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说明：  自己学习ssm开发的小系统,这是业务层，包含必要的Java代码(learn ssm and develop a system by myself)

说明：  spingsecurity的demo，初学者可根据注释和代码进行学习(Spingsecurity demo, beginners can learn from comments and code)

用JAVA编写的五环的小程序，特别适合初学JAVA的程序员学习。(JAVA with the five rings of small procedures, particularly suitable for beginners JAVA programmers to learn.)

##基本用法 IP.enableFileWatch = true; // 默认值为：false，如果为true将会检查ip库文件的变化自动reload数据 IP.load("IP库本地绝对路径"); IP.find("8.8.8.8");//返回字符串数组["GOOGLE","GOOGLE"](The IP. Java class only applies to the free version of DAT and the paid version of the weekly daily version of dat files.)

一个java的ETL工具，实现了数据的清洗抽取转换功能，很强大(A java of ETL tools for data conversion extraction cleaning features, very powerful)

支持在图片上绘图的和取色器的涂鸦板默认是一张全白图片上绘制，支持更换涂鸦的画布图片，支持橡皮擦功能，支持多种画笔颜色，支持画笔取色器，可以清屏，也可以保存当前涂鸦后的画布到图片文件。(Support in the picture on the drawing and color picker graffiti board default is a white image rendering, support the replacement of graffiti canvas pictures, support the eraser function, supports a variety of brushes color, brush picker support, to clear the screen, you can also save the current after the graffiti canvas to the picture file.)

java jar文件，包括mysql-connector-java-5.1.6-bin.jar、tomcat-dbcp.jar、hibernate3.jar、struts.jar等，在连接数据库等方面会用到(java jar files, including mysql-connector-java-5.1.6-bin.jar, tomcat-dbcp.jar, hibernate3.jar, struts.jar, etc., will be used to connect the database, etc.)

说明：  Javaweb 学生宿舍管理系统 可大作业 毕业设计项目 有两个权限 系统管理员和学生 对学生宿舍增删改查批量删除ajax调用函数分页 模糊查询 记住登陆 过滤器 js调用 前端用的bootstrap框架 有时间和富文本编辑框小插件 可以用作作业或者项目考试绝对没问题的(Java web student dormitory management system can be large homework graduation project. There are two rights system administrators and students to add, delete, check, batch delete Ajax call function paged fuzzy query to student dormitory. Remember that bootstrap framework used in the front-end of landing filter JS call has time and rich text edit box plug-in which can be used as homework or project exam absolutely no problem.)

Java设计实例100例，希望有助于你学习JAVA(The utility program design 100 cases of java)

微信支付退款接口java实现,微信官方文档提供，仅供参考(java weixin pay tuikuan interface,2016.06.28)