Spring boot + mybatis + orcale implementation steps example code explanation

After the last implementation, add mybatis to query the orcale database

Step 1: create several necessary packages. The results are as follows

Step 2: create a new personservice under the service package Java looks up the person method interface according to the name

Step 3: create a new personserviceimpl. Under the serviceimpl package Java implements personservice Java interface

Step 4: create a new personmapperdao.com under persondao Java has a method to query person

Step 5: create a new personmapper under resource xml

Step 6: in application Add data source, mapper file path and entity path in properties

Step 7: add dependency in POM file

Step 8: Browser input http://localhost:8080/person/show?name=zhang