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Implementation of PHP upload class in five minutes_PHP tutorial

WBOYOriginal: 2016-07-15 13:26:53763browse

There is a lot worth learning about PHP. Here we mainly introduce PHP upload solutions. I hope you will gain a lot from this article. Users can enter PHP command codes directly into the WEB page, so no special development environment is required. In WEB pages, all PHP code is placed in "". Additionally, users can choose to use forms such as . The PHP engine will automatically identify and process all code between PHP delimiters in the page.

The grammatical structure of the PHP scripting language is very similar to the grammatical style of the C language and Perl language. Users do not need to declare variables before using them. The process of creating an array using PHP is also very simple. PHP also has basic object-oriented component functions, which can greatly facilitate users to effectively organize and encapsulate the code they write. Below we will introduce the issues of PHP upload classes in detail.
　
PHP upload class implementation code:

<ol class="dp-xml">
<li class="alt"><span><span class="tag"><?</SPAN><SPAN class=tag-name>php</SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN>/**  </SPAN><LI class=alt><SPAN>*Fileuploadclass  </SPAN><LI class=""><SPAN>*@version1.0.0(ThuAug1801:32:39CST2005)  </SPAN><LI class=alt><SPAN>*@authorsanshi  </SPAN><LI class=""><SPAN>*/  </SPAN><LI class=alt><SPAN>classupLoad  </SPAN><LI class=""><SPAN>{  </SPAN><LI class=alt><SPAN>/**  </SPAN><LI class=""><SPAN>*  </SPAN><LI class=alt><SPAN>*@authorsanshi  </SPAN><LI class=""><SPAN>*@version1.0.0ThuAug1801:00:18CST2005  </SPAN><LI class=alt><SPAN>*@paramstring$info文件内容  </SPAN><LI class=""><SPAN>*@paramstring$fileName生成的文件名  </SPAN><LI class=alt><SPAN>*@returnboolean建立成功返回true  </SPAN><LI class=""><SPAN>*@deprecated  </SPAN><LI class=alt><SPAN>*建立html文件  </SPAN><LI class=""><SPAN>*/  </SPAN><LI class=alt><SPAN>functioncreateHtml($info,$fileName)  </SPAN><LI class=""><SPAN>{  </SPAN><LI class=alt><SPAN>}  </SPAN><LI class=""><SPAN>/**  </SPAN><LI class=alt><SPAN>*  </SPAN><LI class=""><SPAN>*@authorsanshi  </SPAN><LI class=alt><SPAN>*@version1.0.0ThuAug1801:03:09CST2005  </SPAN><LI class=""><SPAN>*@returnvoid  </SPAN><LI class=alt><SPAN>*@deprecated  </SPAN><LI class=""><SPAN>*构造函数  </SPAN><LI class=alt><SPAN>*/  </SPAN><LI class=""><SPAN>functiondownLoad()  </SPAN><LI class=alt><SPAN>{}  </SPAN><LI class=""><SPAN>/**  </SPAN><LI class=alt><SPAN>*  </SPAN><LI class=""><SPAN>*@authorsanshi  </SPAN><LI class=alt><SPAN>*@version1.0.0ThuAug1801:03:55CST2005  </SPAN><LI class=""><SPAN>*@paramstring$fileField在表单中的字段名  </SPAN><LI class=alt><SPAN>*@paramstring$length限制的长度  </SPAN><LI class=""><SPAN>*@returnboolean成功返回true  </SPAN><LI class=alt><SPAN>*@deprecated  </SPAN><LI class=""><SPAN>*功能实现函数  </SPAN><LI class=alt><SPAN>*/  </SPAN><LI class=""><SPAN>functioninit($fileField,$</SPAN><SPAN class=attribute>length</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>''</SPAN><SPAN>)  </SPAN></SPAN><LI class=alt><SPAN>{  </SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>files</SPAN><SPAN>=$_FILES[$fileField];  </SPAN></SPAN><LI class=alt><SPAN>//用户名需要改动，根据自己的实际情况做改动  </SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>userName</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>'sanshi'</SPAN><SPAN>;  </SPAN></SPAN><LI class=alt><SPAN>$</SPAN><SPAN class=attribute>fileName</SPAN><SPAN>=$files['name'];  </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>fileType</SPAN><SPAN>=$files['type'];  </SPAN></SPAN><LI class=alt><SPAN>$</SPAN><SPAN class=attribute>fileTemp</SPAN><SPAN>=$files['tmp_name'];  </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>fileSize</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>empty</SPAN><SPAN>($length)?($files['size']+10):$length;  </SPAN></SPAN><LI class=alt><SPAN>$</SPAN><SPAN class=attribute>fileError</SPAN><SPAN>=$files['error'];//这块也许php4中没有  </SPAN></SPAN><LI class=""><SPAN>//改为  </SPAN><LI class=alt><SPAN>//if($this-</SPAN><SPAN class=tag>></span><span>_isType($fileName)||$this-</span><span class="tag">></span><span>_isBig($length　))  </span></span></li>
