对 是null

加了默认的适配器@AdaptBy(type=PairAdaptor.class) 还是null;

package com.celesea.nutzbook.module;

import com.celesea.nutzbook.bean.User;
import org.apache.ibatis.annotations.Param;
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.adaptor.PairAdaptor;
import org.nutz.mvc.annotation.*;

import javax.servlet.http.HttpSession;
import java.util.Date;

/**
 * Created by hanan on 2017-3-10.
 */
@IocBean
@At("/user")
@Ok("json")
@Fail("http:500")
public class UserModule {
    @Inject
    protected Dao dao;

    @At
    public int count(){
        return dao.count(User.class);
    }

    @At
    public Object add(@Param("name") String name,@Param("password") String password){
        User user = new User();
        user.setName(name);
        user.setPassword(password);
       // System.out.println(user.getName());
        NutMap re = new NutMap();
        String msg =checkUser(user,true);
        if(msg!= null){
           return  re.setv("ok",false).setv("msg",msg);
        }
        user.setCreateTime(new Date());
        user.setUpdateTime(new Date());
        dao.insert(user);
        return re.setv("ok",true).setv("data",user);
    }

    @At
    @AdaptBy(type=PairAdaptor.class)
    public Object update(@Param("..")User user) {
        System.out.println(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){
        NutMap re = new NutMap();
        if(id == me){
            return re.setv("ok",false).setv("msg","不能删除当前用户");
        }
        dao.delete(User.class,id);
        return re.setv("ok",true);
    }

    @At
    public Object query(@Param("name") String name, 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));
        qr.setPager(pager);
       return qr;

    }

    @At
    public Object login(@Param("username") String username, @Param("password") String password, HttpSession session){
        User user = dao.fetch(User.class, Cnd.where("name","=",username).and("passwd","=",password));
        if(user == null){
            return false;
        }else{
            session.setAttribute("me",user.getId());
            return true;
        }

    }

    @At
    @Ok(">>:/")
    public void logout(HttpSession session){
        session.invalidate();
    }

    public 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(passwd.length()<6 || 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 "用户名已存在";
            }
        }else{
            if(user.getId()<1){
                return "用户ID错误";
            }
        }
        if(user.getName()!= null){
            user.setName(user.getName().trim());
        }
        return null;
    }
}

2017-3-10 17:21:13.395 DEBUG [http-bio-8080-exec-9] Found mapping for [GET] path=/user/update : UserModule.update(UserModule.java:55)
2017-3-10 17:21:13.395 DEBUG [http-bio-8080-exec-9] Get 'userModule'<class com.celesea.nutzbook.module.UserModule>
null

add 这样写是正常
public Object add(@Param("name") String name,@Param("password") String password){
用@Param("..")也是null

哦哦 确实是 太感谢了