<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<title>地图多边形</title>
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<link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css" />
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<link href="../css/public.css" rel="stylesheet" />
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<script src="http://cache.amap.com/lbs/static/es5.min.js"></script>
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<script src="http://webapi.amap.com/maps?v=1.4.0&key=3627ed9deaac2622e26a7169f0c36b1b&plugin=AMap.Geocoder,AMap.Autocomplete,AMap.PlaceSearch,AMap.PolyEditor"></script>
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<script src="../js/jquery-2.1.1.min.js"></script>
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<script src="../js/public.js?v=55"></script>
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<script src="../js/tools.js"></script>
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</head>
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<body>
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<div id="container"></div>
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<div class="search-box" id="search_box" style="display: block;">
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<input class="search-text" id="search_text" type="text" placeholder="请输入详细地址" onkeypress="keySearchAddress()" />
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<input class="search-button" id="search_button" type="button" onclick="searchAddress()" />
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</div>
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<div class=" info-box" id="info_box">
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信息提示
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<hr>
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<div id="info_text">
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</div>
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</div>
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<div class="button-group draw-button-group" id="edit_draw_box" style=" display:none;">
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<input id="btnEditFinish" class="button draw-button" onclick="finishEditDraw()" type="button" value="完成" />
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<input id="btnEditCancel" class="button draw-button" onclick="cancelEditDraw()" type="button" value="取消" />
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</div>
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<div class="button-group draw-button-group" id="draw_polygon_box" style="display: none;">
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<input id="btnDrawFinish" class="button draw-button" onclick="finishDraw()" type="button" value="完成" />
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<input id="btnDrawBack" class="button draw-button" onclick="backDraw()" type="button" value="后退" />
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<input id="btnDrawRedraw" class="button draw-button" onclick="redraw()" type="button" value="重绘" />
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<input id="btnDrawCancel" class="button draw-button" onclick="cancelDraw()" type="button" value="取消" />
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</div>
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<script>
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let map;//地图对象 使用 ToolBar时，地图对象需要定义位map 否则会报错
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let _map;//地图对象
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let _status = map_status.Normal;//地图状态
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let _paras = {
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//参数
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PolygonDefaultParas:
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{
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//区域默认的样式
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BorderColor: "#3366ff",
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BorderWidth: 3,
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BorderOpacity: 1,
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BackgroundColor: "#e57505",
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BackgroundOpacity: 0.5
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},
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PolygonSelectedParas:
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{
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//区域选中的样式
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BorderColor: "#e57505",
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BorderWidth: 6,
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BorderOpacity: 1,
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BackgroundColor: "#e57505",
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BackgroundOpacity: 0.5
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},
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LineTempParas:
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{
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//线选中的样式
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Width: 6,
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Opacity: 1,
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Color: "#e57505"
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},
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LineDefaultParas:
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{
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//线默认的样式
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Width: 3,
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Opacity: 1,
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Color: "#3366ff"
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},
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LevelParas: {
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HideSignUpperLimit: 13
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}
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}; //地图覆盖物样式对象
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let _polygon;//多边形
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let _polygon_overlay;//多边形覆盖物
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//页面加载(lxj)
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$(document).ready(function () {
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try {
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map = _map = new AMap.Map('container', {
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resizeEnable: true,
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expandZoomRange: true,
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zoom: 16,
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zooms: [3, 20]
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});
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_map.on("complete", function () {//地图加载完成
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callbackObj.loadCompleted();
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});
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_map.on("click", function () {
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if ($("#search_text").css("display") == 'block') {
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$("#search_text").hide();
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}
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});
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}
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catch (e) {
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callbackObj.loadFailed();
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}
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});
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//加载参数
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function loadParas(paras) {
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if (isEmpty(paras)) {
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return false;
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}
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_paras = paras;
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return true;
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}
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//加载多边形
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function loadPolygon(polygon) {
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if (isEmpty(polygon)) {
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return false;
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}
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_map.clearMap();
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_polygon = polygon;
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let path = _polygon.Points.map(function (x) { return [x.X, x.Y]; });
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_polygon_overlay = new AMap.Polygon({
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path: path,//设置多边形边界路径
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strokeColor: _polygon.BorderColor, //线颜色
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strokeOpacity: _polygon.BorderOpacity, //线透明度
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strokeWeight: _polygon.BorderWidth, //线宽
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fillColor: _polygon.BackgroundColor, //填充色
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fillOpacity: _polygon.BackgroundOpacity //填充透明度
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});
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_polygon_overlay.setMap(_map);
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_map.setFitView();
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return true;
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}
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//开始绘制
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function startDraw() {
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if (_status != map_status.Normal) {
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return false;
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}
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if (_polygon) {
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return false;
