2022-04-27
# 2022--springboot微信订单项目
创建数据库，字段表1:product_info
CREATE TABLE `product_info` (
`product_id` varchar(32) NOT NULL COMME...
2022-04-25
# UUID
package com.xuwen.utils;
import org.junit.Test;
import java.util.UUID;
/**
* author:xuwen
*...
2022-04-24
# 万能map--mybatis
假设，我们的实体类或数据库中的表，字段或参数过多，我们应当考虑使用Map
int addUser2(Map<String,Object> map);
User getUserById...
2022-04-22
# springboot--jpa，数据库映射
applicaiton.ymlspring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
username...
2022-04-21
# springboot 拦截器Interceptor
package com.xuwen.config;
import org.springframework.context.annotation.Configuration;
import or...