<li class="">
<span>if(!$this-</span><span class="tag">></span><span>_isType($fileName)||$this-</span><span class="tag">></span><span>_isBig($length　)||$fileError!=0)  </span>
</li>
<li class="alt"><span>{  </span></li>
<li class=""><span>//print_r($files);  </span></li>
<li class="alt"><span>returnfalse;  </span></li>
<li class=""><span>}else{  </span></li>
<li class="alt">
<span>$</span><span class="attribute">path</span><span>=$this-</span><span class="tag">></span><span>_createDir($userName);//取得路径  </span>
</li>
<li class="">
<span>$</span><span class="attribute">createFileName</span><span>=$userName."_".time();//设置当前文件名  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">createFileType</span><span>=$this-</span><span class="tag">></span><span>getFileType($fileName);//设置文件类别  </span>
</li>
<li class=""><span>return@move_uploaded_file($fileTemp,$path.$createFileName.'.'.$createFileType)?true:false;  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span>/**  </span></li>
<li class="alt"><span>*  </span></li>
<li class=""><span>*@authorsanshi  </span></li>
<li class="alt"><span>*@version1.0.0ThuAug1801:07:43CST2005  </span></li>
<li class=""><span>*@paramint$length上传限制的大小  </span></li>
<li class="alt"><span>*@returnboolean超过返回true  </span></li>
<li class=""><span>*@deprecated  </span></li>
<li class="alt"><span>*判断是否超过预定大小  </span></li>
<li class=""><span>*/  </span></li>
<li class="alt"><span>function_isBig($length)  </span></li>
<li class=""><span>{  </span></li>
<li class="alt">
<span>$</span><span class="attribute">bigest</span><span>=</span><span class="attribute-value">''</span><span>;  </span>
</li>
<li class="">
<span>return$big</span><span class="tag">></span><span>$bigest?true:false;  </span>
</li>
<li class="alt"><span>}  </span></li>
<li class=""><span>/**  </span></li>
<li class="alt"><span>*  </span></li>
<li class=""><span>*@authorsanshi  </span></li>
<li class="alt"><span>*@version1.0.0ThuAug1801:08:55CST2005  </span></li>
<li class=""><span>*@paramstring$fileName文件名  </span></li>
<li class="alt"><span>*@returnstring$fileType文件后缀  </span></li>
<li class=""><span>*@deprecated  </span></li>
<li class="alt"><span>*取得文件后缀（只取得文件的最后一个后缀名）  </span></li>
<li class=""><span>*/  </span></li>
<li class="alt"><span>functiongetFileType($fileName)  </span></li>
<li class=""><span>{  </span></li>
<li class="alt"><span>returnend(explode('.',$fileName));  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span>/**  </span></li>
<li class=""><span>*  </span></li>
<li class="alt"><span>*@authorsanshi  </span></li>
<li class=""><span>*@version1.0.0ThuAug1801:10:41CST2005  </span></li>
<li class="alt"><span>*@paramstring$fileName文件名  </span></li>
<li class=""><span>*@paramboolean$method是否检查多个后缀默认false  </span></li>
<li class="alt"><span>*@paramint$postFix后缀个数默认为２  </span></li>
<li class=""><span>*@returnboolean存在返回true  </span></li>
<li class="alt"><span>*@deprecated  </span></li>
<li class=""><span>*检查文件的后缀是否在类别数组中，类别数组自己设置  </span></li>
<li class="alt"><span>*如果$method设置为true则检查文件有几个后缀  </span></li>
<li class=""><span>*/  </span></li>
<li class="alt">
<span>function_isType($fileName,$</span><span class="attribute">method</span><span>=</span><span class="attribute-value">'false'</span><span>,$</span><span class="attribute">postFix</span><span>=</span><span class="attribute-value">2</span><span>)  </span>
</li>
<li class=""><span>{  </span></li>
<li class="alt"><span>//设置类别数组  </span></li>
