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How can I use MyBatis text literals without Tomcat parameters?

asked 2021-04-29 11:00:00 +0000

pufferfish gravatar image

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answered 2022-11-18 19:00:00 +0000

scrum gravatar image

You can use MyBatis text literals without Tomcat parameters by creating a MyBatis configuration file that specifies the text literals in the SQL statements. Here's an example:

<configuration>
    <typeAliases>
        <!-- Add type aliases here -->
    </typeAliases>
    <mappers>
        <!-- Add mapper files here -->
    </mappers>
    <sqls>
        <!-- Define text literals here -->
        <sql id="tableName">my_table</sql>
        <sql id="columnName">my_column</sql>
    </sqls>
</configuration>

Then in your mapper XML file, you can use the text literals like this:

<select id="selectMyData" resultType="com.example.MyData">
    SELECT * FROM ${tableName}
    WHERE ${columnName} = #{value}
</select>

Note the use of the ${} syntax to refer to the text literals defined in the configuration file. This way you do not need to specify any Tomcat parameters.

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Asked: 2021-04-29 11:00:00 +0000

Seen: 7 times

Last updated: Nov 18 '22