部分日志如下：
2016-08-22 16:58:23,538 org.nutz.mvc.impl.UrlMappingImpl.get(UrlMappingImpl.java:92) DEBUG - Found mapping for [GET] path=/user/add : UserModule.add(...)
2016-08-22 16:58:23,540 org.nutz.ioc.impl.NutIoc.get(NutIoc.java:145) DEBUG - Get 'userModule'<class net.wendal.nutzbook.module.UserModule>
2016-08-22 16:58:23,540 org.nutz.ioc.impl.NutIoc.get(NutIoc.java:165) DEBUG - >> Load definition
2016-08-22 16:58:23,540 org.nutz.ioc.loader.combo.ComboIocLoader.load(ComboIocLoader.java:144) DEBUG - Found IocObject(userModule) in IocLoader(AnnotationIocLoader@927774424)
2016-08-22 16:58:23,541 org.nutz.ioc.impl.NutIoc.get(NutIoc.java:195) DEBUG - >> Make...'userModule'<class net.wendal.nutzbook.module.UserModule>
2016-08-22 16:58:23,543 org.nutz.ioc.aop.impl.DefaultMirrorFactory.getMirror(DefaultMirrorFactory.java:84) DEBUG - class net.wendal.nutzbook.module.UserModule without AOP
2016-08-22 16:58:23,544 org.nutz.ioc.impl.ScopeContext.save(ScopeContext.java:59) DEBUG - Save object 'userModule' to [app]
2016-08-22 16:58:23,544 org.nutz.ioc.impl.NutIoc.get(NutIoc.java:145) DEBUG - Get 'dao'<>
2016-08-22 17:00:32,170 org.nutz.mvc.impl.UrlMappingImpl.get(UrlMappingImpl.java:92) DEBUG - Found mapping for [GET] path=/user/delete : UserModule.delete(...)
2016-08-22 17:00:32,170 org.nutz.ioc.impl.NutIoc.get(NutIoc.java:145) DEBUG - Get 'userModule'<class net.wendal.nutzbook.module.UserModule>

UserModule的代码如下：
package net.wendal.nutzbook.module;

import java.util.Date;

import javax.servlet.http.HttpSession;

import net.wendal.nutzbook.bean.User;

import org.nutz.dao.Cnd;
import org.nutz.dao.Dao;
import org.nutz.dao.QueryResult;
import org.nutz.dao.pager.Pager;
import org.nutz.ioc.loader.annotation.Inject;
import org.nutz.ioc.loader.annotation.IocBean;
import org.nutz.lang.Strings;
import org.nutz.lang.util.NutMap;
import org.nutz.mvc.annotation.At;
import org.nutz.mvc.annotation.Attr;
import org.nutz.mvc.annotation.By;
import org.nutz.mvc.annotation.Fail;
import org.nutz.mvc.annotation.Filters;
import org.nutz.mvc.annotation.Ok;
import org.nutz.mvc.annotation.Param;
import org.nutz.mvc.filter.CheckSession;

@IocBean // 声明为Ioc容器中的一个Bean
@At("/user") // 整个模块的路径前缀
@Ok("json:{locked:'password|salt',ignoreNull:true}") // 忽略password和salt属性,忽略空属性的json输出
@Fail("http:500") // 抛出异常的话,就走500页面
@Filters(@By(type=CheckSession.class, args={"me", "/"})) // 检查当前Session是否带me这个属性
public class UserModule {

@Inject // 注入同名的一个ioc对象
protected Dao dao;

@At
public int count() { // 统计用户数的方法,算是个测试点
    return dao.count(User.class);
}

@At
@Filters // 覆盖UserModule类的@Filter设置,因为登陆可不能要求是个已经登陆的Session
public Object login(@Param("username")String name, @Param("password")String password, HttpSession session) {
    User user = dao.fetch(User.class, Cnd.where("name", "=", name).and("password", "=", password));
    if (user == null) {
        return false;
    } else {
        session.setAttribute("me", user.getId());
        return true;
    }
}

@At
@Ok(">>:/") // 跟其他方法不同,这个方法完成后就跳转首页了
public void logout(HttpSession session) {
    session.invalidate();
}

@At
public Object add(@Param("..")User user) { // 两个点号是按对象属性一一设置
    NutMap re = new NutMap();
    String msg = checkUser(user, true);
    System.out.println("msg****************="+msg);
    if (msg != null){
        return re.setv("ok", false).setv("msg", msg);
    }
    user = dao.insert(user);
    return re.setv("ok", true).setv("data", user);
}

@At
public Object update(@Param("..")User user) {
    NutMap re = new NutMap();
    String msg = checkUser(user, false);
    if (msg != null){
        return re.setv("ok", false).setv("msg", msg);
    }
    user.setName(null);// 不允许更新用户名
    user.setCreateTime(null);//也不允许更新创建时间
    user.setUpdateTime(new Date());// 设置正确的更新时间
    dao.updateIgnoreNull(user);// 真正更新的其实只有password和salt
    return re.setv("ok", true);
}

@At
public Object delete(@Param("id")int id, @Attr("me")int me) {
    if (me == id) {
        return new NutMap().setv("ok", false).setv("msg", "不能删除当前用户!!");
    }
    dao.delete(User.class, id); // 再严谨一些的话,需要判断是否为>0
    return new NutMap().setv("ok", true);
}

@At
public Object query(@Param("name")String name, @Param("..")Pager pager) {
    Cnd cnd = Strings.isBlank(name)? null : Cnd.where("name", "like", "%"+name+"%");
    QueryResult qr = new QueryResult();
    qr.setList(dao.query(User.class, cnd, pager));
    pager.setRecordCount(dao.count(User.class, cnd));
    qr.setPager(pager);
    return qr; //默认分页是第1页,每页20条
}

@At("/")
@Ok("jsp:jsp.user.list") // 真实路径是 /WEB-INF/jsp/user/list.jsp
public void index() {
}

protected String checkUser(User user, boolean create) {
    if (user == null) {
        return "空对象";
    }
    if (create) {
        if (Strings.isBlank(user.getName()) || Strings.isBlank(user.getPassword()))
            return "用户名/密码不能为空";
    } else {
        if (Strings.isBlank(user.getPassword()))
            return "密码不能为空";
    }
    String passwd = user.getPassword().trim();
    if (6 > passwd.length() || passwd.length() > 12) {
        return "密码长度错误";
    }
    user.setPassword(passwd);
    if (create) {
        int count = dao.count(User.class, Cnd.where("name", "=", user.getName()));
        if (count != 0) {
            return "用户名已经存在";
        }
    } else {
        if (user.getId() < 1) {
            return "用户Id非法";
        }
    }
    if (user.getName() != null)
        user.setName(user.getName().trim());
    return null;
}

}