C++阅读CSV

#include <fstream>
#include <iostream>

int main() {
    std::ifstream file("data.csv");
    if (!file.is_open()) {
        std::cout << "Failed to open CSV file." << std::endl;
        return 1;
    }

    // 继续处理CSV文件
    // ...

    file.close();
    return 0;
}

std::string line;
while (std::getline(file, line)) {
    // 处理每行数据
    // ...
}

#include <sstream>
#include <vector>

std::string line;
while (std::getline(file, line)) {
    std::vector<std::string> fields;
    std::stringstream ss(line);
    std::string field;
    while (std::getline(ss, field, ',')) {
        fields.push_back(field);
    }

    // 处理每个字段的数据
    // ...
}