MybatisPlusConfig

package com.brillilab.dao.config;

import javax.sql.DataSource;

import org.apache.ibatis.mapping.DatabaseIdProvider;
import org.apache.ibatis.plugin.Interceptor;
import org.mybatis.spring.boot.autoconfigure.MybatisProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

import com.baomidou.mybatisplus.MybatisConfiguration;
import com.baomidou.mybatisplus.MybatisXMLLanguageDriver;
import com.baomidou.mybatisplus.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.plugins.PerformanceInterceptor;
import com.baomidou.mybatisplus.spring.MybatisSqlSessionFactoryBean;
import com.baomidou.mybatisplus.spring.boot.starter.SpringBootVFS;

@Configuration
public class MybatisPlusConfig {

	@Autowired
    private DataSource dataSource;

    @Autowired
    private MybatisProperties properties;

    @Autowired
    private ResourceLoader resourceLoader = new DefaultResourceLoader();

    @Autowired(required = false)
    private Interceptor[] interceptors;

    @Autowired(required = false)
    private DatabaseIdProvider databaseIdProvider;

    /***
	 * plus 的性能优化
	 * 
	 * @return
	 */
	@Bean
	public PerformanceInterceptor performanceInterceptor() {
		PerformanceInterceptor performanceInterceptor = new PerformanceInterceptor();
		/*  */
		// performanceInterceptor.setMaxTime(1000);
		/*  */
		performanceInterceptor.setFormat(true);
		return performanceInterceptor;
	}
	
    /**
     *   mybatis-plus分页插件
     */
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor page = new PaginationInterceptor();
        page.setDialectType("mysql");
        return page;
    }
    /**
     * 这里全部使用mybatis-autoconfigure 已经自动加载的资源。不手动指定
     * 配置文件和mybatis-boot的配置文件同步
     * @return
     */
    @Bean
    public MybatisSqlSessionFactoryBean mybatisSqlSessionFactoryBean() {
        MybatisSqlSessionFactoryBean mybatisPlus = new MybatisSqlSessionFactoryBean();
        mybatisPlus.setDataSource(dataSource);
        mybatisPlus.setVfs(SpringBootVFS.class);
        if (StringUtils.hasText(this.properties.getConfigLocation())) {
            mybatisPlus.setConfigLocation(this.resourceLoader.getResource(this.properties.getConfigLocation()));
        }
        mybatisPlus.setConfiguration(properties.getConfiguration());
        if (!ObjectUtils.isEmpty(this.interceptors)) {
            mybatisPlus.setPlugins(this.interceptors);
        }
        MybatisConfiguration mc = new MybatisConfiguration();
        mc.setDefaultScriptingLanguage(MybatisXMLLanguageDriver.class);
        mybatisPlus.setConfiguration(mc);
        if (this.databaseIdProvider != null) {
            mybatisPlus.setDatabaseIdProvider(this.databaseIdProvider);
        }
        if (StringUtils.hasLength(this.properties.getTypeAliasesPackage())) {
            mybatisPlus.setTypeAliasesPackage(this.properties.getTypeAliasesPackage());
        }
        if (StringUtils.hasLength(this.properties.getTypeHandlersPackage())) {
            mybatisPlus.setTypeHandlersPackage(this.properties.getTypeHandlersPackage());
        }
        if (!ObjectUtils.isEmpty(this.properties.resolveMapperLocations())) {
            mybatisPlus.setMapperLocations(this.properties.resolveMapperLocations());
        }
        return mybatisPlus;
    }

}