java微信开发之地图定位

页面代码:

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <title>填写基本信息</title>
    <link href="<%=basePath %>js/common.css" rel="stylesheet" />
    <script src="<%=basePath %>js/jquery-2.1.0.js" type="text/javascript" charset="utf-8"></script>
    <link href="<%=basePath %>js/master.css" rel="stylesheet" />
</head>
<body style="background: #f5f5f5;">
    <section>
        <div class="content-detail">
            <div class="detail mt20">
                <div class="detail-div"><span class="name">物品名称</span><span class="shuru"><input type="text" id="wpmc"></span></div>
                <div class="wxapi_container">
                    <div class="lbox_close wxapi_form">
                        
                        <!-- <div style="clear:both"></div>
                       
                        <!-- <div style="clear:both"></div> -->
                        <span class="desc">拍照或从手机相册中选择图片</span>
                         <button class="btn btn_primary" id="chooseImage">选择图片</button> 
                        <!-- <h3 id="menu-image">已选择图片</h3> -->
                        <div id="imgs"></div>
                        <button class="btn btn_primary" id="uploadImage">上传图片</button>
                        <h3 id="upload-image">已上传图片</h3>
                        <div id="uploadImgs"></div>
                
                       <!--  <button class="btn btn_primary" id="postData">提交</button> -->
                
                    </div>
                </div>
                <div class="detail-div detail-div-ha"><span class="name">物品描述</span><span class="shuru"><textarea id="wpms" rows="6" cols=""></textarea></span></div>
                <div class="detail-div"><span class="name">经度</span><span class="shuru"><input id="jingdu" type="text"></span></div>
                <div class="detail-div"><span class="name">纬度</span><span class="shuru"><input id="weidu" type="text"></span></div>
                <div class="detail-div"><span class="name">地址</span><span class="shuru"><input id="dizhi" type="text"></span></div>
                <div class="detail-div"><span class="name">海拔</span><span class="shuru"><input id="haiba" type="text"></span></div>
            </div>
            <div class="detail-btn">
                <a class="save" id="postData" href="javascript:;">保存</a>
                <a id="getlocation" href="javascript:;">地图</a>
            </div>
        </div>
    </section>
     <div id="map" style="height:200px;left:"class="content-detail"></div>  
     <div id="map1" style="height:200px;left:"class="content-detail"></div>  
     
     
</body>

<script charset="utf-8" src="http://res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>
<script src="http://ditu.google.cn/maps/api/js?key=AIzaSyDcGSUQz920n7V2LaPVs-tH9qMhkaHkTyo&language=zh-CN"></script>


    <script type="text/javascript">  
    
    var images = {
            index:1,   //用于产生全局图片id,绑定已选择图片和已上传图片
            selectIds: {},  //保存已经选择的图片id
            uploadIds:{}  //保存已经上传到微信服务器的图片
        };
    
    
    wx.config({
        debug: false, // 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: '${appid}', // 必填,企业号的唯一标识,此处填写企业号corpid
        timestamp: '${timestamp}', // 必填,生成签名的时间戳
        nonceStr: '${nonceStr}', // 必填,生成签名的随机串
        signature: '${signature}',// 必填,签名,见附录1
        jsApiList: ['getLocation','openLocation','chooseImage','uploadImage','downloadImage'] // 必填,需要使用的JS接口列表,所有JS接口列表见附录2
    });
    
    function i(i, a) {
        var t = 52.35987755982988,
        e = a,
        n = i,
        o = Math.sqrt(e * e + n * n) + 2e-5 * Math.sin(n * t),
        l = Math.atan2(n, e) + 3e-6 * Math.cos(e * t),
        d = o * Math.cos(l) + .0065,
        s = o * Math.sin(l) + .006;
        return {
            longitude: d,
            latitude: s
        }
    }
    
    var lat;
    var lng;
    
    wx.ready(function () {
        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) {
                lat = res.latitude; // 纬度,浮点数,范围为90 ~ -90
                lng = res.longitude; // 经度,浮点数,范围为180 ~ -180。
                var speed = res.speed; // 速度,以米/每秒计
                var accuracy = res.accuracy; // 位置精度
                var e = i(lng,lat);
                //alert(e.longitude + ',' + e.latitude);
                $("#jingdu").val(lng);
                $("#weidu").val(lat);
                
                //goole api 获得海拔
                 var elevator = new google.maps.ElevationService;
                 var latLng = {"lat":lat,"lng":lng};
                    
                      elevator.getElevationForLocations({
                        'locations': [latLng]
                      }, function(results, status) {
                        if (status === 'OK') {
                          if (results[0]) {
                             $("#haiba").val(results[0].elevation+"米");
                          } else {
                              
                          }
                        } else {
                        }
                       }); 
                
