cesium_example_auth/public/cesium_example/example/widgets/queryBaiduPOI/widget.js

"use script"; //开发环境建议开启严格模式
(function (window, mars3d) {
  //创建widget类，需要继承BaseWidget
  class MyWidget extends mars3d.widget.BaseWidget {
    //外部资源配置
    get resources() {
      return ["view.css"];
    }

    //弹窗配置
    get view() {
      return {
        type: "append",
        url: "view.html",
        parent: "body",
      };
    }

    //初始化[仅执行1次]
    create() {
      this.storageName = "mars3d_queryBaiduPOI";
      this.pageSize = 6;
      this.allpage = 0;
      this.thispage = 0;

      //创建矢量数据图层
      this.graphicLayer = new mars3d.layer.GraphicLayer({
        name: this.config.name,
        pid: 99, //图层管理 中使用，父节点id
      });
      //鼠标单击后的信息面板弹窗
      this.graphicLayer.bindPopup(function (event) {
        let item = event.graphic?.attr;
        if (!item) {
          return;
        }

        var name;
        if (item.detailUrl) {
          name = '<a href="' + item.detailUrl + '"  target="_black" style="color: #ffffff; ">' + item.name + "</a>";
        } else {
          name = item.name;
        }

        var inHtml = '<div class="mars-popup-titile">' + name + '</div><div class="mars-popup-content" >';

        var phone = $.trim(item.tel);
        if (phone != "") {
          inHtml += "<div><label>电话</label>" + phone + "</div>";
        }

        var dz = $.trim(item.address);
        if (dz != "") {
          inHtml += "<div><label>地址</label>" + dz + "</div>";
        }

        if (item.type) {
          var fl = $.trim(item.type);
          if (fl != "") {
            inHtml += "<div><label>类别</label>" + fl + "</div>";
          }
        }
        inHtml += "</div>";

        return inHtml;
      });

      //查询控制器
      this._queryPoi = new mars3d.query.BaiduPOI({
        // city: '合肥市',
      });
    }
    //每个窗口创建完成后调用
    winCreateOK(opt, result) {
      if (opt.type != "append") {
        return;
      }
      var that = this;
      var img = $("#map-querybar img");
      img.each((index, item) => {
        $(item).attr("src", this.path + $(item).attr("src"));
      });

      if (this.config.position) {
        $("#map-querybar").css(this.config.position);
      }
      if (this.config.style) {
        $("#map-querybar").css(this.config.style);
      }

      // 搜索框
      $("#txt_querypoi").click(function () {
        // 文本框内容为空
        if ($.trim($(this).val()).length === 0) {
          that.hideAllQueryBarView();
          that.showHistoryList(); // 显示历史记录
        }
      });

      var timetik = 0;

      // 搜索框绑定文本框值发生变化,隐藏默认搜索信息栏,显示匹配结果列表
      $("#txt_querypoi").bind("input propertychange", () => {
        clearTimeout(timetik);
        timetik = setTimeout(() => {
          this.hideAllQueryBarView();
          this.clearLayers();

          var queryVal = $.trim($("#txt_querypoi").val());
          if (queryVal.length == 0) {
            // 文本框内容为空,显示历史记录
            this.showHistoryList();
          } else {
            this.autoTipList(queryVal, true);
          }
        }, 500);
      });

      // 点击搜索查询按钮
      $("#btn_querypoi").click(() => {
        clearTimeout(timetik);
        this.hideAllQueryBarView();

        var queryVal = $.trim($("#txt_querypoi").val());
        this.strartQueryPOI(queryVal, true);
      });
      //绑定回车键
      $("#txt_querypoi").bind("keydown", (event) => {
        if (event.keyCode == "13") {
          $("#btn_querypoi").click();
        }
      });

      // 返回查询结果面板界面
      $("#querybar_detail_back").click(() => {
        this.hideAllQueryBarView();
        $("#querybar_resultlist_view").show();
      });
    }
    //打开激活
    activate() {
      this.map.addLayer(this.graphicLayer);

      $(".mars3d-locationbar").append('<div id="queryAddress" class="mars3d-locationbar-content" style="margin-right: 50px;"></div>');

