一道调用异地服务器上数据库
..........................\Client.class
..........................\Client.java
..........................\Client.java.bak
..........................\QueryClient$1.class
..........................\QueryClient.class
..........................\Server.class
..........................\Server.java
..........................\Server.java.bak
..........................\Server_thread.class
..........................\Test.class
..........................\Test.java