From b27e031827eae0f535d17bb20ff4809699151a17 Mon Sep 17 00:00:00 2001
From: YANGDL <114714267@qq.com>
Date: 星期一, 08 二月 2021 15:42:37 +0800
Subject: [PATCH] 修改了leaflet L加载模式 修改了使用less加载方式

---
 src/components/helpers/ServiceLayerHelper.js |  233 ++++++++++++++++++++++++++++++++++------------------------
 1 files changed, 137 insertions(+), 96 deletions(-)

diff --git a/src/components/helpers/ServiceLayerHelper.js b/src/components/helpers/ServiceLayerHelper.js
index c815807..c85d32b 100644
--- a/src/components/helpers/ServiceLayerHelper.js
+++ b/src/components/helpers/ServiceLayerHelper.js
@@ -2,121 +2,162 @@
 /**
  * 鍒涘缓鍥惧眰鐩稿叧鐨勭被
  */
-import L from 'leaflet'
-class ServiceLayerHelper {
-    constructor(options){
-        this.map = options.map
-        this.L = options.L
-        this.tileLayersMap = new Map()
-        this.tileLayersArray = []
-        this.mapConfig = {}
-    }
 
-    /**
+class ServiceLayerHelper {
+  constructor (options) {
+    this.map = options.map
+    this.L = window.L
+    this.tileLayersMap = new Map()
+    this.tileLayersWMSArray = []
+    this.tileLayerWmslayerGroup = this.L.layerGroup().addTo(this.map)
+    this.tileLayersWMTSArray = []
+    this.tileLayersTileArray = []
+    this.mapConfig = {}
+  }
+
+  getTileLayer (code) {
+    return this.tileLayersMap.get(code)
+  }
+
+  /**
      * 鏍规嵁閰嶇疆鏂囦欢鍒濆鍖栦笟鍔″簳鍥�
      */
-    initServiceLayers(mapConfig){
-        console.log(mapConfig)
-        this.mapConfig = mapConfig
+  initServiceLayers (mapConfig) {
+    this.mapConfig = mapConfig
+    this._loadLayers(mapConfig)
+  }
 
-        this._loadLayers(mapConfig)
-    }
-
-    _loadLayers(mapConfig, isAddToMap = true){
-        console.debug('ServiceLayerHelper鍔犺浇鍙傛暟锛�',mapConfig)
-        this.loadTileLayer(mapConfig, isAddToMap)
-        this.loadWmtsLayer(mapConfig, isAddToMap)
-        this.loadWmtsLayer(mapConfig, isAddToMap)
-    }
-
-    /**
-     * 寰�鍦板浘涓姞鍏ヤ竴涓猼ile鏈嶅姟
-     * @param {}} options 
-     * @param {*} isAddToMap 
+  /**
+     * 鎸夐厤缃枃浠跺姞杞戒笁绉嶄笉鍚岀被鍨嬬殑
+     * @param {*} mapConfig
+     * @param {*} isAddToMap
      */
-    loadWmtsLayer(options, isAddToMap = true) {
-        for(let i = 0, len = options.mapConfig.ServiceLayers.length; i < len; ++i) {
-            let opt = options.mapConfig.ServiceLayers[i]
-            if(opt.type !== 'wmts') {
-                continue
-            }
-            const layer = this.L.tileLayer(opt.url, opt.option);
-       
-            if(isAddToMap) {
-                layer.addTo(this.map)
-            }
-            this.tileLayersMap.set(opt.code, layer)
-            this.tileLayersArray.push(layer)
-        }
+  _loadLayers (mapConfig, isAddToMap = true) {
+    console.debug('ServiceLayerHelper鍔犺浇鍙傛暟锛�', mapConfig)
+    for (let i = 0, len = mapConfig.mapConfig.ServiceLayers.length; i < len; ++i) {
+      const opt = mapConfig.mapConfig.ServiceLayers[i]
+      if (opt.type === 'wmts') {
+        this.loadWmtsLayer(opt, isAddToMap, mapConfig.mapConfig.ServiceLayers[i])
+      } else if (opt.type === 'wms') {
+        this.loadWmsLayer(opt, isAddToMap, mapConfig.mapConfig.ServiceLayers[i])
+      } else if (opt.type === 'tile') {
+        this.loadTileLayer(opt, isAddToMap, mapConfig.mapConfig.ServiceLayers[i])
+      }
     }
-    /**
+  }
+
+  /**
+     * 寰�鍦板浘涓姞鍏ヤ竴涓猈MTS鏈嶅姟
+     * @param {}} options
+     * @param {*} isAddToMap
+     */
+  loadWmtsLayer (options, isAddToMap = true, config) {
+    const layer = this.L.tileLayer(options.url, options.option)
+    layer.config = config
+
+    if (isAddToMap) {
+      layer.addTo(this.map)
+    }
+    this.tileLayersMap.set(options.code, layer)
+    this.tileLayersWMTSArray.push(layer)
+  }
+
+  /**
      * 寰�鍦板浘涓姞鍏ヤ竴涓猈MS鏈嶅姟
-     * @param {}} options 
-     * @param {*} isAddToMap 
+     * @param {}} options
+     * @param {*} isAddToMap
      */
-    loadWmsLayer(options, isAddToMap = true) {
-        for(let i = 0, len = options.mapConfig.ServiceLayers.length; i < len; ++i) {
-            let opt = options.mapConfig.ServiceLayers[i]
-            if(opt.type !== 'wms') {
-                continue
-            }
+  loadWmsLayer (options, isAddToMap = true, config) {
+    const layer = this.L.tileLayer.wms(options.url, options.option)
+    layer.config = config
 
