#yyds干货盘点#golang生成vcf格式文件详解

Posted 2022-03-20 峰啊疯了

1.何为vcf文件

​VCF是通讯录格式文件，一般需要用手机通讯录导入导出的文件格式都是vcf格式。​

​2.生成文件的目的是啥​

​如果你是卖房销售，或者你是做什么推销的，你可以生成同城的手机号，一个个打电话推销。​

​3.源码​

package number


/*
@Time : 2021/12/22 17:44
@Author :dengfeng_hu
@File : phone
@Software: GoLand
*/



import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
"time"
)

const (
    inputFilePath = "D:/phone.txt"
    fileName = "洛阳"
    last = "36"
    fileSize = 5
    outputPath = "D://phoneNumber"
)

func getNum(fileName string) int 
    var num = 1
    for  
        if _,err:=os.Stat("D://phoneNumber/" + fileName + strconv.Itoa(num)+".vcf");
        os.IsNotExist(err)
            return num
        
        num++
    



func Exe()  
    mid := read()
    for i:=0;i<len(mid);i=i+5
        var subList []string
        if i+fileSize<len(mid)
            subList = mid[i:i+fileSize:len(mid)]
        else
            subList = mid[i:len(mid):len(mid)]
        
        fmt.Println(subList)
        MyTest(subList,fileName,last)
    


func MyTest(mid []string,fileName string,last string)
    num := getNum(fileName)
    file, err := os.OpenFile(outputPath+"/" + fileName +strconv.Itoa(num) +".vcf", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
    if err != nil 
        fmt.Println("文件打开失败", err)
        return
    
    //及时关闭file句柄
    defer file.Close()
    write := bufio.NewWriter(file)
    count:=1
    for i := 0;i<len(mid);i++
        for j := 0;j<100;j++
            phoneNumber := strings.ReplaceAll(mid[i],"\\r\\n","") + fmt.Sprintf("%02d", j) + last
            makeNumber(phoneNumber,write,strconv.Itoa(count))
            count++
        
    
    makeNumber("15804299051",write,strconv.Itoa(count))
    write.Flush()
    fmt.Println("文件创建成功，时间："+time.Now().Format("2006-01-02 15:04:05"))



func makeNumber(num string,w *bufio.Writer,index string)
    w.WriteString("BEGIN:VCARD" + "\\r\\n")
    w.WriteString("VERSION:3.0" + "\\r\\n")
    w.WriteString("FN;CHARSET=UTF-8:1" + "\\r\\n")
    w.WriteString("N;CHARSET=UTF-8:;;" + "A"+index +";;" + "\\r\\n")
    w.WriteString("TEL;TYPE=CELL:" + num  + "\\r\\n")
    w.WriteString("END:VCARD" + "\\r\\n")



func read() []string
    var mid []string
    f, err := os.Open(inputFilePath)
    if err != nil 
        panic(err)
    
    defer f.Close()
    rd := bufio.NewReader(f)
    for 
        line, err := rd.ReadString(\\n) //以\\n为结束符读入一行
        if err != nil #yyds干货盘点#认识Golang中的数组类型

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