Webwork set push

 

1. webworkTo use tags:Web. xmlConfiguringCodeAs follows:

<Taglib>

<Taglib-Uri> webwork </taglib-Uri>

<Taglib-location>/WEB-INF/lib/webwork. Jar </taglib-location>

</Taglib>

 InJSPTo use:

<% @ Taglib prefix = "ww" uri = "webwork" %>

2. webworkThere are four types of labels: DATA tag, control flow tag,UIAnd miscellaneous tags.

3. htmlIn<Or>Or&Special meanings cannot be directly displayed on the interface, but if you want to display these symbols on the interface, you need to escape the strings.

4. SetThe label usage is as follows:

<WW: property value = "# session. ['user']. username"/>

<WW: property value = "# session. ['user']. Age"/>

<WW: property value = "# session. ['user']. Address"/>

The above code is usedSetLabel to write:

<WW: Set Name = "user" value = "# session [''user]"/>

<WW: property value = "# user. username">

<WW: property value = "# user. Age">

<WW: property value = "# user. Address">

5. PushTags can push your reference to a single object into the value stack. This is quite useful in a large number of operations around a single object.

<WW: Set Name = "user" value = "# session [''user]"/>

<WW: Push value = "# user"/>

<WW: property value = "username">

<WW: property value = "Age">

<WW: property value = "Address">