<li class="">
<span>$</span><span class="attribute">type</span><span>=</span><span class="attribute-value">array</span><span>('jpeg',  </span>
</li>
<li class="alt"><span>'gif',  </span></li>
<li class=""><span>'bmp',  </span></li>
<li class="alt"><span>'exe');  </span></li>
<li class="">
<span>$</span><span class="attribute">fileName</span><span>=</span><span class="attribute-value">strtolower</span><span>($fileName);  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">fileTypeArray</span><span>=</span><span class="attribute-value">explode</span><span>('.',$fileName);  </span>
</li>
<li class="">
<span>$</span><span class="attribute">fileType</span><span>=</span><span class="attribute-value">end</span><span>($fileTypeArray);  </span>
</li>
<li class="alt"><span>//判断是否有一个文件有多个后缀  </span></li>
<li class=""><span>if($method)  </span></li>
<li class="alt"><span>{  </span></li>
<li class="">
<span>if(count($fileTypeArray)</span><span class="tag">></span><span>(is_int($postFix)?$postFix:2))  </span>
</li>
<li class="alt"><span>{  </span></li>
<li class=""><span>returnfalse;  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span>returnin_array($fileType,$type);  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span>/**  </span></li>
<li class="alt"><span>*  </span></li>
<li class=""><span>*@authorsanshi  </span></li>
<li class="alt"><span>*@version1.0.0ThuAug1801:17:19CST2005  </span></li>
<li class=""><span>*@paramstring$userName  </span></li>
<li class="alt"><span>*@returnstring$path  </span></li>
<li class=""><span>*@deprecated  </span></li>
<li class="alt"><span>*建立目录目录格式年/月/日/用户名/  </span></li>
<li class=""><span>*权限为７５５  </span></li>
<li class="alt"><span>*/  </span></li>
<li class=""><span>function_createDir($userName)  </span></li>
<li class="alt"><span>{  </span></li>
<li class="">
<span>$</span><span class="attribute">root</span><span>=</span><span class="attribute-value">''</span><span>;  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">pathSign</span><span>=</span><span class="attribute-value">DIRECTORY_SEPARATOR</span><span>;  </span>
</li>
<li class="">
<span>$</span><span class="attribute">y</span><span>=</span><span class="attribute-value">date</span><span>('Y').$pathSign;  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">m</span><span>=</span><span class="attribute-value">date</span><span>('m').$pathSign;  </span>
</li>
<li class="">
<span>$</span><span class="attribute">d</span><span>=</span><span class="attribute-value">date</span><span>('d').$pathSign;  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">path</span><span>=$root.$y.$m.$d.$userName;  </span>
</li>
<li class="">
<span>$</span><span class="attribute">dirArray</span><span>=</span><span class="attribute-value">explode</span><span>($pathSign,$path);  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">tempDir</span><span>=</span><span class="attribute-value">''</span><span>;  </span>
</li>
<li class=""><span>foreach($dirArrayas$dir)  </span></li>
<li class="alt"><span>{  </span></li>
<li class="">
<span>$</span><span class="attribute">tempDir.</span><span>=$dir.$pathSign;  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">isFile</span><span>=</span><span class="attribute-value">file_exists</span><span>($tempDir);  </span>
</li>
<li class=""><span>clearstatcache();  </span></li>
<li class="alt"><span>if(!$isFile&&!is_dir($tempDir))  </span></li>
<li class=""><span>{  </span></li>
<li class="alt"><span>@mkdir($tempDir,0755);  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>return$path.$pathSign;  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>/**  </span></li>
<li class="alt"><span>*  </span></li>
<li class=""><span>*@authorsanshi  </span></li>
<li class="alt"><span>*@version1.0.0ThuAug1801:19:32CST2005  </span></li>
<li class=""><span>*@param　string$dirName目录名  </span></li>
