因为我是这个c ++编程的新手。我对这个问题感到困惑。如果有" const char str []",如何以整数值返回?
compile 'com.google.firebase:firebase-database:11.0.2'
compile 'com.google.firebase:firebase-config:11.0.2'
compile 'com.google.firebase:firebase-ads:11.0.2'
compile 'com.google.firebase:firebase-crash:11.0.2'
compile 'com.google.firebase:firebase-messaging:11.0.2'
我必须做str [i] = n - &#39; 0&#39; ? 如何以整数值<?p>返回此字符数字