一个文件如果几十兆的话，上传时可能出错，因为执行时间不够，
比如我遇到的ECshop的数据库文件就是 40多M 第一次执行失败。
所以索性一次性把所有东西都设置好。在php.ini文件中查找以下内容：
“max_execution_time =" 数值改为 1200
“max_input_time = ” 数值改为 1200
“memory_limit = ” 数值改为 256
“post_max_size = ” 需要上传多大的文件将数值改为多大
“upload_max_filesize = ” 跟上面这个数值一样就可以了
这样设置应该可以确保文件大小上传没有问题。
第二步，解决执行时间错误。“Maximum execution time of 300
seconds”，这个问题要找到
config.inc.php这个文件，文件路径D:\wamp\apps\phpmyadmin2.11.6；相信能看懂。找到文件后
查找$cfg['ExecTimeLimit'] = 300; 把300改为0就是不限制时间，当然可根据需要改成30000000都是随意的
经本人实验 测试成功。提示： Import has been successfully finished, 1068 queries executed.
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