摘要：
http://blog.csdn.net/zhaozuosui/article/details/48394409 阅读全文
摘要：
问题：org.postgresql.util.PSQLException: Connection refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP con 阅读全文
摘要：
一, 下载jdk http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html 通过FTP等工具上传到云服务器 二 解压 解压 tar –xvf file.tar //解压 tar包 tar - 阅读全文