Mongodb Gridfs实现图片存储解决方案

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引入Maven依赖

mongodb 3.x 与2.x版本有很大不同 这里选用2.x版本

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<dependency>
      <groupId>org.mongodb</groupId>
      <artifactId>mongo-java-driver</artifactId>
      <version>2.13.0-rc0</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.data</groupId>
      <artifactId>spring-data-mongodb</artifactId>
      <version>1.7.1.RELEASE</version>
    </dependency>

mongoDB集成spring

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:mongo="http://www.springframework.org/schema/data/mongo"
       xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/data/mongo
        http://www.springframework.org/schema/data/mongo/spring-mongo.xsd
        ">
    <context:property-placeholder location="classpath*:conf/mongo.properties"/>
    <mongo:mongo-client host="${mongo.host}" port="${mongo.port}" id="mongo">
        <mongo:client-options
                write-concern="SAFE" <!--有密码时为SAFE-->
                connections-per-host="${mongo.connectionsPerHost}"
                min-connections-per-host="${mongo.minConnectionsPerHost}"
                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="${mongo.socketTimeout}"
                description="${mongo.description}"
                max-connection-idle-time="${mongo.maxConnectionIdleTime}"
                max-connection-life-time="${mongo.maxConnectionLifeTime}"
                heartbeat-socket-timeout="${mongo.heartbeatSocketTimeout}"
                heartbeat-connect-timeout="${mongo.heartbeatConnectTimeout}"
                min-heartbeat-frequency="${mongo.minHeartbeatFrequency}"
                heartbeat-frequency="${mongo.heartbeatFrequency}"
        />
    </mongo:mongo-client>
    <!--</mongo:mongo>-->
    <!-- 设置使用的数据库 名-->
    <mongo:db-factory dbname="${mongo.defaultDbName}" mongo-ref="mongo" username="${mongo.user}" password="${mongo.pwd}"/>
    <!-- mongodb的模板 -->
    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongoDbFactory" ref="mongoDbFactory"/>
    </bean>
</beans>

属性文件

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#mongo.host=127.0.0.1
mongo.port=27017
mongo.defaultDbName=mongo_db
mongo.user=root
mongo.pwd=mypassword
mongo.connectionsPerHost=10
mongo.threadsAllowedToBlockForConnectionMultiplier=5
mongo.minConnectionsPerHost=5
#连接超时时间
mongo.connectTimeout=10000
#等待时间
mongo.maxWaitTime=120000
#Socket超时时间
mongo.socketTimeout=0
mongo.socketKeepAlive=true
mongo.description=bybon pic mongodb
mongo.maxConnectionIdleTime=1500
mongo.maxConnectionLifeTime=0
#mongo slave
mongo.heartbeatSocketTimeout=1000
mongo.heartbeatConnectTimeout=1500
mongo.minHeartbeatFrequency=5
mongo.heartbeatFrequency=10

#待续

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