88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
package copier_test
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import (
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"encoding/json"
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"fmt"
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"testing"
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"time"
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"git.charlienet.top/go/copier"
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)
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type MyString string
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type MyTime time.Time
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func TestTime(t *testing.T) {
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// 示例1：为内置字符串类型设置时间格式
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now := time.Now()
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var str string
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copier.Copy(&str, now, copier.WithStringTimeFormat("2006-01-02 15:04:05"))
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fmt.Printf("时间转字符串: %s\n", str)
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// 示例2：为自定义字符串类型设置时间格式
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var myStr MyString
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copier.Copy(&myStr, now, copier.WithTimeFormat(MyString(""), "2006/01/02"))
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fmt.Printf("时间转自定义字符串: %s\n", myStr)
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// 示例3：设置默认时间格式
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var str1 string
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copier.Copy(&str1, now, copier.WithTimeFormat(MyString(""), "2006/01/02"))
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fmt.Printf("默认格式: %s\n", str1)
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// 示例5：字符串转时间
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timeStr := "2023-12-25 10:30:00"
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var parsedTime time.Time
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copier.Copy(&parsedTime, timeStr,
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copier.WithStringTimeFormat("2006-01-02 15:04:05"),
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copier.WithTimeFormat(MyString(""), "2006/01/02"),
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copier.WithDefaultTimeFormat(time.RFC3339))
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fmt.Printf("字符串转时间: %v\n", parsedTime)
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}
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func TestTimeStruct(t *testing.T) {
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type User struct {
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Name string
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CreatedAt *time.Time
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}
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src := map[string]any{
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"Name": "John",
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"CreatedAt": "2023-01-01T10:00:00Z",
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}
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var user User
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if err := copier.Copy(&user, src, copier.WithStringTimeFormat(time.RFC3339)); err != nil {
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fmt.Printf("错误: %v\n", err)
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} else {
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fmt.Printf("用户: %+v\n", user)
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b, _ := json.Marshal(user)
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t.Log(string(b))
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}
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// user.CreatedAt
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}
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func TestFieldTag(t *testing.T) {
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type User struct {
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Name string
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CreatedAt time.Time `copier:"format=2006-01-02 15:04:05"`
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}
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type User2 struct {
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Name string
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CreatedAt string
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}
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var src = User{
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Name: "John",
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CreatedAt: time.Now(),
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}
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var dst User2
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if err := copier.Copy(&dst, src); err != nil {
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fmt.Printf("错误: %v\n", err)
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} else {
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fmt.Printf("用户: %+v\n", dst)
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}
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}
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