相信看过上一篇文章的小伙伴已经知道了, 这章要讲的就是MongoDB主从配置。
在这边文章中,你将要学到的是在项目中配置主从数据库,并且兼容其他数据库哟。。这些都是博主项目中需要并且比较重要的知识哦~
好了,废话不多说,直接进主题。
1.pom依赖
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< span style = "white-space:pre" > </ span >< dependency > < groupId >org.springframework.boot</ groupId > < artifactId >spring-boot-starter-data-mongodb</ artifactId > </ dependency > |
2.配置文件的编写
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## 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 |
3.配置文件的编写
在mongodb主从配置中,配置有所不同
1.配置父类AbstractMongoConfigure
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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; } } |
2.主数据库配置
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@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()); } } |
3.从数据库配置
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@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()); } } |
到此,主从数据库也讲解完毕,如果有不懂或出bug的小伙伴可以留言我哟。。
以上这篇springboot配置多数据源的实例(MongoDB主从)就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:http://blog.csdn.net/m0_37625860/article/details/78913057