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}
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_polygon_overlay = { Path: [], Markers: [], PolyLines: [] };
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_map.on("click", onMapDrawClick);
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$("#draw_polygon_box").show();
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_status = map_status.Draw;
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setInfoText();
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judgeDrawButtons();
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return true;
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}
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//重绘
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function restartDraw() {
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if (_status != map_status.Normal) {
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return false;
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}
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if (!_polygon) {
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return false;
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}
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if (!_polygon_overlay) {
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return false;
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}
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_map.clearMap();
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_polygon_overlay = { Path: [], Markers: [], PolyLines: [] };
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_map.on("click", onMapDrawClick);
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$("#draw_polygon_box").show();
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_status = map_status.Draw;
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setInfoText();
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judgeDrawButtons();
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return true;
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}
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//地图点击绘制多边形事件
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function onMapDrawClick(e) {
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if (_status != map_status.Draw) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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let position = [e.lnglat.getLng(), e.lnglat.getLat()];
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_polygon_overlay.Path.push(position);
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let marker = new AMap.Marker({
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position: position,
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icon: new AMap.Icon({
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size: new AMap.Size(32, 32), //图标大小
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image: "../img/weizhi.png",
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imageOffset: new AMap.Pixel(-6, 12)
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})
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});
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_polygon_overlay.Markers.push(marker);
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marker.setMap(_map);
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if (_polygon_overlay.Path.length > 1) {
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let polyline = new AMap.Polyline({
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path: [_polygon_overlay.Path[_polygon_overlay.Path.length - 2], _polygon_overlay.Path[_polygon_overlay.Path.length - 1]], //设置线覆盖物路径
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strokeColor: _paras.LineTempParas.Color, //线颜色
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strokeOpacity: _paras.LineTempParas.Opacity, //线透明度
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strokeWeight: _paras.LineTempParas.Width, //线宽
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strokeStyle: "solid", //线样式
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strokeDasharray: [10, 5] //补充线样式
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});
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_polygon_overlay.PolyLines.push(polyline);
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polyline.setMap(_map);
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}
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judgeDrawButtons();
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}
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//结束绘制
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function finishDraw() {
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if (_status != map_status.Draw) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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if (_polygon_overlay.Path.length < 3) {
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return;
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}
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_map.off("click", onMapDrawClick);
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if (!_polygon) {
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_polygon = {};
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_polygon.BorderColor = _paras.PolygonDefaultParas.BorderColor;
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_polygon.BorderOpacity = _paras.PolygonDefaultParas.BorderOpacity;
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_polygon.BorderWidth = _paras.PolygonDefaultParas.BorderWidth;
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_polygon.BackgroundColor = _paras.PolygonDefaultParas.BackgroundColor;
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_polygon.BackgroundOpacity = _paras.PolygonDefaultParas.BackgroundOpacity;
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}
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_polygon.Points = _polygon_overlay.Path.map(function (x) { return { X: x[0], Y: x[1] } });
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loadPolygon(_polygon);
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_polygon.Area = _polygon_overlay.getArea();
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_status = map_status.Normal;
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$("#draw_polygon_box").hide();
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setInfoText();
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callbackObj.set(JSON.stringify(_polygon));
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}
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//后退绘制
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function backDraw() {
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if (_status != map_status.Draw) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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if (_polygon_overlay.Path.length < 1) {
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return;
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}
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_polygon_overlay.Path.splice(_polygon_overlay.Path.length - 1, 1);
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if (_polygon_overlay.Markers.length > 0) {
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let marker = _polygon_overlay.Markers[_polygon_overlay.Markers.length - 1];
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_polygon_overlay.Markers.splice(_polygon_overlay.Markers.length - 1, 1);
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_map.remove(marker);
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}
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if (_polygon_overlay.PolyLines.length > 0) {
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let polyline = _polygon_overlay.PolyLines[_polygon_overlay.PolyLines.length - 1];
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_polygon_overlay.PolyLines.splice(_polygon_overlay.PolyLines.length - 1, 1);
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_map.remove(polyline);
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}
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judgeDrawButtons();
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}
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//重绘
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function redraw() {
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if (_status != map_status.Draw) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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_map.clearMap();
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_polygon_overlay = { Path: [], Markers: [], PolyLines: [] };
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judgeDrawButtons();
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}
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//取消绘制
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function cancelDraw() {
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if (_status != map_status.Draw) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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_map.off("click", onMapDrawClick);
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_map.clearMap();
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_polygon_overlay = null;
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if (_polygon) {
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loadPolygon(_polygon);
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}
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_status = map_status.Normal;
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$("#draw_polygon_box").hide();
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setInfoText();
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callbackObj.cancelDraw();
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}
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//判断绘制按钮
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function judgeDrawButtons() {
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if (_status != map_status.Draw) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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//完成
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if (_polygon_overlay.Path.length < 3) {
