shuili-vue/src/views/reservoir/safeOperation/js/mapUtils.js

import axios from "axios";

const identifyLayerActions = {
  "021102": async (params) => {
    return new Promise(async (resolve, reject) => {
      const {
        url,
        input_geometry,
        geometry_type,
        layers = "all",
        returnGeometry = false,
        tolerance = 1,
      } = params;
      const result = await axios.get(`${url}.json`);
      if (result.status === 200 && result.data) {
        const { xmin, ymin, xmax, ymax } = result.data.fullExtent;
        const mapExtent = `${xmin},${ymin},${xmax},${ymax}`;
        const data = await axios.get(
          `${url}/identify?geometry=${input_geometry}&geometryType=${geometry_type}&layers=${layers}&returnGeometry=${returnGeometry}&mapExtent=${mapExtent}&imageDisplay=600,550,96&tolerance=${tolerance}&out_fields=*&f=json`
        );
        if (data.status === 200 && data.data) {
          resolve(data.data);
        } else {
          resolve(null);
        }
      }
    });
  },
  "030300": async (params) => {
    console.log(params);
  },
  "081100": async (params) => {
    return new Promise(async (resolve, reject) => {
      let {
        queryMode,
        bufferDistance,
        geometry,
        url,
        layerTable,
        layerName,
        k,
      } = params;
      // const queryUrl = url.split('maps/')[0].replace('map-', 'data-');
      let queryUrl = "";
      if (layerName.split(";").length == 1 && layerName.includes(":")) {
        queryUrl = url.split("maps/")[0].replace("map-", "data-");
      } else if (layerName.split(";").length == 2 && layerName.includes(":")) {
        let dataServiceLayerInfo = layerName.split(";");
        queryUrl = dataServiceLayerInfo[0]+"/";
        layerName = dataServiceLayerInfo[1];
      }
      let requestUrl = `${queryUrl}data/featureResults.rjson?returnContent=true`;
      if (k) {
        requestUrl += `&k=${k}`;
      }
      const result = await axios.post(
        requestUrl,
        JSON.stringify({
          datasetNames: [layerTable || layerName],
          getFeatureMode: queryMode,
          bufferDistance,
          geometry,
        }),
        {
          headers: {
            "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",
          },
        }
      );
      resolve(result);
    });
  },
};

export const queryLayersByPos = (position, layerList = [], cb) => {
  const { lng, lat } = position;
  const layers = layerList;
  layers.forEach(async (layer) => {
    const action = identifyLayerActions[layer.layerType];
    switch (layer.layerType) {
      case "021102": {
        const input_geometry = `${lng},${lat}`;
        const geometry_type = "esriGeometryPoint";
        const result = await action({
          input_geometry,
          geometry_type,
          url: layer.url,
        });
        let res;
        if (result?.results?.length > 0) {
          res = result.results[0];
        }
        if (cb) cb(res);
        break;
      }
      case "030300":
        break;
      case '081100': {
        const queryMode = 'BUFFER';
        const bufferDistance = 0.0005; // 缓冲距离大概是50米
        // const bufferDistance = 0.5; // 缓冲距离大概是??米
        const spatialQueryMode = 'INTERSECT';
        const geometry = {
          id: 0,
          style: null,
          parts: [1],
          points: [
            {
              x: lng,
              y: lat,
            },
          ],
          type: "POINT",
        };
        let type = "";
        let isSite = false;
        let layerTable = "";
        if (layer.extendData) {
          const extendData = JSON.parse(layer.extendData);
        }
        const result = await action({
          queryMode,
          spatialQueryMode,
          bufferDistance,
          geometry,
          layerName: layer.text,
          layerTable,
          url: layer.url,
          k: layer.serviceToken,
        });
        if ([200, 201].includes(result.status) && result?.data?.datasetInfos?.length > 0) {
          console.log("处理业务数据 >>>>>> ", result?.data);
          const fieldInfos = result.data.datasetInfos?.[0]?.fieldInfos;
          console.log('fieldInfos >>>>>  ', fieldInfos)
          const currentFeature = result.data.features?.[0];
          console.log('currentFeature >>>>>  ', currentFeature)
          const nameIndex = fieldInfos.findIndex((f) => ['res_name', 'dike_name', 'waga_name'].includes(f.name));
          const codeIndex = fieldInfos.findIndex((f) => ['res_code','dike_code', 'waga_code'].includes(f.name));
          // if (layer?.fields?.length > 0) {
          //   const fieldIndex = fieldInfos.findIndex((f) => f.name === layer?.fields[0]?.field);
          //   code = currentFeature?.fieldValues[fieldIndex];
          // }
          let resData = {
            attributes: {
              res_code: currentFeature[codeIndex],
              res_name: currentFeature[nameIndex],
            }
          }
          console.log('resData >>>>>  ', resData)
          if(cb) cb(resData)
        }
        break;
      }
      default:
        break;
    }
  });
};