BannerService.java

package com.w1hd.zzhnc.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.google.common.base.Strings;
import com.w1hd.zzhnc.dao.BannerDao;
import com.w1hd.zzhnc.model.Banner;

@Service
public class BannerService {

	@Autowired
	BannerDao bannerDao;

	public boolean addBanner(String url) {
		if (Strings.isNullOrEmpty(url)) {
			return false;
		}
		return bannerDao.insert(new Banner(url)) > 0;
	}

	public boolean deleteBanner(Integer id) {
		return bannerDao.deleteByPrimaryKey(id) > 0;
	}

	public List<Banner> getAll() {
		return bannerDao.selectAll();
	}
}