一. In Spring Web Flow, a flow is defined by three primary elements: states, transitions,and flow data.如果把webflow当做是一次旅行,则state是旅途中每个景点,而transitions是连接景点的路径,data是在每个景点中购买的纪念品. 1.state (1)支持的状态 (2)view-state View states are used to display information…
States, transitions, and entire flows can be secured in Spring Web Flow by using the <secured> element as a child of those elements. For example, to secure access to a view state, you might use <secured> like this: <view-state id="rest…
一. 1.Wiring a flow executor <flow:flow-executor id="flowExecutor" /> Although the flow executor is responsible for creating and executing flows, it’s not responsible for loading flow definitions. That responsibility falls to a flow registr…
一.概述 1.Spring offers several options for configuring data-source beans in your Spring application, including these: Data sources that are defined by a JDBC driver Data sources that are looked up by JNDI Data sources that pool connections 2. 二.四种方…
1.spring扩展的jdbc异常 2.Template的运行机制 Spring separates the fixed and variable parts of the data-access process into two distinct classes: templates and callbacks. Templates manage the fixed part of the process,whereas your custom data-access code is hand…