package common import ( "fmt" "go_dreamfactory/pb" "reflect" "strconv" "testing" "time" ) func TestSubStr(t *testing.T) { str := "type.googleapis.com/UserResChangePush" r := SubStr(str, 20, len(str)) fmt.Println(r) } func TestConver(t *testing.T) { s := ConvertFileSize(25325466) fmt.Println(s) } func TestIsUpgrade(t *testing.T) { IsUpgrade("1.2.2", "1.0.21") } func TestJsonToPb(t *testing.T) { jsonStr := `{"account":"zhaocy","sid":"dfz"}` login := &pb.UserLoginReq{} Json2Pb(jsonStr, login) fmt.Println(login.Account, login.Sid) fmt.Println(Pb2Json(login)) t2 := reflect.TypeOf(login) fmt.Println("Name:", t2.Elem().Name()) } func TestSpli(t *testing.T) { now := time.Now() fmt.Println(now.UnixNano()) fmt.Println(now.UnixNano() / 1e6) //将纳秒转换为毫秒 } func TestDiv(t *testing.T) { numF := float64(32766600) // 保留两位小数, 通用 value, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", numF/1e6), 64) fmt.Println(reflect.TypeOf(value), value) fmt.Println(FormatFloatCommon(numF / 1e6)) num, _ := FormatFloat(numF, 2) fmt.Println(reflect.TypeOf(num), num) // 舍弃的尾数不为0,强制进位 num, _ = FormatFloatCeil(0.2205, 2) fmt.Println(reflect.TypeOf(num), num) // 强制舍弃尾数 num, _ = FormatFloatFloor(0.2295, 2) fmt.Println(reflect.TypeOf(num), num) } func TestSub(t *testing.T){ fmt.Println(LastChars("23af2", 6)) }