Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > PHP design super easy-to-use file upload processing class 1 (37), _PHP tutorial

PHP design super easy-to-use file upload processing class 1 (37), _PHP tutorial

WBOY
Release： 2016-07-13 09:52:21
Original
893 people have browsed it

PHP designed super easy-to-use file upload processing class 1 (37), 

<?<span>php
    </span><span>class</span><span> FileUpload {
        </span><span>private</span> $filepath;     <span>//</span><span>指定上传文件保存的路径</span>
        <span>private</span> $allowtype=array(<span>'</span><span>gif</span><span>'</span>, <span>'</span><span>jpg</span><span>'</span>, <span>'</span><span>png</span><span>'</span>, <span>'</span><span>jpeg</span><span>'</span>);  <span>//</span><span>充许上传文件的类型</span>
        <span>private</span> $maxsize=<span>1000000</span>;  <span>//</span><span>允上传文件的最大长度 1M</span>
        <span>private</span> $israndname=<span>true</span>;  <span>//</span><span>是否随机重命名， true false不随机，使用原文件名</span>
        <span>private</span> $originName;   <span>//</span><span>源文件名称</span>
        <span>private</span> $tmpFileName;   <span>//</span><span>临时文件名</span>
        <span>private</span> $fileType;  <span>//</span><span>文件类型</span>
        <span>private</span> $fileSize;  <span>//</span><span>文件大小</span>
        <span>private</span> $newFileName; <span>//</span><span>新文件名</span>
        <span>private</span> $errorNum=<span>0</span>;  <span>//</span><span>错误号</span>
        <span>private</span> $errorMess=<span>""</span>; <span>//</span><span>用来提供错误报告



        </span><span>//</span><span>用于对上传文件初使化
        </span><span>//</span><span>1. 指定上传路径， 2，充许的类型， 3，限制大小， 4，是否使用随机文件名称
        </span><span>//</span><span>让用户可以不用按位置传参数，后面参数给值不用将前几个参数也提供值</span>
        function __construct($options=<span>array()){
            </span><span>foreach</span>($options <span>as</span> $key=><span>$val){
                $key</span>=<span>strtolower($key);
                </span><span>//</span><span>查看用户参数中数组的下标是否和成员属性名相同</span>
                <span>if</span>(!in_array($key,get_class_vars(get_class($<span>this</span><span>)))){
                    </span><span>continue</span><span>;
                }

                $</span><span>this</span>-><span>setOption($key, $val);
            }
         
        
        }
    


        </span><span>private</span><span> function getError(){
            $str</span>=<span>"</span><span>上传文件<font color='red'>{$this->originName}</font>时出错：</span><span>"</span><span>;

            </span><span>switch</span>($<span>this</span>-><span>errorNum){
                </span><span>case</span> <span>4</span>: $str .= <span>"</span><span>没有文件被上传</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> <span>3</span>: $str .= <span>"</span><span>文件只被部分上传</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> <span>2</span>: $str .= <span>"</span><span>上传文件超过了HTML表单中MAX_FILE_SIZE选项指定的值</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> <span>1</span>: $str .= <span>"</span><span>上传文件超过了php.ini 中upload_max_filesize选项的值</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> -<span>1</span>: $str .= <span>"</span><span>末充许的类型</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> -<span>2</span>: $str .= <span>"</span><span>文件过大，上传文件不能超过{$this->maxSize}个字节</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> -<span>3</span>: $str .= <span>"</span><span>上传失败</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> -<span>4</span>: $str .= <span>"</span><span>建立存放上传文件目录失败，请重新指定上传目录</span><span>"</span>; <span>break</span><span>;
                </span><span>case</span> -<span>5</span>: $str .= <span>"</span><span>必须指定上传文件的路径</span><span>"</span>; <span>break</span><span>;

                </span><span>default</span>: $str .=  <span>"</span><span>末知错误</span><span>"</span><span>;
            }

            </span><span>return</span> $str.<span>'</span><span><br></span><span>'</span><span>;
        }
    
        </span><span>//</span><span>用来检查文件上传路径</span>
        <span>private</span><span> function checkFilePath(){
            </span><span>if</span>(empty($<span>this</span>-><span>filepath)) {
                $</span><span>this</span>->setOption(<span>'</span><span>errorNum</span><span>'</span>, -<span>5</span><span>);
                </span><span>return</span> <span>false</span><span>;
            }

