Question

我想请问下，在同一个action里面的2个方法直接怎么传值？

这2个action直接是经过struts.xml配置文件的，我是用type="chain"进行跳转的 。可是会报错
严重: Unable to set parameter [paperid] in result of type [com.opensymphony.xwork2.ActionChainResult]
Caught OgnlException while setting property 'paperid' on type 'com.opensymphony.xwork2.ActionChainResult'. - Class: ognl.ObjectPropertyAccessor
File: ObjectPropertyAccessor.java
Method: setProperty
Line: 132 - ognl/ObjectPropertyAccessor.java:132:-1
at com.opensymphony.xwork2.ognl.OgnlUtil.internalSetProperty(OgnlUtil.java:392)
at com.opensymphony.xwork2.ognl.OgnlUtil.setProperty(OgnlUtil.java:143)
at com.opensymphony.xwork2.ognl.OgnlReflectionProvider.setProperty(OgnlReflectionProvider.java:91)
at com.opensymphony.xwork2.ObjectFactory.buildResult(ObjectFactory.java:221)
at com.opensymphony.xwork2.DefaultActionInvocation.createResult(DefaultActionInvocation.java:208)
at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:355)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:265)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:163)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:249)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
错了， 是这2个方法是经过struts.xml配置文件的
这是struts.xml配置文件：
<result name="toSelect" type="chain">
<param name="actionName">toSelectMethod.action</param>
<param name="paperid">${paper.paperid}</param>
<param name="test">${test}</param>
</result>
希望大家帮帮忙，谢谢。。。

Answer 1

建议你先读一下struts2的文档，看下result type部分对chain类型的result参数parameter是如何说明的，你的用法是完全错误的。

怎么感觉你在这里像是用了EL表达式？！

追问

就是可以用el表达式啊 不然怎么传值呢？

追答

只是struts.xml配置文件，不是jsp，我晕了，你还是好好找点资料看下吧

Answer 2

<param name="paperid">${paper.paperid}</param>
<param name="test">${test}</param>
用chain方式的话，把这两个去掉试试，然后在另一个页面直接取值