2小时带你实战Dubbo分布式服务调度

1 Dubbo概念

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2 搭建微服务SpringBoot多模块项目

1.POM

dubboone.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.3.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
    <modules>
        <module>dubboone-api</module>
        <module>dubboone-modle</module>
        <module>dubboone-server</module>
    </modules>
    <groupId>com.dubboOne</groupId>
    <artifactId>dubboone</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>dubboone</name>
    //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
    <packaging>pom</packaging>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

dubboone-api

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
    <parent>
        <groupId>com.dubboOne</groupId>
        <artifactId>dubboone</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <relativePath/>
    </parent>


    <groupId>com.dubboOne.api</groupId>
    <artifactId>dubboone-api</artifactId>
    <version>0.0.1-SNAPSHOT</version>
   //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
    <packaging>jar</packaging>
    <name>dubboone-api</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
        <mybatis-pagehelper.version>4.1.2</mybatis-pagehelper.version>
        <lombok.version>1.16.10</lombok.version>
    </properties>
    <dependencies>
        <!--java校验 跟 hibernate校验-->
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>1.1.0.Final</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>5.3.5.Final</version>
        </dependency>
        <!--for page-->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>${mybatis-pagehelper.version}</version>
        </dependency>
        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>${lombok.version}</version>
        </dependency>
        <!--//SpringBoot的依赖配置-->
</dependencies>
  <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

dubbo-modle

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
  //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
    <parent>
        <groupId>com.dubboOne</groupId>
        <artifactId>dubboone</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <relativePath/>
    </parent>
    <groupId>com.dubboone.modle</groupId>
    <artifactId>dubboone-modle</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>dubboone-modle</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <mybatis-spring-boot.version>1.1.1</mybatis-spring-boot.version>
        <mybatis-pagehelper.version>4.1.2</mybatis-pagehelper.version>
    </properties>

    <dependencies>
     //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
        <!--api-->
        <dependency>
            <groupId>com.dubboOne.api</groupId>
            <artifactId>dubboone-api</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>

        <!--spring-mybatis-->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>${mybatis-spring-boot.version}</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

dubboone-server

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
   //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
    <parent>
        <groupId>com.dubboOne</groupId>
        <artifactId>dubboone</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <relativePath/>
    </parent>
    <groupId>com.dubboone.server</groupId>
    <artifactId>dubboone-server</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>dubboone-server</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <start-class>com.debug.mooc.dubbo.one.server.BootMoreApplication</start-class>

        <!--<spring-boot.version>1.3.3.RELEASE</spring-boot.version>-->
        <spring-boot.version>2.0.5.RELEASE</spring-boot.version>
        <spring-session.version>1.2.0.RELEASE</spring-session.version>
        <slf4j.version>1.7.13</slf4j.version>
        <log4j.version>1.2.17</log4j.version>
        <mysql.version>5.1.37</mysql.version>
        <druid.version>1.0.16</druid.version>
        <guava.version>19.0</guava.version>
        <joda-time.version>2.9.2</joda-time.version>
        <cglib.version>3.1</cglib.version>
        <zookeeper.version>3.4.10</zookeeper.version>
        <curator.version>2.12.0</curator.version>
        <resteasy.version>3.0.7.Final</resteasy.version>
        <okhttp.version>3.1.2</okhttp.version>
        <gson.version>2.6.1</gson.version>
        <httpclient.version>4.3.6</httpclient.version>
    </properties>
    <!--依赖配置管理-->

    <!-- 依赖管理 -->
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>


    <!--maven依赖-->
    <dependencies>
            //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
        <!--model-->
        <dependency>
            <groupId>com.dubboone.modle</groupId>
            <artifactId>dubboone-modle</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <!--log-->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
        <!--guava-->
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>${guava.version}</version>
        </dependency>
        <!-- time -->
        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time</artifactId>
            <version>${joda-time.version}</version>
        </dependency>
        <!--mysql-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
        </dependency>
        <!--druid-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>${druid.version}</version>
        </dependency>

        <!-- jsp 支持 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <!--<scope>provided</scope>-->
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
            <!--<scope>provided</scope>-->
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>

