下載Mycat 1.6 window版：

配置server.xml：

<?xml version="1.0" encoding="UTF-8"?>
<!-- - - 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. -->
<!DOCTYPE mycat:server SYSTEM "server.dtd">
<mycat:server xmlns:mycat="http://io.mycat/">
	<system>
 	<property name="serverPort">8066</property>
	<property name="defaultSqlParser">druidparser</property>

</system>

<user name="root">

	<property name="password">123456</property>

	<property name="schemas">MyCAT_DB</property>

</user>

</mycat:server>
 

配置schema.xml

<?xml version="1.0"?>
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/">
<schema name="MyCAT_DB" checkSQLschema="false" sqlMaxLimit="100">
		

		<!-- global table is auto cloned to all defined data nodes ,so can join
			with any table whose sharding node is in the same data node -->

		<table name="sam_test" primaryKey="id_"  dataNode="dn1,dn2" rule="rule2" />
		
		<!-- <table name="oc_call" primaryKey="ID" dataNode="dn1$0-743" rule="latest-month-calldate"
			/> -->
	</schema>
	<!-- <dataNode name="dn1$0-743" dataHost="localhost1" database="db$0-743"
		/> -->
	<dataNode name="dn1" dataHost="localhost1" database="mycat_test" />
	<dataNode name="dn2" dataHost="localhost2" database="mycat_test1" />
	<!--<dataNode name="dn4" dataHost="sequoiadb1" database="SAMPLE" />
	 <dataNode name="jdbc_dn1" dataHost="jdbchost" database="db1" />
	<dataNode	name="jdbc_dn2" dataHost="jdbchost" database="db2" />
	<dataNode name="jdbc_dn3" 	dataHost="jdbchost" database="db3" /> -->
	<dataHost name="localhost1" maxCon="1000" minCon="10" balance="0"
			  writeType="0" dbType="mysql" dbDriver="native" switchType="1"  slaveThreshold="100">
		<heartbeat>select user()</heartbeat>
		<!-- can have multi write hosts -->
		<writeHost host="hostM1" url="localhost:3306" user="root"
				   password="123456">
			<!-- can have multi read hosts -->
			<readHost host="hostS2" url="localhost:3306" user="root" password="123456" />
		</writeHost>
				  
		<!-- <writeHost host="hostM2" url="localhost:3316" user="root" password="123456"/> -->
	</dataHost>

		<dataHost name="localhost2" maxCon="1000" minCon="10" balance="0"
			  writeType="0" dbType="mysql" dbDriver="native" switchType="1"  slaveThreshold="100">
		<heartbeat>select user()</heartbeat>
		<!-- can have multi write hosts -->
		<writeHost host="hostM1" url="localhost:3306" user="root"
				   password="123456">
			<!-- can have multi read hosts -->
			<readHost host="hostS2" url="localhost:3306" user="root" password="123456" />
		</writeHost>
				  
		<!-- <writeHost host="hostM2" url="localhost:3316" user="root" password="123456"/> -->
	</dataHost>
</mycat:schema>
 

資料庫指令碼：

CREATE DATABASE /*!32312 IF NOT EXISTS*/`mycat_test` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `mycat_test`;

/*Table structure for table `sam_test` */

DROP TABLE IF EXISTS `sam_test`;

CREATE TABLE `sam_test` (
  `id_` int(4) NOT NULL AUTO_INCREMENT,
  `name_` varchar(64) NOT NULL,
  `user_id` bigint(4) NOT NULL,
  PRIMARY KEY (`id_`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
 

測試程式：https://pan.baidu.com/s/1qWr4AF6

修改：

啟動web,新增資料：

檢視：

資料庫實際儲存：

mycat_test:

mycat_test1:

select 查詢