1.ceshi.php
<?php
/**
* 发起http post请求(REST API), 并获取REST请求的结果
* @param string $url
* @param string $param
* @return - http response body if succeeds, else false.
*/
header("Content-Type: text/html; charset=UTF-8");
function request_post($url = '', $param = '')
{
if (empty($url) || empty($param)) {
return false;
}
$postUrl = $url;
$curlPost = $param;
// 初始化curl
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $postUrl);
curl_setopt($curl, CURLOPT_HEADER, 0);
// 要求结果为字符串且输出到屏幕上
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
// post提交方式
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
// 运行curl
$data = curl_exec($curl);
curl_close($curl);
return $data;
}
//获取access_token
include 'curl.php';
$curl = new Curl();
$access_token = $curl->access_token();
//定义参数并去请求api
$url = 'https://aip.baidubce.com/rest/2.0/ocr/v1/general?access_token=' . $access_token;
$img = file_get_contents('1.png');
$img = base64_encode($img);
$bodys = array(
"image" => $img
);
$data = json_decode(request_post($url, $bodys));//解码json数据
//重定义数据
$arr = array();
foreach ($data->words_result as $k=>&$v){
$arr[]=$v->words;
}
//转换成字符串
var_dump(json_encode($arr));
2.curl.php
<?php
class Curl{
public function _request($curl, $https = true,$method='GET',$data = null){
$ch = curl_init();//初始化curl
curl_setopt($ch, CURLOPT_URL, $curl);
curl_setopt($ch, CURLOPT_HEADER, FALSE);//CURLOPT_HEADER 设置头部
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);//设置内容
if($https){
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//是否进行服务器主机验证 不验证
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);//是否验证证书 验证
if($method == 'POST'){
curl_setopt($ch,CURLOPT_POST , true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);//设置数据
}
$content = curl_exec($ch);//得到一个值
curl_close($ch);//关闭资源 释放
return $content;//返回得到的值
}
}
/**
* 获取API访问授权码
* @param ak: ak from baidu cloud app
* @param sk: sk from baidu cloud app
* @return - access_token string if succeeds, else false.
*/
public function access_token(){
//密钥
$ak = 'HPxjQ2nR0ClpNG9sXWBqGp47';
$sk = 'n7wsd5Le0hFExb5G2gs0LptPAdSeDUPR';
//请求地址
$url = 'https://aip.baidubce.com/oauth/2.0/token';
//参数
$post_data = array();
$post_data['grant_type'] = 'client_credentials';
$post_data['client_id'] = $ak;
$post_data['client_secret'] = $sk;
//请求方法
$res = $this->_request($url,true,'POST',$post_data);
$res = json_decode($res, true);
return $res['access_token'];
}
}
?>