    //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
        <!-- dubbo -->
        <!-- https://mvnrepository.com/artifact/com.alibaba.boot/dubbo-spring-boot-starter -->
        <dependency>
            <groupId>com.alibaba.boot</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
            <version>0.2.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>curator-framework</artifactId>
                    <groupId>org.apache.curator</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>curator-client</artifactId>
                    <groupId>org.apache.curator</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>guava</artifactId>
                    <groupId>com.google.guava</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>spring-web</artifactId>
                    <groupId>org.springframework</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>${cglib.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>asm</artifactId>
                    <groupId>org.ow2.asm</groupId>
                </exclusion>
            </exclusions>
        </dependency>
     //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
        <!-- zookeeper start -->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>${zookeeper.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>slf4j-log4j12</artifactId>
                    <groupId>org.slf4j</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.curator</groupId>
            <artifactId>curator-framework</artifactId>
            <version>${curator.version}</version>
        </dependency>
     //==>⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
        <!--dubbo rest-->
        <dependency>
            <groupId>org.jboss.resteasy</groupId>
            <artifactId>resteasy-jaxrs</artifactId>
            <version>${resteasy.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>httpclient</artifactId>
                    <groupId>org.apache.httpcomponents</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.jboss.resteasy</groupId>
            <artifactId>resteasy-netty</artifactId>
            <version>${resteasy.version}</version>
        </dependency>
        <dependency>
            <groupId>org.jboss.resteasy</groupId>
            <artifactId>resteasy-client</artifactId>
            <version>${resteasy.version}</version>
        </dependency>
        <dependency>
            <groupId>org.jboss.resteasy</groupId>
            <artifactId>resteasy-jackson-provider</artifactId>
            <version>${resteasy.version}</version>
        </dependency>
        <!--for test-->
        <!-- gson -->
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>${gson.version}</version>
        </dependency>
        <!-- okhttp -->
        <dependency>
            <groupId>com.squareup.okhttp3</groupId>
            <artifactId>okhttp</artifactId>
            <version>${okhttp.version}</version>
        </dependency>
    </dependencies>


    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

2.server :spring-dubbo.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

		http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!--发布出去的dubbo服务类所在包的注解-->
    <dubbo:annotation package="com.debug.mooc.dubbo.one.server.service.dubbo" />

    <!--注册中心zookeeper配置信息-->
    <dubbo:registry address="${dubbo.registry.address}" />

    <!--支持两种协议的调用：rpc-dubbo协议；http协议-rest api-url调用-->
    <dubbo:protocol name="rest" threads="500" contextpath="v1" server="tomcat" accepts="500"/>
    <dubbo:protocol name="dubbo" />

    <!--消费方信息配置-->
	<dubbo:application name="dubboOne-consume" owner="debug" organization="dubbox"/>


</beans>

##3.server :spring-jdbc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       " >

    <!--dubboOne -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close" primary="true" >
        <!-- 基本属性 url、user、password -->
        <property name="url" value="${datasource.url}" />
        <property name="username" value="${datasource.username}" />
        <property name="password" value="${datasource.password}" />

        <!-- 配置初始化大小、最小、最大 -->
        <property name="initialSize" value="10" />
        <property name="minIdle" value="10" />
        <property name="maxActive" value="20" />

        <!-- 配置获取连接等待超时的时间 -->
        <property name="maxWait" value="60000" />

        <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="60000" />

        <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="300000" />

        <property name="validationQuery" value="SELECT 1 " />
        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />

        <!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
        <property name="poolPreparedStatements" value="true" />
        <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />

        <!-- 配置监控统计拦截的filters，去掉后监控界面sql无法统计 -->
        <property name="filters" value="stat" />
    </bean>

    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

</beans>

4.application.properties

#profile
#spring.profiles.active=production
#spring.profiles.active=local

server.port=8093
#server.context-path=/dubboOne
server.servlet.context-path=/dubboOne

#logging
logging.path=E:\\logs\\mooc\\dubboOne\\logs
logging.file=dubboOne

logging.level.org.springframework = INFO
logging.level.com.fasterxml.jackson = INFO
logging.level.com.debug.mooc.dubbo.one = debug

#json\u5E8F\u5217\u5316\u914D\u7F6E
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=GMT+8

#spring.datasource.initialize=false
spring.datasource.initialization-mode=never
spring.jmx.enabled=false

#\u6570\u636E\u6E90\u914D\u7F6E
datasource.url=jdbc:mysql://127.0.0.1:3306/mooc_one?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull
datasource.username=root
datasource.password=linsen

#mybatis
mybatis.config-location=classpath:mybatis-config.xml
mybatis.checkConfigLocation = true
mybatis.mapper-locations=classpath:mappers/*.xml


