支持最后请求参数记录并调用repeatRequest重放请求；增加set类方法链式请求支持；提供重放demo:demo/48_request_repeat.php

Author: Zjmainstay

demo/48_request_repeat.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * 简单的模拟登录示例
+ * @author Zjmainstay
+ * @website http://www.zjmainstay.cn
+ * @project https://github.com/Zjmainstay/php-curl
+ * 
+ * 访问登录页，提交登录表单，查看登录结果
+ */
+
+require_once __DIR__.'/../vendor/autoload.php';
+
+$autologin = new PHPCurl\CurlAutoLogin();
+
+$lineBreak = $autologin->getLineBreak();
+
+//获取登录态（失败）
+$curl = "curl 'http://demo.zjmainstay.cn/js/simpleAjax/loginResult.php'";
+$content = $autologin->execCurl($curl);
+echo 'Before Login: ' . $content . $lineBreak;
+
+//登录
+$username = 'Zjmainstay';
+$curl = "curl 'http://demo.zjmainstay.cn/js/simpleAjax/doPost.php' -H 'Host: demo.zjmainstay.cn' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:47.0) Gecko/20100101 Firefox/47.0' -H 'Accept: application/json, text/javascript, */*; q=0.01' -H 'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3' -H 'Accept-Encoding: gzip, deflate' -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' -H 'X-Requested-With: XMLHttpRequest' -H 'Referer: http://demo.zjmainstay.cn/js/simpleAjax/' -H 'Cookie: Hm_lvt_1526d5aecf5561ef9401f7c7b7842a97=1468327822,1468327904,1468341636,1468411918; Hm_lpvt_1526d5aecf5561ef9401f7c7b7842a97=1468421526' -H 'Connection: keep-alive' --data 'username=[username]'";
+$curl = str_replace('[username]', $username, $curl);
+$autologin->execCurl($curl, false, false, false);   //登录不需要记录最后请求参数
+
+//重放获取登录态
+$content = $autologin->repeatRequest();
+echo 'After Login: ' . $content . $lineBreak;

src/CurlAutoLogin.php

@@ -17,6 +17,8 @@ class CurlAutoLogin {
     protected $logPath = '';
     //全局opt
     protected $globalOpts = [];
+    //最后请求参数
+    protected $lastExecParams = [];
 
     public function __construct($logPath = '') {
         if(!empty($logPath) && is_writable($logPath)) {
@@ -33,16 +35,22 @@ public function __construct($logPath = '') {
     public function setGlobalOpts($opts = [])
     {
         $this->globalOpts += $opts;
+        return $this;
     }
 
     /**
      * 根据curl信息执行并解析结果
      * @param  string  $curlContent    利用Firefox浏览器复制cURL命令
      * @param  boolean $callbackBefore 对curl结果前置处理，如更换用户名、密码等
      * @param  boolean $callbackAfter  对采集结果后置处理，如解析结果的csrf token等
+     * @param  boolean $storeParams    是否存储最后请求参数供重放使用，默认存储
      * @return mixed
      */
-    public function execCurl($curlContent, $callbackBefore = false, $callbackAfter = false) {
+    public function execCurl($curlContent, $callbackBefore = false, $callbackAfter = false, $storeParams = true) {
+        //存储参数供请求重放使用
+        if($storeParams) {
+            $this->lastExecParams = func_get_args();
+        }
         $parseCurlResult = $this->parseCurl($curlContent);
         if(is_callable($callbackBefore)) {
             $parseCurlResult = $callbackBefore($parseCurlResult);
@@ -57,6 +65,39 @@ public function execCurl($curlContent, $callbackBefore = false, $callbackAfter =
         return $execCurlResult;
     }
 
+    /**
+     * 重放请求
+     * @return mixed
+     */
+    public function repeatRequest()
+    {
+        //最后一次请求参数不为空才重放
+        if(!empty($this->lastExecParams)) {
+            list($curlContent, $callbackBefore, $callbackAfter) = array_pad($this->lastExecParams, 3, false);
+            return $this->execCurl($curlContent, $callbackBefore, $callbackAfter, true);
+        }
+        return null;
+    }
+
+    /**
+     * 获取最后一次请求参数
+     * @return array
+     */
+    public function getLastExecParams()
+    {
+        return $this->lastExecParams;
+    }
+
+    /**
+     * 主动销毁最后一次请求参数
+     * @return $this
+     */
+    public function unsetLastExecParams()
+    {
+        $this->lastExecParams = [];
+        return $this;
+    }
+
     /**
      * 携带cookie执行curl命令
      * @param  string  $curlContent    利用Firefox浏览器复制cURL命令
@@ -195,6 +236,7 @@ protected function _execCurl($parseCurlResult) {
      */
     public function setLogPath($logPath) {
         $this->logPath = $logPath;
+        return $this;
     }
 
     /**
@@ -230,13 +272,15 @@ public function setLastCookieFile($cookieFile) {
         if(!$this->lockedLastCookieFile) {
             $this->lastCookieFile = $cookieFile;
         }
+        return $this;
     }
 
     /**
      * 清空上次存储的cookie
      */
     public function removeLastCookie() {
         file_put_contents($this->getLastCookieFile(), '');
+        return $this;
     }
 
     /**
@@ -245,6 +289,7 @@ public function removeLastCookie() {
      */
     public function lockLastCookieFile() {
         $this->lockedLastCookieFile = true;
+        return $this;
     }
 
     /**
@@ -253,6 +298,7 @@ public function lockLastCookieFile() {
      */
     public function unlockLastCookieFile() {
         $this->lockedLastCookieFile = false;
+        return $this;
     }
 
     /**