使用struts2自定义拦截器，要引入defaultStack

使用自定义的拦截器配置在struts配置文件的action中，还要引入defaultStack，否则使用了modelDriven的formBean将不能获取到form表单中字段的值。

action：

public class LoginAction implements Action, ModelDriven {
    private UserForm userForm=new UserForm();
    private IUserBO iUserBO;

    public String login() {
        User user=iUserBO.getUser(userForm.getUsername(), userForm.getPassword());
        if (user!=null) {
            return SUCCESS;
        } else {
            return ERROR;
        }

    }


    public String execute() throws Exception {
        // TODO Auto-generated method stub
        return SUCCESS;
    }

    public UserForm getModel() {
        return userForm;
    }

    public IUserBO getiUserBO() {
        return iUserBO;
    }

    public void setiUserBO(IUserBO iUserBO) {
        this.iUserBO = iUserBO;
    }

}

拦截器：

 

public class FilterTest extends MethodFilterInterceptor {
    Logger logger = Logger.getLogger(this.getClass());

    @Override
    protected String doIntercept(ActionInvocation invocation) throws Exception {
        // TODO Auto-generated method stub
        logger.info("==========action执行前插入代码===============");
        String s=invocation.invoke();
        logger.info("==========invocation.invoke():"+s);
        logger.info("==========action执行后插入代码===============");
        return s;
        }

}

struts配置文件：

    <package name="struts" extends="struts-default" namespace="/test">

        "testInterceptor" class="filterBase.FilterTest">


        "loginAction" class="LoginAction" method="login">
            "success">/success.jsp
            "error">/error.jsp
            "defaultStack"/>

            "testInterceptor">
                "includeMethods">login


    package>