php经过长时间的发展，很多用户都很了解php了，这里我发表一下php上传文件代码，和大家讨论讨论。php本身是一种简单而强大的语言。php语言拥有核心特性如强大的字符串和数组处理能力，同时极大的改进了对面向对象编程的支持（php5以上版本）。通过使用标准的和可选的扩展模块，php应用程序可以连接mysql或oracle等十几种数据库、绘图、创建pdf文件和创建解析xml文件。你也可以使用c语言来写自己的php扩展模块。
PHP上传文件代码
<OL class=dp-xml><LI class=alt><SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>html</SPAN><SPAN class=tag>></SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>head</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>title</SPAN><SPAN class=tag>></SPAN><SPAN>上载文件表单</SPAN><SPAN class=tag></</SPAN><SPAN class=tag-name>title</SPAN><SPAN class=tag>></SPAN><SPAN class=tag></</SPAN><SPAN class=tag-name>head</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>body</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>form</SPAN><SPAN> </SPAN><SPAN class=attribute>enctype</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>"multipart/form-data"</SPAN><SPAN> </SPAN><SPAN class=attribute>action</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>""</SPAN><SPAN> </SPAN><SPAN class=attribute>method</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>"post"</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=alt><SPAN>请选择文件： </SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>input</SPAN><SPAN> </SPAN><SPAN class=attribute>name</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>"upload_file"</SPAN><SPAN> </SPAN><SPAN class=attribute>type</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>"file"</SPAN><SPAN class=tag>></SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>input</SPAN><SPAN> </SPAN><SPAN class=attribute>type</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>"submit"</SPAN><SPAN> </SPAN><SPAN class=attribute>value</SPAN><SPAN>=</SPAN><SPAN class=attribute-value>"上传文件"</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN></SPAN><SPAN class=tag></</SPAN><SPAN class=tag-name>form</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag></</SPAN><SPAN class=tag-name>body</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN></SPAN><SPAN class=tag></</SPAN><SPAN class=tag-name>html</SPAN><SPAN class=tag>></SPAN><SPAN> </SPAN></SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag><?</SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>upload_file</SPAN><SPAN>=$_FILES['upload_file']['tmp_name']; </SPAN></SPAN><LI class=alt><SPAN>$</SPAN><SPAN class=attribute>upload_file_name</SPAN><SPAN>=$_FILES['upload_file']['name']; </SPAN></SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>if($upload_file){ </SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>file_size_max</SPAN><SPAN> = </SPAN><SPAN class=attribute-value>1000</SPAN><SPAN>*1000;// 1M限制文件上传最大容量(bytes) </SPAN></SPAN><LI class=alt><SPAN>$</SPAN><SPAN class=attribute>store_dir</SPAN><SPAN> = </SPAN><SPAN class=attribute-value>"d:/"</SPAN><SPAN>;// 上传文件的储存位置 </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>accept_overwrite</SPAN><SPAN> = </SPAN><SPAN class=attribute-value>1</SPAN><SPAN>;//是否允许覆盖相同文件 </SPAN></SPAN><LI class=alt><SPAN>// 检查文件大小 </SPAN><LI class=""><SPAN>if ($upload_file_size </SPAN><SPAN class=tag>></SPAN><SPAN> $file_size_max) { </SPAN></SPAN><LI class=alt><SPAN>echo "对不起，你的文件容量大于规定"; </SPAN><LI class=""><SPAN>exit; </SPAN><LI class=alt><SPAN>} </SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>// 检查读写文件 </SPAN><LI class=""><SPAN>if (file_exists($store_dir . $upload_file_name) && !$accept_overwrite) { </SPAN><LI class=alt><SPAN>Echo "存在相同文件名的文件"; </SPAN><LI class=""><SPAN>exit; </SPAN><LI class=alt><SPAN>} </SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>//复制文件到指定目录 </SPAN><LI class=""><SPAN>if (!move_uploaded_file($upload_file,$store_dir.$upload_file_name)) { </SPAN><LI class=alt><SPAN>echo "复制文件失败"; </SPAN><LI class=""><SPAN>exit; </SPAN><LI class=alt><SPAN>} </SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>} </SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>Echo "</SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>p</SPAN><SPAN class=tag>></SPAN><SPAN>你上传了文件:"; </SPAN></SPAN><LI class=""><SPAN>echo$_FILES['upload_file']['name']; </SPAN><LI class=alt><SPAN>echo "</SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN><SPAN>"; </SPAN></SPAN><LI class=""><SPAN>//客户端机器文件的原名称。 </SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>Echo "文件的 MIME 类型为:"; </SPAN><LI class=alt><SPAN>echo $_FILES['upload_file']['type']; </SPAN><LI class=""><SPAN>//文件的 MIME 类型，需要浏览器提供该信息的支持，例如“image/gif”。 </SPAN><LI class=alt><SPAN>echo "</SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN><SPAN>"; </SPAN></SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>Echo "上传文件大小:"; </SPAN><LI class=""><SPAN>echo $_FILES['upload_file']['size']; </SPAN><LI class=alt><SPAN>//已上传文件的大小，单位为字节。 </SPAN><LI class=""><SPAN>echo "</SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN><SPAN>"; </SPAN></SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>Echo "文件上传后被临时储存为:"; </SPAN><LI class=alt><SPAN>echo $_FILES['upload_file']['tmp_name']; </SPAN><LI class=""><SPAN>//文件被上传后在服务端储存的临时文件名。 </SPAN><LI class=alt><SPAN>echo "</SPAN><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN><SPAN>"; </SPAN></SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute>Erroe</SPAN><SPAN>=$_FILES['upload_file']['error']; </SPAN></SPAN><LI class=alt><SPAN>switch($Erroe){ </SPAN><LI class=""><SPAN>case 0: </SPAN><LI class=alt><SPAN>Echo "上传成功"; break; </SPAN><LI class=""><SPAN>case 1: </SPAN><LI class=alt><SPAN>Echo "上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值."; break; </SPAN><LI class=""><SPAN>case 2: </SPAN><LI class=alt><SPAN>Echo "上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。";break; </SPAN><LI class=""><SPAN>case 3: </SPAN><LI class=alt><SPAN>Echo "文件只有部分被上传";break; </SPAN><LI class=""><SPAN>case 4: </SPAN><LI class=alt><SPAN>Echo "没有文件被上传";break; </SPAN><LI class=""><SPAN>} </SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag>?></SPAN><SPAN> </SPAN></SPAN></LI></OL>
以上就是详细的PHP上传文件代码，希望对大家有帮助。
PHP怎么学习？PHP怎么入门？PHP在哪学？PHP怎么学才快？不用担心，这里为大家提供了PHP速学教程(入门到精通)，有需要的小伙伴保存下载就能学习啦！
广告
收藏
收藏
收藏
Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号
601
