SpringBoot JS-SDK自定义微信分享的实现

@RestController
@RequestMapping("/weixin")
public class WeiXinDemoController {
	
	@Autowired
	private WeiXinService weiXinService;
	/**
	 * 初始化微信JSSDK配置信息
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/initWXJSSDKConfigInfo")
	public String initWXJSConfig (HttpServletRequest request,HttpServletResponse response) throws Exception{
		String shareUrl = request.getParameter("shareUrl");//分享的URL
		Map map = weiXinService.initJSSDKConfigInfo(shareUrl);
		String json = weiXinService.mapToJson(map);
		return json;
	}
	
}

	/**
	 * 初始化JSSDK配置信息
	 * @param shareUrl
	 * @return
	 * @throws Exception
	 */
	public Map initJSSDKConfigInfo(String shareUrl) throws Exception {
		
		String accessToken = this.getJSSDKAccessToken();
		String jsapiTicket = this.getJSSDKJsapiTicket(accessToken);
		String timestamp = Long.toString(System.currentTimeMillis() / 1000);
		String nonceStr = UUID.randomUUID().toString();
		String signature = this.buildJSSDKSignature(jsapiTicket,timestamp,nonceStr,shareUrl);
		
		Map<String,String> map = new HashMap<String,String>();
		map.put("shareUrl", shareUrl);
		map.put("jsapi_ticket", jsapiTicket);
		map.put("nonceStr", nonceStr);
		map.put("timestamp", timestamp);
		map.put("signature", signature);
		map.put("appid", weiXinConfig.getAppID());
		return map;
	}

public String getJSSDKAccessToken() {
		String token = null;
		String url = JSSDK_ACCESSTOKEN.replaceAll("APPID",
				weiXinConfig.getAppID()).replaceAll("APPSECRET",
				weiXinConfig.getAppsecret());

		String json = postRequestForWeiXinService(url);
		Map map = jsonToMap(json);
		if (map != null) {
			token = (String) map.get("access_token");
		}
		return token;
	}

public String getJSSDKJsapiTicket(String token) {
	 String url = JSSDK_GETTICKET.replaceAll("ACCESS_TOKEN", token);
	 String json = postRequestForWeiXinService(url);
	 Map map = jsonToMap(json);
	 String jsapi_ticket = null;
	 if (map != null) {
     jsapi_ticket = (String) map.get("ticket");
   }
	 return jsapi_ticket;
	}

 /**
   * 构建分享链接的签名。
   * @param ticket
   * @param nonceStr
   * @param timeStamp
   * @param url
   * @return
   * @throws Exception
   */
  public static String buildJSSDKSignature(String ticket,String timestamp,String nonceStr ,String url) throws Exception {
  	
  	String orderedString = "jsapi_ticket=" + ticket
        + "&noncestr=" + nonceStr + "&timestamp=" + timestamp
        + "&url=" + url;
    return sha1(orderedString);
  }
   /**
   * sha1 加密JSSDK微信配置参数获取签名。
   * 
   * @param signature
   * @param timestamp
   * @param nonce
   * @return
   */
  public static String sha1(String orderedString) throws Exception {
    String ciphertext = null;
    MessageDigest md = MessageDigest.getInstance("SHA-1");
    byte[] digest = md.digest(orderedString.getBytes());
    ciphertext = byteToStr(digest);
    return ciphertext.toLowerCase();
  }
  /** 
   * 将字节数组转换为十六进制字符串 
   * 
   * @param byteArray 
   * @return 
   */ 
  private static String byteToStr(byte[] byteArray) { 
    String strDigest = ""; 
    for (int i = 0; i < byteArray.length; i++) { 
      strDigest += byteToHexStr(byteArray[i]); 
    } 
    return strDigest; 
  } 
  /** 
   * 将字节转换为十六进制字符串 
   * 
   * @param mByte 
   * @return 
   */ 
  private static String byteToHexStr(byte mByte) { 
    char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; 
    char[] tempArr = new char[2]; 
    tempArr[0] = Digit[(mByte >>> 4) & 0X0F]; 
    tempArr[1] = Digit[mByte & 0X0F]; 

