package com.dy.common.dataSource;
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import com.alibaba.druid.pool.DruidDataSource;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import javax.sql.DataSource;
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import java.sql.SQLException;
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@Configuration
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public class DruidDataSourceConfig {
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//编写方法,注入DruidDataSource
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//默认的数据源@ConditionalOnMissingBean({ DataSource.class, XADataSource.class })
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//通过@ConditionalOnMissingBean({ DataSource.class}) 判断如果容器有DataSource Bean 就不注入默认的HiKariDatasource
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@ConfigurationProperties("spring.datasource")
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@Bean
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public DataSource dataSource() throws SQLException {
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//1. 配置了 @ConfigurationProperties("spring.datasource")
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// 就可以读取到application.yml的配置
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//2. 我们就不需要调用DruidDataSource 对象的setXxx, 会自动关联
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return new DruidDataSource();
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}
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}
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