用c++如何读出txt文件?

2025-02-09 05:43:21
推荐回答(2个)
回答1:

/*

7.000 40.636 0.000
9.000 40.636 0.000
9.168 40.636 0.000
9.668 40.636 0.000
9.787 40.636 0.000
9.920 40.636 0.000
10.044 40.636 0.000
10.182 40.636 0.000
10.312 40.636 0.000
10.437 40.636 0.000
10.564 40.636 0.000
10.693 40.636 0.000
10.823 40.636 0.000
10.942 40.636 0.000
11.069 40.636 0.000
11.203 40.636 0.000
11.324 40.636 0.000
11.451 40.636 0.000
Press any key to continue

*/

#include 
#include
using namespace std;
int main() {
ifstream myFile;
myFile.open("F:\\VC\\a.txt");
char output[100];
int i = 0;
if(myFile.is_open()) {
while(!myFile.eof()) {
myFile >> output;
cout << output << ' ';
++i;
if(i%3 == 0 && i) cout << endl;
}
}
myFile.close();
return 0;
}

代码没有问题,以上是测试结果。

你看看,.txtx文件的存放目录是否与.cpp文件相同。

回答2:

#include
#include
using namespace std;
int main()
{
FILE * file;
file=fopen("wenjian.txt","r");
if(file==NULL)
{
cout<<"NO the file"<system("pause");
return;
}
while(!feof(file))
{
char ch=fgetc(file);
cout<}
fclose(file);
cout<return 1;
system("pause");
}
system("pause");
}

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