day1
....\class-excs
....\..........\Test1.java
....\..........\Test2.java
....\..........\Test3.java
....\..........\Test4.java
....\..........\Test5.java
....\env
....\...\mysql-connector-java-3.1.6-bin.jar
....\labs
....\....\canshu.txt
....\....\day01-zongjie.txt
....\....\lab1-1.txt
....\....\lab1-2.txt
....\....\lab1-3.txt
....\....\lab2.txt
....\....\lab3.txt
....\....\mysql-notes.txt