#include<dos.h>#include<conio.h>#include<string.h>#include<math.h>#include<stdlib.h>#include<stdio.h>#define HEX 0#define DEC 1#define OCT 2#define BIN 3 int index=0,choice=0;/*初始化鼠标器*/void initmouse(){ _AX=0; geninterrupt(0x33); }/*显示鼠标光标*/void showmouse(){ _AX=1; geninterrupt(0x33);}/*隐藏鼠标*/void hidemouse(){ _AX=2; geninterrupt(0x33);}/*取鼠标状态和鼠标位置*/void getmouse(int *button,int *x,int *y){ _AX=3; _BX=0; geninterrupt(0x33); *button=_BL; *x=_CX; *y=_DX;}/*设置程序中的数字字符表*/int getnum(char c){ int j; char alpha_set[36]="0123456789abcdefghijklmnopqrstuvwzyz"; for(j=0;j<36;j++) { if(alpha_set[j]==c) break; } return j;}/*把任意radix进制的数，转换为十进制数*/unsigned long convert_to_decimal(char *_num,int radix){ int i,len; unsigned long dec=0; len=strlen(_num); len--; for(i=0;_num[i]!=NULL;i++,len--) { dec+=(getnum(_num[i])*pow(radix,len)); } return dec;}/*在给定的坐标(x,y)的位置显示一个字符串*/void display(int x,int y,char string[80]){ gotoxy(x,y); cprintf(string);}/*清屏，并且把背景色设置为青绿色*/void make_screen_cyan(){ textbackground(CYAN); clrscr();}/*绘制程序的初始界面*/void start_screen(){ index=0; hidemouse(); make_screen_cyan(); textbackground(RED); textcolor(BLACK); display(20,1,"Radix Converter by NILOY MONDAL."); display(10,2,"Email:-yiwei@zju.edu.cn"); display(30,3,"Press Escape to Quit"); textbackground(CYAN); display(10,5,"Hexadecimal:- "); display(10,7,"Decimal :- "); display(10,9,"Octal :- "); display(10,11,"Binary :- "); textbackground(BLUE); display(23,5," "); display(23,7," "); display(23,9," "); display(23,11," "); if(choice==HEX) gotoxy(24,5); else if(choice==DEC) gotoxy(24,7); else if(choice==OCT) gotoxy(24,9); else if(choice==BIN) gotoxy(24,11); showmouse();} void main(){ char text[80]="\0",buffer[80]; char ch,*charhex,*chardec,*charoct,*charbin; int button,mousex,mousey,x,y; unsigned long deci; initmouse(); start_screen(); showmouse(); while(1) { if(kbhit()) { ch=getch();/*ESCAPE键的ASCII值是27，如果用户按下ESC，程序结束*/ if(ch==27) break;/*如果按删除键并且光标没有越过输入框的边界*/ if(ch=='\b'&&wherex()>=24) {/*把光标退后一格，并且放一个空格在那里*/ cprintf("\b"); cprintf("%c",255);/*再把光标退后一格，弹出删除的字符*/ cprintf("\b"); if(index!=0) index--; text[index]=NULL; } else if(wherex()>=24&&ch>='0'&&ch<='f') { cprintf("%c",ch);/*把字符放入字符数组*/ text[index]=ch; /*把数组最后一位置零*/ text[index+1]=NULL; index++; }/*保存当前的坐标*/ x=wherex(),y=wherey();/*程序首先把字符串通过convert_to_decimal()转化为十进制数，之后调用stdlib.h定义的ltoa()把十进制数转换为其它进制数，比如二进制、八进制、十六进制等等.*/ switch(choice) { case HEX: deci=convert_to_decimal(text,16); gotoxy(24,7); printf("%ld ",deci); gotoxy(24,11); printf("%s ",ltoa(deci,buffer,2)); gotoxy(24,9); printf("%s ",ltoa(deci,buffer,8)); break; case DEC: deci=atol(text); gotoxy(24,5); printf("%s ",ltoa(deci,buffer,16)); gotoxy(24,9); printf("%s ",ltoa(deci,buffer,8)); gotoxy(24,11); printf("%s ",ltoa(deci,buffer,2)); break; case OCT: deci=convert_to_decimal(text,8); gotoxy(24,7); printf("%ld ",deci); gotoxy(24,5); printf("%s ",ltoa(deci,buffer,16)); gotoxy(24,11); printf("%s ",ltoa(deci,buffer,2)); break; case BIN: deci=convert_to_decimal(text,2); gotoxy(24,5); printf("%s ",ltoa(deci,buffer,16)); gotoxy(24,7); printf("%ld ",deci); gotoxy(24,9); printf("%s ",ltoa(deci,buffer,8)); break; } gotoxy(x,y); } getmouse(&button,&mousex,&mousey); mousex++,mousey++;/*下面的代码检测用户在什么地方按了什么按钮*/ if(mousex/8>23&&mousex/8<50&&mousey/16==2&&button&1==1) { choice=HEX; start_screen(); } else if(mousex/8>23&&mousex/8<50&&mousey/16==3&&button&1==1) { choice=DEC; start_screen(); } else if(mousex/8>23&&mousex/8<50&&mousey/16==4&&button&1==1) { choice=OCT; start_screen(); } else if(mousex/8>23&&mousex/8<50&&mousey/16==5&&button&1==1) { choice=BIN; start_screen(); } } }
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