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缩略图生成的php程序_PHP

WBOY
WBOYOriginal
2016-06-01 12:34:29738browse

客户端上载的页面：

-------------------- upload.htm ---------------------


method="post" action="upload.php">

请选择或输入上传文件名:



--------------------- upload.php -------------------

<font color="#000000"> <font color="#0000BB"></font><font color="#007700"> <br>if(empty(</font><font color="#0000BB">$upfile</font><font color="#007700">)){ <br><br>print(</font><font color="#DD0000">"No file was transfered!\n无文件上传!"</font><font color="#007700">); <br><br>exit; <br><br>} <br><br></font><font color="#0000BB">$image_path</font><font color="#007700">=</font><font color="#0000BB">$upfile</font><font color="#007700">; <br><br>@</font><font color="#0000BB">$image_info</font><font color="#007700">=</font><font color="#0000BB">getimagesize</font><font color="#007700">(</font><font color="#0000BB">$image_path</font><font color="#007700">); <br><br>if(</font><font color="#0000BB">$image_info</font><font color="#007700">[</font><font color="#0000BB">2</font><font color="#007700">]==</font><font color="#0000BB">2</font><font color="#007700">) <br><br>{@</font><font color="#0000BB">$image2</font><font color="#007700">=</font><font color="#0000BB">imagecreatefromjpeg</font><font color="#007700">(</font><font color="#0000BB">$image_path</font><font color="#007700">); <br><br>} <br><br>else if(</font><font color="#0000BB">$image_info</font><font color="#007700">[</font><font color="#0000BB">2</font><font color="#007700">]==</font><font color="#0000BB">1</font><font color="#007700">){ <br><br>@</font><font color="#0000BB">$image2</font><font color="#007700">=</font><font color="#0000BB">imagecreatefromgif</font><font color="#007700">(</font><font color="#0000BB">$image_path</font><font color="#007700">); <br><br>} <br><br>else <br><br>if(empty(</font><font color="#0000BB">$image2</font><font color="#007700">)) <br><br></font><font color="#0000BB">$image2_x</font><font color="#007700">=</font><font color="#0000BB">imagesx</font><font color="#007700">(</font><font color="#0000BB">$image2</font><font color="#007700">); <br><br></font><font color="#0000BB">$image2_y</font><font color="#007700">=</font><font color="#0000BB">imagesy</font><font color="#007700">(</font><font color="#0000BB">$image2</font><font color="#007700">); <br><br>if(</font><font color="#0000BB">$image2_x</font><font color="#007700">==</font><font color="#0000BB">$image2_y</font><font color="#007700">){ <br><br></font><font color="#0000BB">$x</font><font color="#007700">=</font><font color="#0000BB">150</font><font color="#007700">; <br><br></font><font color="#0000BB">$y</font><font color="#007700">=</font><font color="#0000BB">0</font><font color="#007700">; <br><br>} <br><br>else if(</font><font color="#0000BB">$image2_x</font><font color="#007700">></font><font color="#0000BB">$image2_y</font><font color="#007700">){ <br><br></font><font color="#0000BB">$x</font><font color="#007700">=</font><font color="#0000BB">150</font><font color="#007700">; <br><br></font><font color="#0000BB">$y</font><font color="#007700">=</font><font color="#0000BB">intval</font><font color="#007700">(</font><font color="#0000BB">150</font><font color="#007700">*</font><font color="#0000BB">$image2_y</font><font color="#007700">/</font><font color="#0000BB">$image2_x</font><font color="#007700">); <br><br>} <br><br>else{ <br><br></font><font color="#0000BB">$y</font><font color="#007700">=</font><font color="#0000BB">150</font><font color="#007700">; <br><br></font><font color="#0000BB">$x</font><font color="#007700">=</font><font color="#0000BB">intval</font><font color="#007700">(</font><font color="#0000BB">150</font><font color="#007700">*</font><font color="#0000BB">$image2_x</font><font color="#007700">/</font><font color="#0000BB">$image2_y</font><font color="#007700">); <br><br>} <br><br></font><font color="#0000BB">$image1</font><font color="#007700">=</font><font color="#0000BB">imagecreate</font><font color="#007700">(</font><font color="#0000BB">$x</font><font color="#007700">,</font><font color="#0000BB">$y</font><font color="#007700">); <br><br></font><font color="#0000BB">imagecopyresized</font><font color="#007700">(</font><font color="#0000BB">$image1</font><font color="#007700">,</font><font color="#0000BB">$image2</font><font color="#007700">,</font><font color="#0000BB">0</font><font color="#007700">,</font><font color="#0000BB">0</font><font color="#007700">,</font><font color="#0000BB">0</font><font color="#007700">,</font><font color="#0000BB">0</font><font color="#007700">,</font><font color="#0000BB">$x</font><font color="#007700">,</font><font color="#0000BB">$y</font><font color="#007700">,</font><font color="#0000BB">$image2_x</font><font color="#007700">,</font><font color="#0000BB">$image2_y</font><font color="#007700">); <br><br></font><font color="#0000BB">imagegif</font><font color="#007700">(</font><font color="#0000BB">$image1</font><font color="#007700">,</font><font color="#DD0000">"new.gif"</font><font color="#007700">); <br><br></font><font color="#0000BB">?></font></font>
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