Struts2 result type(类型)总结

fengtaijun 2011-01-12

在默认时,<result>标签的type属性值是“dispatcher”(实际上就是转发,forward)。开发人员可以根据自己的需要指定不同的类型,如redirect、stream等。如下面代码所示:

<resultname="save"type="redirect">

/result.jsp

</result>

这此result-type可以在struts2-core-2.0.11.1.jar包或struts2源代码中的struts-default.xml文件中找到,在这个文件中找到<result-types>标签,所有的result-type都在里面定义了。代码如下:

<result-types>

<result-typename="chain"class="com.opensymphony.xwork2.ActionChainResult"/>

<result-typename="dispatcher"class="org.apache.struts2.dispatcher.ServletDispatcherResult"default="true"/>

<result-typename="freemarker"class="org.apache.struts2.views.freemarker.FreemarkerResult"/>

<result-typename="httpheader"class="org.apache.struts2.dispatcher.HttpHeaderResult"/>

<result-typename="redirect"class="org.apache.struts2.dispatcher.ServletRedirectResult"/>

<result-typename="redirectAction"class="org.apache.struts2.dispatcher.ServletActionRedirectResult"/>

<result-typename="stream"class="org.apache.struts2.dispatcher.StreamResult"/>

<result-typename="velocity"class="org.apache.struts2.dispatcher.VelocityResult"/>

<result-typename="xslt"class="org.apache.struts2.views.xslt.XSLTResult"/>

<result-typename="plainText"class="org.apache.struts2.dispatcher.PlainTextResult"/>

<!--DeprecatednameformscheduledforremovalinStruts2.1.0.ThecamelCaseversionsarepreferred.Seeww-1707-->

<result-typename="redirect-action"class="org.apache.struts2.dispatcher.ServletActionRedirectResult"/>

<result-typename="plaintext"class="org.apache.struts2.dispatcher.PlainTextResult"/>

</result-types>

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