      //单击地图事件
      this.map.on(mars3d.EventType.clickMap, this.onMapClick, this);
      this.map.on(mars3d.EventType.cameraChanged, this.onMapCameraChanged, this);
    }
    //关闭释放
    disable() {
      this.map.removeLayer(this.graphicLayer);

      //释放单击地图事件
      this.map.off(mars3d.EventType.clickMap, this.onMapClick, this);
      this.map.off(mars3d.EventType.cameraChanged, this.onMapCameraChanged, this);

      $("#queryAddress").remove();

      this.hideAllQueryBarView();
      this.clearLayers();
    }
    onMapClick(event) {
      // 点击地图区域,隐藏所有弹出框
      if ($.trim($("#txt_querypoi").val()).length == 0) {
        this.hideAllQueryBarView();
        $("#txt_querypoi").blur();
      }
    }
    onMapCameraChanged(event) {
      let radius = this.map.camera.positionCartographic.height; //单位：米
      if (radius > 100000) {
        this.address = null;
        $("#queryAddress").html("");
        return;
      }

      this._queryPoi.getAddress({
        location: this.map.getCenter(),
        success: (result) => {
          // console.log("地址", result);
          this.address = result;

          $("#queryAddress").html("地址：" + result.address);
        },
      });
    }
    hideAllQueryBarView() {
      $("#querybar_histroy_view").hide();
      $("#querybar_autotip_view").hide();
      $("#querybar_resultlist_view").hide();
    }

    // 点击面板条目,自动填充搜索框,并展示搜索结果面板
    autoSearch(name) {
      $("#txt_querypoi").val(name);
      $("#btn_querypoi").trigger("click");
    }

    //===================与后台交互========================

    //显示智能提示搜索结果
    autoTipList(text, queryEx) {
      //输入经纬度数字时
      if (this.isLonLat(text)) {
        return;
      }

      //查询外部widget
      if (this.hasExWidget() && queryEx) {
        this.autoExTipList(text);
        return;
      }
      //查询外部widget

      //搜索提示
      this._queryPoi.autoTip({
        text: text,
        city: this.address?.city,
        location: this.map.getCenter(),
        success: (result) => {
          var inhtml = "";
          var pois = result.list;
          for (var index = 0; index < pois.length; index++) {
            var name = pois[index].name;
            // var num = pois[index].num;
            // if (num > 0) continue;

            inhtml += "<li><i class='fa fa-search'></i><a href=\"javascript:queryBaiduPOIWidget.autoSearch('" + name + "');\">" + name + "</a></li>";
          }
          if (inhtml.length > 0) {
            $("#querybar_ul_autotip").html(inhtml);
            $("#querybar_autotip_view").show();
          }
        },
      });
    }

    // 根据输入框内容，查询显示列表
    strartQueryPOI(text, queryEx) {
      if (text.length == 0) {
        toastr.warning("请输入搜索关键字！");
        return;
      }

      // TODO:根据文本框输入内容,从数据库模糊查询到所有匹配结果（分页显示）
      this.addHistory(text);

      this.hideAllQueryBarView();

      //输入经纬度数字时
      if (this.isLonLat(text)) {
        this.centerAtLonLat(text);
        return;
      }

      //查询外部widget
      if (this.hasExWidget() && queryEx) {
        var qylist = this.queryExPOI(text);
        return;
      }
      //查询外部widget

      this.thispage = 1;
      this.queryText = text;

      this.query_city = this.address?.city;
      // this.query_location = this.map.getCenter()
      // this.query_radius = this.map.camera.positionCartographic.height //单位：米

      this.queryTextByServer();
    }
    queryTextByServer() {
      //查询获取数据
      this._queryPoi.queryText({
        text: this.queryText,
        count: this.pageSize,
        page: this.thispage - 1,
        city: this.query_city,
        // location: this.query_location,
        // radius: this.query_radius,
        success: (result) => {
          if (!this.isActivate) {
            return;
          }
          this.showPOIPage(result.list, result.allcount);
        },
      });
    }

