为您找到相关结果67个
RxJava+Retrofit+Mvp实现购物车_java_脚本之家
public class CartBean { /** * msg : 请求成功 * code : 0 * data : [{"list":[{"bargainPrice":22.9,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends"...
www.jb51.net/article/1398...htm 2024-5-22
Django自定义User模型、认证、权限控制的操作_python_脚本之家
21 fromdjango.dbimportmodels fromdjango.contrib.auth.modelsimportUser fromdjango.dispatchimportreceiver# 导入receiver监听信号 fromdjango.db.models.signalsimportpost_save# 导入post_save信号 classExtensionUser(object): """创建一对一模型,并添加新的字段""" user=models.OneToOneField(User,on_delete=models.C...
www.jb51.net/article/2104...htm 2024-5-22
SqlServer获取存储过程返回值的实例_MsSql_脚本之家
SqlConnection conn = new SqlConnection(Conn_Str); SqlCommand cmd = new SqlCommand("Cart_UserAmount", conn); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.AddWithValue("@UID", UID); cmd.Parameters.Add("@Amount", SqlDbType.Decimal).Direction=ParameterDirection.Output; //利用Add方法...
www.jb51.net/article/358...htm 2024-5-21
Django Rest framework之认证的实现代码_python_脚本之家
fromdjango.dbimportmodels classUserInfo(models.Model): USER_TYPE=( (1,'普通用户'), (2,'VIP'), (3,'SVIP') ) user_type=models.IntegerField(choices=USER_TYPE, default=1) username=models.CharField(max_length=32) password=models.CharField(max_length=64) ...
www.jb51.net/article/1528...htm 2024-5-22
php 购物车完整实现代码_php实例_脚本之家
$conn=mysql_connect("localhost","root","") or die("数据库服务器连接错误".mysql_error()); mysql_select_db("shop",$conn) or die("数据库访问错误".mysql_error()); mysql_query("set character set gb2312"); mysql_query("set names gb2312"); ?>...
www.jb51.net/article/506...htm 2024-5-22
Java解决代码重复的三个绝招分享_java_脚本之家
public Cart wrong(@RequestParam("userId") int userId) { //根据用户ID获得用户类型 String userCategory = Db.getUserCategory(userId); //普通用户处理逻辑 if (userCategory.equals("Normal")) { NormalUserCart normalUserCart = new NormalUserCart(); return normalUserCart.process(userId, items); ...
www.jb51.net/article/2555...htm 2024-5-22
springboot整合mybatis实现数据库的更新批处理方式_java_脚本之家
Integer batchBookCountStork(@Param("bookList") List<CartItem> bookList); 2.在mapper.xml中编写对相应的更新sql语句 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 <update id="batchBookCountStork" parameterType="java.util.List"> UPDATE t_book <set> <foreach collection="bookList" item="...
www.jb51.net/article/2777...htm 2024-5-22
JavaScript中如何调用Java方法_javascript技巧_脚本之家
public void deleteFromCart(String shoes_id) { System.out.println("ShopShoesDao.deleteFromCart"); String[] shoes_ids = shoes_id.split(","); Connection connection = DBUtil.getConnection(); PreparedStatement preparedStatement = null; try { for (String string : shoes_ids) { int id = Integer...
www.jb51.net/article/1957...htm 2024-5-22