ActiveLotteryController.java

package com.github.ouyangbob.wechat.controller;

import java.util.regex.Pattern;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.github.ouyangbob.wechat.WechatConstants;
import com.github.ouyangbob.wechat.service.IAwardService;
import com.github.ouyangbob.wechat.token.WechatAccessTokenUtil;
import com.google.common.base.Charsets;
import com.google.common.hash.Hashing;


@Controller
@RequestMapping("/active/lottery")
public class ActiveLotteryController {
	
	@Autowired
	private IAwardService awardService;

	@RequestMapping("index")
	public String index(String code,HttpServletRequest request,ModelMap modelMap){
		modelMap.put("code", code);
		String noncestr=RandomStringUtils.randomAlphanumeric(5);
		long timestamp=System.currentTimeMillis()/1000;
		String jsapiTicket=WechatAccessTokenUtil.getJsapiTicket();
		String url=request.getRequestURL().toString();
		
		StringBuilder sb=new StringBuilder();
		sb.append("jsapi_ticket=");
		sb.append(jsapiTicket);
		sb.append("&noncestr=");
		sb.append(noncestr);
		sb.append("×tamp=");
		sb.append(timestamp);
		sb.append("&url=");
		sb.append(url);
        String signature = Hashing.sha1().hashString(sb.toString(), Charsets.UTF_8).toString();
		modelMap.put("noncestr", noncestr);
		modelMap.put("timestamp", timestamp);
		modelMap.put("jsapiTicket", jsapiTicket);
		modelMap.put("appId", WechatConstants.APPID);
		modelMap.put("signature", signature);
		return "wechat/award";
	}

	/**
	 * 随机一个奖品
	 * @param code
	 * @param request
	 * @return
	 */
	@ResponseBody
	@RequestMapping("randomaward")
	public String random(String code){
		if(StringUtils.isBlank(code)){
			return "0";
		}
		int award=awardService.randomGenerateAward(code);
		return Integer.toString(award);
	}

	/**
	 * 获取奖品，保存奖品到数据库
	 * @param code
	 * @param mobile
	 * @return
	 */
	@ResponseBody
	@RequestMapping("getaward")
	public String getaward(String code,String mobile){
		if(StringUtils.isBlank(code) || StringUtils.isBlank(mobile) || !checkPhoneNo(mobile)){
			return "false";
		}
		boolean bool=awardService.saveGenerateAward(code, mobile);
		return Boolean.toString(bool);
	}
	
	private boolean checkPhoneNo(String phoneNo){
		if (StringUtils.isBlank(phoneNo)) {
			return false;
		} else  if (!Pattern
				.matches(
						"^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0-9]|17[0-9])\\d{8}$",
						phoneNo)) {
			return false;
		} else{
			return true;
		}		
	}
}