c语言万年历源代码（万年历c++编程）

本文实例为大家分享了C++实现万年历的具体代码，供大家参考，具体内容如下

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 #include<iostream> #include<string> #include<fstream> #include<iomanip> using namespace std; #include<time.h> ofstream fout("日历.txt"); void Printtitle(int n); int OrEndl(int n); string Choose(); //选择功能 int Calculate(int mon,int day); void Printday(int a); void FirstDay(int wday); void SomeYear(int p); void ThisMonth(); //打印当月日历的主函数 void PrintFirstNum(int mon); void Printyear(int year); void ThisYear(int p); //打印当年日历的主函数 void Month(int n); void Printnum(int q,int mon); int Firstwday[12]; //储存每个月1号的星期数 struct tm *local; string ch; int a[12]={31,28,31,30,31,30,31,31,30,31,30,31}; //储存每月的天数 int main(void) { long t; time(&t); local=localtime(&t); local->tm_year=local->tm_year+1900; local->tm_mon++; cout<<"今天是："<<local->tm_year<<"年"<<local->tm_mon <<"月"<<local->tm_mday<<"日，"; fout<<"今天是："<<local->tm_year<<"年"<<local->tm_mon <<"月"<<local->tm_mday<<"日，"; Month(local->tm_wday); cout<<endl; fout<<endl; cout<<"当前时间是："<<local->tm_hour<<"时"<<local->tm_min<<"分"<<local->tm_sec <<"秒"<<local->tm_wday<<endl; fout<<"当前时间是："<<local->tm_hour<<"时"<<local->tm_min<<"分"<<local->tm_sec <<"秒"<<local->tm_wday<<endl; string flag; int sum; if(((local->tm_year%4==0)&&(local->tm_year%100!=0))||(local->tm_year%400==0)) a[1]=29; sum=Calculate(local->tm_mon,local->tm_mday); int p=sum-(local->tm_wday+1)-(sum/7)*7; do{ flag=Choose(); if(flag=="1") //根据选择的数字确定调用哪个函数 ThisMonth(); else if(flag=="2") ThisYear(p); else if(flag=="3") SomeYear(p); else if(flag=="4") break; else { cout<<"输入错误"<<endl; fout<<"输入错误"<<endl; continue; } }while(1); return 0; } string Choose() { cout<<"请选择"<<"1、当月日历"<<endl<<" 2、当年日历"<<endl <<" 3、万年历"<<endl<<" 4、退出"<<endl; fout<<"请选择"<<"1、当月日历"<<endl<<" 2、当年日历"<<endl <<" 3、万年历"<<endl<<" 4、退出"<<endl; cin>>ch; fout<<ch; cout<<endl; fout<<endl; return ch; } void ThisMonth() { int m=local->tm_mon%12; Printtitle(m); int p=local->tm_mday-(local->tm_wday+1)-(local->tm_mday/7)*7; Printnum(p,local->tm_mon); } void ThisYear(int p) { FirstDay(p); Printyear(local->tm_year); for(int a=1;a<12;a=a+2) { Printtitle(a); PrintFirstNum(a); } } void SomeYear(int p) //打印万年历的主函数 { int m; cout<<"Please enter a year number"<<endl; fout<<"Please enter a year number"<<endl; while(1) { scanf("%d",&m); if( m<0 ) { printf("\nInput error,Please enter a year number again:\n"); fflush(stdin); //没加这句话会死循环，加了就ok } else break; } fout<<m; cout<<endl; fout<<endl; Printyear(m); int n=m; if(n<local->tm_year) //计算所输年份的1月1日星期几 { for(;n<local->tm_year;n++) { if(((n%4==0)&&(n%100!=0))||(n%400==0)) p=p+2; else p++; if(p>=7) p=p-7; } } else { for(;n>local->tm_year;n--) { if(((n%4==0)&&(n%100!=0))||(n%400==0)) p=p-2; else p--; if(p<0) p=p+7; } } FirstDay(p); for(int h=1;h<12;h=h+2) { Printtitle(h); if(((m%4==0)&&(m%100!=0))||(m%400==0)) a[1]=29; else a[1]=28; PrintFirstNum(h); } } void Printtitle(int n) //打印标题 { do{ cout<<" "; fout<<" "; char str[12][10]={"January","February","March","April","May","June","July","August","September","October","November","December"}; for(int h=0;h<10;h++) { cout<<str[n-1][h]; fout<<str[n-1][h]; } cout<<" "; fout<<" "; if(OrEndl(n)) break; n++; }while(!