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github.com/golang-module/carbon
gitee.com/golang-module/carbon
安装使用
Golang 版本大于等于 1.16
// 使用 github 库
go get -u github.com/golang-module/carbon/v2
import "github.com/golang-module/carbon/v2"
// 使用 gitee 库
go get -u gitee.com/golang-module/carbon/v2
import "gitee.com/golang-module/carbon/v2"
Golang 版本小于 1.16
// 使用 github 库
go get -u github.com/golang-module/carbon
import "github.com/golang-module/carbon"
// 使用 gitee 库
go get -u gitee.com/golang-module/carbon
import "gitee.com/golang-module/carbon"
定义模型
type Person struct {
Name string `json:"name"`
Age int `json:"age"`
Birthday1 Carbon `json:"birthday1"`
Birthday2 Carbon `json:"birthday2" carbon:"date" tz:"PRC"`
Birthday3 Carbon `json:"birthday3" carbon:"time" tz:"PRC"`
Birthday4 Carbon `json:"birthday4" carbon:"dateTime" tz:"PRC"`
Birthday5 Carbon `json:"birthday5" carbon:"timestamp" tz:"PRC"`
Birthday6 Carbon `json:"birthday6" carbon:"timestampMilli" tz:"PRC"`
Birthday7 Carbon `json:"birthday7" carbon:"timestampMicro" tz:"PRC"`
Birthday8 Carbon `json:"birthday8" carbon:"timestampNano" tz:"PRC"`
}
或
type Person struct {
Name string `json:"name"`
Age int `json:"age"`
Birthday1 Carbon `json:"birthday1"`
Birthday2 Carbon `json:"birthday2" carbon:"layout:2006-01-02" tz:"PRC"`
Birthday3 Carbon `json:"birthday3" carbon:"layout:15:04:05" tz:"PRC"`
Birthday4 Carbon `json:"birthday4" carbon:"layout:2006-01-02 15:04:05" tz:"PRC"`
Birthday5 Carbon `json:"birthday5" carbon:"timestamp" tz:"PRC"`
Birthday6 Carbon `json:"birthday6" carbon:"timestampMilli" tz:"PRC"`
Birthday7 Carbon `json:"birthday7" carbon:"timestampMicro" tz:"PRC"`
Birthday8 Carbon `json:"birthday8" carbon:"timestampNano" tz:"PRC"`
}
或
type Person struct {
Name string `json:"name"`
Age int `json:"age"`
Birthday1 Carbon `json:"birthday1"`
Birthday2 Carbon `json:"birthday2" carbon:"format:Y-m-d" tz:"PRC"`
Birthday3 Carbon `json:"birthday3" carbon:"format:H:i:s" tz:"PRC"`
Birthday4 Carbon `json:"birthday4" carbon:"format:Y-m-d H:i:s" tz:"PRC"`
Birthday5 Carbon `json:"birthday5" carbon:"timestamp" tz:"PRC"`
Birthday6 Carbon `json:"birthday6" carbon:"timestampMilli" tz:"PRC"`
Birthday7 Carbon `json:"birthday7" carbon:"timestampMicro" tz:"PRC"`
Birthday8 Carbon `json:"birthday8" carbon:"timestampNano" tz:"PRC"`
}
如果 carbon 标签没有设置，默认是 layout:2006-01-02 15:04:05；如果 tz 标签没有设置，默认是 Local
实例化模型
now := Parse("2020-08-05 13:14:15", PRC)
person := Person {
Name: "gouguoyin",
Age: 18,
Birthday1: now,
Birthday2: now,
Birthday3: now,
Birthday4: now,
Birthday5: now,
Birthday6: now,
Birthday7: now,
Birthday8: now,
}
JSON 编码
loadErr := carbon.LoadTag(&person)
if loadErr != nil {
// 错误处理
log.Fatal(loadErr)
}
data, marshalErr := json.Marshal(person)
if marshalErr != nil {
// 错误处理
log.Fatal(marshalErr)
}
fmt.Printf("%s", data)
// 输出
{
"name": "gouguoyin",
"age": 18,
"birthday1": "2020-08-05 13:14:15",
"birthday2": "2020-08-05",
"birthday3": "13:14:15",
"birthday4": "2020-08-05 13:14:15",
"birthday5": 1596604455,
"birthday6": 1596604455999,
"birthday7": 1596604455999999,
"birthday8": 1596604455999999999
}
JSON 解码
str := `{
"name": "gouguoyin",
"age": 18,
"birthday1": "2020-08-05 13:14:15",
"birthday2": "2020-08-05",
"birthday3": "13:14:15",
"birthday4": "2020-08-05 13:14:15",
"birthday5": 1596604455,
"birthday6": 1596604455999,
"birthday7": 1596604455999999,
"birthday8": 1596604455999999999
}`
var person Person
loadErr := carbon.LoadTag(&person)
if loadErr != nil {
// 错误处理
log.Fatal(loadErr)
}
unmarshalErr := json.Unmarshal([]byte(str), &person)
if unmarshalErr != nil {
// 错误处理
log.Fatal(unmarshalErr)
}
fmt.Sprintf("%s", person.Birthday1) // 2002-08-05 13:14:15
fmt.Sprintf("%s", person.Birthday2) // 2020-08-05
fmt.Sprintf("%s", person.Birthday3) // 13:14:15
fmt.Sprintf("%s", person.Birthday4) // 2002-08-05 13:14:15
fmt.Sprintf("%d", person.Birthday5) // 1596604455
fmt.Sprintf("%d", person.Birthday6) // 1596604455999
fmt.Sprintf("%d", person.Birthday7) // 1596604455999999
fmt.Sprintf("%d", person.Birthday8) // 1596604455999999999
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