地址：
1. https://www.javadoop.com
2. https://blog.csdn.net/u013256816
3.https://www.cnblogs.com/xrq730/
4.https://toutiao.io/c/java
5.https://abelyang.blog.csdn.net/
6.https://blog.csdn.net/guorui_java
7.https://blog.csdn.net/u010013573
