1、新建aliyunsms.php,放在D:\MYOA\webroot\task目录下

<?php
include_once "task/auth.php";
include_once 'inc/utility_all.php';
$query = "SELECT * from OFFICE_TASK where TASK_CODE='aliyunsms'";
$cursor = exequery(TD::conn(), $query);

if (!$cursor) {
	echo "-ERR " . get_err_msg($query, $TASK_ID);
	exit();
}

if ($ROW = mysql_fetch_array($cursor)) {
	$INTERVAL = $ROW["INTERVAL"];
}

$INTERVAL += 1;
$SMS_ID_STR = "";
$query = "SELECT SMS_ID,PHONE,CONTENT from SMS2 where SEND_FLAG='0' group by SMS_ID";
$cursor = exequery(TD::conn(), $query);
if (!$cursor) {
	echo "-ERR " . get_err_msg($query, $TASK_ID);
	exit();
}

while ($ROW = mysql_fetch_array($cursor)) {
	$SMS_ID_STR = $ROW["SMS_ID"];
	$SEND_TIME = gmdate ("Y-m-d\TH:i:s\Z",$ROW["SEND_TIME"]);
	$PHONE_STR = strToUtf8($ROW['PHONE']);
	$CONTENT_STR = strToUtf8($ROW['CONTENT']);
	$CONTENT_ARR = mbStrSplit($CONTENT_STR, 20);//阿里短信字符限制,个人认证 20,企业认证:联系客服取消字符限制
	//个人认证
	//$j=count($CONTENT_ARR);
	//for($i=0;$i<$j;$i++){
		//$result=SendSms($PHONE_STR,$CONTENT_ARR[i]);
        //}
	//企业认证
	$result=SendSms($PHONE_STR,$CONTENT_STR);	
	if($result['SendSmsResponse']['Code'] == 'OK'){
		$query = "UPDATE SMS2 SET SEND_FLAG='1' WHERE SMS_ID=".$SMS_ID_STR;
		$cursor = exequery(TD::conn(), $query);
	}
}


update_office_task($TASK_ID, "1", date("Y-m-d H:i:s", time()));
echo "+OK"; 
function mbStrSplit ($string, $len) {
        $start = 0;
        $strlen = mb_strlen($string);
        while ($strlen) {
            $array[] = mb_substr($string,$start,$len,"utf8");
            $string = mb_substr($string, $len, $strlen,"utf8");
            $strlen = mb_strlen($string);
        }
        return $array;
    }
function strToUtf8($str){
    $encode = mb_detect_encoding($str, array("ASCII",'UTF-8',"GB2312","GBK",'BIG5'));
    if($encode == 'UTF-8'){
        return $str;
    }else{
        return mb_convert_encoding($str, 'UTF-8', $encode);
    }
}

function sendSms($PHONE,$CONTENT) {

// 注意使用GMT时间
  
date_default_timezone_set("GMT");  
$target = "https://dysmsapi.aliyuncs.com/?";  
$dateTimeFormat = 'Y-m-d\TH:i:s\Z'; // ISO8601规范  
$accessKeyId = 'your Access Key ID';      // 这里填写您的Access Key ID  
$accessKeySecret = 'your Access Key Secret';  // 这里填写您的Access Key Secret  
$ParamString='{"content":"'.$CONTENT.'"}';  //短信模板变量

$data = array(  
    'AccessKeyId' => $accessKeyId,
    'Action' => 'SendSms',
    'Format' => 'XML', 
    'OutId' => '123', 
    'PhoneNumbers' => $PHONE,
    'RegionId' => 'cn-hangzhou',
    'SignName'=>'XXXX科技有限公司',
    'SignatureMethod' => 'HMAC-SHA1',
    'SignatureNonce'=> uniqid(),
    'SignatureVersion' => '1.0',
    'TemplateCode' => 'SMS_XXXXXX', 
    'TemplateParam' => $ParamString,
    'Timestamp' => date($dateTimeFormat),
    'Version' => '2017-05-25'
);  
// 计算签名并把签名结果加入请求参数  
$data['Signature'] = computeSignature($data, $accessKeySecret);  
// 发送请求     
    $result = xml_to_array(https_request($target.http_build_query($data))); 
	//header("Content-Type: text/plain; charset=utf-8"); // 输出为utf-8的文本格式,仅用于测 
    //print_r($result);
    //echo "<br><br>".$target . http_build_query($data);
	return $result; 
}
function https_request($url)  
    {  
    $curl = curl_init();  
    curl_setopt($curl, CURLOPT_URL, $url);  
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);  
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);  
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);  
    $data = curl_exec($curl);  
    if (curl_errno($curl)) {return 'ERROR '.curl_error($curl);}  
    curl_close($curl);  
    return $data;  
    }  
function xml_to_array($xml){  
    $reg = "/<(\w+)[^>]*>([\\x00-\\xFF]*)<\\/\\1>/";  
    if(preg_match_all($reg, $xml, $matches)){  
        $count = count($matches[0]);  
        for($i = 0; $i < $count; $i++){  
        $subxml= $matches[2][$i];  
        $key = $matches[1][$i];  
            if(preg_match( $reg, $subxml )){  
                $arr[$key] = xml_to_array( $subxml );  
            }else{  
                $arr[$key] = $subxml;  
            }  
        }  
    }  
    return @$arr;  
}   
  
function percentEncode($str)  
{  
    // 使用urlencode编码后,将"+","*","%7E"做替换即满足ECS API规定的编码规范  
    $res = urlencode($str);  
    $res = preg_replace('/\+/', '%20', $res);  
    $res = preg_replace('/\*/', '%2A', $res);  
    $res = preg_replace('/%7E/', '~', $res);  
    return $res;  
}  

function computeSignature($parameters, $accessKeySecret)  
{  
    // 将参数Key按字典顺序排序  
    ksort($parameters);  
    // 生成规范化请求字符串  
    $canonicalizedQueryString = '';  
    foreach($parameters as $key => $value)  
    {  
    $canonicalizedQueryString .= '&' . percentEncode($key)  
        . '=' . percentEncode($value);  
    }  
    // 生成用于计算签名的字符串 stringToSign  
    $stringToSign = 'GET&%2F&' . percentencode(substr($canonicalizedQueryString, 1));  
    //echo "<br>".$stringToSign."<br>";  
    // 计算签名,注意accessKeySecret后面要加上字符'&'  
    $signature = base64_encode(hash_hmac('sha1', $stringToSign, $accessKeySecret . '&', true));  
    return $signature;  
} 
?>

2、通达OA定时任务添加定时发送手机短信任务,

INSERT INTO `office_task` VALUES ( '0', 1, '00:00:00', '2021-3-3 13:58:53', 1, '2021-03-03 13:58:53', '/task/aliyunsms.php', '发送阿里短信', '定时发送短信到手机', 'aliyunsms', '1', '1', '', 0);

最终效果