如何用php写app接口[原创]

2022-12-17 16:33:47

人生就如一列永不停止的列车，no one knows when or where to stop.总有那些美好，值得永远怀念。也总有那些希望，值得你无怨无悔的付出，追逐。去年年底带着女儿一起坐火车会湖北老家，她在火车上，三岁的样子，活泼，调皮，可爱的样子，永远停在那儿，不会有一样的了吧。cherish this memory forever.

现在app这么火，作为一个phper，应该知道如何写app的接口，下面做一个讲解。

Index:

第1章 APP接口简介
-
第2章封装通信接口方法

2-1 JSON方式封装通信接口 (14:39)
2-2 PHP生成XML数据 (12:02)
2-3 XML方式封装通信接口 (17:50)
2-4 综合方式封装通信数据方法 (11:15)

-
第3章核心技术

3-1 静态缓存 (17:16)
3-2 Memcache和Redis缓存技术 (24:07)
3-3 定时任务 (16:46)

-
第4章 APP接口实例

4-1 单例模式连接数据库 (18:29)
4-2 首页APP接口开发之方案一（上） (15:49)
4-3 首页APP接口开发之方案一（下） (11:03)
4-4 读取缓存方式开发首页接口 (19:21)
4-5 定时读取缓存方式开发首页接口 (16:32)
最近学习
4-6 版本升级分析及数据表设计 (08:15)
4-7 版本升级接口开发及演示（上） (19:26)
4-8 版本升级接口开发及演示（下） (09:29)
4-9 APP错误日志接口 (13:22)

第一章 APP接口简介

　　什么是app接口？app接口就是用服务端程序如php写好的脚本，以供app客户端请求而获得数据的一个东西。比如一个视频app的首页，肯定有一些视频列表，那么当你打开这个app时，这个封装在app里的这个首页其实会去请求一个远程php文件如：http://www.example.com/index.php 去获得需要展示在首页的视频列表数据。前段工程师拿到这些数据，就会按照特定的设计，将这些内容展示出来了。

　　接口要实现的目的就是这样。一个app内部通常需要访问多个php接口来获得不同的数据。下面具体讲一讲接口实现的流程以及实现接口需要的一些核心的技术。

第2章封装通信接口方法

在正式的进入app接口学习之前，我们来回顾一下Php的接口知识，看下面代码：

interface.php

<?php

    /**

     *@description php接口回顾

     *@author doubi

     *@date 2015/07/19

     */    

    interface People{

        public function say();

        public function dance();

    }

    interface Animal{

        public function bite();

    }

    class Man implements People{

        public function say(){

            echo 'i can say';

        }    

        public function dance(){

            echo 'i can dance';

        }

    }

    class Woman implements People{

        public function say(){

            echo 'i can say girl voice';

        }    

        public function dance(){

            echo 'i can dance like a goose';

        }

    }

    class Bird implements Animal{

        public function bite(){

            echo 'i can bite';

        }

    }

    class Hybreed implements People,Animal{

        public function say(){

            echo 'i can say';

        }

        public function dance(){

            echo 'i can dance';

        }

        public function bite(){

            echo 'i can bite';

        }

    }

    $hybreed = new Hybreed;

    echo $hybreed->say()."\r\n";

    echo $hybreed->dance()."\r\n";

    echo $hybreed->bite()."\r\n";

接口存在的意义就是实现“多重继承”，准确的来说应该就做“多重实现“，因为一个php类只能有一个父类，而一个类却可以实现多个接口，就像上面代码interface.php中的Hybreed类，即实现了people接口，又实现了Animal接口，而通过这种多重继承，最终的$hybreed即获得了人类的say和dance的方法，又获得了动物的bite方法。而Man类和Woman类分别实现People的接口，采用不同的内容去重写了say和dance方法，正是一种多态的体现。

现在主流的通信接口返回的数据主要有JSON和XML两种格式。这两种格式各有优缺点。JSON的优势是生成方便，体积小，更便于传输，缺点是不便于阅读。而XML的优点是便于阅读，但是体积大，生成较JSON要麻烦的多。

2-1 JSON方式封装通信接口 (14:39)

先上代码：

response.class.php

<?php

/**

 *description 用于返回指定数据格式的类

 *@param $code [int] 返回的状态码

 *@param $message [string] 返回的状态信息

 *@param $data [array] 需要返回的数据

 *

 */

class Response{

    public function json($code,$message,$data){

        $result = array(

                "code" => $code,

                "message" => $message,

                "data" => $data

            );

        return json_encode($result);

    }

}

response.class.php是一个最简单的返回json格式数据的类,在下面的课程中我们会进一步对其进行完善。

下面贴出接口文件代码：

returndata.php

<?php

require "response.class.php";    //引入返回信息类

//准备返回数据

$code = 200;

