package com.fzzy.conf;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
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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 org.springframework.context.annotation.Primary;
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import org.springframework.jdbc.core.JdbcTemplate;
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import javax.sql.DataSource;
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/**
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* 数据源配置-单数据源
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*/
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@Configuration
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public class DataSourcePrimary {
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/**
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* 扫描spring.datasource.primary开头的配置信息
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*
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* @return 数据源配置信息
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*/
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@Primary
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@Bean(name = "primaryDataSourceProperties")
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@ConfigurationProperties(prefix = "spring.datasource.primary")
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public DataSourceProperties dataSourceProperties() {
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return new DataSourceProperties();
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}
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/**
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* 取主库数据源对象
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*
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* @param dataSourceProperties 注入名为primaryDataSourceProperties的bean
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* @return 数据源对象
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*/
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@Primary
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@Bean(name = "primaryDataSource")
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public DataSource dataSource(@Qualifier("primaryDataSourceProperties") DataSourceProperties dataSourceProperties) {
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return dataSourceProperties.initializeDataSourceBuilder().build();
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}
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/**
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* 该方法仅在需要使用JdbcTemplate对象时选用
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*
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* @param dataSource 注入名为primaryDataSource的bean
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* @return 数据源JdbcTemplate对象
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*/
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@Primary
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@Bean(name = "primaryJdbcTemplate")
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public JdbcTemplate jdbcTemplate(@Qualifier("primaryDataSource") DataSource dataSource) {
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return new JdbcTemplate(dataSource);
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}
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}
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