Error Invalid bound statement (not found): xxx Problem Solution

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Error Analysis:

• teget directory of userDao.xml files should be placed below userDao.class 
• The correct figure below

             

 

 

Solution is as follows

1. Since resources can not be created in the following package, can only create folders Directory, Key (folder inside can not. "" Form )

So can not directly write in the following resources

 

               

 

You should create a file folder such as create com.blog.mapper

Create the following

• Not the easy way, ah, I wasted three or four hours