    String s = new String(tempArr); 
    return s; 
  }

public String mapToJson(Map map){
		Gson gson = new Gson();
		String json = gson.toJson(map);
		return json;
	}
	private Map jsonToMap(String json) {
		Gson gons = new Gson();
		Map map = gons.fromJson(json, new TypeToken<Map>(){}.getType());
		return map;
	}

	private String postRequestForWeiXinService(String getAccessTokenUrl) {
		ResponseEntity<String> postForEntity = restTemplate.postForEntity(getAccessTokenUrl, null, String.class);
		String json = postForEntity.getBody();
		return json;
	}
	
	private String getRequestForWeiXinService(String getUserInfoUrl) {
		ResponseEntity<String> postForEntity = restTemplate.getForEntity(getUserInfoUrl.toString(), String.class);
		String json = postForEntity.getBody();
		return json;
	}

//alert(window.location.href.split('#')[0]);/***用于获得当前连接url用**/
/***用户点击分享到微信圈后加载接口接口*******/
$.post("/weixin/initWXJSSDKConfigInfo",{"shareUrl":window.location.href.split('#')[0]},function(data,status){
  data=eval("("+data+")");
  wx.config({
    debug: false,
    appId: data.appid,
    timestamp:data.timestamp,
    nonceStr:data.nonceStr,
    signature:data.signature,
    jsApiList: [
      'checkJsApi',
      'onMenuShareTimeline',
      'onMenuShareAppMessage',
      'onMenuShareQQ',
      'onMenuShareWeibo',
      'onMenuShareQZone',
      'hideOptionMenu',
    ]
  });
  var shareTitle = $("#wx_share_span").data("shareTitle");
  if(!shareTitle){
  	shareTitle = $("title").html();
  }
  var shareImg = $("#wx_share_span").data("shareImg");
  if(!shareImg){
  	//shareImg = common.bp()+'/m_images/shareImg.jpg';
  }
  var shareLink = $("#wx_share_span").data("shareLink");
  if(!shareLink){
  	shareLink = window.location.href.split('#')[0];
  }
  var shareDesc = $("#wx_share_span").data("shareDesc");
  if(!shareDesc){
  	shareDesc = $("meta[name=description]").attr("content");
  }
  wx.ready(function(){
    // alert("准备分享");
    wx.onMenuShareTimeline({
      title : shareTitle, // 分享标题
      link : shareLink, // 分享链接
      imgUrl : shareImg, // 分享图标
      success : function() {
        // 用户确认分享后执行的回调函数
        //alert("分享成功");
      },
      cancel : function() {
        // 用户取消分享后执行的回调函数
        //alert("分享取消");
      }
    });
    //wx.hideOptionMenu();/***隐藏分享菜单****/
    wx.onMenuShareAppMessage({
    	title: shareTitle, // 分享标题
    	desc: shareDesc, // 分享描述
    	link: shareLink, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
    	imgUrl: shareImg, // 分享图标
    	success: function () {
    	// 用户确认分享后执行的回调函数
    	},
    	cancel: function () {
    	// 用户取消分享后执行的回调函数
    	}
  	});
    wx.onMenuShareQQ({
    	title: shareTitle, // 分享标题
    	desc: shareDesc, // 分享描述
    	link: shareLink, // 分享链接
    	imgUrl: shareImg, // 分享图标
    	success: function () {
    	// 用户确认分享后执行的回调函数
    	},
    	cancel: function () {
    	// 用户取消分享后执行的回调函数
    	}
  	});
    wx.onMenuShareWeibo({
    	title: shareTitle, // 分享标题
    	desc: shareDesc, // 分享描述
    	link: shareLink, // 分享链接
    	imgUrl: shareImg, // 分享图标
    	success: function () {
    	// 用户确认分享后执行的回调函数
    	},
    	cancel: function () {
    	// 用户取消分享后执行的回调函数
    	}
  	});
    wx.onMenuShareQZone({
    	title: shareTitle, // 分享标题
    	desc: shareDesc, // 分享描述
    	link: shareLink, // 分享链接
    	imgUrl: shareImg, // 分享图标
    	success: function () {
    	// 用户确认分享后执行的回调函数
    	},
    	cancel: function () {
    	// 用户取消分享后执行的回调函数
    	}
  	});
  });
});

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src="/jquery-1.8.3.min.js" type="text/javascript" ></script>
</head>
<body>
<span id="wx_share_span" style="display: none"></span>
<script type="text/javascript">
	$(document).ready(function(){
		
		$("#wx_share_span").data("shareTitle", "桌前明月教你玩微信公众号自定义分享");
		$("#wx_share_span").data("shareDesc", "保证学会哈！");
		//$("#wx_share_span").data("shareLink", "/weixinshare.html");
		//$("#wx_share_span").data("shareImg", "/banner.jpg");
	});
</script>

<script type="text/javascript" src="http://res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>
<script type="text/javascript" src="/wxShare.js"></script>
</body>
</html>