package main
import (
"encoding/json"
"fmt"
"os"
)
//将于谦的信息map写入到一个json文件
func main021() {
dataMap := make(map[string]interface{})
dataMap["name"]= "于谦"
dataMap["rmb"]= 123.55
dataMap["age"]= 50
dataMap["hobby"]= []string{"抽烟","喝酒","烫头"}
//打开或创建目标文件
dastFile, _ := os.OpenFile("E:/go-project/daemon/w3/于谦.json", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
defer dastFile.Close()
//创建一个编码器
encoder := json.NewEncoder(dastFile)
err := encoder.Encode(dataMap)
if err != nil{
fmt.Println("编码失败,err=",err)
return
}
fmt.Println("编码成功")
}
//将由结构体组成的切片写入到一个json文件
func main() {
type Persion struct {
Name string
Age int
Sex bool
Hobby []string
Rmb float64
}
p1 := Persion{"王刚蛋", 30, false, []string{"抽中华", "喝怡宝", "烫头"}, 123.45}
p2 := Persion{"王铁蛋", 30, false, []string{"抽玉溪", "喝农夫山泉", "烫鸡冠头"}, 123.45}
p3 := Persion{"王铜蛋", 30, false, []string{"抽利群", "喝娃哈哈", "烫波浪"}, 123.45}
persions := make([]Persion, 0)
persions = append(persions, p1, p2, p3)
dstFile, _ := os.OpenFile("E:/go-project/daemon/w3/八大姨.json", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
defer dstFile.Close()
encoder := json.NewEncoder(dstFile)
err := encoder.Encode(persions)
if err != nil {
fmt.Println("编码失败,err=",err)
return
}
fmt.Println("编码成功")
}