在 Go 中加载 CSV 文件

package main

import (
	"encoding/csv"
	"fmt"
	"io"
	"os"
)

type CityPopulation struct {
	City  string
	Population string
}

func check(e error) {
	if e != nil {
		panic(e)
	}

}

func main() {
	fmt.Println("This is the entry point!")

	file, err := os.Open("pops.csv")
	check(err)
	println("Log: Opened CSV file")

	reader := csv.NewReader(file)

	var pops []CityPopulation

	for {
		line, err := reader.Read()

		if err == io.EOF {
			break
		}
		check(err)

		pops = append(pops, CityPopulation{
			City:  line[0],
			Population: line[1],
		})
	}
	for i := range pops {
        fmt.Printf("The city of %s is populated with %s people.\n" , pops[i].City, pops[i].Population)
	}
}