参考：https://www.cnblogs.com/wuchanming/p/5426746.html
写的特别好
https://www.cnblogs.com/codelocking/p/10731283.html
https://blog.csdn.net/open_yu/article/details/89107552
spring中bean配置和bean注入
转载于:https://www.cnblogs.com/zhaoyanhaoBlog/p/11360181.html
参考：https://www.cnblogs.com/wuchanming/p/5426746.html
写的特别好
https://www.cnblogs.com/codelocking/p/10731283.html
https://blog.csdn.net/open_yu/article/details/89107552
转载于:https://www.cnblogs.com/zhaoyanhaoBlog/p/11360181.html