#dubbo zookeeper\u914D\u7F6E\u4FE1\u606F
dubbo.registry.address=zookeeper://127.0.0.1:2181

5dubbo.properties

##
# Copyright 1999-2011 Alibaba Group.
#  
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#  
#      http://www.apache.org/licenses/LICENSE-2.0
#  
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
dubbo.container=log4j,spring
dubbo.reference.check=false
dubbo.registry.client=curator
dubbo.application.name=dubboOne-provider
dubbo.application.owner=debug

#dubbo\u652F\u6301\u7684dubbo\u534F\u8BAE\u914D\u7F6E
dubbo.protocol.name=dubbo
dubbo.protocol.dubbo.port=20903

#dubbo\u652F\u6301\u7684http rest api\u7684\u914D\u7F6E
dubbo.protocol.name=rest
dubbo.protocol.rest.port=9013
dubbo.protocol.rest.server=tomcat

dubbo.service.loadbalance=roundrobin

##6.log4j.xml

#Console Log
log4j.rootLogger=INFO,console,debug,info,warn,error

LOG_PATTERN=[%d{yyyy-MM-dd HH:mm:ss.SSS}] boot%X{context} - %5p [%t] --- %c{1}: %m%n

#A1--Print log to Console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.Threshold=DEBUG
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=${LOG_PATTERN}

log4j.appender.info=org.apache.log4j.DailyRollingFileAppender
log4j.appender.info.Threshold=INFO
log4j.appender.info.File=${LOG_PATH}/${LOG_FILE}_info.log
log4j.appender.info.DatePattern='.'yyyy-MM-dd
log4j.appender.info.layout = org.apache.log4j.PatternLayout
log4j.appender.info.layout.ConversionPattern=${LOG_PATTERN}

log4j.appender.error=org.apache.log4j.DailyRollingFileAppender
log4j.appender.error.Threshold=ERROR
log4j.appender.error.File=${LOG_PATH}/${LOG_FILE}_error.log
log4j.appender.error.DatePattern='.'yyyy-MM-dd
log4j.appender.error.layout = org.apache.log4j.PatternLayout
log4j.appender.error.layout.ConversionPattern=${LOG_PATTERN}


log4j.appender.debug=org.apache.log4j.DailyRollingFileAppender
log4j.appender.debug.Threshold=DEBUG
log4j.appender.debug.File=${LOG_PATH}/${LOG_FILE}_debug.log
log4j.appender.debug.DatePattern='.'yyyy-MM-dd
log4j.appender.debug.layout = org.apache.log4j.PatternLayout
log4j.appender.debug.layout.ConversionPattern=${LOG_PATTERN}

log4j.appender.warn=org.apache.log4j.DailyRollingFileAppender
log4j.appender.warn.Threshold=WARN
log4j.appender.warn.File=${LOG_PATH}/${LOG_FILE}_warn.log
log4j.appender.warn.DatePattern='.'yyyy-MM-dd
log4j.appender.warn.layout = org.apache.log4j.PatternLayout
log4j.appender.warn.layout.ConversionPattern=${LOG_PATTERN}

##7.mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <settings>
        <!-- Globally enables or disables any caches configured in any mapper under this configuration -->
        <setting name="cacheEnabled" value="true"/>
        <!-- Sets the number of seconds the driver will wait for a response from the database -->
        <setting name="defaultStatementTimeout" value="3000"/>
        <!-- Enables automatic mapping from classic database column names A_COLUMN to camel case classic Java property names aColumn -->
        <setting name="mapUnderscoreToCamelCase" value="true"/>
        <!-- Allows JDBC support for generated keys. A compatible driver is required.
        This setting forces generated keys to be used if set to true,
         as some drivers deny compatibility but still work -->
        <setting name="useGeneratedKeys" value="true"/>
        <!-- 设置控制台打印sql -->
        <!--<setting name="logImpl" value="stdout_logging" />-->
    </settings>

