Files
go-easy-utils/jsonUtil/to_bool.go
jeffery 9a8c60b30a Feature/generic type (#19)
Supports generics and any
2023-04-07 19:21:05 +08:00

108 lines
1.9 KiB
Go

package jsonUtil
import (
"fmt"
"reflect"
)
func toBool(i any) bool {
if i == nil {
return false
}
// 处理指针类型
if reflect.TypeOf(i).Kind() == reflect.Ptr {
if reflect.ValueOf(i).IsNil() {
return false
}
i = reflect.ValueOf(i).Elem().Interface()
}
switch v := i.(type) {
case bool:
return v
case int:
return v != 0
case int8:
return v != 0
case int16:
return v != 0
case int32:
return v != 0
case int64:
return v != 0
case uint:
return v != 0
case uint8:
return v != 0
case uint16:
return v != 0
case uint32:
return v != 0
case uint64:
return v != 0
case uintptr:
return v != 0
case float32:
return v != 0
case float64:
return v != 0
case complex64:
return v != 0
case complex128:
return v != 0
case string:
if v == "true" {
return true
} else if v == "false" {
return false
}
return v != ""
case fmt.Stringer:
return v.String() != ""
case interface{ IsNil() bool }:
return !v.IsNil()
default:
return false
}
}
func toBoolReflect(i any) bool {
if i == nil {
return false
}
v := reflect.ValueOf(i)
if v.Kind() == reflect.Ptr {
if v.IsNil() {
return false
}
v = v.Elem()
}
switch v.Kind() {
case reflect.Bool:
return v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() != 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() != 0
case reflect.Float32, reflect.Float64:
return v.Float() != 0
case reflect.Complex64, reflect.Complex128:
return v.Complex() != 0
case reflect.String:
val := v.String()
if val == "true" {
return true
} else if val == "false" {
return false
}
return val != ""
//case reflect.Ptr, reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Slice:
// return !v.IsNil()
default:
return false
}
}