The immediate attribute allows you to control page flow through standard navigation rules while bypassing validation altogether.
immediate属性允许您通过标准浏览规则控制页流程，并绕过验证。
Spring's Web flow: Spring Web flow is a generic flow engine focused on the definition and execution of page flow within a Web application.
Spring的WebFlow： Spring Web Flow是一个通用程序流引擎，它主要关注Web应用程序中页面流的定义和执行。
Before diving into flow implementation details, lets first take a look at the graphical state chart diagram for the page flow (shown below).
在深入流转实现细节前，我们先看一下页面流转的状态图(如下图)。
Use cases affected by this trade-off are RESTful URLs, bookmarking support, security through URL patterns, and page-flow validation, to mention a few.
受此影响的用例是RESTfulURL、书签支持、通过URL模式获得的安全性以及页面流验证等。
Use cases affected by this trade-off are RESTful URLs, bookmarking support, security through URL patterns, and page-flow validation, to mention a few.
受此影响的用例是RESTfulURL、书签支持、通过URL模式获得的安全性以及页面流验证等。
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