随笔分类 - java

数据库jdbc链接:mysql, oracle, postgresql

摘要：#db mysql#jdbc.driver=com.mysql.jdbc.Driver#jdbc.url=jdbc:mysql://localhost:3306/mysql?&useUnicode=true&characterEncoding=utf-8&autoReconnect=true&fai 阅读全文

posted @ 2019-07-16 10:50 道以万计阅读(572) 评论(0) 推荐(0)

utf-8 解码

摘要：TWO_BYTE_CONSTANT1 = 192;THREE_BYTE_CONSTANT1 = 224;TWO_BYTE_MASK1 = 31;TWO_BYTE_SHIFT1 = 6;TWO_BYTE_MASK2 = 63;THREE_BYTE_MASK1 = 15;THREE_BYTE_SHIFT1 = 12;THREE_BYTE_SHIFT2 = 6;THREE_BYTE_MASK3 = 63;THREE_BYTE_MASK2 = 63;private String getStringRepresentation(byte[] bytes) throws UnsupportedEncodi 阅读全文

posted @ 2013-03-07 11:22 道以万计阅读(926) 评论(0) 推荐(0)