时间html
1.android 监听系统时区变化,日期变化,时间变化java
https://www.cnblogs.com/lotusve/archive/2012/05/30/2525371.html android
系统api
1.获取当前方法的名字网络
2.网络状态监听
ide
https://www.jianshu.com/p/6fa0f1f1ce48.net
文件excel
1.properties读取htm
Properties properties = new Properties(); try { InputStream in=context.getAssets().open("test.properties"); properties.load(in); in.close(); }catch (IOException e){ // ... return; } String host = properties.getProperty("HOST");
2.生成excel
blog
先引用jxl库:https://mvnrepository.com/artifact/net.sourceforge.jexcelapi/jxl/2.6.12