                
                var MJKD_LATLNG = e.longitude + ',' + e.latitude;
                var url = 'http://api.map.baidu.com/geocoder/v2/?ak=6yAoynmTPNlTBa8z1X4LfwGE&location=' + MJKD_LATLNG + '&output=json&pois=1';
                $.get(url, function(data) {
                  if(data.status === 0) {
                    //alert(data.result.formatted_address + '=>' + data.result.sematic_description);
                      $("#dizhi").val(data.result.sematic_description);
                  }
                }, 'jsonp');
            } 
        });
        

        // 图片接口
        // 拍照、本地选图
        $("#chooseImage").on("click", function () {
            wx.chooseImage({
                success: function (res) {
                    for (var i = 0; i < res.localIds.length; i++) {
                         //全局图片id,绑定微信选择图片产生的localId,将用户选择图片追加到已选择图片
                        var id = '' + images.index++; 
                        images.selectIds[id] = res.localIds[i];  
                        $('#imgs').append('<div class="imgdiv"><div class="box"><input id="' + id +'" type="checkbox"/><img style="width:200px;height:200px" src="' + res.localIds[i] + '" /></div></div>');
                    }
                    console.log('已选择了 ' + Object.keys(images.selectIds).length + ' 张图片');
                }
            });
        });

        //上传图片(保存到js)
        $("#uploadImage").on("click", function () {
            if (Object.keys(images.selectIds).length == 0) {
                alert('请先选择图片');
                return;
            }
            var i = 0, length = Object.keys(images.selectIds).length;
            var selectIds = [];  //需要上传的图片的全局图片id
            for(var id in images.selectIds){
                selectIds.push(id);
            }
            function upload() {
                wx.uploadImage({
                    localId: images.selectIds[selectIds[i]],  //根据全局图片id获取已选择图片
                    isShowProgressTips: 0, // 默认为1,显示进度提示
                    success: function (res) {
                        //上传成功,images.selectIds中移除,images.uploadIds追加
                        //图片从已选择移到已上传区域
                        var selectId = selectIds[i];
                        localId = images.selectIds[selectId];
                        removeId(selectId);
                        $('#uploadImgs').append('<div class="imgdiv"><div class="box"><input id="' + selectId +'" type="checkbox"/><img style="width:200px;height:200px" src="' + localId + '" /></div></div>');
                        images.uploadIds[selectId] = res.serverId
                        i++;
                        if (i < length) {
                            console.log('已上传成功 ' + i + '/' + length);
                            upload();
                        } else {
                            alert('图片上传完毕, 已上传成功 ' + i + '/' + length);
                        }
                    },
                    fail: function (res) {
                        alert('上传失败 ' + i + '/' + length);
                    }
                });
            }
            upload();
        });
    });
    
        //保存
        $('#postData').click(function () {
            
            var wpmc = $("#wpmc").val();
            var wpms = $("#wpms").val();
            var jingdu = $("#jingdu").val();
            var weidu = $("#weidu").val();
            var dizhi = $("#dizhi").val();
            
            if (Object.keys(images.uploadIds).length == 0) {
                alert('请先上传图片');
                return false;
            }

            var serverIds = [];
            var serverId;
            for(var id in images.uploadIds){
                serverIds.push(images.uploadIds[id]);
            }
            
            var data = {
                'imgIds': serverIds
            }
            $.ajax({
                type: "post",
                async: false,
                url: '/uploadImgData',
                data: {"data": JSON.stringify(data), "wpmc":wpmc , "wpms":wpms , "jd":jingdu, "wd": weidu, "dz":dizhi},
                dataType: "text",
                success: function (data) {
                    if (data == "success") {
                         alert('保存成功!');
                         location.reload();
                    } else {
                        alert('保存失败');
                    }

                },
                error: function (e) {
                    alert(11);
                }
            });
        });

        
        
    //点击复选按钮,删除.
    $("body").on('click', ':checkbox', function(){
        var id = $(this).attr('id');
        removeId(id);
    });

   
    function removeId(id){
        if(id in images.selectIds){
            delete images.selectIds[id]
        }else{
            delete images.uploadIds[id]
        }
        $('#' + id).parent().parent().remove();
    }
        
    
    

    //获取地图
    $("#getlocation").click(function(){
        wx.openLocation({
            latitude: lat, // 纬度,浮点数,范围为90 ~ -90
            longitude:lng, // 经度,浮点数,范围为180 ~ -180。
            name: $("#dizhi").val(), // 位置名
            address: '当前位置', // 地址详情说明
            scale: 16, // 地图缩放级别,整形值,范围从1~28。默认为最大
            infoUrl: '' // 在查看位置界面底部显示的超链接,可点击跳转
        });
    })
        
    </script> 
</html>
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转载自www.cnblogs.com/sqy-yyr/p/9364046.html