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$("#btnDrawFinish").attr("disabled", true);
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}
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else {
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$("#btnDrawFinish").attr("disabled", false);
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}
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//后退
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if (_polygon_overlay.Path.length > 0) {
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$("#btnDrawBack").attr("disabled", false);
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}
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else {
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$("#btnDrawBack").attr("disabled", true);
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}
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//重绘
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if (_polygon_overlay.Path.length > 0) {
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$("#btnDrawRedraw").attr("disabled", false);
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}
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else {
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$("#btnDrawRedraw").attr("disabled", true);
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}
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//取消
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$("#btnDrawCancel").attr("disabled", false);
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}
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//开始编辑
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function startEditDraw() {
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if (_status != map_status.Normal) {
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return false;
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}
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if (!_polygon) {
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return false;
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}
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if (!_polygon_overlay) {
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return false;
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}
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if (!_polygon_overlay.polyEditor) {
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_polygon_overlay.polyEditor = new AMap.PolyEditor(_map, _polygon_overlay)
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}
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_polygon_overlay.polyEditor.open();
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_status = map_status.Edit;
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$("#edit_draw_box").show();
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setInfoText();
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return true;
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}
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//结束编辑
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function finishEditDraw() {
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if (_status != map_status.Edit) {
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return;
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}
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if (!_polygon) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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if (_polygon_overlay.polyEditor) {
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_polygon_overlay.polyEditor.close();
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}
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let path = _polygon_overlay.getPath();
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_polygon.Points = path.map(function (x) { return { X: x.getLng(), Y: x.getLat() }; });
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_polygon.Area = _polygon_overlay.getArea();
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_status = map_status.Normal;
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$("#edit_draw_box").hide();
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setInfoText();
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callbackObj.set(JSON.stringify(_polygon));
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}
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//取消编辑
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function cancelEditDraw() {
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if (_status != map_status.Edit) {
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return;
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}
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if (!_polygon) {
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return;
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}
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if (!_polygon_overlay) {
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return;
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}
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if (_polygon_overlay.polyEditor) {
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_polygon_overlay.polyEditor.close();
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}
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let path = _polygon.Points.map(function (x) { return [x.X, x.Y]; });
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_polygon_overlay.setPath(path);
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_status = map_status.Normal;
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$("#edit_draw_box").hide();
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setInfoText();
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callbackObj.cancelEditDraw();
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}
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//设置提示信息
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function setInfoText() {
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let info1 = "当前状态：";
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let info2 = "";
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if (_status == map_status.Normal) {
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info2 = "正常";
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}
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else if (_status == map_status.Draw) {
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info2 = "绘制";
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}
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else {
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info2 = "编辑";
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}
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let info = info1 + info2;
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document.querySelector("#info_text").innerText = info;
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}
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//设置信息提示面板的可见性
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function setInfoPanelVisibility() {
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document.getElementById('info_box').hidden = !document.getElementById('info_box').hidden;
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}
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//根据详细地址查看地图
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function locateByAddress(address) {
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let geocoder = new AMap.Geocoder({});
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//地理编码,返回地理编码结果
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geocoder.getLocation(address, function (status, result) {
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if (status === 'complete' && result.info === 'OK') {
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let geocode = result.geocodes;
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_map.setCenter([geocode[0].location.getLng(), geocode[0].location.getLat()]);
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let marker = new AMap.Marker({ position: [geocode[0].location.getLng(), geocode[0].location.getLat()] });
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_map.setFitView(marker);
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}
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else {
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let error = { ErrorType: error_type.locate_address, Message: "根据详细地址定位地图失败" };
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callbackObj.handingError(JSON.stringify(error));
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}
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});
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}
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//搜索地址
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function searchAddress() {
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if ($("#search_text").css("display") == 'block') {
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let address = $("#search_text").val();
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if (!isEmpty(address)) {
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locateByAddress(address);
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}
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$("#search_text").hide();
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}
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else {
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$("#search_text").show();
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}
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}
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//enter搜索地址
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function keySearchAddress() {
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if (event.keyCode == 13) {
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searchAddress();
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}
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}
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</script>
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</body>
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</html>
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