            </span><span>if</span>(!file_exists($<span>this</span>->filepath) || !is_writable($<span>this</span>-><span>filepath)){
                </span><span>if</span>(!@mkdir($<span>this</span>->filepath, <span>0755</span><span>)){
                    $</span><span>this</span>->setOption(<span>'</span><span>errorNum</span><span>'</span>, -<span>4</span><span>);
                    </span><span>return</span> <span>false</span><span>;
                }
            }
            </span><span>return</span> <span>true</span><span>;
        }
        </span><span>//</span><span>用来检查文件上传的大小</span>
        <span>private</span><span> function checkFileSize() {
            </span><span>if</span>($<span>this</span>->fileSize > $<span>this</span>-><span>maxsize){
                $</span><span>this</span>->setOPtion(<span>'</span><span>errorNum</span><span>'</span>, <span>'</span><span>-2</span><span>'</span><span>);
                </span><span>return</span> <span>false</span><span>;
            }</span><span>else</span><span>{
                </span><span>return</span> <span>true</span><span>;
            }
        }

        </span><span>//</span><span>用于检查文件上传类型</span>
        <span>private</span><span> function checkFileType() {
            </span><span>if</span>(in_array(strtolower($<span>this</span>->fileType), $<span>this</span>-><span>allowtype)) {
                </span><span>return</span> <span>true</span><span>;
            }</span><span>else</span><span>{
                $</span><span>this</span>->setOption(<span>'</span><span>errorNum</span><span>'</span>, -<span>1</span><span>);
                </span><span>return</span> <span>false</span><span>;
            }
        }
        </span><span>//</span><span>设置上传后的文件名称</span>
        <span>private</span><span> function setNewFileName(){
            </span><span>if</span>($<span>this</span>-><span>israndname){
                $</span><span>this</span>->setOption(<span>'</span><span>newFileName</span><span>'</span>, $<span>this</span>-><span>proRandName());
            } </span><span>else</span><span> {
                $</span><span>this</span>->setOption(<span>'</span><span>newFileName</span><span>'</span>, $<span>this</span>-><span>originName);
            }
        }



        </span><span>//</span><span>设置随机文件名称</span>
        <span>private</span><span> function proRandName(){
            $fileName</span>=date(<span>"</span><span>YmdHis</span><span>"</span>).rand(<span>100</span>,<span>999</span><span>);
            </span><span>return</span> $fileName.<span>'</span><span>.</span><span>'</span>.$<span>this</span>-><span>fileType;
        }
    
        </span><span>private</span><span> function setOption($key, $val){
            $</span><span>this</span>->$key=<span>$val;
        }
        </span><span>//</span><span>用来上传一个文件</span>
<span>        function uploadFile($fileField){
            $</span><span>return</span>=<span>true</span><span>;
            </span><span>//</span><span>检查文件上传路径</span>
            <span>if</span>(!$<span>this</span>-><span>checkFilePath()){
                $</span><span>this</span>->errorMess=$<span>this</span>-><span>getError();
                </span><span>return</span> <span>false</span><span>;
            }

            
            $name</span>=$_FILES[$fileField][<span>'</span><span>name</span><span>'</span><span>];
            $tmp_name</span>=$_FILES[$fileField][<span>'</span><span>tmp_name</span><span>'</span><span>];
            $size</span>=$_FILES[$fileField][<span>'</span><span>size</span><span>'</span><span>];
            $error</span>=$_FILES[$fileField][<span>'</span><span>error</span><span>'</span><span>];

            </span><span>if</span><span>(is_Array($name)){
                $errors</span>=<span>array();

                </span><span>for</span>($i=<span>0</span>; $i<count($name); $i++<span>){
                    </span><span>if</span>($<span>this</span>-><span>setFiles($name[$i], $tmp_name[$i], $size[$i], $error[$i])){
                        </span><span>if</span>(!$<span>this</span>->checkFileSize() || !$<span>this</span>-><span>checkFileType()){
                            $errors[]</span>=$<span>this</span>-><span>getError();
                            $</span><span>return</span>=<span>false</span><span>;
                        }
                    }</span><span>else</span><span>{
                        $error[]</span>=$<span>this</span>-><span>getError();
                        $</span><span>return</span>=<span>false</span><span>;
                    }

                    </span><span>if</span>(!$<span>return</span><span>)
                        $</span><span>this</span>-><span>setFiles();
                }

                </span><span>if</span>($<span>return</span><span>){
                    $fileNames</span>=<span>array();

                    </span><span>for</span>($i=<span>0</span>; $i<count($name); $i++<span>){
                        </span><span>if</span>($<span>this</span>-><span>setFiles($name[$i], $tmp_name[$i], $size[$i], $error[$i])){
                            $</span><span>this</span>-><span>setNewFileName();
                            </span><span>if</span>(!$<span>this</span>-><span>copyFile()){
                                $errors</span>=$<span>this</span>-><span>getError();
                                $</span><span>return</span>=<span>false</span><span>;
                            }</span><span>else</span><span>{
                                $fileNames[]</span>=$<span>this</span>-><span>newFileName;
                            }
                        }
                    }

                    $</span><span>this</span>->newFileName=<span>$fileNames;
                }

                $</span><span>this</span>->errorMess=<span>$errors;
                </span><span>return</span> $<span>return</span><span>;
            } </span><span>else</span><span> {
                
