基本验证和消息收发

application/controllers/weixin.php

@@ -0,0 +1,31 @@
+<?php
+class Weixin extends SS_Controller{
+	function __construct() {
+		$this->permission=true;
+		parent::__construct();
+	}
+
+	function index(){
+
+		//验证
+		if($this->input->get('echostr')){
+			//TODO 需要对来源进行鉴别
+			$this->output->set_output($this->input->get('echostr'));
+		}
+
+		$this->load->addViewArrayData($this->input->post());
+
+		//消息推送
+		if($this->input->post('FromUserName')){
+			//文本消息
+			if($this->input->post('MsgType')==='text'){
+				$message=$this->input->post('content');
+				$this->load->view('weixin/reply_text');
+			}
+		}
+
+	}
+
+}
+
+?>

application/views/weixin/reply_text.php

@@ -0,0 +1,8 @@
+<xml>
+	<ToUserName><?=$FromUserName?></ToUserName>
+	<FromUserName><?=$ToUserName?></FromUserName>
+	<CreateTime><?=time()?></CreateTime>
+	<MsgType>text</MsgType>
+	<Content>原样返回：<?=$content?></Content>
+	<FuncFlag>0</FuncFlag>
+</xml>