package helper import ( "testing" ) type User struct { ID int NAME string } type UserString struct { ID string NAME string } func Test_structColumn(t *testing.T) { user1 := UserString{ ID: "2", NAME: "zwk", } user2 := UserString{ ID: "3", NAME: "zzz", } var list3 []UserString list3 = append(list3, user1) list3 = append(list3, user2) t.Log(list3) t.Log("---------------------") var userMap map[string]string StructColumn(&userMap, list3, "NAME", "ID") t.Logf("%#v\n", userMap) t.Log("---------------------") var userMap1 map[int]UserString StructColumn(&userMap1, list3, "", "ID") t.Logf("%#v\n", userMap1) t.Log("---------------------") var userSlice []string StructColumn(&userSlice, list3, "ID", "") t.Logf("%#v\n", userSlice) t.Log("---------------------") }