import "github.com/astaxie/beego/validation" type User struct { Email string `valid:"Required"` } u := User{"[email protected]"} valid := validation.Validation{} ok, err := valid.Valid(&u) if err != nil { // handle error } if !ok { // handle validation failure }
import "github.com/astaxie/beego/validation" type Person struct { Age int `valid:"Range(18, 60);Message(Age should be between 18 and 60)"` } p := Person{30} valid := validation.Validation{} ok, err := valid.Valid(&p) if err != nil { // handle error } if !ok { // handle validation failure for _, err := range valid.Errors { fmt.Println(err.Key, err.Message) } }Here, we use two validators: "Range" to specify a valid range of values, and "Message" to add a custom error message if validation fails.