WC项目要求：实现一个统计程序，它能正确统计程序文件中的字符数、单词数、行数、以及其他功能，并能够快速地处理多个文件。
代码来源：http://www.cnblogs.com/hgcrown/p/5311155.html
Github 地址https://github.com/fengyulouxiao/WC/commit/dced8a000ec67828c23313dd9294f2d01ad9cb0e
内容：
#include "iostream"
#include "string"#include "stdio.h"using namespace std;
FILE *file;
int chars = 0, words = 0, lines = 1, symbols = 0, s[500];char c;//定义全局变量void index()
{ cout << " ********************主菜单*********************" << endl; cout << " * *" << endl; cout << " * 1、显示字符数、单词数和行数 *" << endl; cout << " * *" << endl; cout << " * 2、显示符号数 *" << endl; cout << " * *" << endl; cout << " * 3、显示行数及行分类 *" << endl; cout << " * *" << endl; cout << " * 4、显示所有 *" << endl; cout << " * *" << endl; cout << " * 5、退出 *" << endl; cout << " * *" << endl; cout << " ***********************************************" << endl; cout << " * 请选择需要的功能：";}//主菜单函数void analyse()
{ while ((c = fgetc(file)) != EOF) { chars++; if (((c <= 'z') && (c >= 'a')) || ((c <= 'Z') && (c >= 'A')) || ((c >= '0') && (c <= '9'))) { words++; while ((c = fgetc(file)) != EOF) { chars++; if (((c <= 'z') && (c >= 'a')) || ((c <= 'Z') && (c >= 'A')) || ((c >= '0') && (c <= '9'))) { } else if (c == '\n') { s[lines] = 1; lines++; break; } else if (c == ' ') break; else { symbols++; break; } } } else if (c == '/') { if ((c = fgetc(file)) == '/') { symbols += 2; s[lines] = 2; fseek(file, -1L, SEEK_CUR); } } else if (c == '\n') { if (s[lines] != 2) s[lines] = 1; lines++; } else if (c == ' ') { } else symbols++; } if (s[lines] != 2) s[lines] = 1;}//分析所有字符数、单词数、行数及行类的函数int main()
{ char name[30], b; int a, i, j; cout << " * 请输入源文件名:"; for (;;) { cin >> name; if ((file = fopen(name, "r")) != NULL) break; else cout << " * 文件路径错误！请重新输入源文件名:"; } analyse(); fclose(file); index(); cin >> a; while (a != 5) { switch (a) { case 1:cout << " * 字符数：" << chars << endl; cout << " * 单词数：" << words << endl; cout << " * 行数 ：" << lines << endl; cout << " * 按任意键返回："; b = getchar(); b = getchar(); break; case 2:cout << " * 符号数：" << symbols << endl; cout << " * 按任意键返回："; b = getchar(); b = getchar(); break; case 3:cout << " * 行数：" << lines << endl; for (i = 1; i <= lines; i++) { if (s[i] == 1) { if (i<10) cout << " * 第" << i << "行为 代码行" << endl; else if (i<100) cout << " * 第" << i << "行为 代码行" << endl; else cout << " * 第" << i << "行为 代码行" << endl; } else if (s[i] == 2) { if (i<10) cout << " * 第" << i << "行为 注释行" << endl; else if (i<100) cout << " * 第" << i << "行为 注释行" << endl; else cout << " * 第" << i << "行为 注释行" << endl; } } cout << " * 按任意键返回："; b = getchar(); b = getchar(); break; case 4:cout << " * 字符数：" << chars << endl; cout << " * 单词数：" << words << endl; cout << " * 符号数：" << symbols << endl; cout << " * 行数 ：" << lines << endl; for (j = 1; j <= lines; j++) { if (s[j] == 1) { if (j<10) cout << " * 第" << j << "行为 代码行" << endl; else if (j<100) cout << " * 第" << j << "行为 代码行" << endl; else cout << " * 第" << j << "行为 代码行" << endl; } else if (s[j] == 2) { if (j<10) cout << " * 第" << j << "行为 注释行" << endl; else if (j<100) cout << " * 第" << j << "行为 注释行" << endl; else cout << " * 第" << j << "行为 注释行" << endl; } } cout << " * 按任意键返回："; b = getchar(); b = getchar(); break; } system("cls"); index(); cin >> a; } return 0;}//主函数博主是用了代码system("cls")进行清屏操作和C中的fseek(file,-1L,SEEK_CUR)代码，没有用c++中的文件操作，需要改善。