import org.apache.ibatis.cache.CacheKey;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.plugin.Intercepts;
import org.apache.ibatis.plugin.Invocation;
import org.apache.ibatis.plugin.Plugin;
import org.apache.ibatis.plugin.Signature;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import org.springframework.stereotype.Component;
 
import java.util.Properties;
 
import lombok.extern.slf4j.Slf4j;
 
@Slf4j
@Component
@Intercepts({
        @Signature(
                method = "query",
                type = Executor.class,
                args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class}
        ),
        @Signature(
                method = "query",
                type = Executor.class,
                args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class, CacheKey.class, BoundSql.class}
        ),
        @Signature(
                type = Executor.class,
                method = "update",
                args = {MappedStatement.class, Object.class}
        )
})
public class LogInterceptor implements Interceptor {
    @Override
    public Object intercept(Invocation invocation) throws Throwable {
        log.info("begin >>>>>>>>>");
        Object rest = invocation.proceed();
        log.info("end >>>>>>>>>");
        return rest;
    }
 
    @Override
    public Object plugin(Object o) {
        return Plugin.wrap(o, this);
    }
 
    @Override
    public void setProperties(Properties properties) {
 
    }
}

import com.github.pagehelper.autoconfigure.PageHelperAutoConfiguration;
 
import org.apache.ibatis.session.SqlSessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.context.annotation.Configuration;
 
 
@Configuration
// 這一行很重要，因?yàn)閕nterceptor 鏈的執(zhí)行與添加是反序的，所以在 PageHelperAutoConfiguration 之后添加，才能先執(zhí)行。
@AutoConfigureAfter(PageHelperAutoConfiguration.class)
public class MybatisInterceptorAutoConfiguration {
 
    @Autowired
    private List<SqlSessionFactory> sqlSessionFactoryList;
 
    @PostConstruct
    public void addMyInterceptor() {
        LogInterceptor e = new LogInterceptor();
        for (SqlSessionFactory sqlSessionFactory : sqlSessionFactoryList) {
            sqlSessionFactory.getConfiguration().addInterceptor(e);
        }
    }
}