解决action中为模型赋值问题

不能直接为model赋值,没有改变栈顶的引用.

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1.使用属性赋值(apache).

2.把新model压入栈顶.

ActionContext.getContext().getValueStack().push(s);

3.通过prepare拦截器 + paramsPrepareParamsStack组合,解决action的模型赋值问题

1.class SurveyAction ...{

public String designSurvey(){

...

}

public void prepareDesignSurvey(){

this.model = xxx ;

}

}

2.struts.xml配置文件中使用paramsPrepareParamsStack.

<interceptor-stack name="surveyparkStack">

<interceptor-ref name="loginInterceptor" />

<interceptor-ref name="paramsPrepareParamsStack" />

</interceptor-stack>

4.打开modelDriven的刷新模型属性.

struts.xml

<!-- 自定义拦截器栈 -->

<interceptor-stack name="surveyparkStack">

<interceptor-ref name="loginInterceptor" />

<interceptor-ref name="defaultStack">

<param name="modelDriven.refreshModelBeforeResult">true</param>

</interceptor-ref>

</interceptor-stack>