<li class="alt"><span>*@return　boolean可以操作返回true  </span></li>
<li class=""><span>*@deprecated  </span></li>
<li class="alt"><span>*判断操作是否在上传目录  </span></li>
<li class=""><span>*/  </span></li>
<li class="alt"><span>function_isDel($dirName)  </span></li>
<li class=""><span>{  </span></li>
<li class="alt"><span>//注意upLoadDir,一定要与真正使用目录相对应  </span></li>
<li class="">
<span>$</span><span class="attribute">upLoadDir</span><span>=</span><span class="attribute-value">''</span><span>;  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">upLoadDir</span><span>=</span><span class="attribute-value">preg_replace</span><span>('/\//','/',$upLoadDir);  </span>
</li>
<li class="">
<span>$</span><span class="attribute">format</span><span>=</span><span class="attribute-value">"/^{$upLoadDir}/"</span><span>;  </span>
</li>
<li class="alt"><span>returnpreg_match($format,$dirName);  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span>/**  </span></li>
<li class=""><span>*  </span></li>
<li class="alt"><span>*@authorsanshi  </span></li>
<li class=""><span>*@version1.0.0ThuAug1801:25:58CST2005  </span></li>
<li class="alt"><span>*@paramstring$fileName文件名  </span></li>
<li class=""><span>*@returnboolean删除文件成功返回true  </span></li>
<li class="alt"><span>*@deprecated  </span></li>
<li class=""><span>*删除文件  </span></li>
<li class="alt"><span>*/  </span></li>
<li class=""><span>functiondelFile($fileName)  </span></li>
<li class="alt"><span>{  </span></li>
<li class="">
<span>$</span><span class="attribute">cur_dir</span><span>=</span><span class="attribute-value">dirname</span><span>(trim($fileName));  </span>
</li>
<li class="alt">
<span>if($this-</span><span class="tag">></span><span>_isDel($cur_dir))  </span>
</li>
<li class=""><span>{  </span></li>
<li class="alt"><span>return@unlink($fileName)?true:false;  </span></li>
<li class=""><span>}else{  </span></li>
<li class="alt"><span>returnfalse;  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>/**  </span></li>
<li class="alt"><span>*  </span></li>
<li class=""><span>*@authorsanshi  </span></li>
<li class="alt"><span>*@version1.0.0ThuAug1801:27:43CST2005  </span></li>
<li class=""><span>*@paramstring$dieName目录名  </span></li>
<li class="alt"><span>*@returnboolean删除成功返回true  </span></li>
<li class=""><span>*@deprecated  </span></li>
<li class="alt"><span>*删除目录目录下如果有文件不能删除  </span></li>
<li class=""><span>*/  </span></li>
<li class="alt"><span>functiondelDir($dirName)  </span></li>
<li class=""><span>{  </span></li>
<li class="alt">
<span>if($this-</span><span class="tag">></span><span>_isDel($dirName)&&is_dir($dirName))  </span>
</li>
<li class=""><span>{  </span></li>
<li class="alt"><span>return@rmdir($dirName)?true:false;  </span></li>
<li class=""><span>}else{  </span></li>
<li class="alt"><span>returnfalse;  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span> </span></li>
<li class="alt"><span>}  </span></li>
<li class="">
<span></span><span class="tag">?></span><span> </span>
</li>
<li class="alt">
<span></span><span class="tag"><?</SPAN><SPAN class=tag-name>php</SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN>//使用  </SPAN><LI class=alt><SPAN>/*  </SPAN><LI class=""><SPAN>include'upLoad.class.php';  </SPAN><LI class=alt><SPAN>$</SPAN><SPAN class=attribute>up</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>newupLoad</SPAN><SPAN>();  </SPAN></SPAN><LI class=""><SPAN>if($up-</SPAN><SPAN class=tag>></span><span>init("file"))  </span>
</li>
<li class="alt"><span>{  </span></li>
<li class=""><span>echo'success';  </span></li>
<li class="alt"><span>}else{  </span></li>
<li class=""><span>echo'failure';  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>*/  </span></li>
<li class="alt">
<span></span><span class="tag">?></span><span> </span>
</li>
</ol>

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