feat(Go-StudyExample):包方法重构

example/originGoLanguage/Error_test.go

@@ -0,0 +1,38 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2020/7/13 14:24
+ *  @Description：go运行时错误测试
+ */
+
+package originGoLanguage
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+)
+
+func TestError(t *testing.T) {
+	fmt.Println("测试创建一个新的错误")
+	testNewError()
+
+	fmt.Println("")
+}
+
+func testNewError() {
+	var fl1 float32 = 0
+
+	fl2, err := tError(fl1)
+	fmt.Println(fl2, err)
+
+	var flx float32 = 2.2
+	fl3, err1 := tError(flx)
+	fmt.Println(fl3, err1)
+}
+
+func tError(f float32) (float32, error) {
+	if f == 0 {
+		return 0, errors.New("错误")
+	}
+	return f, nil
+}