From 0d638f9d78b73044060bdf357c9f6bf5eca76f0e Mon Sep 17 00:00:00 2001
From: nxist2202005028 <yj2198695169@qq.com>
Date: Fri, 14 Jun 2024 15:26:23 +0800
Subject: [PATCH] ADD file via upload

---
 OrderDaoImptyj.java | 102 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 OrderDaoImptyj.java

diff --git a/OrderDaoImptyj.java b/OrderDaoImptyj.java
new file mode 100644
index 0000000..850c7a1
--- /dev/null
+++ b/OrderDaoImptyj.java
@@ -0,0 +1,102 @@
+package com.tyj.dao.mysql;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.tyj.dao.OrderDao;
+import com.tyj.domain.Order;
+
+public abstract class OrderDaoImptyj implements OrderDao {
+	
+	@Override
+	public List<Order> findAll() {
+	
+		String sql = "select orderid,userid,menuid,menusum,times,delivery from orders";
+
+		List<Order> list = new ArrayList<Order>();
+		// TODO Auto-generated method stub
+
+		try (// 2.创建数据库链接
+				Connection conn = DBHelper.getConnection();				// 3.创建语句对象
+				PreparedStatement pstmt = conn.prepareStatement(sql);
+				// 4.绑定参数
+				// 5。执行查询
+				ResultSet rs = pstmt.executeQuery();) {
+
+			// 6.遍历结果集
+			while (rs.next()) {
+				Order order = new Order();
+				order.setOrderid(rs.getLong("orderid"));
+				order.setOrderdate(rs.getDate("orderdate"));
+				order.setUserid(rs.getString("userid"));
+
+				list.add(order);
+			}
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		return list;
+	}
+
+	@Override
+	public Order findById(String id) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public int create(Order order) {
+
+		
+
+		try (// 2.创建数据库链接
+				Connection conn = DBHelper.getConnection();	
+				// 3.创建语句对象
+				PreparedStatement pstmt = conn.prepareStatement(
+						"insert into orders (orderid,userid,menuid,menusum,times,delivery)"
+						+ "values (?,?,?,?,?)")) {
+
+			// 4.绑定参数
+			pstmt.setLong(1, order.getOrderid());
+			pstmt.setString(2, order.getUserid());
+			// util date转换为sql date
+			java.util.Date now = new java.util.Date();
+			// java.sql.Date date = new java.sql.Date(now.getTime());
+			// pstmt.setDate(3, date);
+			// Timestamp比Date更精确
+			java.sql.Timestamp date = new java.sql.Timestamp(now.getTime());
+			pstmt.setTimestamp(3, date);
+			pstmt.setInt(4, order.getMenusum());
+			pstmt.setInt(5, order.getDelivery());
+
+			// 5.执行查询
+			int a = pstmt.executeUpdate();
+			System.out.printf("成功插入%d数据。\n", a);
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		return 0;
+	}
+
+	@Override
+	public int modify(Order order) {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	@Override
+	public int remove(Order order) {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+	
+
+}