Mybatis返回map自动转驼峰

配置

MapWrapper.java

import com.google.common.base.CaseFormat;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.reflection.wrapper.MapWrapper;

import java.util.Map;

public class CustomWrapper extends MapWrapper {


    public CustomWrapper(MetaObject metaObject, Map<String, Object> map) {
        super(metaObject, map);
    }

    @Override
    public String findProperty(String name, boolean useCamelCaseMapping) {
        if(useCamelCaseMapping){
           return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL,name);
        }
        return name;
    }
}

ObjectWrapperFactory.java

import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.reflection.wrapper.ObjectWrapper;
import org.apache.ibatis.reflection.wrapper.ObjectWrapperFactory;

import java.util.Map;

public class MapWrapperFactory implements ObjectWrapperFactory{

    @Override
    public boolean hasWrapperFor(Object object) {
        return object != null && object instanceof Map;
    }

    @Override
    public ObjectWrapper getWrapperFor(MetaObject metaObject, Object object) {
        return new CustomWrapper(metaObject,(Map)object);
    }
}

mybatis-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <settings>
        <setting name="callSettersOnNulls" value="true"/>
        <!-- 开启转换 -->
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
</configuration>

<!--  配置 -->
 <bean id="lotterySqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:spring/mybatis-config.xml"/>
        <property name="mapperLocations" value>classpath:mapping/*.xml </property>
        <!--camelCase  转换驼峰-->
        <property name="objectWrapperFactory" ref="mapWrapperFactory" />
    </bean>

配置完成，跑一遍看效果!!!