添加微信调用接口

.gitignore

@@ -4,4 +4,5 @@
 .project
 Application/Runtime
 %SystemDrive%/
-dump.rdb
+dump.rdb
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+uploadfile
\ No newline at end of file

Application/Home/Controller/WechatController.class.php

+<?php
+namespace Home\Controller;
+use Think\Controller;
+/*
+* 微信处理控制器
+*
+*/
+class WechatController extends BaseController
+{
+    public $appid = 'wx27a7a5c8d80d2cd8';
+    public $secret = 'a9dc1534c5985c9ad34d8b6fd3f7b2d5';
+
+    //小程序消息回复
+    public function respondMsg()
+    {   
+        if (isset($_GET['echostr'])) {
+            $this->valid();
+        }else{
+            if($this->checkSignature()) {
+                $postStr = file_get_contents("php://input");
+                if (!empty($postStr)){
+                    $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
+                    $fromUsername = $postObj->FromUserName;
+                    $toUsername = $postObj->ToUserName;
+                    $MsgType = $postObj->MsgType;
+                    $keyword = trim($postObj->Content);
+                    $time = time();
+        
+                    $token = $this->getToekn();
+                    $token = json_decode($token,true)['access_token'];
+        
+                    $posturl = 'https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token='.$token;
+                    /*$data = '{
+                                "touser":"'.$fromUsername.'",
+                                "msgtype":"text",
+                                "text":
+                                {
+                                     "content":"再见"
+                                }
+                            }';*/
+        
+                    $data = '{
+                                "touser":"'.$fromUsername.'",
+                                "msgtype":"image",
+                                "image":
+                                {
+                                  "media_id":"88DSz9hHd-7fc_PEZg9NH-O2bl7Jyp0fN-CRuCE0hxbWA3xzLuyUPNb2YxWrSF_2"
+                                }
+                            }';
+        
+                    //$data = json_encode($data);
+                    $re = $this->curlPost($posturl,$data,true);
+        
+                }
+            } else {
+                echo 'bad request';
+            }
+        }
+    }
+
+    public function getToekn() {
+    
+        $filepath = 'uploadfile/wechatToken.txt';
+        $url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid='.$this->appid.'&secret='.$this->secret;
+        //检查access_token是否过期
+        if(file_exists($filepath)) {
+            $fileTime = filemtime($filepath);
+            if(($fileTime+7000) < time()) {
+                $token = file_get_contents($url);
+                file_put_contents($filepath,$token);
+            } else {
+                $token = file_get_contents($filepath);
+            }
+        } else {
+            $token = file_get_contents($url);
+            file_put_contents($filepath,$token);
+        }
+        return $token;
+    }
+    
+    //o1SKVdH2mEU_7FpCo3xdQ-kjVp94eesikR3lU9rkUoqCTvTHZhSxDsw9PtSB38Jf
+    
+    protected function curlPost($url,$data='',$is_ssl = false) {
+        $ch = curl_init();
+        // 配置
+        curl_setopt($ch, CURLOPT_URL,$url);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_POST, 1);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
+        if ($is_ssl) {
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查
+            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // 从证书中检查SSL加密算法是否存在
+            curl_setopt($ch, CURLOPT_SSLVERSION, 1); // 设定SSL版本,微信时候使用1，否则报错
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+        }
+    
+        // 执行
+        $re = curl_exec($ch);
+    
+        // 关闭
+        curl_close($ch);
+        return $re;
+    }
+    
+    protected function valid() {
+        $echoStr = $_GET["echostr"];
+        if($this->checkSignature()){
+            header('content-type:text');
+            echo $echoStr;
+            exit;
+        }
+    }
+    
+    protected function checkSignature() {
+        $signature = isset($_GET["signature"]) ? $_GET["signature"] : '';
+        $timestamp = isset($_GET["timestamp"]) ? $_GET["timestamp"] : '';
+        $nonce = isset($_GET["nonce"]) ? $_GET["nonce"] : '';
+    
+        $token = 'lewan';
+        $tmpArr = array($token, $timestamp, $nonce);
+        sort($tmpArr, SORT_STRING);
+        $tmpStr = implode( $tmpArr );
+        $tmpStr = sha1( $tmpStr );
+    
+        if( $tmpStr == $signature ){
+            return true;
+        }else{
+            return false;
+        }
+    }
+
+}
+
+?>
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