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Method implementation of php ID card identification ORC

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Jul 05, 2018 pm 04:20 PM

ID card recognition

This article mainly introduces the implementation of the ORC method for php ID card identification. It has a certain reference value. Now I share it with you. Friends in need can refer to it.

Create an html first, and use Transfer the json format to a php file

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>身份证识别</title> 
<style> 
</style> 
<script> 
    window.onload = function(){ 
        var input = document.getElementById("demo_input"); 
        var result= document.getElementById("result"); 
        var img_area = document.getElementById("img_area"); 
        if ( typeof(FileReader) === &#39;undefined&#39; ){
            result.innerHTML = "抱歉，你的浏览器不支持 FileReader，请使用现代浏览器操作！"; 
            input.setAttribute(&#39;disabled&#39;,&#39;disabled&#39;); 
        }else{
            input.addEventListener(&#39;change&#39;,readFile,false);
        } 
    }
    function readFile(){
        var file = this.files[0]; 
        //这里我们判断下类型如果不是图片就返回 去掉就可以上传任意文件   
        if(!/image\/\w+/.test(file.type)){
            alert("请确保文件为图像类型"); 
            return false; 
        }
        var reader = new FileReader(); 
        reader.readAsDataURL(file); 
        console.log();
        reader.onload = function(e){ 
                result.innerHTML = this.result; 
                img_area.innerHTML = &#39;<p class="sitetip">图片img标签展示：</p><img src="&#39;+this.result+&#39;" alt=""/>&#39;; 
        }
    } 
</script> 
</head>
 
 
<body> 
    <form action="upload.php" method="post">
    <input type="file" value="sdgsdg" id="demo_input" /> 
    <textarea style=&#39;display: none;&#39; name="img" id="result" rows=30 cols=300></textarea> 
    <p id="img_area"></p> 
    <input type="submit" value="提交">
</form>
</body> 
</html>

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Create an upload.php

<?php
header("Content-Type: text/html; charset=UTF-8");
/**
 * base64图片上传
 * @param $base64_img
 * @return array
 */
$base64_img = trim($_POST[&#39;img&#39;]);
$up_dir = &#39;upload/&#39;;//存放在当前目录的upload文件夹下
$fi_dir = &#39;ok_upload/&#39;;//存放在当前目录的upload文件夹下
if(!file_exists($up_dir)){
    mkdir($up_dir,0777);
}
if(preg_match(&#39;/^(data:\s*image\/(\w+);base64,)/&#39;, $base64_img, $result)){
    $type = $result[2];
    if(in_array($type,array(&#39;pjpeg&#39;,&#39;jpeg&#39;,&#39;jpg&#39;,&#39;gif&#39;,&#39;bmp&#39;,&#39;png&#39;))){
        $new_file = $up_dir.date(&#39;YmdHis_&#39;).&#39;.&#39;.$type;
        if(file_put_contents($new_file, base64_decode(str_replace($result[1], &#39;&#39;, $base64_img)))){
 $img_path = str_replace(&#39;../../..&#39;, &#39;&#39;, $new_file);
$path   = &#39;upload/&#39;;
$data   = file_get_contents($img_path);
$base64 = base64_encode($data);
$appkey = &#39;LzJu1grfwH6UaDX2&#39;;
$params = array(
    &#39;app_id&#39;     => &#39;1106920947&#39;,
                &#39;image&#39;      => $base64,
                &#39;card_type&#39;  => &#39;0&#39;,
                &#39;time_stamp&#39; => strval(time()),
                &#39;nonce_str&#39;  => strval(rand()),
                &#39;sign&#39;       => &#39;&#39;,
);
$params[&#39;sign&#39;] = getReqSign($params, $appkey);
// 执行API调用
$url = &#39;https://api.ai.qq.com/fcgi-bin/ocr/ocr_idcardocr&#39;;//身份证识别OCR
$response = doHttpPost($url, $params);
            echo $response;die;
$arr = json_decode($response,true);
$photo = base64_decode($arr[&#39;data&#39;][&#39;image&#39;]);
if(!file_exists($fi_dir)){
    mkdir($fi_dir,0777);
}
$type = &#39;jpg&#39;;
    if(in_array($type,array(&#39;pjpeg&#39;,&#39;jpeg&#39;,&#39;jpg&#39;,&#39;gif&#39;,&#39;bmp&#39;,&#39;png&#39;))){
        $new_file = $fi_dir.date(&#39;YmdHis_&#39;).&#39;.&#39;.$type;
        if(file_put_contents($new_file, str_replace($result[1], &#39;&#39;, $photo))){
            $img_paths = str_replace(&#39;../../..&#39;, &#39;&#39;, $new_file);
            echo &#39;图片处理成功</br><img src="&#39; .$img_paths. &#39;">&#39;;
        }else{
            echo &#39;图片处理失败</br>&#39;;
        }
    }
        }else{
                    echo &#39;图片上传失败</br>&#39;;
        }
    }else{
        //文件类型错误
    echo &#39;图片上传类型错误&#39;;
    }
}else{
    //文件错误
    echo &#39;文件错误&#39;;
}

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// getReqSign ：根据 接口请求参数 和 应用密钥 计算 请求签名
// 参数说明
//   - $params：接口请求参数（特别注意：不同的接口，参数对一般不一样，请以具体接口要求为准）
//   - $appkey：应用密钥
// 返回数据
//   - 签名结果
function getReqSign($params /* 关联数组 */, $appkey /* 字符串*/)
{
    // 1. 字典升序排序
    ksort($params);
    // 2. 拼按URL键值对
    $str = &#39;&#39;;
    foreach ($params as $key => $value)
    {
        if ($value !== &#39;&#39;)
        {
            $str .= $key . &#39;=&#39; . urlencode($value) . &#39;&&#39;;
        }
    }
    // 3. 拼接app_key
    $str .= &#39;app_key=&#39; . $appkey;
    // 4. MD5运算+转换大写，得到请求签名
    $sign = strtoupper(md5($str));
    return $sign;
}

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// doHttpPost ：执行POST请求，并取回响应结果
// 参数说明
//   - $url   ：接口请求地址
//   - $params：完整接口请求参数（特别注意：不同的接口，参数对一般不一样，请以具体接口要求为准）
// 返回数据
//   - 返回false表示失败，否则表示API成功返回的HTTP BODY部分
function doHttpPost($url, $params)
{
    $curl = curl_init();
 
 
    $response = false;
    do
    {
        // 1. 设置HTTP URL (API地址)
        curl_setopt($curl, CURLOPT_URL, $url);
 
 
        // 2. 设置HTTP HEADER (表单POST)
        $head = array(
            &#39;Content-Type: application/x-www-form-urlencoded&#39;
        );
        curl_setopt($curl, CURLOPT_HTTPHEADER, $head);
 
 
        // 3. 设置HTTP BODY (URL键值对)
        $body = http_build_query($params);
        curl_setopt($curl, CURLOPT_POST, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $body);
 
 
        // 4. 调用API，获取响应结果
        curl_setopt($curl, CURLOPT_HEADER, false);
        curl_setopt($curl, CURLOPT_NOBODY, false);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        $response = curl_exec($curl);
        if ($response === false)
        {
            $response = false;
            break;
        }
 
 
        $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        if ($code != 200)
        {
            $response = false;
            break;
        }
    } while (0);
 
 
    curl_close($curl);
    return $response;
}

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This way you can identify the information on the ID card

The above is the entire article Content, I hope it will be helpful to everyone’s learning. For more related content, please pay attention to the PHP Chinese website!

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