std::ifstream infile; infile.open("/Users/yangwenhuan/IVP_workbench/test/graph.prototxt"); std::stringstream buf; buf << infile.rdbuf(); string prototxt_str = buf.str(); infile.close(); 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FILE *pfile = fopen("/Users/yangwenhuan/IVP_wor...
ifstream inFile; string name; int age; // 打开文件 inFile.open("text.txt"); if (!inFile.is_open()) { // 判断文件是否打开失败 cout << "文件打开失败!" << endl; system("pause"); exit(-1); } while (1) { // 从文件中读取第一个数据,并将其打印出来 inFile >> name; if (inFile...
str(s); std::string item; while (std::getline(ss, item, delim)) { elems.push_back(item); } } int main() { std::ifstream infile ("./data.asc"); std::string line; while (std::getline(infile, line)) { vector<string> row_values; split(line, '\t', row_values); for (auto...
char ch; ifstream infile("f1.dat",ios::in);//以输入的方式打开文件 if(!infile){ cerr<<"open error!"<<endl; exit(1); } ofstream outfile("f3.dat"); //定义输出流f3.dat文件 if(!outfile){ cerr<<"open error!"<<endl; exit(1); } while(infile.get(ch)){ //当读取字符成功时 if...
ifstream infile(Rname,ios::binary);ofstream outfile(Wname,ios::binary);if(!infile||!outfile){ cerr<<"error"<<endl;exit(1);} int j=0,count=0;double d,dp;cout<<"数组读取:"<<endl;while(!infile.eof()){ infile>>d;count++;} infile.clear();infile.seekg(0);dp=new ...
using namespace std; int main() { int i,index,lines; char buffer[1024]; char FileName[256]; cout<<"pleast input filename"; cin>>FileName; ifstream infile(FileName,ios::in); if(infile.fail()) { cout<<"打开文件<<FileName<<"失败"<<endl; ...
using namespace std; class CStudent { public: char szName[20]; int age; }; int main() { CStudent s; ifstream inFile("students.dat",ios::in|ios::binary); //二进制读方式打开 if(!inFile) { cout << "error" <<endl; return 0; ...
std::ifstream infile; infile.open(name, std::ifstream::in); if (!infile.is_open()) { std::cerr << "fail to open file: " << name << std::endl; //fprintf(stderr, "fail to open file: %s\n", name); return -1; }
ifstream 是 char 类型的 basic_ifstream 模板的特化。根据您的需要,比如读取UTF-16编码文件,您可能必须使用不同的专业化( wifstream )或甚至使用特殊的区域设置(阅读此内容以了解有关区域设置的更多信息)。 是ifstream infile(“test.txt”,ifstream :: in | ifstream :: binary); 正确的语法使用多个 标志? 是...
#include<iostream>#include<fstream>using namespace std;intmain(){char data[100];// 以读的方式打开文件ifstream infile;infile.open("file.txt");// 读取文件infile.read(data,100);// 关闭文件infile.close();// 输出读取的数据cout<<data<<endl;return0;} ...