本文实例为大家分享了C++多线程实现电子词典的具体代码，供大家参考，具体内容如下
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// Dictionary.cpp : 定义控制台应用程序的入口点。
//vs2013编译
//字典文件:https://pan.baidu.com/s/1YHtwptaq_V8j034U9_J96A
#include "stdafx.h"
#include <string>
#include <vector>
#include <iostream>
#include <map>
#include <fstream>
#include <io.h>
#include <thread>
#include <time.h>
#include <Windows.h>
using namespace std;
class ParseDirectory
{
public:
ParseDirectory(string path){
this->path = path;
getFiles(files);
isdone = false;
t = thread(&ParseDirectory::txtToDic, this);
//t.join();
}
bool isDone()
{
return isdone;
}
map<string, string> getDic()
{
return vecDics;
}
virtual ~ParseDirectory()
{
}
private:
vector<string> files;
string path;
thread t;
map<string, string> vecDics;
bool isdone;
void getFiles(vector<string>& files)
{
//文件句柄
long hFile = 0;
//文件信息
struct _finddata_t fileinfo;
string p;
if ((hFile = _findfirst(p.assign(path).append("\\*").c_str(), &fileinfo)) != -1)
{
do
{
//如果是目录,迭代之
if ((fileinfo.attrib & _A_SUBDIR))
{
//if (strcmp(fileinfo.name, ".") != 0 && strcmp(fileinfo.name, "..") != 0)
//getFiles(p.assign(path).append("\\").append(fileinfo.name), files);
continue;
}
else
{
files.push_back(p.assign(path).append("\\").append(fileinfo.name));
}
} while (_findnext(hFile, &fileinfo) == 0);
_findclose(hFile);
}
}
void txtToDic()
{
for each (string file in files)
{
fstream f(file);
string word, explain;
//map<string, string> dic;
if (f.is_open())
{
//cout << file << endl;
while (1)
{
getline(f, word);
if (!getline(f, explain))
break;
vecDics[word] = explain;
}
}
f.close();
//vecDics.push_back(dic);
}
//cout << vecDics.size() << endl;
isdone = true;
}
};
void setColor(unsigned short ForeColor = 2, unsigned short BackGroundColor = 0)
{
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);//获取当前窗口句柄
SetConsoleTextAttribute(handle, ForeColor + BackGroundColor * 0x10);//设置颜色
}
int _tmain(int argc, _TCHAR* argv[])
{
vector<ParseDirectory*> pds;
cout << "正在加载资源...";
long start = clock();
vector<map<string, string> > allWords;
for (int i = 0; i < 26; i++)
{
string name = ".\\";
name += 'A' + i;
pds.push_back(new ParseDirectory(name));
}
int cnt = 0;
for (int i = 0; i < pds.size(); i++)
{
if (pds[i]->isDone())
{
cnt++;
allWords.push_back(pds[i]->getDic());
Sleep(300);
}
if (cnt == pds.size())
break;
}
system("cls");
cout << "加载完成!" << "耗时:" << (clock()-start)/1000.0 << "s" << endl;
cout << allWords.size();
string inquir;
while (1)
{
bool flag = false;
setColor();
cout << "\n输入要查询的单词:";
setColor(7, 0);
cin >> inquir;
for (int i = 0; i < allWords.size(); i++)
{
auto t = allWords[i][inquir];
if (t.size())
{
cout << t << endl;
flag=true;
}
}
if (!flag)
{
setColor(4, 0);
cout << "抱歉，未找到单词" << endl;
}
}
system("pause");
return 0;
}
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效果图：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/CosmopolitanMe/article/details/83651790