    //===================显示查询结果处理========================
    showPOIPage(data, counts) {
      // count -- 显示搜索结果的数量；data -- 结果的属性，如地址电话等

      if (counts < data.length) {
        counts = data.length;
      }
      this.allpage = Math.ceil(counts / this.pageSize);

      var inhtml = "";
      if (counts == 0) {
        inhtml += '<div class="querybar-page"><div class="querybar-fl">没有找到"<strong>' + this.queryText + '</strong>"相关结果</div></div>';
      } else {
        this.objResultData = this.objResultData || {};
        for (var index = 0; index < data.length; index++) {
          var item = data[index];
          var startIdx = (this.thispage - 1) * this.pageSize;
          item.index = startIdx + (index + 1);

          var _id = index;

          inhtml += `<div class="querybar-site" onclick="queryGaodePOIWidget.showDetail('${_id}')">
            <div class="querybar-sitejj">
              <h3>${item.index}、${item.name}
              <a id="btnShowDetail" href="${item.detailUrl}" target="_blank" class="querybar-more">更多&gt;</a> </h3>
              <p> ${item.address || ""}</p>
            </div>
          </div> `;

          this.objResultData[_id] = item;
        }

        //分页信息
        var _fyhtml;
        if (this.allpage > 1) {
          _fyhtml =
            '<div class="querybar-ye querybar-fr">' +
            this.thispage +
            "/" +
            this.allpage +
            '页  <a href="javascript:queryBaiduPOIWidget.showFirstPage()">首页</a> <a href="javascript:queryBaiduPOIWidget.showPretPage()">&lt;</a>  <a href="javascript:queryBaiduPOIWidget.showNextPage()">&gt;</a> </div>';
        } else {
          _fyhtml = "";
        }

        //底部信息
        inhtml += '<div class="querybar-page"><div class="querybar-fl">找到<strong>' + counts + "</strong>条结果</div>" + _fyhtml + "</div>";
      }
      $("#querybar_resultlist_view").html(inhtml);
      $("#querybar_resultlist_view").show();

      this.showPOIArr(data);
      if (counts == 1) {
        this.showDetail("0");
      }
    }
    showFirstPage() {
      this.thispage = 1;
      this.queryTextByServer();
    }
    showNextPage() {
      this.thispage = this.thispage + 1;
      if (this.thispage > this.allpage) {
        this.thispage = this.allpage;
        toastr.warning("当前已是最后一页了");
        return;
      }
      this.queryTextByServer();
    }

    showPretPage() {
      this.thispage = this.thispage - 1;
      if (this.thispage < 1) {
        this.thispage = 1;
        toastr.warning("当前已是第一页了");
        return;
      }
      this.queryTextByServer();
    }
    //点击单个结果,显示详细
    showDetail(id) {
      var item = this.objResultData[id];
      this.flyTo(item);
    }
    clearLayers() {
      this.graphicLayer.closePopup();
      this.graphicLayer.clear();
    }
    showPOIArr(arr) {
      this.clearLayers();

      arr.forEach((item) => {
        var jd = Number(item.lng);
        var wd = Number(item.lat);
        if (isNaN(jd) || isNaN(wd)) {
          return;
        }

        item.lng = jd;
        item.lat = wd;

        //添加实体
        var graphic = new mars3d.graphic.PointEntity({
          position: Cesium.Cartesian3.fromDegrees(jd, wd),
          style: {
            pixelSize: 10,
            color: "#3388ff",
            outline: true,
            outlineColor: "#ffffff",
            outlineWidth: 2,
            scaleByDistance: new Cesium.NearFarScalar(1000, 1, 1000000, 0.1),
            clampToGround: true, //贴地
            visibleDepth: false, //是否被遮挡
            label: {
              text: item.name,
              font_size: 20,
              color: "rgb(240,255,255)",
              outline: true,
              outlineWidth: 2,
              outlineColor: Cesium.Color.BLACK,
              horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
              verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
              pixelOffsetY: -10, //偏移量
              distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0.0, 200000),
              clampToGround: true, //贴地
              visibleDepth: false, //是否被遮挡
            },
          },
          attr: item,
        });
        this.graphicLayer.addGraphic(graphic);

        item._graphic = graphic;
      });

      if (arr.length > 1) {
        this.graphicLayer.flyTo();
      }
    }
    flyTo(item) {
      var graphic = item._graphic;
      if (graphic == null) {
        window.toastr.warning(item.name + " 无经纬度坐标信息！");
        return;
      }

      this.map.flyToGraphic(graphic, { radius: 2000 });

      setTimeout(() => {
        this.graphicLayer.openPopup(graphic);
      }, 3000);
    }

