fstream 输入的基本用法（供个人备忘）

简述：从map.txt读取一幅地图信息，然后输出

内容：

1）fstream读取文件

2）getline(fin,strLine)读取文件，并且赋值给字符数组保存

#include 
#include 
#include 

using namespace std;

int main(int argc, char **argv)
{
	ifstream fin("map.txt");
	int width = 21;
	int height = 19;
	char *mapInfo = new char[width * height];
	int cntLine = 0;
	while(!fin.eof()){
		string line;
		getline(fin,line);
		for(int j = 0;j < width;j++)
			 mapInfo[cntLine * width + j] = line[j];
		cntLine++;
	}
	cout << "MapInfo : " << endl;
	for(int i = 0;i < height;i++){
		for(int j = 0;j 

map.txt

111111111111111111111
100000000000000101001
1000010g0000101000001
100000000000000000001
1000000000000000000s1
100010000000000000001
1000000g0001000s00001
100000100001000000001
1000000g0001000100001
100000000000010000011
100000100000000000001
100000000000000000011
100100100000100000001
100000000000000000001
100010000000000000001
100000000000000011001
100000100010000000001
101000000100000010001
111111111111111111111

输出：