} if(W=="cls"W=="CLS"W=="Cls") { // cin >> W; if(W=="cls 1" b<1){system("clear");} for(i=0;i<b;i++){cout<<endl;}system("clear");b=5; cout << "_________________________________" << endl; } if(W=="time"W=="TIME"W=="Time")//for(i=0;i<10;i++) {strftime(T, sizeof(T), "%H:%M:%S", localtime(&t));cout <<"当前时间: "<<T<< endl;} if(W=="date"W=="DATE"W=="Date") {strftime(T, sizeof(T), "%Y/%m/%d", localtime(&t));cout <<"当前日期: "<<T<< endl;} if(W=="echo"W=="ECHO"W=="Echo"){cout<<endl;cin >> W; if(W=="on"W=="ON"){o=0;M=P;goto i;}if(W=="off"W=="OFF"){o=1;}else{cout<<W<<endl<<endl;}} }else{b:cout<<"\033["<<g<<"\\"<<M<<"'"<<W<<"'不是内部指令\033[0m\n";} }exit(0);}