项目初始导入

src/main/java/com/nis/datasource/CustomerContextHolder.java

@@ -0,0 +1,28 @@
+package com.nis.datasource;
+
+public class CustomerContextHolder {
+	public static final String DATA_SOURCE_A = "dataSourceA";
+	public static final String DATA_SOURCE_B = "dataSourceB";
+	public static final String DATA_SOURCE_C = "dataSourceC";
+	public static final String DATA_SOURCE_D = "dataSourceD";
+	public static final String DATA_SOURCE_E = "dataSourceE";
+	public static final String DATA_SOURCE_F = "dataSourceF";
+	public static final String DATA_SOURCE_G = "dataSourceG";
+	public static final String DATA_SOURCE_H = "dataSourceH";
+	
+	//线程本地环境
+	private static final ThreadLocal<String> contextHolder = new ThreadLocal<String>();
+	//设置数据源类型
+	public static void setCustomerType(String customerType){
+		contextHolder.set(customerType);
+	}
+	//获取数据源类型
+	public static String getCustomerType(){
+		return contextHolder.get();
+	}
+	//清除数据源类型
+	public static void clearCustomerType(){
+		contextHolder.remove();
+	}
+
+}

src/main/java/com/nis/datasource/DynamicDataSource.java

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+package com.nis.datasource;
+
+import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource;
+
+public class DynamicDataSource extends AbstractRoutingDataSource  {
+
+	@Override
+	protected Object determineCurrentLookupKey() {
+		return CustomerContextHolder.getCustomerType();
+	}
+
+}