增加项目README.md

spring/spring-mongodb/src/main/resources/mongodb.xml

@@ -10,9 +10,10 @@
           http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans.xsd">
 
-
+    <!--扫描配置文件-->
     <context:property-placeholder location="classpath:mongodb.properties"/>
 
+    <!--定义用于访问MongoDB的MongoClient实例-->
     <mongo:mongo-client host="${mongo.host}" port="${mongo.port}">
         <mongo:client-options
                 connections-per-host="${mongo.connectionsPerHost}"
@@ -24,8 +25,10 @@
         />
     </mongo:mongo-client>
 
+    <!--定义用于连接到数据库的连接工厂-->
     <mongo:db-factory dbname="${mongo.dbname}" mongo-ref="mongoClient"/>
 
+    <!--实际操作mongodb的template,在代码中注入-->
     <bean id="anotherMongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
         <constructor-arg name="mongoDbFactory" ref="mongoDbFactory"/>
     </bean>