1 #include "stdio.h" 2 #include "time.h" 3 #include "dos.h" 4 #include "windows.h" 5 #include "string.h" 6 #include "ctype.h" 7 8 int year_r(); //显示年 9 int month_h(); //月 10 int date_e(); //日 11 int time_e(); //时间 12 char * time_ta(); //将日期时间转换成字符串 13 int wait_t(); //延时1秒 14 15 char * time_ta() //将日期时间转换成字符串 16 { 17 char *q; 18 time_t t; 19 t=time(NULL); 20 q=ctime(&t); 21 //printf("*q_address = 0x%x ",q); 22 return (q); 23 } 24 25 int wait_t() //延时1秒 26 { 27 long temp_total=0; 28 time_t time_temp; 29 time_temp=time(NULL); 30 temp_total=time_temp; 31 for(;;) 32 { 33 time_temp=time(NULL); 34 if(abs(time_temp - temp_total) >=1) 35 break; 36 } 37 38 return (0); 39 } 40 41 int main() 42 { 43 int temp; 44 45 system("cls"); //清屏 46 printf(" "); 47 year_r(); 48 printf("年"); 49 temp = month_h(); 50 if (temp != 13) 51 { 52 printf("%d",temp); 53 printf("月"); 54 } 55 else printf("month error! "); 56 date_e(); 57 printf("日"); 58 time_e(); 59 printf(" "); 60 for(;;) //显示年月日时分秒 61 { 62 wait_t(); // 1秒钟到显示年月日时分秒 63 system("cls"); 64 printf(" "); 65 year_r(); 66 printf("年"); 67 temp = month_h(); 68 if (temp != 13) 69 { 70 printf("%d",temp); 71 printf("月"); 72 } 73 else printf("month error! "); 74 75 date_e(); 76 printf("日"); 77 time_e(); 78 } 79 getchar(); 80 81 } 82 83 int year_r() //显示年 84 { 85 86 char *p; 87 int i; 88 p=time_ta(); 89 for(i=0;i<24;i++,p++) //ctime函数返回字符为24个 90 if(i>19&&i<24) 91 printf("%c",*p); 92 return (0); 93 } 94 95 int month_h() //显示月 96 { 97 char month_n[12][5]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"}; 98 char *p; 99 char month[4]; //存放三个字符 100 int i,j=0; 101 p=time_ta(); 102 for(i=0;i<24;i++,p++) //i<24因为ctime()函数返回有24个字符 103 { 104 if(i>=4 && i<7) //取ctime函数返回值的第5--8共三个字符. 105 { 106 month[j++]=*p; 107 if(j==3) 108 { 109 month[j]=' '; 110 break; 111 112 } 113 } 114 } 115 for (i=0;i<12;i++) 116 { 117 if (strcmp(month_n[i],month) == 0) 118 { 119 return (i+1); 120 121 } 122 123 } 124 125 return (13); 126 127 } 128 129 int date_e() //日 130 { 131 int j=0,i=0; 132 char date[2]; 133 char *p; 134 p=time_ta(); 135 for(i=0;i<24;i++,p++) 136 if(i>=8&&i<10) 137 { date[j]=*p; 138 printf("%c",date[j++]);} 139 return 0; 140 } 141 142 int time_e() //时间 143 { int i; 144 char *p; 145 p=time_ta(); 146 for(i=0;i<24;i++,p++) 147 if(i>10&&i<19) 148 printf("%c",*p); 149 printf(" "); 150 return (0); 151 }
1 #include <iostream> 2 #include <windows.h> 3 using namespace std; 4 int main() 5 { 6 SYSTEMTIME sys; 7 do 8 { 9 GetLocalTime(&sys); 10 cout<<sys.wHour<<":"<<sys.wMinute<<":"<<sys.wSecond; 11 Sleep(1000); 12 system("cls"); 13 }while(1); 14 return 0; 15 }