[{"title":"( 6 个子文件 3KB ) 观察者模式实现了股价涨跌提示","children":[{"title":"guanchazhe","children":[{"title":"PeopleImpl.java <span style='color:#111;'> 569B </span>","children":null,"spread":false},{"title":"ShareImpl.java <span style='color:#111;'> 1.19KB </span>","children":null,"spread":false},{"title":"People.java <span style='color:#111;'> 156B </span>","children":null,"spread":false},{"title":"Main.java <span style='color:#111;'> 1.07KB </span>","children":null,"spread":false},{"title":"Share.java <span style='color:#111;'> 432B </span>","children":null,"spread":false}],"spread":true},{"title":"说明.txt <span style='color:#111;'> 176B </span>","children":null,"spread":false}],"spread":true}]