spring 手动添加 bean 到容器，例子 ：多数据源配置

时间：2020-12-01 11:26:10
package com.thunisoft.spsjsb.config.db.decrypt;

import com.alibaba.druid.pool.DruidDataSource;

import com.thunisoft.spsjsb.config.AppEnv;

import org.springframework.beans.factory.support.BeanDefinitionBuilder;

import org.springframework.beans.factory.support.DefaultListableBeanFactory;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;

@Configuration

public class MultiDsConf {

    @Bean

    public Integer doRun() {

        //获取BeanFactory

        DefaultListableBeanFactory defaultListableBeanFactory = (DefaultListableBeanFactory) AppEnv.getCtx().getAutowireCapableBeanFactory();

        //创建bean信息.

        BeanDefinitionBuilder beanDefinitionBuilder = BeanDefinitionBuilder.genericBeanDefinition(DruidDataSource.class);

        beanDefinitionBuilder.addPropertyValue("driverClassName","com.mysql.jdbc.Driver");

        beanDefinitionBuilder.addPropertyValue("url","jdbc:mysql:///sp_tjpt_dev?useUnicode=true&characterEncoding=utf8&useSSL=false&generateSimpleParameterMetadata=true&useCursorFetch=true&defaultFetchSize=100");

        beanDefinitionBuilder.addPropertyValue("username","root");

        beanDefinitionBuilder.addPropertyValue("password","123456");

        defaultListableBeanFactory.registerBeanDefinition("sjsb", beanDefinitionBuilder.getBeanDefinition());

        BeanDefinitionBuilder beanDefinitionBuilder2 = BeanDefinitionBuilder.genericBeanDefinition(DruidDataSource.class);

        beanDefinitionBuilder2.addPropertyValue("driverClassName","net.sourceforge.jtds.jdbc.Driver");

        beanDefinitionBuilder2.addPropertyValue("url","jdbc:jtds:sybase:///YWST");

        beanDefinitionBuilder2.addPropertyValue("username","sa");

        beanDefinitionBuilder2.addPropertyValue("password","123456");

        defaultListableBeanFactory.registerBeanDefinition("np", beanDefinitionBuilder2.getBeanDefinition());

        return 1;

    }

}

　　

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