62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package main
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import (
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"encoding/json"
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"strconv"
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"fmt"
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)
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type TheLong struct {
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Value int64
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}
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type Test struct {
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Name string `json:"name"`
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Name2 string `json:"name2"`
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Name3 string `json:"name3,omitempty"`
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Age int32 `json:"age"`
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NotSer string `json:"-"`
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Bool bool `json:"bool"`
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BoolInStr bool `json:"bool_in_str,string"`
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Long int64 `json:"long"`
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Long2 TheLong `json:"long2"`
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}
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// https://www.cnblogs.com/yorkyang/p/8990570.html
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func (l *TheLong) MarshalJSON() (data []byte, err error) {
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fmt.Println("------")//??
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if l != nil {
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data = []byte(strconv.FormatInt(l.Value, 10))
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}
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return
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}
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func (l *TheLong) UnmarshalJSON(data []byte) error {
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v, err := strconv.ParseInt(string(data), 10, 64)
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if err != nil {
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return err
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}
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l.Value = v
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return nil
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}
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func main() {
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t := Test {
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Name: "hatter",
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Name2: "",
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Name3: "",
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Age: 18,
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NotSer: "not ser!",
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Bool: true,
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BoolInStr: true,
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Long: 342438204823084023,
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Long2: TheLong { Value: 1111111111111111111 },
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}
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s, err := json.Marshal(t)
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if err != nil {
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fmt.Println("ERROR: ", err)
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return
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}
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fmt.Println("JSON: ", string(s))
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}
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