feat(Go-StudyExample):增加cast类型转换工具包测试

example/cast/CastSlice_test.go

@@ -0,0 +1,31 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2020/12/28 9:52
+ *  @Description：
+ */
+
+package cast
+
+import (
+	"fmt"
+	"github.com/spf13/cast"
+	"testing"
+)
+
+func TestSlice(t *testing.T) {
+	sliceOfInt := []int{1, 3, 7}
+	arrayOfInt := [3]int{8, 12}
+	// ToIntSlice
+	fmt.Println(cast.ToIntSlice(sliceOfInt)) // [1 3 7]
+	fmt.Println(cast.ToIntSlice(arrayOfInt)) // [8 12 0]
+
+	sliceOfInterface := []interface{}{1, 2.0, "darjun"}
+	sliceOfString := []string{"abc", "dj", "pipi"}
+	stringFields := " abc  def hij   "
+	any := interface{}(37)
+	// ToStringSliceE
+	fmt.Println(cast.ToStringSlice(sliceOfInterface)) // [1 2 darjun]
+	fmt.Println(cast.ToStringSlice(sliceOfString))    // [abc dj pipi]
+	fmt.Println(cast.ToStringSlice(stringFields))     // [abc def hij]
+	fmt.Println(cast.ToStringSlice(any))              // [37]
+}