    <!-- Continue going here -->

    <!--<typeAliases>-->
        <!--<package name="cn.com.countrygarden.ucenter.entity"/>-->
    <!--</typeAliases>-->
    <plugins>
        <!-- com.github.pagehelper为PageHelper类所在包名 -->
        <plugin interceptor="com.github.pagehelper.PageHelper">
            <!-- 4.0.0以后版本可以不设置该参数 -->
            <property name="dialect" value="mysql"/>
            <!-- 该参数默认为false -->
            <!-- 设置为true时，会将RowBounds第一个参数offset当成pageNum页码使用 -->
            <!-- 和startPage中的pageNum效果一样-->
            <property name="offsetAsPageNum" value="true"/>
            <!-- 该参数默认为false -->
            <!-- 设置为true时，使用RowBounds分页会进行count查询 -->
            <property name="rowBoundsWithCount" value="true"/>
            <!-- 设置为true时，如果pageSize=0或者RowBounds.limit = 0就会查询出全部的结果 -->
            <!-- （相当于没有执行分页查询，但是返回结果仍然是Page类型）-->
            <property name="pageSizeZero" value="true"/>
            <!-- 3.3.0版本可用 - 分页参数合理化，默认false禁用 -->
            <!-- 启用合理化时，如果pageNum<1会查询第一页，如果pageNum>pages会查询最后一页 -->
            <!-- 禁用合理化时，如果pageNum<1或pageNum>pages会返回空数据 -->
            <property name="reasonable" value="false"/>
            <!-- 3.5.0版本可用 - 为了支持startPage(Object params)方法 -->
            <!-- 增加了一个`params`参数来配置参数映射，用于从Map或ServletRequest中取值 -->
            <!-- 可以配置pageNum,pageSize,count,pageSizeZero,reasonable,orderBy,不配置映射的用默认值 -->
            <!-- 不理解该含义的前提下，不要随便复制该配置 -->
            <!--<property name="params" value="pageNum=pageHelperStart;pageSize=pageHelperRows;"/>-->
            <!-- 支持通过Mapper接口参数来传递分页参数 -->
            <property name="supportMethodsArguments" value="false"/>
            <!-- always总是返回PageInfo类型,check检查返回类型是否为PageInfo,none返回Page -->
            <property name="returnPageInfo" value="none"/>
        </plugin>
    </plugins>

    <!--<mappers>-->
        <!--&lt;!&ndash;<package name="cn.com.countrygarden.ucenter.mapper" />&ndash;&gt;-->
        <!--<mapper resource="mappers/DiaryMapper.xml"/>-->
        <!--<mapper resource="mappers/EmpEvaluateMapper.xml"/>-->
        <!--<mapper resource="mappers/EmployeeMapper.xml"/>-->
        <!--<mapper resource="mappers/LikesMapper.xml"/>-->
        <!--<mapper resource="mappers/PicMapper.xml"/>-->
        <!--<mapper resource="mappers/RepliesMapper.xml"/>-->
        <!--<mapper resource="mappers/TeamMapper.xml"/>-->
        <!--<mapper resource="mappers/UserMapper.xml"/>-->
    <!--</mappers>-->
</configuration>

3.整合Dubbo和Zookeeper

---

---

application.properties:
dubbo.registry.address=zookeeper://127.0.0.1:2181、

#server.context-path=/dubboOne
server.servlet.context-path=/dubboOne

dubbo.properties
dubbo.container=log4j,spring
dubbo.reference.check=false
dubbo.registry.client=curator
dubbo.application.name=dubboOne-provider
dubbo.application.owner=debug
#dubbo\u652F\u6301\u7684dubbo\u534F\u8BAE\u914D\u7F6E
dubbo.protocol.name=dubbo
dubbo.protocol.dubbo.port=20903
#dubbo\u652F\u6301\u7684http rest api\u7684\u914D\u7F6E
dubbo.protocol.name=rest
dubbo.protocol.rest.port=9013
dubbo.protocol.rest.server=tomcat
dubbo.service.loadbalance=roundrobin

spring-dubbo
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

		http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!--发布出去的dubbo服务类所在包的注解-->
    <dubbo:annotation package="com.debug.mooc.dubbo.one.server.service.dubbo"/>

    <!--注册中心zookeeper配置信息-->
    <dubbo:registry address="${dubbo.registry.address}"/>

    <!--支持两种协议的调用：rpc-dubbo协议；http协议-rest api-url调用-->
    <dubbo:protocol name="rest" threads="500" contextpath="v1" server="tomcat" accepts="500"/>
    <dubbo:protocol name="dubbo"/>

    <!--消费方信息配置-->
    <dubbo:application name="dubboOne-consume" owner="debug" organization="dubbox"/>
</beans>

4 zookeeper的安装

./zkServer.sh