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database_example_test.go
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package carbon_test
import (
"encoding/json"
"fmt"
"github.com/dromara/carbon/v2"
)
type W3cLayout string
func (W3cLayout) SetLayout() string {
return carbon.W3cLayout
}
func ExampleLayoutType_MarshalJSON() {
//type W3cLayout string
//
//func (W3cLayout) SetLayout() string {
// return carbon.W3cLayout
//}
type User struct {
Date carbon.LayoutType[carbon.Date] `json:"date"`
Time carbon.LayoutType[carbon.Time] `json:"time"`
DateTime carbon.LayoutType[carbon.DateTime] `json:"date_time"`
Customer carbon.LayoutType[W3cLayout] `json:"customer"`
}
var user User
c := carbon.Parse("2020-08-05 13:14:15")
user.Date = carbon.NewLayoutType[carbon.Date](c)
user.Time = carbon.NewLayoutType[carbon.Time](c)
user.DateTime = carbon.NewLayoutType[carbon.DateTime](c)
user.Customer = carbon.NewLayoutType[W3cLayout](c)
data, _ := json.Marshal(&user)
fmt.Printf("%s", data)
// Output:
// {"date":"2020-08-05","time":"13:14:15","date_time":"2020-08-05 13:14:15","customer":"2020-08-05T13:14:15Z"}
}
func ExampleLayoutType_UnmarshalJSON() {
//type W3cLayout string
//
//func (W3cLayout) SetLayout() string {
// return carbon.W3cLayout
//}
type User struct {
Date carbon.LayoutType[carbon.Date] `json:"date"`
Time carbon.LayoutType[carbon.Time] `json:"time"`
DateTime carbon.LayoutType[carbon.DateTime] `json:"date_time"`
Customer carbon.LayoutType[W3cLayout] `json:"customer"`
}
var user User
value := `{"date":"2020-08-05","time":"13:14:15","date_time":"2020-08-05 13:14:15","customer":"2020-08-05T13:14:15Z"}`
_ = json.Unmarshal([]byte(value), &user)
fmt.Println(user.Date.String())
fmt.Println(user.Time.String())
fmt.Println(user.DateTime.String())
fmt.Println(user.Customer.String())
// Output:
// 2020-08-05
// 13:14:15
// 2020-08-05 13:14:15
// 2020-08-05T13:14:15Z
}
type RFC3339Format string
func (RFC3339Format) SetFormat() string {
return carbon.RFC3339Format
}
func ExampleFormatType_MarshalJSON() {
//type RFC3339Format string
//
//func (RFC3339Format) SetFormat() string {
// return carbon.RFC3339Format
//}
type User struct {
Date carbon.FormatType[carbon.Date] `json:"date"`
Time carbon.FormatType[carbon.Time] `json:"time"`
DateTime carbon.FormatType[carbon.DateTime] `json:"date_time"`
Customer carbon.FormatType[RFC3339Format] `json:"customer"`
}
var user User
c := carbon.Parse("2020-08-05 13:14:15")
user.Date = carbon.NewFormatType[carbon.Date](c)
user.Time = carbon.NewFormatType[carbon.Time](c)
user.DateTime = carbon.NewFormatType[carbon.DateTime](c)
user.Customer = carbon.NewFormatType[RFC3339Format](c)
data, _ := json.Marshal(&user)
fmt.Printf("%s", data)
// Output:
// {"date":"2020-08-05","time":"13:14:15","date_time":"2020-08-05 13:14:15","customer":"2020-08-05T13:14:15Z"}
}
func ExampleFormatType_UnmarshalJSON() {
//type RFC3339Format string
//
//func (RFC3339Format) SetFormat() string {
// return carbon.RFC3339Format
//}
type User struct {
Date carbon.FormatType[carbon.Date] `json:"date"`
Time carbon.FormatType[carbon.Time] `json:"time"`
DateTime carbon.FormatType[carbon.DateTime] `json:"date_time"`
Customer carbon.FormatType[RFC3339Format] `json:"customer"`
}
var user User
value := `{"date":"2020-08-05","time":"13:14:15","date_time":"2020-08-05 13:14:15","customer":"2020-08-05T13:14:15Z"}`
_ = json.Unmarshal([]byte(value), &user)
fmt.Println(user.Date.String())
fmt.Println(user.Time.String())
fmt.Println(user.DateTime.String())
fmt.Println(user.Customer.String())
// Output:
// 2020-08-05
// 13:14:15
// 2020-08-05 13:14:15
// 2020-08-05T13:14:15Z
}
func ExampleTimestampType_MarshalJSON() {
type User struct {
Timestamp carbon.TimestampType[carbon.Timestamp] `json:"timestamp"`
TimestampMilli carbon.TimestampType[carbon.TimestampMilli] `json:"timestamp_milli"`
TimestampMicro carbon.TimestampType[carbon.TimestampMicro] `json:"timestamp_micro"`
TimestampNano carbon.TimestampType[carbon.TimestampNano] `json:"timestamp_nano"`
}
var user User
c := carbon.Parse("2020-08-05 13:14:15")
user.Timestamp = carbon.NewTimestampType[carbon.Timestamp](c)
user.TimestampMilli = carbon.NewTimestampType[carbon.TimestampMilli](c)
user.TimestampMicro = carbon.NewTimestampType[carbon.TimestampMicro](c)
user.TimestampNano = carbon.NewTimestampType[carbon.TimestampNano](c)
data, _ := json.Marshal(&user)
fmt.Printf("%s", data)
// Output:
// {"timestamp":1596633255,"timestamp_milli":1596633255000,"timestamp_micro":1596633255000000,"timestamp_nano":1596633255000000000}
}
func ExampleTimestampType_UnmarshalJSON() {
type User struct {
Timestamp carbon.TimestampType[carbon.Timestamp] `json:"timestamp"`
TimestampMilli carbon.TimestampType[carbon.TimestampMilli] `json:"timestamp_milli"`
TimestampMicro carbon.TimestampType[carbon.TimestampMicro] `json:"timestamp_micro"`
TimestampNano carbon.TimestampType[carbon.TimestampNano] `json:"timestamp_nano"`
}
var user User
value := `{"timestamp":1596633255,"timestamp_milli":1596633255000,"timestamp_micro":1596633255000000,"timestamp_nano":1596633255000000000}`
_ = json.Unmarshal([]byte(value), &user)
fmt.Printf("string(%s)\n", user.Timestamp.String())
fmt.Printf("string(%s)\n", user.TimestampMilli.String())
fmt.Printf("string(%s)\n", user.TimestampMicro.String())
fmt.Printf("string(%s)\n", user.TimestampNano.String())
fmt.Printf("int64(%d)\n", user.Timestamp.Int64())
fmt.Printf("int64(%d)\n", user.TimestampMilli.Int64())
fmt.Printf("int64(%d)\n", user.TimestampMicro.Int64())
fmt.Printf("int64(%d)\n", user.TimestampNano.Int64())
// Output:
// string(1596633255)
// string(1596633255000)
// string(1596633255000000)
// string(1596633255000000000)
// int64(1596633255)
// int64(1596633255000)
// int64(1596633255000000)
// int64(1596633255000000000)
}