没有错误 这个是警告 sumbit没有定义是php.ini中设置问题 display_errors off 错误就没有了 调试的时候可以开着if (isset($submit)) { 看看
1. Do not set the submit button's name as "submit", it sometimes may cause error. 2. Use $_POST[] to get the posted data, it is the canonical code.What you write is available in the low version of PHP.
display_errors off 错误就没有了 调试的时候可以开着if (isset($submit)) { 看看
2. Use $_POST[] to get the posted data, it is the canonical code.What you write is available in the low version of PHP.