初始化，未完成配置

Chapter3-2-4/src/main/java/com/didispace/Application.java

@@ -0,0 +1,20 @@
+package com.didispace;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Primary;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import javax.sql.DataSource;
+
+@SpringBootApplication
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+}

Chapter3-2-4/src/main/java/com/didispace/DataSourceConfig.java

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+package com.didispace;
+
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import javax.sql.DataSource;
+
+/**
+ * @author 程序猿DD
+ * @version 1.0.0
+ * @date 16/3/26 下午9:11.
+ * @blog http://blog.didispace.com
+ */
+@Configuration
+public class DataSourceConfig {
+
+    @Bean(name = "primaryDataSource")
+    @Qualifier("primaryDataSource")
+    @ConfigurationProperties(prefix="spring.datasource.primary")
+    public DataSource primaryDataSource() {
+        return DataSourceBuilder.create().build();
+    }
+
+    @Bean(name = "secondaryDataSource")
+    @Qualifier("secondaryDataSource")
+    @Primary
+    @ConfigurationProperties(prefix="spring.datasource.secondary")
+    public DataSource secondaryDataSource() {
+        return DataSourceBuilder.create().build();
+    }
+
+    @Bean(name = "primaryJdbcTemplate")
+    public JdbcTemplate primaryJdbcTemplate(
+            @Qualifier("primaryDataSource") DataSource dataSource) {
+        return new JdbcTemplate(dataSource);
+    }
+
+    @Bean(name = "secondaryJdbcTemplate")
+    public JdbcTemplate secondaryJdbcTemplate(
+            @Qualifier("secondaryDataSource") DataSource dataSource) {
+        return new JdbcTemplate(dataSource);
+    }
+
+}