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浅析Thinkphp框架中运用phprpc扩展模式

Jun 13, 2016 pm 01:01 PM
action class php

浅析Thinkphp框架中应用phprpc扩展模式

这次的项目舍弃了原来使用Axis2做web服务端的方案,改用phprpc实现,其一是服务端的thinkphp已集成有该模式接口,其二是phprpc传输的数据流相对于普通WebService中的XML或JSON形式的数据量明显减少,而且因为数据量的关系解析速度明显比较快~~

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说实话,以前还真不知道有phprpc这个协议的,本打算使用sina的api的restlet形式开发,但自己写库的话会花比较多的时间,而现在轻量级的php框架支持rest的貌似只有cakephp,对于已经用tp部署的项目,实在是不情愿,这次偶尔在tp框架官网上徘徊一番~~忽然发现2.1RC版本有个新模式――phprpc。

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用了才知道,phprpc这东西真的不错~~赞一个

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但貌似这东西文档和案例比较的匮乏,而且tp框架也没有相应的教程和案例来使用这个模式(官方论坛里貌似也没有具体的使用方法http://bbs.thinkphp.cn/search.php?searchid=156&orderby=lastpost&ascdesc=desc&searchsubmit=yes)~~下面是我探索后写下的一些东西~~

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首先认识下phprpc协议,具体文档(http://www.phprpc.org/zh_CN/docs/);

进入正题:

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一、安装phprpc模式

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1、将phprpc模式的文件夹(在官方SDK下的AddOns中,有一个phprpc文件夹和phprpc.php文件)拷到think核心文件下的mode文件夹中。


2、将phprpc的php的SDK拷到think核心文件下的Vendor文件夹中(要重命名为phprpc)


3、在入口文件添加如下代码:

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define('THINK_MODE','PHPRPC'); 
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? 4、在配置文件中添加如下配置代码:

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'APP_PHPPRC_ACTIONS'=>'Account,Test,Topic,Timeline,User,Favorites,Follow'
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?这里的字符串是要发布为服务的Action,可以多个,用逗号隔开

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二、编写Action

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首先来看看这边的phprpc模式到底tp做了什么。以下代码摘自phprpc自带的app.class.php

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        Vendor('phpRPC.phprpc_server');
    	//实例化phprpc
    	$server = new PHPRPC_Server();
        $actions =  explode(',',C('APP_PHPPRC_ACTIONS'));
        foreach ($actions as $action){
       	    //$server -> setClass($action.'Action'); 
			$temp = $action.'Action';
			$methods = get_class_methods($temp);
			$server->add($methods,new $temp);
	}
	$server->setDebugMode(true);  
	$server->setEnableGZIP(true);
	$server->start();
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? 这里导入了vendor里的phprpc核心类,再对每个在配置文件里要求发布的Action进行遍历,使所有的public方法全部发布。

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在这里(http://bbs.thinkphp.cn/viewthread.php?tid=21593&highlight=phprpc)论坛中提到了在Action中start一个服务端,这其实是行不通的。上面的就是很好的解释,所以在所有的Action 的方法中只要有参数传入和参数return便可以以phprpc协议发布。

实例:

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class TestAction extends Action{
	
	/**
	 * 
	 * 测试欢迎
	 * @param string $name
	 */
	function hello($name) {  
    	return 'Hello ' . $name;  
	} 

}
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三、关于Model not find的问题

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假使在上述Action中调用M()工厂方法,会出现Model找不到的现象,这个问题搞了我很久,后来被我找到了解决方案在mode文件夹下的phprpc.php文件中加入:

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THINK_PATH.'/Lib/Think/Core/Model.class.php', // 模型类
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?这一配置项,对于视图模型找不到的现象的方法也是如此,下面是修改版的phprpc.php文件

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return array(
    THINK_PATH.'/Common/functions.php',   // 系统函数库
    THINK_PATH.'/Lib/Think/Core/Think.class.php',
    THINK_PATH.'/Lib/Think/Exception/ThinkException.class.php',// 异常处理
    THINK_PATH.'/Lib/Think/Core/Log.class.php',// 日志处理
    THINK_PATH.'/Mode/Phprpc/App.class.php', // 应用程序类
    THINK_PATH.'/Mode/Phprpc/Action.class.php',// 控制器类
    THINK_PATH.'/Lib/Think/Core/Model.class.php', // 模型类
    THINK_PATH.'/Lib/Think/Core/Model/ViewModel.class.php', // 视图模型类
    THINK_PATH.'/Mode/Phprpc/alias.php', // 加载别名
);
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四、关于Action方法返回问题

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返回参数统一都是用return;

返回字符串可以用echo;

返回异常可以直接抛出异常throw new Exception('string', 1);

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基本上载tp框架中使用phprpc模式的步骤就是这么几步~~大概等tp的后续版本应该会提供这方面的文档以供学习,也不用我们一点点的摸索了,不过最希望的还是tp能出个restlet模式~~哈哈

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