Struts2 action重定向如何传递参数

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Xml代码
<result name="success" type="chain">actionName</result> 
<result name="success" type="chain">actionName</result>
或者
Xml代码
<result name="success" type="redirect">actionName.action</result> 
<result name="success" type="redirect">actionName.action</result>

如果这个action后面要带参数,比如xxxAction?id=xxxx
也可以搞定,用下面的方法:

Xml代码
<action name="updateCampaign" class="campaignAction" method="updateCampaign"> 
    <result name="success" type="redirectAction"> 
         viewCampaignDetail?campaignId=${campaignId}  
    </result> 
</action> 
<action name="updateCampaign" class="campaignAction" method="updateCampaign"> <result name="success" type="redirectAction"> viewCampaignDetail?campaignId=${campaignId} </result></action>
或者
Xml代码
<action name="updateCampaign" class="campaignAction" method="updateCampaign"> 
    <result name="success" type="redirectAction"> 
        <param name="actionName">viewCampaignDetail</param> 
        <param name="campaignId">${campaignId}</param> 
    </result> 
</action>