Add OrderDao

OrderDao

@@ -0,0 +1,41 @@
+package dao;
+
+import model.*;
+import org.apache.commons.dbutils.*;
+import utils.*;
+import java.math.*;
+import java.sql.*;
+import java.util.*;
+import org.apache.commons.dbutils.handlers.*;
+
+public class OrderDao {
+    public void insertOrder(Connection con, Order order) throws SQLException {
+        QueryRunner r = new QueryRunner();
+        String sql = "insert into `order`(total,amount,status,paytype,name,phone,address,datetime,user_id) values(?,?,?,?,?,?,?,?,?)";
+        r.update(con,sql,
+                order.getTotal(),order.getAmount(),order.getStatus(),
+                order.getPaytype(),order.getName(),order.getPhone(),
+                order.getAddress(),order.getDatetime(),order.getUser().getId() );
+    }
+    public int getLastInsertId(Connection con) throws SQLException {
+        QueryRunner r = new QueryRunner();
+        String sql = "select last_insert_id()";
+        BigInteger bi = r.query(con, sql,new ScalarHandler<BigInteger>());
+        return Integer.parseInt(bi.toString());
+    }
+    public void insertOrderItem(Connection con, OrderItem item) throws SQLException {
+        QueryRunner r = new QueryRunner();
+        String sql ="insert into orderitem(price,amount,goods_id,order_id) values(?,?,?,?)";
+        r.update(con,sql,item.getPrice(),item.getAmount(),item.getGoods().getId(),item.getOrder().getId());
+    }
+    public List<Order> selectAll(int userid) throws SQLException {
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "select * from `order` where user_id=? order by datetime desc";
+        return r.query(sql, new BeanListHandler<Order>(Order.class),userid);
+    }
+    public List<OrderItem> selectAllItem(int orderid) throws SQLException{
+        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
+        String sql = "select i.id,i.price,i.amount,g.name from orderitem i,goods g where order_id=? and i.goods_id=g.id";
+        return r.query(sql, new BeanListHandler<OrderItem>(OrderItem.class),orderid);
+    }
+    public int getOrderCount