Huangzj
42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
/*
|
|
* @Author : huangzj
|
|
* @Time : 2020/12/28 9:18
|
|
* @Description：测试cast，这个包是把interface，根据类型进行转换的处理
|
|
*/
|
|
|
|
package cast
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/spf13/cast"
|
|
"testing"
|
|
)
|
|
|
|
func TestCastBasic(t *testing.T) {
|
|
// ToString
|
|
fmt.Println(cast.ToString("leedarjun")) // leedarjun
|
|
fmt.Println(cast.ToString(8)) // 8
|
|
fmt.Println(cast.ToString(8.31)) // 8.31
|
|
fmt.Println(cast.ToString([]byte("one time"))) // one time
|
|
fmt.Println(cast.ToString(nil)) // ""
|
|
|
|
var foo interface{} = "one more time"
|
|
fmt.Println(cast.ToString(foo)) // one more time
|
|
|
|
// ToInt
|
|
fmt.Println(cast.ToInt(8)) // 8
|
|
fmt.Println(cast.ToInt(8.31)) // 8
|
|
fmt.Println(cast.ToInt("8")) // 8
|
|
fmt.Println(cast.ToInt(true)) // 1
|
|
fmt.Println(cast.ToInt(false)) // 0
|
|
|
|
var eight interface{} = 8
|
|
fmt.Println(cast.ToInt(eight)) // 8
|
|
fmt.Println(cast.ToInt(nil)) // 0
|
|
//To..E方法会返回转换错误的报错信息
|
|
_, e := cast.ToIntE("asda")
|
|
if e != nil {
|
|
fmt.Println(e)
|
|
}
|
|
}
|