我正在尝试调用此 javascript 方法:
Liferay.Service.register("Liferay.Service.myservice", "de.package.service", "my-portlet");
但我得到的只是这个错误:
Liferay.Service.register is not a function.
(In 'Liferay.Service.register("Liferay.Service.myservice", "de.package.service", "my-portlet")', 'Liferay.Service.register' is undefined)
老实说......我不知道为什么会这样。有人可以帮我吗?