Huangzj
112 lines
2.6 KiB
Go
112 lines
2.6 KiB
Go
/*
|
||
* @Author : huangzj
|
||
* @Time : 2020/3/27 15:38
|
||
* @Description：
|
||
*/
|
||
|
||
package jsonPackage
|
||
|
||
import (
|
||
"encoding/json"
|
||
"fmt"
|
||
"testing"
|
||
"time"
|
||
)
|
||
|
||
type Time time.Time
|
||
|
||
const (
|
||
timeFormat = "2006-01-02 15:04:05"
|
||
)
|
||
|
||
//-------------------结构体----------------
|
||
|
||
type Person struct {
|
||
Id int64 `json:"id"`
|
||
Name string `json:"name"`
|
||
Birthday Time `json:"birthday"`
|
||
}
|
||
|
||
type json1 struct {
|
||
Name string `json:"name"` //测试一下别名
|
||
Value string `json:"value,-"` //测试一下,有别名也有 - 能被转换
|
||
Value1 string `json:"-"` //测试一下,只有 - 能被转换
|
||
method1 string `json:"method1"` //测试一下私有属性不能被转换
|
||
Now time.Time `json:"now"` //测试一下时间字段可否被转换
|
||
Now1 Time `json:"now1"` //自定义时间转换的格式
|
||
Age int `json:",omitempty"` //测试一下 omitempty 值为空不能被转换
|
||
AgeString string `json:",omitempty"` //测试一下字符串 omitempty 值为空 不能被转换
|
||
Length int `json:",String"` //测试一下tag里面带有string的自动转换
|
||
Person Person //测试一下多级的结构
|
||
}
|
||
|
||
//-----------------------------------------示例方法
|
||
|
||
/*
|
||
* 测试序列化功能
|
||
*/
|
||
func TestJsonMarshalTest(t *testing.T) {
|
||
j := json1{
|
||
Name: "name",
|
||
Value: "value",
|
||
Value1: "value1",
|
||
method1: "method1",
|
||
Now: time.Now(),
|
||
Now1: Time(time.Now()),
|
||
Age: 0,
|
||
Length: 24,
|
||
Person: Person{
|
||
Id: 123,
|
||
Name: "xxxx",
|
||
Birthday: Time(time.Now()),
|
||
},
|
||
}
|
||
|
||
b, err := json.Marshal(j)
|
||
if err != nil {
|
||
panic(err.Error())
|
||
}
|
||
|
||
fmt.Print(string(b))
|
||
|
||
}
|
||
|
||
/*
|
||
* 测试序列化功能
|
||
*/
|
||
func TestJsonUnmarshalTest(t *testing.T) {
|
||
src := `{"id":5,"name":"xiaoming","birthday":"2016-06-30 16:09:51"}`
|
||
p := new(Person)
|
||
err := json.Unmarshal([]byte(src), &p)
|
||
|
||
var m map[string]interface{}
|
||
_ = json.Unmarshal([]byte(src), &m)
|
||
if err != nil {
|
||
panic(err.Error())
|
||
}
|
||
}
|
||
|
||
//-------------------------接口实现
|
||
|
||
//实现该方法，实现对应的时间处理，json应该是没有支持时间处理的
|
||
func (t *Time) UnmarshalJSON(data []byte) (err error) {
|
||
now, err := time.ParseInLocation(`"`+timeFormat+`"`, string(data), time.Local)
|
||
*t = Time(now)
|
||
return
|
||
}
|
||
|
||
/*
|
||
* 实现该方法，确定时间格式的输出
|
||
*/
|
||
func (t Time) MarshalJSON() ([]byte, error) {
|
||
b := make([]byte, 0, len(timeFormat)+2)
|
||
b = append(b, '"')
|
||
b = time.Time(t).AppendFormat(b, timeFormat)
|
||
b = append(b, '"')
|
||
return b, nil
|
||
}
|
||
|
||
func (t Time) String() string {
|
||
return time.Time(t).Format(timeFormat)
|
||
}
|