TP5.1 前置操作 Call to a member function assign() on null

TP5.1 前置操作 Call to a member function assign() on null使用__construct时Base里面必须手动继承Controller的__construct
否则assign的时候会报错 Call to a member function assign() on null
TP5.1 前置操作 Call to a member function assign() on null
或者使用initialize 而不是 _initializeTP5.1 前置操作 Call to a member function assign() on null