PHP设计超级好用的文件上传处理类一 （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($<span style="color: #0000ff;">this</span>-><span style="color: #000000;">filepath)){ </span><span style="color: #0000ff;">if</span>([email protected]($<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>; $i<count style="color: #000000;">){ <span style="color: #0000ff;">if</span>($<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>; $i<count style="color: #000000;">){ <span style="color: #0000ff;">if</span>($<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></count></count>
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