import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;

import javax.sql.DataSource;

/**
 * @author ：Test
 * @version ：1.0.0
 * @date ：2020-03-12 15:03:34
 * @description ： 配置项目一些访问记录
 */
@Configuration
public class DruidConfiguration {

    @Bean
    public ServletRegistrationBean statViewServlet() {
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
        //白名单：
        servletRegistrationBean.addInitParameter("allow", "127.0.0.1");
        //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的即提示:Sorry, you are not permitted to view this page.
//        servletRegistrationBean.addInitParameter("deny", "192.168.0.5");
        //登录查看信息的账号密码.
        servletRegistrationBean.addInitParameter("loginUsername", "admin");
        servletRegistrationBean.addInitParameter("loginPassword", "123456");
        //是否能够重置数据.
        servletRegistrationBean.addInitParameter("resetEnable", "false");
        return servletRegistrationBean;
    }

    @Bean
    public FilterRegistrationBean statFilter() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
        //添加过滤规则.
        filterRegistrationBean.addUrlPatterns("/*");
        //添加不需要忽略的格式信息.
        filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
        return filterRegistrationBean;
    }

    @Bean
    PersistenceExceptionTranslationPostProcessor persistenceExceptionTranslationPostProcessor() {
        return new PersistenceExceptionTranslationPostProcessor();
    }

    //配置数据库的基本链接信息
    @Bean(name = "dataSource")
    @Primary
    @ConfigurationProperties(prefix = "spring.datasource")    //可以在application.properties中直接导入
    public DataSource dataSource() {
        return DataSourceBuilder.create().type(com.alibaba.druid.pool.DruidDataSource.class).build();
    }

    // 获取mybatis的配置文件
    @Bean(name="config")
    @ConfigurationProperties(prefix = "mybatis.configuration")
    public org.apache.ibatis.session.Configuration mybatiesConfig(){
        return new org.apache.ibatis.session.Configuration();
    }

    @Bean
    public SqlSessionFactoryBean sqlSessionFactory(@Qualifier("dataSource") DataSource dataSource,org.apache.ibatis.session.Configuration config) throws Exception {
        SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
        bean.setDataSource(dataSource);
        PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
　　　　　# 数据库xml文件路径 
        bean.setMapperLocations(resolver.getResources("classpath:/mybatis/*.xml"));
　　　　　# 数据库一些其他配置
        bean.setConfiguration(config);
        return bean;
    }
}