将整个ASCII文件读入C ++ std :: string
这是在C++中将整个ASCII文件读入std::string的简单方法-
算法
Begin
Declare a file a.txt using file object f of ifstream type to perform read operation.
Declare a variable str of string type.
If(f)
Declare another variable ss of ostringstream type.
Call rdbuf() fuction to read data of file object.
Put the data of file object in ss.
Put the string of ss into the str string.
Print the value of str.
End.示例
#include<iostream>
#include<fstream>
#include<sstream>
#include<string>
using namespace std;
int main() {
ifstream f("a.txt"); //taking file as inputstream
string str;
if(f) {
ostringstream ss;
ss << f.rdbuf(); // reading data
str = ss.str();
}
cout<<str;
}输入项
a.txt data file containing the text “hi”
输出结果
hi
热门推荐
10 儿子立冬祝福语简短独特
11 对当兵的祝福语简短
12 侄儿高考试祝福语简短
13 伴郎红包祝福语朋友简短
14 媳妇生日简短祝福语朋友
15 公司年会祝福语简短最好
16 元旦感恩祝福语简短大全
17 红包祝福语简短10字
18 周六早晨祝福语简短