(n%2)); do{ cout<<"____________________________"; fout<<"____________________________"; if(OrEndl(n)) break; n++; }while(!(n%2)); do{ cout<<" Sun Mon Tue Wed Thu Fri Sat "; fout<<" Sun Mon Tue Wed Thu Fri Sat "; if(OrEndl(n)) break; n++; }while(!(n%2)); } int Calculate(int mon,int day) //计算当天到当年1月1日的天数 { int sum=day; for(mon--;mon!=0;mon--) sum=sum+a[mon-1]; return sum; } void FirstDay(int wday) //推算每个月1号的星期数 { if(wday<=0) wday=wday+7; Firstwday[0]=7-wday; for(int n=0;n<11;n++) { Firstwday[n+1]= Firstwday[n]+a[n]%7; if(Firstwday[n+1]>6) Firstwday[n+1]=Firstwday[n+1]-7; } } int OrEndl(int n) { if(ch=="1") //如果是打出当月日历就直接跳出循环 { cout<<endl; fout<<endl; return 1; } if(n%2) //判断单月输空格，双月回车 { cout<<" "; fout<<" "; } else { cout<<endl; fout<<endl; } return 0; } void Printyear(int year) //打印年份 { int m=year/1000; int n=(year/100)%10; int p=(year/10)%10; int q=year%10; int num[4]={m,n,p,q}; char str[5][10][7]={"***** "," * ","***** ","***** ","* * ","***** ","***** ","***** ","***** ","***** ", "* * "," * "," * "," * ","* * ","* ","* "," * ","* * ","* * ", "* * "," * ","***** ","***** ","***** ","***** ","***** "," * ","***** ","***** ", "* * "," * ","* "," * "," * "," * ","* * "," * ","* * "," * ", "***** "," * ","***** ","***** "," * ","***** ","***** "," * ","***** ","***** ",}; for(int g=0;g<5;g++) { cout<<" "; fout<<" "; for(int i=0;i<4;i++) for(int h=0;h<7;h++) { cout<<str[g][num[i]][h]; fout<<str[g][num[i]][h]; } cout<<endl; fout<<endl; } } void PrintFirstNum(int mon) //打印每两个月的日历 { int mday[2]; //储存每两个月当前打印的日期 do{ int k=0; for(;k<Firstwday[mon-1];k++) { cout<<" "; fout<<" "; } k++; for(int d=1;k<8;d++,k++) //输入每个月的第一行 { cout<<" "<<d<<" "; fout<<" "<<d<<" "; } if(mon%2) //判断单月输空格，双月回车 { cout<<" "; fout<<" "; mday[mon%2-1]=d; } else { cout<<endl; fout<<endl; mday[mon%2+1]=d-1; } mon++; }while(!(mon%2)); mon=mon-2; int i=0,k=1,m=mon-1; for(;mday[i]<a[m]+1;mday[i]++,k++) { if(mday[i]<10) { cout<<" "<<mday[i]<<" "; fout<<" "<<mday[i]<<" "; } else { cout<<" "<<mday[i]<<" "; fout<<" "<<mday[i]<<" "; } if(k==7) { if(!i) { cout<<" "; fout<<" "; i=1; m++; } else { cout<<endl; fout<<endl; i=0; m--; } k=0; } } m=mon-1; if(mday[0]==a[m]+1&&mday[1]<a[m+1]+1) //当双月未结束，单月输入结束跳出时最后一行的输出情况 { for(;k<8;k++) { cout<<" "; fout<<" "; } cout<<" "; fout<<" "; k=1; for(mday[1]++;mday[1]<a[m+1]+1;mday[1]++,k++) { cout<<" "<<mday[1]<<" "; fout<<" "<<mday[1]<<" "; if(k==7) { cout<<endl; fout<<endl; cout<<" "; fout<<" "; } } cout<<endl; fout<<endl; } if(mday[0]<a[m]+1&&mday[1]==a[m+1]+1) //当单月未结束，双月输入结束跳出时最后一行的输出情况 { cout<<endl; fout<<endl; k=1; for(mday[0]++;mday[0]<a[m]+1;mday[0]++,k++) { cout<<" "<<mday[0]<<" "; fout<<" "<<mday[0]<<" "; if(k==7) { cout<<endl; fout<<endl; cout<<" "; fout<<" "; } } cout<<endl; fout<<endl; } } void Month(int n) { char str[7][7]={"星期天","星期一","星期二","星期三","星期四","星期五","星期六"}; for(int h=0;h<7;h++) { cout<<str[n][h]; fout<<str[n][h]; } } void Printnum(int q,int mon) //打印当月日历 { if(q<0) q=q+7; int k=0; if(q!=7&&q) { for(;k<7-q;k++) { cout<<" "; fout<<" "; } } k++; for(int d=1;d<a[mon-1]+1;d++,k++) { cout<<setw(4)<<d; if(k==7) { cout<<endl; fout<<endl; k=0; } } cout<<endl; fout<<endl; }