参考博客
http://blog.csdn.net/u013142781/article/details/50503299
主要JS 方法
wx.getLocation
获取地理位置信息传递参数
成功后返回参数
根据返回经纬度打开地理位置网页
wx.openLocation 参数设置
关键代码：
后台 - 构造微信验证消息
private static String appId = PropertiesUtil.getValue("common.properties", "app.id");
@RequestMapping(value = "/get_jsapi_ticket") @ResponseBody public Map<String, Object> getJsapiTicket( HttpServletRequest request, HttpServletResponse response, HttpSession session, String url) throws IOException { Map<String, Object> jsapiSignature = createJsapiSignature(url); jsapiSignature.put("appId", appId); return jsapiSignature; } public Map<String, Object> createJsapiSignature(String url) { Map<String, Object> map = new HashMap<String, Object>(); //准备参数 String base_access_token = redisService.getBaseTokenFromRedis(appId, appSecret); JSONObject jsApiTicket = WeixinUtil.getJsApiTicket(base_access_token); String ticket = jsApiTicket.get("ticket").toString(); String timestamp = Long.toString(System.currentTimeMillis() / 1000); String nonceStr = createNonceStr(16); //sha1加密 String requesturl = "jsapi_ticket=" + ticket + "&noncestr=" + nonceStr + "×tamp=" + timestamp + "&url=" + url; log.info("requesturl=" + requesturl); String signature = SHA1(requesturl); log.info("signature=" + signature); map.put("timestamp", timestamp); map.put("nonceStr", nonceStr); map.put("signature", signature); return map; } /** * SHA、SHA1加密 * * @param str * @return */ public static String SHA1(String str) { try { MessageDigest digest = java.security.MessageDigest .getInstance("SHA-1"); //如果是SHA加密只需要将"SHA-1"改成"SHA"即可 digest.update(str.getBytes()); byte messageDigest[] = digest.digest(); // Create Hex String StringBuffer hexStr = new StringBuffer(); // 字节数组转换为 十六进制 数 for (int i = 0; i < messageDigest.length; i++) { String shaHex = Integer.toHexString(messageDigest[i] & 0xFF); if (shaHex.length() < 2) { hexStr.append(0); } hexStr.append(shaHex); } return hexStr.toString(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } return null; } /** * 构造随机字符串 * * @param length * @return */ private static String createNonceStr(int length) { String baseStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; StringBuffer temp = new StringBuffer(); Random random = new Random(); for (int i = 0; i < length; i++) { int number = random.nextInt(baseStr.length()); temp.append(baseStr.charAt(number)); } return temp.toString(); }
前端 - 发送请求并解析地理位置信息
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <c:set var="ctx" value="${pageContext.request.contextPath}"/> <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>绑定页</title> </head> <body> <a href="javascript:;" onclick="getLocation()">获取我的位置信息</a> <script src="${ctx}/assets/jquery-1.10.2.min.js"></script> <script src="${ctx}/assets/jweixin-1.2.0.js"></script> <script type="text/javascript"> $(function(){ configWx(); }); function configWx() { var thisPageUrl = location.href.split(‘#‘)[0]; $.get( "${ctx}/oauth/get_jsapi_ticket", {url:thisPageUrl}, function(data){ console.log(data); if(data!=null){ configWeiXin(data.appId, data.timestamp, data.nonceStr, data.signature); }else { console.log("配置weixin jsapi失败"); } } ); } function configWeiXin(appId, timestamp, nonceStr, signature) { wx.config({ debug : true,// 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。 appId : appId, timestamp : timestamp, nonceStr : nonceStr, signature : signature, jsApiList : [ ‘chooseImage‘, ‘uploadImage‘, ‘downloadImage‘, ‘previewImage‘, ‘openLocation‘, ‘getLocation‘, ‘scanQRCode‘, ‘checkJsApi‘, ‘onMenuShareTimeline‘, ‘onMenuShareAppMessage‘, ‘onMenuShareQQ‘, ‘onMenuShareWeibo‘, ‘onMenuShareQZone‘ ] }); console.log("wx"); console.log(wx); } function getLocation() { wx.getLocation({ type : ‘gcj02‘, // 默认为wgs84的gps坐标，如果要返回直接给openLocation用的火星坐标，可传入‘gcj02‘ success : function(res) { //使用微信内置地图查看位置接口 wx.openLocation({ latitude : res.latitude, // 纬度，浮点数，范围为90 ~ -90 longitude : res.longitude, // 经度，浮点数，范围为180 ~ -180。 name : ‘我的位置‘, // 位置名 address : ‘中国海洋大学‘, // 地址详情说明 scale : 28, // 地图缩放级别,整形值,范围从1~28。默认为最大 infoUrl : ‘http://www.haiyangdaxue.com‘ // 在查看位置界面底部显示的超链接,可点击跳转（测试好像不可用） }); }, cancel : function(res) { } }); } </script> </body> </html>
