附加作业软件工程原则的应用实例分析

int main(int argc, char** argv) {if (argc &＃61;&＃61; 3) {FILE *fp &＃61; NULL;fp &＃61; fopen(argv[2], "r");char ch &＃61; fgetc(fp);int len &＃61; 0;long totalword &＃61; 0;string str &＃61; "";map<string, int>mp;vector<string>s;vectorstring, int> >pa;while (ch !&＃61; EOF) {...//统计单词函数
}...//统计词频函数return 0;}if (argc &＃61;&＃61; 2) {if (strcmp(argv[1], "-s") &＃61;&＃61; 0) {char ch;int len &＃61; 0;long totalword &＃61; 0;string str &＃61; "";map<string, int>mp;vector<string>s;vectorstring, int> >pa;while ((ch &＃61; getchar()) !&＃61; EOF) {...//统计单词函数
}...//统计词频函数return 0;}else {char buf[80];char *myFileBasePath &＃61;getcwd(buf, sizeof(buf));strcat(buf, "\\");strcat(buf, argv[1]);int judgeDirResultCode &＃61; is_dir_exist(myFileBasePath);if (judgeDirResultCode &＃61;&＃61; 0) { _finddata_t sfind;strcat(buf, "\\*.txt");long lresult &＃61; _findfirst(buf, &sfind);do { string path &＃61; sfind.name;path &＃43;&＃61; &＃39;\0&＃39;;FILE *fp &＃61; NULL;fp &＃61; fopen(path.c_str(), "r");for (int i &＃61; 0; i5; i&＃43;&＃43;) {printf("%c", path[i]);}printf("\n");char ch &＃61; fgetc(fp);int len &＃61; 0;long totalword &＃61; 0;string str &＃61; "";map<string, int>mp;vector<string>s;vectorstring, int> >pa;while (ch !&＃61; EOF) {...//统计单词函数
}...//统计词频函数}while (_findnext(lresult, &sfind) &＃61;&＃61; 0);return 0;}strcat(argv[1], ".txt");FILE *fp &＃61; NULL;fp &＃61; fopen(argv[1], "r");if (fp &＃61;&＃61; NULL) {printf("该文件/文件夹不存在&＃xff01;\n");return 0;}else {char ch &＃61; fgetc(fp);int len &＃61; 0;long totalword &＃61; 0;string str &＃61; "";map<string, int>mp;vector<string>s;vectorstring, int> >pa;while (ch !&＃61; EOF) {...//统计单词函数
}...//统计词频函数return 0;}}}if (argc &＃61;&＃61; 1) {char ch;int len &＃61; 0;long totalword &＃61; 0;string str &＃61; "";map<string, int>mp;vector<string>s;vectorstring, int> >pa;while ((ch &＃61; getchar()) !&＃61; &＃39;\n&＃39;) {...//统计单词函数
}...//统计词频函数return 0;}
}

void CreateEquation(vector<char>&ve)
{...
}
void RPNotation(vector<char>&st,vector<char>ve)
{...
}
void Correct_Ans(vector<char>st,double &correctAns)
{...
}
void PrintfEquation(vector<char>ve)
{...
}
bool Is_Equal(double a,double b)
{...
}
int main(int argc,char** argv)
{srand(time(NULL));if(argc&＃61;&＃61;1){int rightnum&＃61;0;for(int i&＃61;0;i<20;i&＃43;&＃43;){CreateEquation(vec);RPNotation(st,vec);Correct_Ans(st,correctAns);PrintfEquation(vec);printf("\n?");double t;scanf("%lf",&t);if(Is_Equal(correctAns,t)){rightnum&＃43;&＃43;;printf("答对啦&＃xff0c;你真是个天才!\n");}else{printf("再想想吧&＃xff0c;答案似乎是%g喔!\n",correctAns);}}printf("你一共答对%d道题&＃xff0c;共20道题。",rightnum);return 0;}if(argc&＃61;&＃61;3){string str&＃61;argv[2];for(int i&＃61;0;i){if(str[i]>&＃61;&＃39;0&＃39;&&str[i]<&＃61;&＃39;9&＃39;){continue;}printf("题目数量必须是 正整数。");return 0;}int a&＃61;atoi(str.c_str());if(a<&＃61;0){printf("题目数量必须是 正整数。");return 0;}int rightnum&＃61;0,totalnum&＃61;atoi(argv[2]);FILE *fp&＃61;fopen("题目.txt","w");for(int i&＃61;0;i){CreateEquation(vec);RPNotation(st,vec);Correct_Ans(st,correctAns);int j;for(j&＃61;0;j){printf("%c",vec[j]);fprintf(fp,"%c",vec[j]);}for(;j<50;j&＃43;&＃43;){printf(" ");fprintf(fp,"%c",32);}Fraction f1&＃61;(correctAns);f1.Print();//printf("%g\n",correctAns);//fprintf(fp,"%g\n",correctAns);
}return 0;}
}