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Example code of apollo-sdk/clientd

Informations about the package clientd

Ctrip Apollo PHP Client

说明

这个仓库基于apollo-sdk/config实现了常驻的阿波罗客户端，从指定阿波罗配置中心实时拉取应用的配置到本地， 通过json格式化之后缓存在本地目录

特性

安装（提供两种方式）

第一种基于git仓库运行

第二种基于phar包运行

启动（仅支持cli模式）

参数说明

cli启动参数

参数 说明 默认值
--server Apollo配置中心服务的地址 无
--conf-portal 读取额外参数配置的入口 无
-h 显示帮助信息 无
--help 同-h 无
--q 开启静默模式，屏蔽运行时日志 无
--quiet 同-q 无
--secret 访问密钥 无
--cluster-name 集群名 default
--skip-check-server 是否跳过启动时检查Apollo配置中心是否合法的检查 无
--conf-portal-separator conf-portal参数的分隔符 /

关于--conf-portal参数说明

--conf-portal参数用于将一些额外的参数（例如应用id，namespace信息等）保存在阿波罗配置中心， 这样就不必在apollo-clientd启动时写死了，这也减少了apollo-clientd启动参数个数， 程序会在启动的时候到这配置入口去读取配置，这个参数格式为appid/namespace/key，以下图作为例子说明

Screenshot

上图的参数为--conf-portal=apollo-sdk-clientd/hello_world/world

额外参数配置（json格式）

如果不在app_namespace_list里面配置应用的namespace列表（例如应用demo2和demo3）， 程序启动的时候会尝试通过以app_namespace_list_portal参数为入口读取namespace列表，格式如下： Screenshot

程序会通过这个namespace读取当前应用下的namespace列表

完整示意图如下（只需要把当前应用下的namespace都配置在入口即可）：

Screenshot

业务端读取配置

业务上需要读取阿波罗配置时，引入apollo-sdk/clientd这个composer包即可，参考以下步骤

代码上引入composer

例子：


<?php
require 'vendor/autoload.php';

$key = 'hello';//namespace下的各业务key
$appId = 'demo';//支持通过全局变量或者环境变量赋值，变量名为：APOLLO_SDK_APPID
$namespaceName = 'test';//支持通过全局变量或者环境变量赋值，变量名为：APOLLO_SDK_NAMESPACE_NAME
$saveConfigDir = '/data/apollo';//支持通过全局变量或者环境变量赋值，变量名为：APOLLO_SDK_SAVE_CONFIG_DIR

//1.传统传参方式
var_dump(\ApolloSdk\Helpers\get_config($key, '', $namespaceName, $appId, $saveConfigDir));

//2.常量配置方式（对于单应用id场景比较适用，不需要每个调用都传递重复的应用id参数和保存配置目录参数）
在框架入口处配置常量，例如laravel框架根目录public/index.php里面配置以下的值
defined('APOLLO_SDK_APPID', $appId);
defined('APOLLO_SDK_SAVE_CONFIG_DIR', $saveConfigDir);
//defined('APOLLO_SDK_NAMESPACE_NAME', $namespaceName);

//然后业务代码就可以不需要传递这些已经定义好的常量了
var_dump(\ApolloSdk\Helpers\get_config($key, '', $namespaceName);

All versions of clientd with dependencies

PHP Build Version
Package Version
Requires apollo-sdk/config Version ^1.0
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