2024.12.20

package com.men.user;

import com.jfinal.aop.Before;
import com.jfinal.aop.Inject;
import com.jfinal.core.Controller;
import com.jfinal.plugin.activerecord.Record;
import com.men.common.model.User;

import java.util.List;

@Before(UserInterceptor.class)
public class UserController extends Controller
{

    @Inject
    UserService service = new UserService();

    /**
     * 主界面
     */
    public void index()
    {
        if (getSession().getAttribute("loginUser") == null)
        {
            redirect("/");
        } else
        {
            render("list.html");
        }
    }

    /**
     * 用户列表
     */
    public void list()
    {
        setAttr("list", service.paginate(getParaToInt(0, 1), 5));
        render("/user/list.html");
    }

    /**
     * 添加学生
     */
    public void add()
    {
        render("add.html");
    }

    public void save()
    {
        getModel(User.class).save();
        redirect("/user/list");
    }


    /**
     * 更新学生信息
     */
    public void edit()
    {
        setAttr("user", service.findById(getPara()));
        render("update.html");
    }

    public void update()
    {
        String id = getPara("user.id");
        getModel(User.class).update();
        redirect("/user/self");
    }

    /**
     * 删除学生信息
     */
    public void delete()
    {
        service.deleteById(getPara());
        redirect("/user/list");
    }

    /**
     * 模糊查询
     */
    public void search()
    {
        String param = getPara("param");
        if (param != null && !param.isEmpty())
        {
            List<Record> users = service.searchUsers(param);
            setAttr("users", users);
            setAttr("param", param);
        } else
        {
            List<User> allUsers = service.findAll();
            setAttr("users", allUsers);
        }
        render("/user/search.html");
    }

    /**
     * 个人信息
     */
    public void self()
    {
        String id = getSessionAttr("id");
        User user = service.findUserByNameAndPassword(id);
        setAttr("user", user);
        render("/user/self.html");
    }

}

package com.men.user;

import com.jfinal.aop.Interceptor;
import com.jfinal.aop.Invocation;

public class UserInterceptor implements Interceptor {
   
   @Override
   public void intercept(Invocation inv)
   {
      System.out.println("Before invoking " + inv.getActionKey());
      inv.invoke();
      System.out.println("After invoking " + inv.getActionKey());
   }
}

package com.men.user;

import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Page;
import com.jfinal.plugin.activerecord.Record;
import com.men.common.model.User;

import java.util.List;


/**
 * @author mendianyu
 */
public class UserService
{

    private User dao = new User().dao();
    public Page<User> paginate(int pageNumber, int pageSize)
    {
        return dao.paginate(pageNumber, pageSize, "select *", "from user order by id asc");
    }

    public User findById(String id)
    {
        return dao.findById(id);
    }
    public void deleteById(String id)
    {
        dao.deleteById(id);
    }

   //用户登录
    public User findUserByNameAndPassword(String id)
    {
        return dao.findFirst("select * from user where id = ? ", id);
    }


    public List<Record> searchUsers(String keyword)
    {
        String sql = "select * from user where id like ? or isAdmin like ? or checked like ?";
        keyword = "%" + keyword.trim() + "%";

        List<Record> Users = Db.find(sql, keyword, keyword, keyword);
        return Users;
    }

    public List<User> findAll()
    {
        return dao.findAll();
    }



}

package com.men.user;

import com.jfinal.core.Controller;
import com.jfinal.validate.Validator;

/**
 * @author mendianyu
 */
public class UserValidator extends Validator
{

    @Override
    protected void validate(Controller controller)
    {

    }

    @Override
    protected void handleError(Controller controller)
    {

    }
}