struct转map
package main
import (
"fmt"
"reflect"
"time"
)
type User struct {
Id int64
Username string
Password string
Logintime time.Time
}
func Struct2Map(obj interface{}) map[string]interface{} {
t := reflect.TypeOf(obj) // 获取 obj 的类型信息
v := reflect.ValueOf(obj)
if t.Kind() == reflect.Ptr { // 如果是指针,则获取其所指向的元素
t = t.Elem()
v = v.Elem()
}
var data = make(map[string]interface{})
if t.Kind() == reflect.Struct { // 只有结构体可以获取其字段信息
for i := 0; i < t.NumField(); i++ {
data[t.Field(i).Name] = v.Field(i).Interface()
}
}
return data
}
func main() {
user := User{5, "zhangsan", "pwd", time.Now()}
data := Struct2Map(user)
fmt.Println(data)
}