springboot配置多数据源的实例(MongoDB主从)

<span style="white-space:pre">		</span><dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-mongodb</artifactId>
		</dependency>

## master mongo
master:
 mongodb:
 host: localhost
 port: 27017
 database: db_ops
## slave1 mongo
slave1:
 mongodb:
 host: localhost
 port: 27017
 database: db_note
## zookeeper注册中心

public abstract class AbstractMongoConfigure {
 private String host, database;
 private int port;
 public MongoDbFactory mongoDbFactory() throws Exception {
  return new SimpleMongoDbFactory(new MongoClient(host, port), database);
 }
 /*
  * Factory method to create the MongoTemplate
  */
 abstract public MongoTemplate getMongoTemplate() throws Exception;
 public String getHost() {
  return host;
 }
 public void setHost(String host) {
  this.host = host;
 }
 public String getDatabase() {
  return database;
 }
 public void setDatabase(String database) {
  this.database = database;
 }
 public int getPort() {
  return port;
 }
 public void setPort(int port) {
  this.port = port;
 }
}

@Configuration
@EnableAutoConfiguration(exclude = {MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})
@EnableMongoRepositories(basePackages = {"com.jx.ops.mapper.mongodb.ops"},mongoTemplateRef = "opsMongoTemplate")
@ComponentScan
@ConfigurationProperties(prefix = "ops.mongodb")
public class MongoMasterConfig extends AbstractMongoConfigure {
 @Override
 @Bean(name = "opsMongoTemplate")
 @Primary //<span style="color:#ff0000;">重点哦</span>
 public MongoTemplate getMongoTemplate() throws Exception {
  return new MongoTemplate(mongoDbFactory());
 }
}

@Configuration
@EnableAutoConfiguration(exclude = {MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})
@EnableMongoRepositories(basePackages = {"com.jx.ops.mapper.mongodb.post"},mongoTemplateRef = "postMongoTemplate")
@ComponentScan
@ConfigurationProperties(prefix = "post.mongodb")
public class MongoPostConfig extends AbstractMongoConfigure {
 @Override
 @Bean(name = "postMongoTemplate")
 public MongoTemplate getMongoTemplate() throws Exception {
  return new MongoTemplate(mongoDbFactory());
 }
}