v1.2.8

脚手架更新，修复ripple gen service脚手架致命bug，删除ctx参数
ripple, fix gen service with context bug, remove ctx

var (
	productService     *ProductService
	productServiceOnce sync.Once
)

// GetProductService 单例
func GetProductService() *ProductService {
	productServiceOnce.Do(func() {
		productService = &ProductService{}
	})
	return productService
}

type ProductService struct {
}