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>