摘要:
/** * byte(字节)根据长度转成kb(千字节)和mb(兆字节) * * @param bytes * @return */ public static String bytes2kb(long bytes) { BigDecimal filesize = new BigDecimal(byt 阅读全文
摘要:
格式为: order by field(value,str1,str2,str3,str4,strn) 示例: select * from user by field(name,‘zhangsan’,‘lisi’,‘wangwu’); 阅读全文