html-post

问题 Before going into details, I know there has been lots of conversations and related questions on Stackoverflow. All of them kind of help me in different ways so I thought I put my findings all together as a single organized FAQ to summarize my findings. Related Concepts Surely you know about these but I just write them as a quick review. Feel free to edit in case I am missing something. HTTP POST Request: A post request is used when you are willing to send an object to a web service or a your

问题 I have a JSF page which posts data to an external page. The data is loaded from a JSF managed bean which generates a unique ID in the post data. I have an issue where a user clicks on a checkout button then navigates back to the same page and presses the checkout button again. The post data has not updated. Moreover, the bean is not invoked at all. Is there anyway to force JSF to reload the page and the form data? <form action=\"#{checkoutBean.externalUrl}\" method=\"post\" id=\"payForm\"