suserinfodao.java

一个OA系统

package com.zhou.services;

import java.lang.reflect.InvocationTargetException;
import java.util.List;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.struts.action.ActionForm;

import com.zhou.dao.IRoleDAO;
import com.zhou.dao.IUserinfoDAO;
import com.zhou.dao.RoleDAO;
import com.zhou.dao.UserinfoDAO;
import com.zhou.po.Userinfo;
import com.zhou.struts.form.UserinfoForm;

public class SUserinfoDAO implements ISUserinfoDAO {
	UserinfoDAO iUserinfoDAO;

	public SUserinfoDAO() {
		iUserinfoDAO = new UserinfoDAO();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.zhou.services.ISUserinfoDAO#save(com.zhou.po.Userinfo)
	 */

	public Userinfo ConverterUserinfoForm(ActionForm form) {
		Userinfo entity = new Userinfo();
		try {
			BeanUtils.copyProperties(entity, form);
		} catch (IllegalAccessException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}
		return entity;
	}

	public void save(UserinfoForm userinfoForm) throws Exception {

		Userinfo u = this.ConverterUserinfoForm(userinfoForm);
		RoleDAO iRoleDAO = new RoleDAO();
		try {
			System.out.print(userinfoForm.getRid());
			u.setRole(iRoleDAO.findById(userinfoForm.getRid().longValue()));
		} catch (Exception e) {
			throw new java.lang.Exception("转换异常。。");
		}

		if (iUserinfoDAO.findByUsername(userinfoForm.getUsername()).size() == 0) {
			iUserinfoDAO.save(u);
		} else {
			throw new java.lang.Exception("重复的用户名");
		}

	}

	public List read() throws Exception {
		return iUserinfoDAO.findByAll();
	}

	public void delete(Integer id) throws Exception {
		iUserinfoDAO.delete(iUserinfoDAO.findById(id.longValue()));
 	}

	public UserinfoForm login(String username,String userpwd) throws Exception {
		List list = iUserinfoDAO.login(username, userpwd);
		if (iUserinfoDAO.login(username, userpwd).size()==0) {
			throw new java.lang.Exception("登录失败...");
		}
		else{
			UserinfoForm u = new UserinfoForm();
			u.setUserid(new Integer(((Userinfo)list.get(0)).getUserid().toString()));
			u.setRid(new Integer(((Userinfo)list.get(0)).getRole().getRid().toString()));
			return u;
		}
	}

	public Userinfo findById(java.lang.Long id){
		return iUserinfoDAO.findById(id);
	}
}