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Sample Codes

Last updated: 2024-12-19 11:02:55

    Downloading SDK Codes

    Replace YOUR_SECRET_ID and YOUR_SECRET_KEY in the sample codes with your actual SecretId and SecretKey. The sample code is for reference only. Use them as needed.

    Sample Code in PHP

    <?php
    
    
    /***************When calling a API, change the following parameters depending on the API.*********************************/
    /*************Take the `DescribeInstances` API as an example to describe how to locate the CVM with the specified `instanceId`.*********/
    
    /*The URL address for the `DescribeInstances` API is “cvm.api.qcloud.com”, which is provided in the "1. API Description" chapter.*/
    $HttpUrl="cvm.api.qcloud.com";
    
    /*Unless otherwise specified, all APIs other than `MultipartUploadVodFile` support both GET and POST request methods. */
    $HttpMethod="GET"; 
    
    /*Whether HTTPS protocol is used. Most APIs are based on HTTPS protocol, except such APIs as `MultipartUploadVodFile`.*/
    $isHttps =true;
    
    /*Your key is required. You can obtain SecretId and $secretKey from https://console.tencentcloud.com/capi.*/
    $secretKey='XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX';
    
    
    /*The following five parameters are common to all APIs. However, for some APIs (e.g. `DescribeDeals`) that are not region-specific, the `Region` parameter is not required.*/
    $COMMON_PARAMS = array(
            'Nonce'=> rand(),
            'Timestamp'=>time(NULL),
            'Action'=>'DescribeInstances',
            'SecretId'=> 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
            'Region' =>'gz',
    );
    
    /*The following two parameters are specific to the `DescribeInstances` API, which are used to query the specified CVM list.
    $PRIVATE_PARAMS = array(
            'instanceIds.0'=> 'qcvm00001',
            'instanceIds.1'=> 'qcvm00002',
    );
    
    
    /***********************************************************************************/
    
    
    CreateRequest($HttpUrl,$HttpMethod,$COMMON_PARAMS,$secretKey, $PRIVATE_PARAMS, $isHttps);
    
    
    function CreateRequest($HttpUrl,$HttpMethod,$COMMON_PARAMS,$secretKey, $PRIVATE_PARAMS, $isHttps)
    {
        $FullHttpUrl = $HttpUrl."/v2/index.php";
    
        /***************Sort the request parameters in ascending lexicographical order by their names on a case-sensitive basis.*************/
        $ReqParaArray = array_merge($COMMON_PARAMS, $PRIVATE_PARAMS);
        ksort($ReqParaArray);
    
        /**********************************Generate original signature string.**********************************
         * Concatenate the request method, URL address and sorted request parameters into the following format to generate the original signature string. In this example, the original signature string is as follows: 
         * GETcvm.api.qcloud.com/v2/index.php?Action=DescribeInstances&Nonce=345122&Region=gz
         * &SecretId=AKIDz8krbsJ5yKBZQ	·1pn74WFkmLPx3gnPhESA&Timestamp=1408704141
         * &instanceIds.0=qcvm12345&instanceIds.1=qcvm56789
         * ****************************************************************************/
        $SigTxt = $HttpMethod.$FullHttpUrl."?";
    
        $isFirst = true;
        foreach ($ReqParaArray as $key => $value)
        {
            if (!$isFirst) 
            { 
                $SigTxt = $SigTxt."&";
            }
            $isFirst= false;
    
            /*During concatenating the original signature string, replace any "_" in a parameter name with "." */
            if(strpos($key, '_'))
            {
                $key = str_replace('_', '.', $key);
            }
    
            $SigTxt=$SigTxt.$key."=".$value;
        }
    
        /*********************Generate a Signature based on the original signature string $SigTxt.******************/
        $Signature = base64_encode(hash_hmac('sha1', $SigTxt, $secretKey, true));
    
    
        /*************Concatenate the request strings. The request parameters and the signature string need to be encoded using urlencode.*******************/
        $Req = "Signature=".urlencode($Signature);
        foreach ($ReqParaArray as $key => $value)
        {
            $Req=$Req."&".$key."=".urlencode($value);
        }
    
        /*********************************Send requests********************************/
        if($HttpMethod === 'GET')
        {
            if($isHttps === true)
            {
                $Req="https://".$FullHttpUrl."?".$Req;
            }
            else
            {
                $Req="http://".$FullHttpUrl."?".$Req;
            }
    
            $Rsp = file_get_contents($Req);
    
        }
        else
        {
            if($isHttps === true)
            {
                $Rsp= SendPost("https://".$FullHttpUrl,$Req,$isHttps);
            }
            else
            {
                $Rsp= SendPost("http://".$FullHttpUrl,$Req,$isHttps);
            }
        }
    
        var_export(json_decode($Rsp,true));
    }
    
    function SendPost($FullHttpUrl,$Req,$isHttps)
    {
    
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $Req);
    
            curl_setopt($ch, CURLOPT_URL, $FullHttpUrl);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            if ($isHttps === true) {
                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,  false);
                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,  false);
            }
    
            $result = curl_exec($ch);
    
            return $result;
    }
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