qq_43411521的博客

public interface StaffMapper { public List<Staff> getStaffList(@Param("departmentType") String dapartmentType, @Param("staffName") String staffName, @Param("staffId") Integer staffId); public Staff getStaffById(@Param("staffId") Integer st.

public interface LoginUserMapper { public LoginUser getLoginUser(@Param("userName") String userName);}<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.o.

第一步：JdbcUtil 类package com.zll.util;import java.io.IOException;import java.io.InputStream;import java.sql.*;import java.util.Properties;/** * @auther zll * @create 2020/7/21-17:25 */public class JdbcUtil { public static Connection getCon

第一步：编写UserMapper接口 和UserMapper.xml文件package com.zll.dao;import com.zll.pojo.User;import org.apache.ibatis.annotations.Param;/** * @auther zll * @create 2020/7/20-16:01 */public interface UserMapper { //根据用户id修改信息 public int updateUser(@

第一步：创建BillMapper接口 ，ProviderMapper接口public interface BillMapper { //根据商品名称（模糊查询），供应商id，是否付款 进行查询 public List<Bill> getBillByProName(Bill bill);}public interface ProviderMapper { public List<Provider> getAllProvider();}.

练习一：第一步：编写UserDao 接口 和 它的实现类public interface UserDao { public void addNewUser(User user);}public class UserDaoImpl implements UserDao { @Override public void addNewUser(User user) { System.out.println("用户添加成功"); }}第二步：编.

练习一第一步：创建实体类 Person.javapackage com.spring.beans;/** * @auther zll * @create 2020/7/14-19:00 */public class Person { private String name; private String sayworld; public String getName() { return name; } public void

练习一：1.在接口 BillMapper中添加方法//根据供应商id ，获取这些对应商的订单列表信息(数组入参) public List<Bill> getBillByProviderArray(Integer[] ids); //根据供应商id ，获取这些对应商的订单列表信息(List入参) public List<Bill> getBillByProviderList(List<Integer> idlist);2.在Bill.

1.实体类Bill.javapackage com.bean;import java.util.Date;/** * @auther zll * @create 2020/7/9-18:03 */public class Bill { private int id; private String billCode; private String productName; private String productDesc; private St

类结构：第一步：创建mybatis-config.xml<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration> <proper.