【GO】json转map、切片、结构体

/**
json转map
*/
func main3() {
  jsonStr := `{"name":"咔咔","age":20,"address":["fangkang.top","blog.fangkang.top"]}`
  mMap := make(map[string]interface{})
  err := json.Unmarshal([]byte(jsonStr), &mMap)
  if err != nil {
    fmt.Println("反序列化失败")
  } else {
    // map[address:[fangkang.top blog.fangkang.top] age:20 name:咔咔]
    fmt.Println(mMap)
  }
}

func main() {
  jsonStr := `[
        {"name":"咔咔","age":20,"address":["fangkang.top","blog.fangkang.top"]},
        {"name":"咔咔","age":20,"address":["fangkang.top","blog.fangkang.top"]},
        {"name":"咔咔","age":20,"address":["fangkang.top","blog.fangkang.top"]}
  ]`
  mSlice := make([]map[string]interface{}, 0)
  err := json.Unmarshal([]byte(jsonStr), &mSlice)
  fmt.Println(err)
  if err != nil {
    fmt.Println("反序列化失败")
  } else {
    // [map[address:[fangkang.top blog.fangkang.top] age:20 name:咔咔] map[address:[fangkang.top blog.fangkang.top] age:20 name:咔咔] map[address:[fangkang.top blog.fangkang.top] age:20 name:咔咔]]
    fmt.Println(mSlice)
  }
}

type Persons struct {
  Name    string
  Age     int
  Address []string
}
/**
json转结构体
*/
func main() {
  jsonStr := `{"name":"咔咔","age":20,"address":["fangkang.top","blog.fangkang.top"]}`
  k := Persons{}
  err := json.Unmarshal([]byte(jsonStr), &k)
  if err != nil {
    fmt.Println("反序列化失败")
  } else {
    fmt.Println(k)
  }
}