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phpMyadmin 修改上传文件大小限制_MySQL

May 31, 2016 am 08:47 AM

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phpmyadmin导入SQL文件时涉及到phpmyadmin上传文件大小限制问题,默认phpmyadmin上传文件大小为2M,如果想要phpmyadmin上传超过2M大文件,就需要修改phpmyadmin上传文件的大小配置或者将大文件分几批上传,相对来说修改phpmyadmin上传文件大小的限制来得方便很多。解决phpmyadmin上传文件大小限制问题涉及修改php.ini配置文件和phpmyadmin配置文件。

修改phpmyadmin上传文件大小限制主要分修改php.ini配置文件和phpmyadmin配置文件两个步骤。

第一步:修改php.ini配置文件中文件上传大小配置

此步骤与一般的PHP.INI配置文件上传功能方法一致,需要修改php.ini配置文件中upload_max_filesize和post_max_size两个选项值,具体修改方法请参考:PHP.INI配置:文件上传功能配置教程。

第二步:修改php执行时间及内存限制实现phpmyadmin上传大文件功能

如果想要phpmyadmin上传大文件,还需修改php.ini配置文件中的max_execution_time(php页面执行最大时间)、max_input_time(php页面接受数据最大时间)、memory_limit(php页面占用的最大内存)三个配置选项,这是因为phpmyadmin上传大文件时,php页面的执行时间、内存占用也势必变得更长更大,其需要php运行环境的配合,光修改上传文件大小限制是不够的。

第三步:修改phpmyadmin配置文件

在完成php.ini的相关配置后,还需要修改phpmyadmin配置。

1、修改phpmyadmin config配置文件中的$cfg[‘ExecTimeLimit’]配置选项,默认值是300,需要修改为0,即没有时间限制。

2、修改phpmyadmin安装根目录下的import页面中的$memory_limit

说明:首选读取php.ini配置文件中的内存配置选项memory_limit,如果为空则默认内存大小限制为2M,如果没有限制则内存大小限制为10M,你可以结合你php.ini配置文件中的相关信息修改这段代码。

至此,经过修改php.ini配置文件中的文件上传配置选项以及phpmyadmin配置文件后,即可解决phpmyadmin上传文件大小限制问题,从而实现phpmyadmin上传大文件功能。

懒惰之计注:在phpMyadmin配置文件config.inc.php 中添加两个配置参数,就可以达到跟上面这些修改同样的目的。

$cfg['Servers'][$i]['ExecTimeLimit'] = 3000; $cfg['Servers'][$i]['MemoryLimit'] = 20*2014*1024;

来源: 解决phpMyadmin上传文件大小限制的配置方法

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