thinkphp安装配置sharding-sphere

安装ShardingSphere-PHP

1. 下载ShardingSphere-PHP

从ShardingSphere官网下载ShardingSphere-PHP的源代码，解压到Web服务器的根目录下，例如/var/www/html/sharding-sphere-php。

2. 安装Composer

Composer是PHP中最流行的依赖管理工具，需要先安装Composer。

可以使用以下命令在Linux环境中安装：

curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer

3. 安装ShardingSphere-PHP依赖

在sharding-sphere-php目录下执行以下命令安装依赖：

composer install

配置ShardingSphere-PHP

在ShardingSphere-PHP中，需要配置ShardingSphere-JDBC的数据源和分片规则，然后配置ShardingSphere-PHP的数据源和分片规则。

1. 配置ShardingSphere-JDBC的数据源和分片规则

在ShardingSphere-JDBC的配置文件中，配置数据源和分片规则，例如：

# 数据源配置
spring.shardingsphere.datasource.names=ds0,ds1

spring.shardingsphere.datasource.ds0.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.ds0.driver-class-name=com.mysql.jdbc.Driver
spring.shardingsphere.datasource.ds0.jdbc-url=jdbc:mysql://localhost:3306/db0?serverTimezone=UTC&useSSL=false
spring.shardingsphere.datasource.ds0.username=root
spring.shardingsphere.datasource.ds0.password=123456

spring.shardingsphere.datasource.ds1.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.ds1.driver-class-name=com.mysql.jdbc.Driver
spring.shardingsphere.datasource.ds1.jdbc-url=jdbc:mysql://localhost:3306/db1?serverTimezone=UTC&useSSL=false
spring.shardingsphere.datasource.ds1.username=root
spring.shardingsphere.datasource.ds1.password=123456

# 分片规则配置
spring.shardingsphere.sharding.default-database-strategy.inline.sharding-column=id
spring.shardingsphere.sharding.default-database-strategy.inline.algorithm-expression=ds${id % 2}

spring.shardingsphere.sharding.tables.user.actual-data-nodes=ds${0..1}.user
spring.shardingsphere.sharding.tables.user.table-strategy.inline.sharding-column=id
spring.shardingsphere.sharding.tables.user.table-strategy.inline.algorithm-expression=user${id % 2}

2. 配置ShardingSphere-PHP的数据源和分片规则

在ShardingSphere-PHP的配置文件中，配置数据源和分片规则，例如：

// 数据源配置
$shardingDataSourceConfig = new ShardingDataSourceConfiguration();
$shardingDataSourceConfig->getShardingRuleConfiguration()->getTableRuleConfigs()['user'] = new ShardingTableRuleConfiguration('user', 'ds${0..1}.user', 'id', new InlineShardingAlgorithm('id', 'user${id % 2}'));
$shardingDataSourceConfig->getShardingRuleConfiguration()->getDefaultDatabaseShardingStrategyConfig() = new InlineShardingStrategyConfiguration('id', 'ds${id % 2}');

$shardingDataSourceConfig->getDataSourceConfiguration()->getDataSourceConfigs()['ds0'] = new DataSourceConfiguration('mysql:host=localhost;port=3306;dbname=db0', 'root', '123456');
$shardingDataSourceConfig->getDataSourceConfiguration()->getDataSourceConfigs()['ds1'] = new DataSourceConfiguration('mysql:host=localhost;port=3306;dbname=db1', 'root', '123456');

// 创建数据源
$shardingDataSource = new ShardingDataSource($shardingDataSourceConfig);

这里的ShardingDataSourceConfiguration和ShardingDataSource是ShardingSphere-PHP提供的类，用于配置和创建ShardingSphere数据源。

使用ShardingSphere-PHP

配置好ShardingSphere-PHP后，就可以使用ShardingSphere-PHP操作分片数据库了。例如：

// 插入数据
$statement = $shardingDataSource->getConnection()->prepare('INSERT INTO user (id, name) VALUES (?, ?)');
$statement->bindValue(1, 1);
$statement->bindValue(2, 'Alice');
$statement->execute();

// 查询数据
$statement = $shardingDataSource->getConnection()->prepare('SELECT * FROM user WHERE id = ?');
$statement->bindValue(1, 1);
$statement->execute();
$row = $statement->fetch(PDO::FETCH_ASSOC);

这里的$shardingDataSource是ShardingSphere-PHP创建的数据源，可以使用PDO API进行操作。注意，在ShardingSphere-PHP中，对于分片的表，需要使用分片键进行操作，否则会出现数据不一致的情况。