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                [TOC] # 簡介 ~~~ cin.get() //一次只能讀取一個字符 cin.get(一個參數) //讀一個字符 cin.get(兩個參數) //可以讀字符串 cin.getline()//取一行,換行符丟棄 cin.ignore()//忽略 cin.peek()//偷窺 cin.putback()//放回 ~~~ # 代碼 ## 讀取單個字符 ~~~ char c = cin.get(); cout << "輸出: " << c << endl; ~~~ ## 支持鏈式調用 ~~~ char ch1, ch2, ch3, ch4; cin.get(ch1).get(ch2).get(ch3).get(ch4); cout << ch1 << ch2 << ch3 << ch4 << endl; ~~~ ## 緩沖區讀取 ~~~ char buf[1024] = { 0 }; cin.get(buf, 1024);//讀取緩沖區時,換行不拿走 char c = cin.get(); if (c == '\n') { cout << "換行還在緩沖區" << endl; } cout << buf << endl; ~~~ ## 讀取一行數據 ~~~ char buf[1024] = { 0 }; cin.getline(buf, 1024);//讀取緩沖的一行數據,換行符丟棄 char c = cin.get();//阻塞 if (c == '\n') { cout << "換行還在緩沖區" << endl; } cout << buf << endl; ~~~ # 忽略字符 ~~~ cin.ignore(3); //里面是幾就忽略幾個 char c1 = cin.get(); cout << c1 << endl; ~~~ # 偷窺第一個字符 ~~~ char c = cin.peek();//偷窺第一個字符 cout << c << endl; char c2 = cin.get(); cout << c2 << endl; ~~~ # 放回一個字符 ~~~ char c = cin.get(); cout << c << endl; cin.putback(c);//放回 char buf[1024] = { 0 }; cin.getline(buf, 1024); cout << buf << endl; ~~~ ## 清空緩沖區和重置標識位 ~~~ //重置標志位 cin.clear(); //清空緩沖區 cin.sync(); ~~~
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