ztree - Can not read property 'init' of undefined solution

Reference: H ttps: //blog.csdn.net/cl11992/article/details/85629142

　　https://blog.csdn.net/leijia_xing/article/details/62422108?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task

 

My situation : error page saying "<% @ include file =" ../../../ common / m_declare.jsp as add.jsp, which looked "%>" and this will be introduced jquery.min.js . But before I looked up there in the page main.jsp phrase that has been introduced over time, so will the introduction of the intake add.jsp page, which would incorrect report.

The reason : Repeat the introduction jquery.min.js

Solve : remove add.jsp in the introduction to