一个javase+jdbc+swing实现的桌面记账本应用
学完javase知识之后一直想着找个小项目来练手，今天更新一个demo
这是一个桌面应用-记账本
前端：Swing
数据库：MySql-8.0.21
数据库连接工具：JDBC
前后端通信：监听器ActionListener
可运行的jar包下载地址：https://github.com/Simon-syf/javase-demo/blob/master/hutubill.jar
开发过程主要有以下几步：
数据库表设计，主要包括三张表config category record
config：id、key、value category：id、name record：id、spend、cid、comment、data
前端开发
实体层、持久层开发
业务层开发
测试
项目包结构如下：
dao：存放数据库操作的实现类
entity：实体类，数据库表中数据项的实现
gui：前端页面
service：每个功能点的逻辑实现
startup：启动界面
util：封装之后的类文件
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