package com.open.wx.ctrl;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.open.wx.cons.ConstStr;
import com.open.wx.event.IButtonEvent;
import com.open.wx.utils.HttpXmlUtil;
import com.open.wx.utils.SignUtil;

@Controller("wx.ctrl.CoreAction")
@RequestMapping("/wx/")
public class CoreAction {

	@Resource(name = "wx.event.ButtonEvent")
	private IButtonEvent btnEvent;

	@RequestMapping(value = "/", method = { RequestMethod.GET,RequestMethod.POST })
	public String index(HttpServletRequest request, HttpServletResponse response)throws Exception {
		/**
		 * 功能：验证开发者 微信服务器Get方式发送请求,开发者通过微信服务器发过来的参数来处理后与signature对比，一样则通过验证
		 */
		String method = request.getMethod().toUpperCase().trim();
		if (method.equals(ConstStr.MTD_GET)) {
			// Get获取微信加密签名
			String signature = request.getParameter("signature");
			// 获取时间戳
			String timestamp = request.getParameter("timestamp");
			// 获取随机数
			String nonce = request.getParameter("nonce");
			// 获取随机字符串
			String echostr = request.getParameter("echostr");
			// 通过检验signature对请求进行校验，若校验成功则原样返回echostr，表示接入成功，否则接入失败
			if (SignUtil.checkSignature(signature, timestamp, nonce)) {
				HttpXmlUtil.writeOutStr(response, echostr, false,"utf-8");
			}
		} else if (method.equals(ConstStr.MTD_POST)) {
			// 调用核心业务类接收消息、处理消息
			String respMessage = btnEvent.processRequest(request);
			// 响应消息,微信服务器收到响应的消息后，经过处理直接显示在开发者的公众号上
			HttpXmlUtil.writeOutStr(response, respMessage, true,"utf-8");
		}
		return "ERROR";
	} 			
}
@@ -1708,15 +1708,12 @@
 urn 
-%22ERROR%22
+null
 ;%0A%09%7D

update CoreAction.java