PHP设计超级好用的文件上传处置类一 （37）

<?<span style="color: #000000;">php    </span><span style="color: #0000ff;">class</span><span style="color: #000000;"> FileUpload {        </span><span style="color: #0000ff;">private</span> $filepath;     <span style="color: #008000;">//</span><span style="color: #008000;">指定上传文件保存的路径</span>        <span style="color: #0000ff;">private</span> $allowtype=array(<span style="color: #800000;">'</span><span style="color: #800000;">gif</span><span style="color: #800000;">'</span>, <span style="color: #800000;">'</span><span style="color: #800000;">jpg</span><span style="color: #800000;">'</span>, <span style="color: #800000;">'</span><span style="color: #800000;">png</span><span style="color: #800000;">'</span>, <span style="color: #800000;">'</span><span style="color: #800000;">jpeg</span><span style="color: #800000;">'</span>);  <span style="color: #008000;">//</span><span style="color: #008000;">充许上传文件的类型</span>        <span style="color: #0000ff;">private</span> $maxsize=<span style="color: #800080;">1000000</span>;  <span style="color: #008000;">//</span><span style="color: #008000;">允上传文件的最大长度 1M</span>        <span style="color: #0000ff;">private</span> $israndname=<span style="color: #0000ff;">true</span>;  <span style="color: #008000;">//</span><span style="color: #008000;">是否随机重命名， true false不随机，使用原文件名</span>        <span style="color: #0000ff;">private</span> $originName;   <span style="color: #008000;">//</span><span style="color: #008000;">源文件名称</span>        <span style="color: #0000ff;">private</span> $tmpFileName;   <span style="color: #008000;">//</span><span style="color: #008000;">临时文件名</span>        <span style="color: #0000ff;">private</span> $fileType;  <span style="color: #008000;">//</span><span style="color: #008000;">文件类型</span>        <span style="color: #0000ff;">private</span> $fileSize;  <span style="color: #008000;">//</span><span style="color: #008000;">文件大小</span>        <span style="color: #0000ff;">private</span> $newFileName; <span style="color: #008000;">//</span><span style="color: #008000;">新文件名</span>        <span style="color: #0000ff;">private</span> $errorNum=<span style="color: #800080;">0</span>;  <span style="color: #008000;">//</span><span style="color: #008000;">错误号</span>        <span style="color: #0000ff;">private</span> $errorMess=<span style="color: #800000;">""</span>; <span style="color: #008000;">//</span><span style="color: #008000;">用来提供错误报告        </span><span style="color: #008000;">//</span><span style="color: #008000;">用于对上传文件初使化        </span><span style="color: #008000;">//</span><span style="color: #008000;">1. 指定上传路径， 2，充许的类型， 3，限制大小， 4，是否使用随机文件名称        </span><span style="color: #008000;">//</span><span style="color: #008000;">让用户可以不用按位置传参数，后面参数给值不用将前几个参数也提供值</span>        function __construct($options=<span style="color: #000000;">array()){            </span><span style="color: #0000ff;">foreach</span>($options <span style="color: #0000ff;">as</span> $key=><span style="color: #000000;">$val){                $key</span>=<span style="color: #000000;">strtolower($key);                </span><span style="color: #008000;">//</span><span style="color: #008000;">查看用户参数中数组的下标是否和成员属性名相同</span>                <span style="color: #0000ff;">if</span>(!in_array($key,get_class_vars(get_class($<span style="color: #0000ff;">this</span><span style="color: #000000;">)))){                    </span><span style="color: #0000ff;">continue</span><span style="color: #000000;">;                }                $</span><span style="color: #0000ff;">this</span>-><span style="color: #000000;">setOption($key, $val);            }                         }            </span><span style="color: #0000ff;">private</span><span style="color: #000000;"> function getError(){            $str</span>=<span style="color: #800000;">"</span><span style="color: #800000;">上传文件<font color='red'>{$this->originName}</font>时出错：</span><span style="color: #800000;">"</span><span style="color: #000000;">;            </span><span style="color: #0000ff;">switch</span>($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">errorNum){                </span><span style="color: #0000ff;">case</span> <span style="color: #800080;">4</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">没有文件被上传</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> <span style="color: #800080;">3</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">文件只被部分上传</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> <span style="color: #800080;">2</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">上传文件超过了HTML表单中MAX_FILE_SIZE选项指定的值</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> <span style="color: #800080;">1</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">上传文件超过了php.ini 中upload_max_filesize选项的值</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> -<span style="color: #800080;">1</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">末充许的类型</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> -<span style="color: #800080;">2</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">文件过大，上传文件不能超过{$this->maxSize}个字节</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> -<span style="color: #800080;">3</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">上传失败</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> -<span style="color: #800080;">4</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">建立存放上传文件目录失败，请重新指定上传目录</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">case</span> -<span style="color: #800080;">5</span>: $str .