Question

在struts2中怎么把button设成触发事件

Answer 1

首先，struts2进行权限验证是用拦截器做的
一个简单的登录拦截器示例如下：
package com.zdf.interceptor;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
import com.zdf.entity.Admin;

@SuppressWarnings("serial")
public class LoginInterceptor extends AbstractInterceptor{

@Override
public String intercept(ActionInvocation invocation) throws Exception {
// TODO Auto-generated method stub
Admin admin = (Admin)invocation.getInvocationContext().getSession().get("ADMIN");
if(admin!=null){
return invocation.invoke();
}else{
return Action.LOGIN;
}
}

}

Answer 2

<input type="button" onclick="javascript:xxx()" /> 然后用js提交
<script>
window.location.href="xxx.action?aaa=xxxxx&bbb=xxxxx";
</script>

aaa bbb是参数

或者onclick="xxx.action?aaa=xxxxx&bbb=xxxxx";

Answer 3

onclick就可以吧，注意button的type