寻找解决方案以获取/发布双数据提交 - php

This question already has answers here: Closed 8 years ago. Possible Duplicate: Avoiding form resubmit in php when pressing f5 我需要有关如何防止将双数据提交到mysql数据库的帮助。 这通常在提交后用户单击“刷新”按钮时发生。 每当 […]