golang读取文件并逐行输出

package main

import (
	"bufio"
	"fmt"
	"io"
	"os"
)

func main() {
	openTxt("d:/Desktop/area.txt")
}

func openTxt(txt string) string {
	filePath := txt
	file, err := os.Open(filePath)
	if err != nil {
		fmt.Println("文件打开失败 = ", err)
		return ""
	}
	defer file.Close() // 关闭文本流
	reader := bufio.NewReader(file) // 读取文本数据
	for {
		str, err := reader.ReadString('\n')
		if err ==io.EOF {
			break
		}
		fmt.Print(str)
	}
	fmt.Println("文件读取结束")
	return ""
}

原文链接：https://blog.csdn.net/weixin_46304253/article/details/115354450