$message = "信息请求成功";

$data = array(

        "name" => "ruanwnewu",

        "sex"  => "1",

        "age"  => "28",

        "exp" => array(

                "2012" => "北京瑞泰新",

                "2013" => "兄弟连",

                "2014" => "木蚂蚁科技"

            )

    );

//实例化response类

$response = new Response;

//返回数据

echo $response -> json($code,$message,$data);

请求returndata.php接口返回的数据如下图所示：

aaarticlea/png;base64,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" alt="" />

这样就完成了一个最基本的，封装好的json数据通信接口。

2-2 PHP生成XML数据 (12:02)

生成XML格式数据一般有三种方法：

拼接字符串
domDocument
simpleXML

在这里我只讲解第一种方法生成XML数据的方法。上代码：

producexml.php

<?php

header('Content-Type:text/xml');

$xml = '<?xml version="1.0" encoding="utf-8" ?>';

$xml .= '<res>';

$xml .= '<code>404</code>'."\r\n";

$xml .= '<message>数据返回成功</message>'."\r\n";

$xml .= '<data>'."\r\n";

$xml .= '<name>软文无</name>'."\r\n";

$xml .= '<sex>1</sex>'."\r\n";

$xml .= '<age>28</age>'."\r\n";

$xml .= '</data>';

$xml .= '</res>';

echo $xml;

2-3 XML方式封装通信接口 (17:50)

上代码：

<?php

/**
 *description 用于返回指定数据格式的类
 *@param $code [int] 返回的状态码
 *@param $message [string] 返回的状态信息
 *@param $data [array] 需要返回的数据
 */

class Response{
    public function json($code,$message,$data){
        $result = array(
                "code" => $code,
                "message" => $message,
                "data" => $data
            );
        return json_encode($result);
    }
    
    public function xml($code,$message,$data){
        $result = array(
                "code" => $code,
                "message" => $message,
                "data" => $data
            );
        header('Content-Type:text/xml');
        $xml = "<?xml version='1.0' encoding='UTF-8'?>\n";
        $xml .= "<root>";
        $xml .= self::encodeXml($result);
        $xml .= "</root>";
        return $xml;
    }
    
    /**
     *将数据解析为XML字符串
     */
    
    public static function encodeXml($data){
        $attr = $xml = "";
        foreach($data as $key => $value){
                if(is_numeric($key)){
                    $attr = " id='{$key}'";
                    $key = "item";
                }
                $xml .= "<{$key}{$attr}>";
                $xml .= is_array($value)?self::encodeXml($value):$value;
                $xml .= "</$key>";
        }
        return $xml;
    }
    
}

同样用returndata.php调用该接口：

<?php

require "response.class.php";    //引入返回信息类

//准备返回数据

$code = 200;

$message = "信息请求成功";

$data = array(

        "name" => "ruanwnewu",

        "sex"  => "1",

        "age"  => "28",

        "exp" => array(

                "2012" => "北京瑞泰新",

                "2013" => "兄弟连",

                "2014" => "木蚂蚁科技"

            )

    );

//实例化response类

$response = new Response;

//返回数据

echo $response -> xml($code,$message,$data);

得到如下图所示的XML文件结果

aaarticlea/png;base64,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" alt="" />

2-4 综合方式封装通信数据方法 (11:15)

将两种封装方法综合起来，并能够根据请求的参数来返回指定格式的数据,上代码：

完善后的response类

<?php

/**

 *description 用于返回指定数据格式的类

 *@param $code [int] 返回的状态码

 *@param $message [string] 返回的状态信息

 *@param $data [array] 需要返回的数据

 */

class Response{

    public function show($code,$message,$data,$type="json"){

        if($type == "json"){

            $this->json($code,$message,$data);

        }else{

            $this->xml($code,$message,$data);

        }

    }

    public function json($code,$message,$data){

        $result = array(

                "code" => $code,

                "message" => $message,

                "data" => $data

            );

        return json_encode($result);

    }

    public function xml($code,$message,$data){

        $result = array(

                "code" => $code,

                "message" => $message,

                "data" => $data

            );

        header('Content-Type:text/xml');

        $xml = "<?xml version='1.0' encoding='UTF-8'?>\n";

        $xml .= "<root>";

        $xml .= self::encodeXml($result);

        $xml .= "</root>";

        return $xml;

    }

    /**

     *将数据解析为XML字符串

     */

    public static function encodeXml($data){

        $attr = $xml = "";

        foreach($data as $key => $value){

                if(is_numeric($key)){

                    $attr = " id='{$key}'";

                    $key = "item";

                }

                $xml .= "<{$key}{$attr}>";

                $xml .= is_array($value)?self::encodeXml($value):$value;

                $xml .= "</$key>";

        }

        return $xml;

    }

}

未完待续。。。

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