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Home Backend Development PHP Tutorial php写api有什么需要注意的嘛?

php写api有什么需要注意的嘛?

Jun 06, 2016 pm 08:22 PM
api php

第一次写api程序,用的原生php,没有restful要求。如果只实现功能返回json数据的话感觉很容易就能实现大部分功能,那么除了功能实现之外需要注意什么问题呢?新手求指导。。已经贴上代码 一共4个文件

<code><?php class Response {
    /**
     *按json方式输出通信数据
     * @param integer $code 状态码
     * @param string $message 提示信息
     * @param array $data 数据
    */
    public static function show($code,$message = '', $data = array()){
        if(!is_numeric($code)){
            return '';
        }
        
        $result = array(
            'code' => $code,
            'message' => $message,
            'data' => $data
        );
        
        echo json_encode($result);
    }
}</code>
Copy after login
Copy after login
<code><?php /*
 * 单例模式 数据库连接
 */
require_once ('Response.php');
class Db {
    static  private $_instance;
    static private $_connectSource;
    private $_DbConfig = array(
        'host' => 'localhost',
        'user' => 'root',
        'password' => 'xxx',
        'database' => 'sportsstore'
    );

    private function __construct() {
    }
    
    static public function getInstace(){
        if(!(self::$_instance instanceof self)){
            self::$_instance = new self();
        }
        return self::$_instance;
    }
    
    public function connect(){
        if(!self::$_connectSource)
        {
            self::$_connectSource = mysqli_connect($this->_DbConfig['host'], $this->_DbConfig['user'], 
                    $this->_DbConfig['password'],$this->_DbConfig['database']);
            
            if(!self::$_connectSource){
                throw new Exception("mysql connect error" . mysql_errno());
            }
        }
        return self::$_connectSource;
    }
}
</code>
Copy after login
Copy after login

这个是登录的代码

<code>/*
*login.phh 登录接口
*/
<?php require_once ('Db.php');
require_once ('Response.php');

try{
    $link = Db::getInstace()->connect();
} catch (Exception $ex) {
    return Response::show(402,"数据库连接失败");
}
$account = mysqli_real_escape_string($link, trim($_POST['account']));
$password = mysqli_real_escape_string($link, trim($_POST['password']));
$query = "select * from users where account = \"$account\"";
$result = mysqli_query($link, $query);
if(mysqli_num_rows($result)==1){
    $row = mysqli_fetch_array($result);
    if($row['password'] == $password){
        return Response::show(200, '登录成功');
    }else{
        return Response::show(202,'密码不正确');
    }
}else{
    return Response::show(201,'账户不存在');
}</code>
Copy after login
Copy after login
<code>/*
*getPersonalInfo.phh 查询个人信息接口
*/
<?php require_once ('Db.php');
require_once ('Response.php');

try{
    $link = Db::getInstace()->connect();
} catch (Exception $ex) {
    return Response::show(402,'数据库连接失败');
}

$account = isset($_GET['account']) ? mysqli_real_escape_string($link, trim($_GET['account'])) : null;
if($account === null){
    return Response::show(401,'未登录');
}

$query = "select * from users where account=\"$account\"";
$result = mysqli_query($link, $query);
$row = mysqli_fetch_assoc($result);
return Response::show(200,"操作成功",$row);</code>
Copy after login
Copy after login

回复内容:

第一次写api程序,用的原生php,没有restful要求。如果只实现功能返回json数据的话感觉很容易就能实现大部分功能,那么除了功能实现之外需要注意什么问题呢?新手求指导。。已经贴上代码 一共4个文件

<code><?php class Response {
    /**
     *按json方式输出通信数据
     * @param integer $code 状态码
     * @param string $message 提示信息
     * @param array $data 数据
    */
    public static function show($code,$message = '', $data = array()){
        if(!is_numeric($code)){
            return '';
        }
        
        $result = array(
            'code' => $code,
            'message' => $message,
            'data' => $data
        );
        
        echo json_encode($result);
    }
}</code>
Copy after login
Copy after login
<code><?php /*
 * 单例模式 数据库连接
 */
require_once ('Response.php');
class Db {
    static  private $_instance;
    static private $_connectSource;
    private $_DbConfig = array(
        'host' => 'localhost',
        'user' => 'root',
        'password' => 'xxx',
        'database' => 'sportsstore'
    );

    private function __construct() {
    }
    
    static public function getInstace(){
        if(!(self::$_instance instanceof self)){
            self::$_instance = new self();
        }
        return self::$_instance;
    }
    
    public function connect(){
        if(!self::$_connectSource)
        {
            self::$_connectSource = mysqli_connect($this->_DbConfig['host'], $this->_DbConfig['user'], 
                    $this->_DbConfig['password'],$this->_DbConfig['database']);
            
            if(!self::$_connectSource){
                throw new Exception("mysql connect error" . mysql_errno());
            }
        }
        return self::$_connectSource;
    }
}
</code>
Copy after login
Copy after login

这个是登录的代码

<code>/*
*login.phh 登录接口
*/
<?php require_once ('Db.php');
require_once ('Response.php');

try{
    $link = Db::getInstace()->connect();
} catch (Exception $ex) {
    return Response::show(402,"数据库连接失败");
}
$account = mysqli_real_escape_string($link, trim($_POST['account']));
$password = mysqli_real_escape_string($link, trim($_POST['password']));
$query = "select * from users where account = \"$account\"";
$result = mysqli_query($link, $query);
if(mysqli_num_rows($result)==1){
    $row = mysqli_fetch_array($result);
    if($row['password'] == $password){
        return Response::show(200, '登录成功');
    }else{
        return Response::show(202,'密码不正确');
    }
}else{
    return Response::show(201,'账户不存在');
}</code>
Copy after login
Copy after login
<code>/*
*getPersonalInfo.phh 查询个人信息接口
*/
<?php require_once ('Db.php');
require_once ('Response.php');

try{
    $link = Db::getInstace()->connect();
} catch (Exception $ex) {
    return Response::show(402,'数据库连接失败');
}

$account = isset($_GET['account']) ? mysqli_real_escape_string($link, trim($_GET['account'])) : null;
if($account === null){
    return Response::show(401,'未登录');
}

$query = "select * from users where account=\"$account\"";
$result = mysqli_query($link, $query);
$row = mysqli_fetch_assoc($result);
return Response::show(200,"操作成功",$row);</code>
Copy after login
Copy after login


Update

  • 数据完整

  • 语义简洁

  • 版本可控

  • 响应灵活

  • 安全可靠(https可以考虑,token机制,ip白名单等)

  • 响应速度

  • 风格统一(不要隔三差五就变,返回的格式统一)

记住一点,不要写json_ecode($array);exit;这样的代码就好。
用自己轻量级的类似apiRespnse($data) 分装,虽然你只返回json.

楼上说的不错,我再加一条。
格式统一

比如返回的数据一定带一个统一名称的“请求状态结果”,比如返回的数据一定统一放一个变量里。
避免出现前台不同的地方要判断不同的名字。

注册的接口 还有抽奖的接口 必须安全性得到保障,防止恶意刷!!!

你先贴上你的代码。我也学习一下。

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