時間html
1.android 監聽系統時區變化,日期變化,時間變化java
https://www.cnblogs.com/lotusve/archive/2012/05/30/2525371.html android
系統api
1.獲取當前方法的名字網絡
2.網絡狀態監聽
ide
https://www.jianshu.com/p/6fa0f1f1ce48.net
文件excel
1.properties讀取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庫:https://mvnrepository.com/artifact/net.sourceforge.jexcelapi/jxl/2.6.12