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spring 手動新增 bean 到容器,例子 :多資料來源配置

 

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() {
        //獲取BeanFactory
        DefaultListableBeanFactory defaultListableBeanFactory = (DefaultListableBeanFactory) AppEnv.getCtx().getAutowireCapableBeanFactory();

        //建立bean資訊.
        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;
    }
}