= <span style="color: #800000;">"</span><span style="color: #800000;">必须指定上传文件的路径</span><span style="color: #800000;">"</span>; <span style="color: #0000ff;">break</span><span style="color: #000000;">;                </span><span style="color: #0000ff;">default</span>: $str .=  <span style="color: #800000;">"</span><span style="color: #800000;">末知错误</span><span style="color: #800000;">"</span><span style="color: #000000;">;            }            </span><span style="color: #0000ff;">return</span> $str.<span style="color: #800000;">'</span><span style="color: #800000;"><br></span><span style="color: #800000;">'</span><span style="color: #000000;">;        }            </span><span style="color: #008000;">//</span><span style="color: #008000;">用来检查文件上传路径</span>        <span style="color: #0000ff;">private</span><span style="color: #000000;"> function checkFilePath(){            </span><span style="color: #0000ff;">if</span>(empty($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">filepath)) {                $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">errorNum</span><span style="color: #800000;">'</span>, -<span style="color: #800080;">5</span><span style="color: #000000;">);                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;            }            </span><span style="color: #0000ff;">if</span>(!file_exists($<span style="color: #0000ff;">this</span>->filepath) || !is_writable($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">filepath)){                </span><span style="color: #0000ff;">if</span>([email&#160;protected]($<span style="color: #0000ff;">this</span>->filepath, <span style="color: #800080;">0755</span><span style="color: #000000;">)){                    $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">errorNum</span><span style="color: #800000;">'</span>, -<span style="color: #800080;">4</span><span style="color: #000000;">);                    </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;                }            }            </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">true</span><span style="color: #000000;">;        }        </span><span style="color: #008000;">//</span><span style="color: #008000;">用来检查文件上传的大小</span>        <span style="color: #0000ff;">private</span><span style="color: #000000;"> function checkFileSize() {            </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">this</span>->fileSize > $<span style="color: #0000ff;">this</span>-><span style="color: #000000;">maxsize){                $</span><span style="color: #0000ff;">this</span>->setOPtion(<span style="color: #800000;">'</span><span style="color: #800000;">errorNum</span><span style="color: #800000;">'</span>, <span style="color: #800000;">'</span><span style="color: #800000;">-2</span><span style="color: #800000;">'</span><span style="color: #000000;">);                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;            }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">true</span><span style="color: #000000;">;            }        }        </span><span style="color: #008000;">//</span><span style="color: #008000;">用于检查文件上传类型</span>        <span style="color: #0000ff;">private</span><span style="color: #000000;"> function checkFileType() {            </span><span style="color: #0000ff;">if</span>(in_array(strtolower($<span style="color: #0000ff;">this</span>->fileType), $<span style="color: #0000ff;">this</span>-><span style="color: #000000;">allowtype)) {                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">true</span><span style="color: #000000;">;            }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">errorNum</span><span style="color: #800000;">'</span>, -<span style="color: #800080;">1</span><span style="color: #000000;">);                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;            }        }        </span><span style="color: #008000;">//</span><span style="color: #008000;">设置上传后的文件名称</span>        <span style="color: #0000ff;">private</span><span style="color: #000000;"> function setNewFileName(){            </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">israndname){                $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">newFileName</span><span style="color: #800000;">'</span>, $<span style="color: #0000ff;">this</span>-><span style="color: #000000;">proRandName());            } </span><span style="color: #0000ff;">else</span><span style="color: #000000;"> {                $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">newFileName</span><span style="color: #800000;">'</span>, $<span style="color: #0000ff;">this</span>-><span style="color: #000000;">originName);            }        }        </span><span style="color: #008000;">//</span><span style="color: #008000;">设置随机文件名称</span>        <span style="color: #0000ff;">private</span><span style="color: #000000;"> function proRandName(){            $fileName</span>=date(<span style="color: #800000;">"</span><span style="color: #800000;">YmdHis</span><span style="color: #800000;">"</span>).rand(<span style="color: #800080;">100</span>,<span style="color: #800080;">999</span><span style="color: #000000;">);            </span><span style="color: #0000ff;">return</span> $fileName.<span style="color: #800000;">'</span><span style="color: #800000;">.</span><span style="color: #800000;">'</span>.