                    </span><span>if</span>($<span>this</span>-><span>setFiles($name, $tmp_name, $size, $error)){
                        </span><span>if</span>($<span>this</span>->checkFileSize() && $<span>this</span>-><span>checkFileType()){
                            $</span><span>this</span>-><span>setNewFileName();

                            </span><span>if</span>($<span>this</span>-><span>copyFile()){
                                </span><span>return</span> <span>true</span><span>;
                            }</span><span>else</span><span>{
                                $</span><span>return</span>=<span>false</span><span>;
                            }
                                
                        }</span><span>else</span><span>{
                            $</span><span>return</span>=<span>false</span><span>;
                        }    
                    }</span><span>else</span><span>{
                        $</span><span>return</span>=<span>false</span><span>;
                    }
                    
                    

                    </span><span>if</span>(!$<span>return</span><span>)
                        $</span><span>this</span>->errorMess=$<span>this</span>-><span>getError();


                    </span><span>return</span> $<span>return</span><span>;
            }            
        }

        </span><span>private</span><span> function copyFile(){
            </span><span>if</span>(!$<span>this</span>-><span>errorNum){
                $filepath</span>=rtrim($<span>this</span>->filepath, <span>'</span><span>/</span><span>'</span>).<span>'</span><span>/</span><span>'</span><span>;
                $filepath.</span>=$<span>this</span>-><span>newFileName;

                </span><span>if</span>(@move_uploaded_file($<span>this</span>-><span>tmpFileName, $filepath))    {
                    </span><span>return</span> <span>true</span><span>;
                }</span><span>else</span><span>{
                    $</span><span>this</span>->setOption(<span>'</span><span>errorNum</span><span>'</span>, -<span>3</span><span>);
                    </span><span>return</span> <span>false</span><span>;
                }
                    
            }</span><span>else</span><span>{
                </span><span>return</span> <span>false</span><span>;
            }
        }

        </span><span>//</span><span>设置和$_FILES有关的内容</span>
        <span>private</span> function setFiles($name=<span>""</span>, $tmp_name=<span>''</span>, $size=<span>0</span>, $error=<span>0</span><span>){
        
            $</span><span>this</span>->setOption(<span>'</span><span>errorNum</span><span>'</span><span>, $error);
                
            </span><span>if</span><span>($error){
                </span><span>return</span> <span>false</span><span>;
            }

            $</span><span>this</span>->setOption(<span>'</span><span>originName</span><span>'</span><span>, $name);
            $</span><span>this</span>->setOption(<span>'</span><span>tmpFileName</span><span>'</span><span>, $tmp_name);
            $arrStr</span>=explode(<span>'</span><span>.</span><span>'</span><span>, $name); 
            $</span><span>this</span>->setOption(<span>'</span><span>fileType</span><span>'</span>, strtolower($arrStr[count($arrStr)-<span>1</span><span>]));
            $</span><span>this</span>->setOption(<span>'</span><span>fileSize</span><span>'</span><span>, $size);    

            </span><span>return</span> <span>true</span><span>;
        }    

        </span><span>//</span><span>用于获取上传后文件的文件名</span>
<span>        function getNewFileName(){
            </span><span>return</span> $<span>this</span>-><span>newFileName;
        }
        </span><span>//</span><span>上传如果失败，则调用这个方法，就可以查看错误报告</span>
<span>        function getErrorMsg() {
            </span><span>return</span> $<span>this</span>-><span>errorMess;
        }
    }</span>
Copy after login

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1008857.htmlTechArticlePHP design super easy-to-use file upload processing class one (37), ? php class FileUpload { private $filepath; //Specify the path to save the uploaded file private $allowtype=array( ' gif ' , '...
Related labels：
php one upload deal with good document use kind design
source：php.cn
Previous article：PHP simply implements HTTP and HTTPS cross-domain sharing session solutions, httpssession_PHP tutorial Next article：Methods to implement malicious DDOS attacks in PHP to avoid bandwidth usage problems, malicious DDOS_PHP tutorial
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
PHP arrays obtained from URL parameters do not behave as expected I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
0
1
1428
Where should I place CustomLog directive in apache I'm using php:7.2-apachedocker. I need to disable health check url login access log. Based...
From 2024-04-06 22:03:59
0
1
990
What is the format of the variables in the return value? I am a new learner of php. I found a piece of code: if($x<time()){return[false,'error']...
From 2024-04-06 21:55:20
0
1
778
Problems encountered when using opentbs to generate odt files: values ​​of the same key are displayed in the same row instead of separate columns. I'm using a library called OpenTbs to create odt using PHP, I'm using it because columns a...
From 2024-04-06 20:18:18
0
1
483
Group MySQL results by ID for looping over I have a table with flight data in mysql. I'm writing a php code that will group and displ...
From 2024-04-06 17:27:56
0
1
406
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template