPLOAD_ERR_OK) { switch ( $this ->file_error) { case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE: case UPLOAD_ERR_PARTIAL: case UPLOAD_ERR_NO_FILE: case UPLOAD_ERR_NO_TMP_DIR: case UPLOAD_ERR_CANT_WRITE: case UPLOAD_ERR_EXTENSION: $this ->setError( $key , self::UPLOAD_ERROR[ $this ->file_error]); //内部访问常量用self:: return false; } } return true; } /** * @param $key * @return bool */ protected function checkMime( $key ) { if (!in_array( $this ->file_type[ $key ], $this ->allow_mime)) { $this ->setError( $key , '文件类型' . $this ->file_type[ $key ] . '不被允许!' ); return false; } return true; } /** * @param $key * @return bool */ protected function checkExt( $key ) { $this ->extension[ $key ] = pathinfo ( $this ->file_org_name[ $key ], PATHINFO_EXTENSION); if (!in_array( $this ->extension[ $key ], $this ->allow_ext)) { $this ->setError( $key , '文件扩展名' . $this ->extension[ $key ] . '不被允许!' ); return false; } return true; } /** * @return bool */ protected function checkSize( $key ) { if ( $this ->file_size[ $key ] > $this ->allow_size) { $this ->setError( $key , '文件大小' . $this ->file_size[ $key ] . '超出了限定大小' . $this ->allow_size); return false; } return true; } /** * @param $key */ protected function generateNewName( $key ) //生成新的文件名 { $this ->file_new_name[ $key ] = uniqid() . '.' . $this ->extension[ $key ]; } /** * @param $key * @return bool */ protected function moveFile( $key , $files ) { // print_r($key); $newName = rtrim( $this ->destination_dir, '/' ) . '/' . $this ->file_new_name[ $key ]; if ( is_uploaded_file ( $this ->file_tmp_name[ $key ]) && move_uploaded_file( $this ->file_tmp_name[ $key ], $newName )) { echo "上传成功!" ; die (); } else { $this ->setError( $key , '上传失败!' ); } return false; } /** * @return mixed */ public function getFileName() { return $this ->file_new_name; } /** * @return string */ public function getDestinationDir() { return $this ->destination_dir; } /** * @return mixed */ public function getExtension() { return $this ->extension; } /** * @return mixed */ public function getFileSize() { return $this ->file_size; } } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | <?php require ( 'fengzhuang.php' ); //通过这些方法去设定 $upload = new UploadFile( 'imooc_file' ); //与post中那么保持一致 $upload ->setDestinationDir( './uploads' ); $upload ->setAllowMime([ 'image/jpeg' , 'image/gif' , 'image/jpg' , 'image/png' ]); $upload ->setAllowExt([ 'gif' , 'jpeg' , 'jpg' , 'png' ]); $upload ->setAllowSize(2*1024*1024); //设定好了之后 打印出来 if ( $upload ->upload()) { var_dump( $upload ->getFileName()); var_dump( $upload ->getDestinationDir()); var_dump( $upload ->getExtension()); var_dump( $upload ->getFileSize()); } else { var_dump( $upload ->getErrors()); } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | <!DOCTYPE html> <html lang= "en" > <head> <meta charset= "UTF-8" > <title>Test Upload Class</title> </head> <body> <form action= "test.php" method= "post" enctype= "multipart/form-data" > <input type= "hidden" name= "MAX_FILE_SIZE" VALUE= "10240000" > <input type= "file" name= "imooc_file" id= "" > //修改一 <input type= "submit" value= "上传" > </form> </body> </html> |
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