$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">fileType;        }            </span><span style="color: #0000ff;">private</span><span style="color: #000000;"> function setOption($key, $val){            $</span><span style="color: #0000ff;">this</span>->$key=<span style="color: #000000;">$val;        }        </span><span style="color: #008000;">//</span><span style="color: #008000;">用来上传一个文件</span><span style="color: #000000;">        function uploadFile($fileField){            $</span><span style="color: #0000ff;">return</span>=<span style="color: #0000ff;">true</span><span style="color: #000000;">;            </span><span style="color: #008000;">//</span><span style="color: #008000;">检查文件上传路径</span>            <span style="color: #0000ff;">if</span>(!$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">checkFilePath()){                $</span><span style="color: #0000ff;">this</span>->errorMess=$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">getError();                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;            }                        $name</span>=$_FILES[$fileField][<span style="color: #800000;">'</span><span style="color: #800000;">name</span><span style="color: #800000;">'</span><span style="color: #000000;">];            $tmp_name</span>=$_FILES[$fileField][<span style="color: #800000;">'</span><span style="color: #800000;">tmp_name</span><span style="color: #800000;">'</span><span style="color: #000000;">];            $size</span>=$_FILES[$fileField][<span style="color: #800000;">'</span><span style="color: #800000;">size</span><span style="color: #800000;">'</span><span style="color: #000000;">];            $error</span>=$_FILES[$fileField][<span style="color: #800000;">'</span><span style="color: #800000;">error</span><span style="color: #800000;">'</span><span style="color: #000000;">];            </span><span style="color: #0000ff;">if</span><span style="color: #000000;">(is_Array($name)){                $errors</span>=<span style="color: #000000;">array();                </span><span style="color: #0000ff;">for</span>($i=<span style="color: #800080;">0</span>; $i<count($name); $i++<span style="color: #000000;">){                    </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">setFiles($name[$i], $tmp_name[$i], $size[$i], $error[$i])){                        </span><span style="color: #0000ff;">if</span>(!$<span style="color: #0000ff;">this</span>->checkFileSize() || !$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">checkFileType()){                            $errors[]</span>=$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">getError();                            $</span><span style="color: #0000ff;">return</span>=<span style="color: #0000ff;">false</span><span style="color: #000000;">;                        }                    }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                        $error[]</span>=$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">getError();                        $</span><span style="color: #0000ff;">return</span>=<span style="color: #0000ff;">false</span><span style="color: #000000;">;                    }                    </span><span style="color: #0000ff;">if</span>(!$<span style="color: #0000ff;">return</span><span style="color: #000000;">)                        $</span><span style="color: #0000ff;">this</span>-><span style="color: #000000;">setFiles();                }                </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">return</span><span style="color: #000000;">){                    $fileNames</span>=<span style="color: #000000;">array();                    </span><span style="color: #0000ff;">for</span>($i=<span style="color: #800080;">0</span>; $i<count($name); $i++<span style="color: #000000;">){                        </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">setFiles($name[$i], $tmp_name[$i], $size[$i], $error[$i])){                            $</span><span style="color: #0000ff;">this</span>-><span style="color: #000000;">setNewFileName();                            </span><span style="color: #0000ff;">if</span>(!$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">copyFile()){                                $errors</span>=$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">getError();                                $</span><span style="color: #0000ff;">return</span>=<span style="color: #0000ff;">false</span><span style="color: #000000;">;                            }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                                $fileNames[]</span>=$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">newFileName;                            }                        }                    }                    $</span><span style="color: #0000ff;">this</span>->newFileName=<span style="color: #000000;">$fileNames;                }                $</span><span style="color: #0000ff;">this</span>->errorMess=<span style="color: #000000;">$errors;                </span><span style="color: #0000ff;">return</span> $<span style="color: #0000ff;">return</span><span style="color: #000000;">;            } </span><span style="color: #0000ff;">else</span><span style="color: #000000;"> {                                    </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">setFiles($name, $tmp_name, $size, $error)){                        </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">this</span>->checkFileSize() && $<span style="color: #0000ff;">this</span>-><span style="color: #000000;">checkFileType()){                            $</span><span style="color: #0000ff;">this</span>-><span style="color: #000000;">setNewFileName();                            </span><span style="color: #0000ff;">if</span>($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">copyFile()){                                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">true</span><span style="color: #000000;">;                            }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                                $</span><span style="color: #0000ff;">return</span>=<span style="color: #0000ff;">false</span><span style="color: #000000;">;                            }                                                        }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                            $</span><span style="color: #0000ff;">return</span>=<span style="color: #0000ff;">false</span><span style="color: #000000;">;                        }                        }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                        $</span><span style="color: #0000ff;">return</span>=<span style="color: #0000ff;">false</span><span style="color: #000000;">;                    }                                                            </span><span style="color: #0000ff;">if</span>(!$<span style="color: #0000ff;">return</span><span style="color: #000000;">)                        $</span><span style="color: #0000ff;">this</span>->errorMess=$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">getError();                    </span><span style="color: #0000ff;">return</span> $<span style="color: #0000ff;">return</span><span style="color: #000000;">;            }                    }        </span><span style="color: #0000ff;">private</span><span style="color: #000000;"> function copyFile(){            </span><span style="color: #0000ff;">if</span>(!$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">errorNum){                $filepath</span>=rtrim($<span style="color: #0000ff;">this</span>->filepath, <span style="color: #800000;">'</span><span style="color: #800000;">/</span><span style="color: #800000;">'</span>).<span style="color: #800000;">'</span><span style="color: #800000;">/</span><span style="color: #800000;">'</span><span style="color: #000000;">;                $filepath.</span>=$<span style="color: #0000ff;">this</span>-><span style="color: #000000;">newFileName;                </span><span style="color: #0000ff;">if</span>(@move_uploaded_file($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">tmpFileName, $filepath))    {                    </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">true</span><span style="color: #000000;">;                }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                    $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">errorNum</span><span style="color: #800000;">'</span>, -<span style="color: #800080;">3</span><span style="color: #000000;">);                    </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;                }                                }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;            }        }        </span><span style="color: #008000;">//</span><span style="color: #008000;">设置和$_FILES有关的内容</span>        <span style="color: #0000ff;">private</span> function setFiles($name=<span style="color: #800000;">""</span>, $tmp_name=<span style="color: #800000;">''</span>, $size=<span style="color: #800080;">0</span>, $error=<span style="color: #800080;">0</span><span style="color: #000000;">){                    $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">errorNum</span><span style="color: #800000;">'</span><span style="color: #000000;">, $error);                            </span><span style="color: #0000ff;">if</span><span style="color: #000000;">($error){                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">;            }            $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">originName</span><span style="color: #800000;">'</span><span style="color: #000000;">, $name);            $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">tmpFileName</span><span style="color: #800000;">'</span><span style="color: #000000;">, $tmp_name);            $arrStr</span>=explode(<span style="color: #800000;">'</span><span style="color: #800000;">.</span><span style="color: #800000;">'</span><span style="color: #000000;">, $name);             $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">fileType</span><span style="color: #800000;">'</span>, strtolower($arrStr[count($arrStr)-<span style="color: #800080;">1</span><span style="color: #000000;">]));            $</span><span style="color: #0000ff;">this</span>->setOption(<span style="color: #800000;">'</span><span style="color: #800000;">fileSize</span><span style="color: #800000;">'</span><span style="color: #000000;">, $size);                </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">true</span><span style="color: #000000;">;        }            </span><span style="color: #008000;">//</span><span style="color: #008000;">用于获取上传后文件的文件名</span><span style="color: #000000;">        function getNewFileName(){            </span><span style="color: #0000ff;">return</span> $<span style="color: #0000ff;">this</span>-><span style="color: #000000;">newFileName;        }        </span><span style="color: #008000;">//</span><span style="color: #008000;">上传如果失败，则调用这个方法，就可以查看错误报告</span><span style="color: #000000;">        function getErrorMsg() {            </span><span style="color: #0000ff;">return</span> $<span style="color: #0000ff;">this</span>-><span style="color: #000000;">errorMess;        }    }</span>