sonew写的oj系统。前台使用php，数据库为mysql，后台是用qt编写的。不过，后台源码没有给出，而且大家注意使用时，php的默认全局变量必须开启，你也可以自己修改相应代码，就不用开启全局变量了-oj wrote sonew system. Future use of php, database mysql, the background is prepared qt. However, the background did not give a source, but also pay