struts2 json插件 js中的集合如何被Action正确接收。

使用struts2 json插件 ：

Action 中 ：

[code="java"]
public void setOaAssetDeviceVos(List oaAssetDeviceVos) {
System.out.println("setOaAssetDeviceVos 执行 。。。。");
System.out.println("oaAssetDeviceVos == " + oaAssetDeviceVos);
System.out.println("oaAssetDeviceVos.getClass().getName() == " + oaAssetDeviceVos.getClass().getName());

     int len = oaAssetDeviceVos.size();
    System.out.println("len = " + len);

    for(int i=0;i<len;i++){
        System.out.println(i + " , type == " + oaAssetDeviceVos.get(i).getClass().getName());
        System.out.println(i + " , oaAssetDeviceVos.get(i) = " + oaAssetDeviceVos.get(i));
    }

    this.oaAssetDeviceVos = oaAssetDeviceVos;
}


public List<OaAssetDeviceVo> getOaAssetDeviceVos() {
    return oaAssetDeviceVos;
}

[/code]

这时候我在 客户端 接收到 ：

[code="java"]
[{"card":"未填","title":"未填","type":"未填","xinghao":"未填","pinpai":"未填","timeBuy":"2009-01-04T13:12:07"},{"card":"未填","title":"未填","type":"未填","xinghao":"未填","pinpai":"未填","timeBuy":"2009-01-04T13:12:07"},{"card":"未填","title":"未填","type":"未填","xinghao":"未填","pinpai":"未填","timeBuy":"2009-01-04T13:12:07"}][/code]

现在我想 把 客户端的这种格式传回 Action 中 ：

[code="java"]
store.load({params:{oaAssetDevices: [{"card":"未填","title":"未填","type":"未填","xinghao":"未填","pinpai":"未填","timeBuy":"2009-01-04T13:12:07"}],ids:this.ids}});
[/code]

结果 ：

Action 中的 setOaAssetDeviceVos 方法被执行 ，但 后台报 ：
[code="java"]
setOaAssetDeviceVos 执行 。。。。
oaAssetDeviceVos == [ognl.NoConversionPossible]
oaAssetDeviceVos.getClass().getName() == com.opensymphony.xwork2.util.XWorkList
len = 1
0 , type == java.lang.String
0 , oaAssetDeviceVos.get(i) = ognl.NoConversionPossible
___ Could not find action or result
No result defined for action module.oa.action.OaAssetActionJ and result input -
action - file:/D:/project/tianbao/oa/web/WEB-INF/classes/base/struts2.xml:31:82
at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(Defaul
ActionInvocation.java:350)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultAction
nvocation.java:253)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(
alidationInterceptor.java:150)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterc
ptor.doIntercept(AnnotationValidationInterceptor.java:48)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercep
(MethodFilterInterceptor.java:86)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Defaul
ActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Defaul
ActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTi
erStack.java:455)
[/code]

问题集中在 js 中的 json 数据 怎么 转成 自定义的 后台 java对象。

哪位了解啊 ？

action配的不对。

定义隐藏域,再写个解析json串的函数,将json的数据都赋给隐藏域.

这里的"定义隐藏域",根据情况也可以省略,那样的话,你就得在解析json的时候动态添加隐藏域了