    //===================坐标定位处理========================
    isLonLat(text) {
      var reg = /^-?((0|1?[0-7]?[0-9]?)(([.][0-9]*)?)|180(([.][0]*)?)),-?((0|[1-8]?[0-9]?)(([.][0-9]*)?)|90(([.][0]*)?))$/; /*定义验证表达式*/
      return reg.test(text); /*进行验证*/
    }
    centerAtLonLat(text) {
      var arr = text.split(",");
      if (arr.length != 2) {
        return;
      }

      var jd = Number(arr[0]);
      var wd = Number(arr[1]);
      if (isNaN(jd) || isNaN(wd)) {
        return;
      }

      //添加实体
      var graphic = new mars3d.graphic.PointEntity({
        position: Cesium.Cartesian3.fromDegrees(jd, wd),
        style: {
          color: "#3388ff",
          pixelSize: 10,
          outline: true,
          outlineColor: "#ffffff",
          outlineWidth: 2,
          scaleByDistance: new Cesium.NearFarScalar(1000, 1, 1000000, 0.1),
          clampToGround: true, //贴地
          visibleDepth: false, //是否被遮挡
        },
      });
      this.graphicLayer.addGraphic(graphic);

      graphic.bindPopup(`<div class="mars-popup-titile">坐标定位</div>
              <div class="mars-popup-content" >
                <div><label>经度</label> ${jd}</div>
                <div><label>纬度</label>${wd}</div>
              </div>`);

      graphic.openHighlight();

      graphic.flyTo({
        radius: 1000, //点数据：radius控制视距距离
        scale: 1.5, //线面数据：scale控制边界的放大比例
        complete: () => {
          graphic.openPopup();
        },
      });
    }

    //===================历史记录相关========================
    showHistoryList() {
      $("#querybar_histroy_view").hide();

      localforage.getItem(this.storageName).then((laststorage) => {
        if (laststorage == null) {
          return;
        }
        this.arrHistory = eval(laststorage);
        if (this.arrHistory == null || this.arrHistory.length == 0) {
          return;
        }

        var inhtml = "";
        for (var index = this.arrHistory.length - 1; index >= 0; index--) {
          var item = this.arrHistory[index];
          inhtml += "<li><i class='fa fa-history'/><a href=\"javascript:queryBaiduPOIWidget.autoSearch('" + item + "');\">" + item + "</a></li>";
        }
        $("#querybar_ul_history").html(inhtml);
        $("#querybar_histroy_view").show();
      });
    }

    clearHistory() {
      this.arrHistory = [];
      localforage.removeItem(this.storageName);

      $("#querybar_ul_history").html("");
      $("#querybar_histroy_view").hide();
    }

    //记录历史值
    addHistory(data) {
      this.arrHistory = [];
      localforage.getItem(this.storageName).then((laststorage) => {
        if (laststorage != null) {
          this.arrHistory = eval(laststorage);
        }
        //先删除之前相同记录
        haoutil.array.remove(this.arrHistory, data);
        this.arrHistory.push(data);

        if (this.arrHistory.length > 10) {
          this.arrHistory.splice(0, 1);
        }
        localforage.setItem(this.storageName, this.arrHistory);
      });
    }

    //======================查询非百度poi，联合查询处理=================
    //外部widget是否存在或启用
    hasExWidget() {
      if (window["queryBarWidget"] == null) {
        return false;
      } else {
        this.exWidget = window.queryBarWidget;
        return true;
      }
    }
    autoExTipList(text) {
      this.exWidget.autoTipList(text, () => {
        this.autoTipList(text, false);
      });
    }
    //调用外部widget进行查询
    queryExPOI(text) {
      var layer = this.graphicLayer;

      this.exWidget.strartQueryPOI(text, layer, () => {
        this.strartQueryPOI(text, false);
      });
    }
  }

  //注册到widget管理器中。
  window.queryBaiduPOIWidget = mars3d.widget.bindClass(MyWidget);

  //每个widet之间都是直接引入到index.html中，会存在彼此命名冲突，所以闭包处理下。
})(window, mars3d);