MyBatis Enum Configuration Guide

1 year ago
Sophia Anderson
2 minutes

When using enum types in MyBatis, follow the steps outlined below:

  1. To create an enumeration class: You first need to create an enumeration class to represent the enumeration type you want to use, such as:
public enum Status {
    ACTIVE,
    INACTIVE
}
  1. Configure MyBatis type handlers: In the MyBatis configuration file, specify the package path of the enumeration type handler, for example:
<typeHandlers>
    <typeHandler handler="org.apache.ibatis.type.EnumTypeHandler" javaType="com.example.Status"/>
</typeHandlers>
  1. Using enumeration types in mapping files: Utilize the properties corresponding to enumeration types in mapping files for querying or inserting operations, for example:
<resultMap id="userResultMap" type="User">
    <result property="status" column="status" javaType="com.example.Status"/>
</resultMap>
  1. Using enumeration types in Java code: By directly using enumeration types in Java code, MyBatis will automatically convert the enum types to values in the database, for example:
User user = new User();
user.setStatus(Status.ACTIVE);
userMapper.insertUser(user);

By following the steps above, you can use enum types for database operations in MyBatis. It is important to ensure that the names of enum types correspond to the stored values in the database so that MyBatis can properly handle the conversion.

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