#include<iostream>
using namespace std;
#include<fstream>
#include<string>
#include<list>
void test_word_split();
 
int main()
{
	test_word_split();
	return 0;
}
 
void test_word_split()
{
	fstream fs;
	char filename[20] = {0};
	cout<<"請(qǐng)輸入打開(kāi)的文件名:";
	cin>>filename;
	//打開(kāi)文件
	fs.open(filename);
	cout<<"打開(kāi)成功"<<filename<<endl;
	char buf[1024] = {0};
	fs.getline(buf,1024);//讀取每一行
	cout<<buf<<endl;
	size_t pos;   //找到位置
	string line;  //接替buf職責(zé)
	line = buf;
	pos = line.find_first_of(",.;:'?!()/\"");  //找特殊的標(biāo)點(diǎn)符號(hào)
	while(pos!=string::npos)
	{   //刪除單個(gè)字符
		line.erase(pos,1);
		//再找下一個(gè)單個(gè)的字符
	   pos = line.find_first_of(",.;:'?!()/\""); 
	}
	cout<<line.c_str()<<endl; //string 轉(zhuǎn)char
}
 

#include<iostream>
using namespace std;
#include<fstream>
#include<string>
#include<list>
void test_word_split();
 
int main()
{
	test_word_split();
	return 0;
}
 
void test_word_split()
{
	fstream fs;
	char filename[20] = {0};
	cout<<"請(qǐng)輸入打開(kāi)的文件名:";
	cin>>filename;
	//打開(kāi)文件
	fs.open(filename);
	cout<<"打開(kāi)成功"<<filename<<endl;
	char buf[1024] = {0};
	fs.getline(buf,1024);//讀取每一行
	cout<<buf<<endl;
	size_t pos;
	string line,word;
	line = buf;
	pos = line.find_first_of(",.;:'?!()/\"");  //找特殊的標(biāo)點(diǎn)符號(hào)
	while(pos!=string::npos)
	{   //刪除單個(gè)字符
		line.erase(pos,1);   //從什么位置開(kāi)始刪除多長(zhǎng)的字符
		//再找下一個(gè)單個(gè)的字符
	    pos = line.find_first_of(",.;:'?!()/\""); 
	}
	cout<<line.c_str()<<endl; //string 轉(zhuǎn)char
	//根據(jù)空格截取單詞 find("")  111 222 333
	pos = line.find(" ");
	while(pos!=string::npos)
	{
		//截取單詞
		word = line.substr(0,pos);//從0開(kāi)始，一直截到空格所在位置
		cout<<word<<endl;     
		//把第一個(gè)單詞以及空格刪除
		line.erase(0,pos+1);  //從什么位置開(kāi)始刪除多長(zhǎng)的字符(如刪111 )因此pos+1
		pos = line.find(" "); //尋找下一個(gè)空格
	}
}
 

#include<iostream>
using namespace std;
#include<fstream>
#include<string>
#include<list>
void test_word_split();
 
int main()
{
	test_word_split();
	return 0;
}
 
void test_word_split()
{
	list<string> wordList;//鏈表
	fstream fs;
	char filename[20] = {0};
	cout<<"請(qǐng)輸入打開(kāi)的文件名:";
	cin>>filename;
	fs.open(filename);
	cout<<"打開(kāi)成功"<<filename<<endl;
	char buf[1024] = {0};
	string line,word;  //初始化定義
	while(fs.getline(buf, 1024))//讀取每一行
	{
		size_t pos;  //找到位置
		line = buf;  //接替buf職責(zé)
		pos = line.find_first_of(",.;:'?!()/\"");
		while(pos!=string::npos)//!=npos就找到
		{
			line.erase(pos,1);  //從什么位置開(kāi)始刪除多長(zhǎng)字符
			pos = line.find_first_of(",.;:'?!()/\"");//尋找下一個(gè)標(biāo)點(diǎn)符號(hào)
		}
		pos = line.find(" ");  //尋找空格所在位置
		while(pos!=string::npos)
		{
			word = line.substr(0,pos);//從0開(kāi)始，一直截到空格所在位置
			wordList.push_back(word); //拿到的單詞放在鏈表中
			//把第一個(gè)單詞以及空格刪除
			line.erase(0, pos+1);//從什么位置開(kāi)始刪除多長(zhǎng)的字符(如刪111 )因此pos+1
			pos = line.find(" ");//尋找下一個(gè)空格
		}
	}
	cout<<"驗(yàn)證一下"<<endl;
	list<string>::iterator it;
	for(it = wordList.begin();it!=wordList.end();it++)
	{
		cout<<(*it).c_str()<<endl;
	}
	cout<<"總的個(gè)數(shù):"<<wordList.size();
	fs.close();
}