电光石火-穿越时空

java

遍历取出Map集合key-value数据的4种方法

2018-11-12 似水的流年阅读(1498) 评论(0)

import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.Map.Entry; i...

java

2018-11-09 似水的流年阅读(1461) 评论(0)

string转化为byte[]数组String str = "abcd"; byte[] bs = str.getBytes();byte[]数组转化为string字符串/*String str1 = "abcd"...

2018-11-08 似水的流年阅读(6176) 评论(0)

直接进入这个网址设置即可http://192.168.1.1:8080/bridge_route.gch

sql

2018-11-05 似水的流年阅读(2050) 评论(0)

SELECT DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%s')

java

2018-11-01 似水的流年阅读(1825) 评论(0)

https://www.cnblogs.com/fsjohnhuang/p/4094777.htmlhttps://blog.csdn.net/lonely_fireworks/article/details/796...