键码表:
int A=401;
int B=505;
int C=503;
int D=403;
int E=303;
int F=404;
int G=405;
int H=406;
int I=308;
int J=407;
int K=408;
int L=409;
int M=507;
int N=506;
int O=309;
int P=310;
int Q=301;
int R=304;
int S=402;
int T=305;
int U=307;
int V=504;
int W=302;
int X=502;
int Y=306;
int Z=501;