diff --git a/GoodsDao.java b/GoodsDao.java
new file mode 100644
index 0000000..8d84b8d
--- /dev/null
+++ b/GoodsDao.java
@@ -0,0 +1,132 @@
+package dao;
+
+import model.Goods;
+import model.Recommend;
+import org.apache.commons.dbutils.*;
+import org.apache.commons.dbutils.handlers.*;
+import utils.DataSourceUtils;
+
+import java.sql.SQLException;
+import java.util.*;
+
+public class GoodsDao {
+    //select g.id,g.name,g.cover,g.price,t.name typename from recommend r,goods g,type t where type=2 and r.goods_id=g.id and g.type_id=t.id
+    public List<Map<String,Object>> getGoodsList(int recommendType) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql="select g.id,g.name,g.cover,g.price,t.name typename from recommend r,goods g,type t where type=? and r.goods_id=g.id and g.type_id=t.id";
+        return r.query(sql, new MapListHandler(),recommendType);
+    }
+
+    public List<Map<String,Object>> getScrollGood()throws SQLException{
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+//        String sql="select g.id,g.name,g.cover,g.price  from recommend r,goods g where type=1 and r.goods_id=g.id";
+//        return r.query(sql, new MapHandler());
+        String sql="select g.id,g.name,g.cover,g.price  from recommend r,goods g where r.goods_id=g.id";
+        return r.query(sql, new MapListHandler());
+    }
+    public List<Goods> selectGoodsByTypeID(int typeID,int pageNumber,int pageSize) throws SQLException {
+        if(typeID==0)
+        {
+            String sql="select * from goods limit ? , ?";
+            QueryRunner r=new QueryRunner(DataSourceUtils.getDataSource());
+            return  r.query(sql,new BeanListHandler<Goods>(Goods.class),(pageNumber-1)*pageSize,pageSize);
+        }
+        else
+        {
+            String sql="select * from goods where type_id=? limit ? , ?";
+            QueryRunner r=new QueryRunner(DataSourceUtils.getDataSource());
+            return  r.query(sql,new BeanListHandler<Goods>(Goods.class),typeID,(pageNumber-1)*pageSize,pageSize);
+        }
+    }
+    public int getCountOfGoodsByTypeID(int typeID) throws SQLException {
+        String sql="";
+        QueryRunner r=new QueryRunner(DataSourceUtils.getDataSource());
+        if(typeID==0)
+        {
+            sql="select count(*) from goods";
+            return r.query(sql,new ScalarHandler<Long>()).intValue();
+        }
+        else
+        {
+            sql="select count(*) from goods where type_id=?";
+            return r.query(sql,new ScalarHandler<Long>(),typeID).intValue();
+        }
+    }
+    public List<Goods> selectGoodsbyRecommend(int type,int pageNumber,int pageSize) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        if(type==0) {
+            //当不添加推荐类型限制的时候
+            String sql = " select g.id,g.name,g.cover,g.image1,g.image2,g.intro,g.price,g.stock,t.name typename from goods g,type t where g.type_id=t.id order by g.id limit ?,?";
+            return r.query(sql, new BeanListHandler<Goods>(Goods.class),(pageNumber-1)*pageSize,pageSize);
+
+        }
+
+        String sql = " select g.id,g.name,g.cover,g.image1,g.image2,g.intro,g.price,g.stock,t.name typename from goods g,recommend r,type t where g.id=r.goods_id and g.type_id=t.id and r.type=? order by g.id limit ?,?";
+        return r.query(sql, new BeanListHandler<Goods>(Goods.class),type,(pageNumber-1)*pageSize,pageSize);
+    }
+    public int getRecommendCountOfGoodsByTypeID(int type) throws SQLException {
+        if(type==0)return getCountOfGoodsByTypeID(0);
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "select count(*) from recommend where type=?";
+        return r.query(sql, new ScalarHandler<Long>(),type).intValue();
+    }
+    public Goods getGoodsById(int id) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "select g.id,g.name,g.cover,g.image1,g.image2,g.price,g.intro,g.stock,t.id typeid,t.name typename from goods g,type t where g.id = ? and g.type_id=t.id";
+        return r.query(sql, new BeanHandler<Goods>(Goods.class),id);
+    }
+    public int getSearchCount(String keyword) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "select count(*) from goods where name like ?";
+        return r.query(sql, new ScalarHandler<Long>(),"%"+keyword+"%").intValue();
+    }
+    public List<Goods> selectSearchGoods(String keyword, int pageNumber, int pageSize) throws SQLException{
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "select * from goods where name like ? limit ?,?";
+        return r.query(sql, new BeanListHandler<Goods>(Goods.class),"%"+keyword+"%",(pageNumber-1)*pageSize,pageSize);
+    }
+    public boolean isScroll(Goods g) throws SQLException {
+        return isRecommend(g, 1);
+    }
+    public boolean isHot(Goods g) throws SQLException {
+        return isRecommend(g, 2);
+    }
+    public boolean isNew(Goods g) throws SQLException {
+        return isRecommend(g, 3);
+    }
+    private boolean isRecommend(Goods g,int type) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "select * from recommend where type=? and goods_id=?";
+        Recommend recommend = r.query(sql, new BeanHandler<Recommend>(Recommend.class),type,g.getId());
+        if(recommend==null) {
+            return false;
+        }else {
+            return true;
+        }
+    }
+    public void addRecommend(int id,int type) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "insert into recommend(type,goods_id) values(?,?)";
+        r.update(sql,type,id);
+    }
+    public void removeRecommend(int id,int type) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "delete from recommend where type=? and goods_id=?";
+        r.update(sql,type,id);
+    }
+    public void insert(Goods g) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "insert into goods(name,cover,image1,image2,price,intro,stock,type_id) values(?,?,?,?,?,?,?,?)";
+        r.update(sql,g.getName(),g.getCover(),g.getImage1(),g.getImage2(),g.getPrice(),g.getIntro(),g.getStock(),g.getType().getId());
+    }
+    public void update(Goods g) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "update goods set name=?,cover=?,image1=?,image2=?,price=?,intro=?,stock=?,type_id=? where id=?";
+        r.update(sql,g.getName(),g.getCover(),g.getImage1(),g.getImage2(),g.getPrice(),g.getIntro(),g.getStock(),g.getType().getId(),g.getId());
+    }
+    public void delete(int id) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "delete from goods where id = ?";
+        r.update(sql,id);
+    }
+}