springboot集成druid数据源

package com.book.app.utils;

import java.util.HashMap;
import java.util.Map;

import javax.sql.DataSource;

import org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator;
import org.springframework.boot.bind.RelaxedPropertyResolver;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import com.alibaba.druid.support.spring.stat.DruidStatInterceptor;
@Configuration
public class DruidDataSourceConfig implements EnvironmentAware {

private RelaxedPropertyResolver propertyResolver;
/**
* 功能：可以看druid的一些信息，不看可以不配
*/
public void setEnvironment(Environment env) {
this.propertyResolver = new RelaxedPropertyResolver(env,"spring.datasource.");
}
@Bean
public DataSource dataSource() {
DruidDataSource dataSource = new DruidDataSource();
dataSource.setUrl(propertyResolver.getProperty("url"));
dataSource.setDriverClassName(propertyResolver.getProperty("driver-class-name"));
dataSource.setPassword(propertyResolver.getProperty("password"));
dataSource.setUsername(propertyResolver.getProperty("username"));
try {
dataSource.setFilters("stat,wall");
} catch (Exception e) {
e.printStackTrace();
}
return dataSource;
}
@Bean
public ServletRegistrationBean druidServlet() {
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean();
servletRegistrationBean.setServlet(new StatViewServlet());
servletRegistrationBean.addUrlMappings("/druid/*");
Map<String, String> initParameters = new HashMap<String,String>();
initParameters.put("resetEnable","false");
initParameters.put("allow", "127.0.0.1");
servletRegistrationBean.setInitParameters(initParameters);
return servletRegistrationBean;

}
@Bean
public FilterRegistrationBean filterRegistrationBean() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
filterRegistrationBean.setFilter(new WebStatFilter());
filterRegistrationBean.addUrlPatterns("/*");
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.bmp,*.png,*.css");
return filterRegistrationBean;
}
@Bean
public DruidStatInterceptor druidStatInterceptor() {
DruidStatInterceptor druidStatInterceptor = new DruidStatInterceptor();
return druidStatInterceptor;
}

public BeanNameAutoProxyCreator beanNameAutoProxyCreator() {
BeanNameAutoProxyCreator beanNameAutoProxyCreator = new BeanNameAutoProxyCreator();
beanNameAutoProxyCreator.setProxyTargetClass(true);
beanNameAutoProxyCreator.setInterceptorNames("druid-stat-interceptor");
return beanNameAutoProxyCreator;
}

}