1,创建mongodb.properties
#DB name
mongo.dbname = ***
#username
mongo.username = ***
#password
mongo.password = ***
#host
mongo.host = 192.168.1.*
#port
mongo.port= 27017
#xiancheng zui da zu se shu
mongo.connectionsPerHost= 8
#xiancheng dui lie shu
mongo.threadsAllowedToBlockForConnectionMultiplier= 4
#connectTimeout ms
mongo.connectTimeout= 1500
#maxWaitTime
mongo.maxWaitTime= 1500
#autoConnect
mongo.autoConnectRetry= true
#socketKeepAlive
mongo.socketKeepAlive= true
#socketTimeout
mongo.socketTimeout=1500
#du xie fen li
mongo.slaveOk=true
2,创建spring-mongodb.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:mongo="http://www.springframework.org/schema/data/mongo" xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/data/mongo
http://www.springframework.org/schema/data/mongo/spring-mongo.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<!-- 加载mongodb的属性配置文件 -->
<context:property-placeholder location="classpath:mongodb.properties"/>
<!-- 我们使用的mongodb的版本是3.X,所以在构造这段话的时候要根据 Mongo 类的构造函数来构造,不同版本可能会造成构造函数的不同 -->
<mongo:mongo-client id="mongo" host="${mongo.host}" port="${mongo.port}">
<mongo:client-options connections-per-host="${mongo.connectionsPerHost}"
threads-allowed-to-block-for-connection-multiplier="${mongo.threadsAllowedToBlockForConnectionMultiplier}"
connect-timeout="${mongo.connectTimeout}" max-wait-time="${mongo.maxWaitTime}"
socket-keep-alive="${mongo.socketKeepAlive}" socket-timeout="${mongo.socketTimeout}" />
</mongo:mongo-client>
<!-- 用户验证 -->
<bean id="userCredentials" class="org.springframework.data.authentication.UserCredentials">
<constructor-arg name="username" value="${mongo.username}" />
<constructor-arg name="password" value="${mongo.password}" />
</bean>
<!-- mongo的工厂,通过它来取得mongo实例,dbname为mongodb的数据库名,没有的话会自动创建 -->
<bean id="mongoDbFactory"
class="org.springframework.data.mongodb.core.SimpleMongoDbFactory">
<constructor-arg ref="mongo" />
<constructor-arg value="${mongo.dbname}" />
</bean>
<bean id="mappingContext"
class="org.springframework.data.mongodb.core.mapping.MongoMappingContext" />
<bean id="defaultMongoTypeMapper"
class="org.springframework.data.mongodb.core.convert.DefaultMongoTypeMapper">
<constructor-arg name="typeKey">
<null />
</constructor-arg>
</bean>
<!-- collection的映射 -->
<bean id="mappingMongoConverter"
class="org.springframework.data.mongodb.core.convert.MappingMongoConverter">
<constructor-arg name="mongoDbFactory" ref="mongoDbFactory" />
<constructor-arg name="mappingContext" ref="mappingContext" />
<property name="typeMapper" ref="defaultMongoTypeMapper" />
</bean>
<!-- mongodb的主要操作对象,所有对mongodb的增删改查的操作都是通过它完成 -->
<bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
<constructor-arg name="mongoDbFactory" ref="mongoDbFactory" />
<constructor-arg name="mongoConverter" ref="mappingMongoConverter" />
</bean>
</beans>
3,spring-mvc.xml 里面引入mongodb配置
<!-- 引入mongodb的相关配置 -->
<import resource="classpath:spring-mongodb.xml"/>
4,实体 entity
@Document(collection = "表名")
public class Test{
@Id
private String id;
/**
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}
5,service
@Service
public class TestService implements ITestService {
@Autowired
private MongoTemplate mongoTemplate;
@Override
public Map<String,Object> dataList(Test test) throws Exception {
Map<String,Object> map = MapUtils.createFailMap();
List<Test> list = new ArrayList<Test>();
Query query = new Query();
query.with(new Sort(Direction.DESC,"_id"));
list = mongoTemplate.find(query, Test.class);
map.put("rows",list);
map.put("total", list.size());
return map;
}
}
end!
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