1.流含義
2.流類
3.流對象
4.流對象的函數
舉例：
? ? ? ? 要求：數據結構中經常需要對齊輸出數據，應該怎么做？
1.頭文件
#include<iomanip>2.創建表格頭
cout << setiosflags(ios::left) << setw(8) << "姓名"<< setw(8) << "性別"<< setw(8) << "年齡" << endl;3.輸入數據
char name[5][10] = {"王建","張輝","李素","如帥","外庫"}; char sex[5][3] = { "男","男","男","女","女" }; int age[5] = { 10,12,15,10,19 }; for (int i = 0;i < 5;i++) {cout << setiosflags(ios::left) << setw(8) << name[i]<< setw(8) << sex[i]<< setw(8) << age[i] << endl; }結果：
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