-            const layer =this.L.tileLayer.wms(opt.url, opt.option);
-       
-            if(isAddToMap) {
-                layer.addTo(this.map)
-            }
-            this.tileLayersMap.set(opt.code, layer)
-            this.tileLayersArray.push(layer)
-        }
-        
+    if (isAddToMap) {
+      layer.addTo(this.tileLayerWmslayerGroup)
     }
+    this.tileLayersMap.set(options.code, layer)
+    this.tileLayersWMSArray.push(layer)
+  }
 
-    /**
-     * 寰�鍦板浘涓姞鍏ヤ竴涓猈MS鏈嶅姟
-     * @param {}} options 
-     * @param {*} isAddToMap 
+  /**
+     * 寰�鍦板浘涓姞鍏ヤ竴涓猅ILE鏈嶅姟
+     * @param {}} options
+     * @param {*} isAddToMap
      */
-    loadTileLayer(options, isAddToMap = true) {
-        for(let i = 0, len = options.mapConfig.ServiceLayers.length; i < len; ++i) {
-            let opt = options.mapConfig.ServiceLayers[i]
-            if(opt.type !== 'tile') {
-                continue
-            }
+  loadTileLayer (options, isAddToMap = true, config) {
+    const layer = this.L.tileLayer(options.url, {
+      layers: options.layers || 'all', // country
+      format: options.format || 'image/png',
+      transparent: options.true || true,
+      crs: options.crs || this.L.CRS.EPSG4326,
+      maxZoom: options.maxZoom || 21,
+      minZoom: options.minZoom || 1,
+      zoomOffset: options.zoomOffset || 0
+    })
+    layer.config = config
 
-            const layer =this.L.tileLayer(opt.url, {
-                layers: opt.layers || 'all',//country
-                format: opt.format || "image/png",
-                transparent: opt.true || true,
-                crs:opt.crs || L.CRS.EPSG4326,
-                maxZoom: opt.maxZoom || 21,
-                minZoom: opt.minZoom || 1,
-                zoomOffset: opt.zoomOffset || 0
-            });
-       
-            if(isAddToMap) {
-                layer.addTo(this.map)
-            }
-            this.tileLayersMap.set(opt.code , layer)
-            this.tileLayersArray.push(layer)
-        }
+    if (isAddToMap) {
+      layer.addTo(this.map)
     }
-    /**
+    this.tileLayersMap.set(options.code, layer)
+    this.tileLayersTileArray.push(layer)
+  }
+
+  /**
      * 闅愯棌鏈嶅姟鍥惧眰
-     * @param {*} name 
+     * @param {*} name
      */
-    hideTileLayer(name){
-        if(this.tileLayersMap){
-            let tileLayer = this.tileLayersMap.get(name)
-            this.map.removeLayer(tileLayer)
-        }
+  hideTileLayer (code) {
+    if (this.tileLayersMap) {
+      const tileLayer = this.tileLayersMap.get(code)
+      this.map.removeLayer(tileLayer)
     }
+  }
 
-    /**
-     * 鑾峰彇鎵�鏈夌殑鏈嶅姟鍥惧眰
+  /**
+     * 灞曠ず鏈嶅姟鍥惧眰
+     * @param {*} name
      */
-    getTileLayers(){
-        return this.tilelayersArray
+  showTileLayer (code) {
+    if (this.tileLayersMap) {
+      const tileLayer = this.tileLayersMap.get(code)
+      this.map.addLayer(tileLayer)
     }
+  }
+
+  /**
+     * 鑾峰彇鎵�鏈夌殑TILE鏈嶅姟鍥惧眰
+     */
+  getTileLayers () {
+    return this.tileLayersTileArray
+  }
+
+  /**
+     * 鑾峰彇鎵�鏈夌殑WMTS鏈嶅姟鍥惧眰
+     */
+  getWmtsLayers () {
+    return this.tileLayersWMTSArray
+  }
+
+  /**
+     * 鑾峰彇鎵�鏈夌殑WMS鏈嶅姟鍥惧眰
+     */
+  getWmsLayers () {
+    return this.tileLayersWMSArray
+  }
+
+  /**
+     * 閫氳繃code鏌ユ壘WMS鐨勬湇鍔¢厤缃�
+     * @param {} code wms鏈嶅姟閰嶇疆鐨刢ode
+     */
+  getWMSConfig (code) {
+    const mc = this.mapConfig
+    for (let i = 0, len = mc.mapConfig.ServiceLayers.length; i < len; ++i) {
+      if (code === mc.mapConfig.ServiceLayers[i].code && mc.mapConfig.ServiceLayers[i].type === 'wms') {
+        return mc.mapConfig.ServiceLayers[i]
+      }
+    }
+    return null
+  }
 }
+
 export default ServiceLayerHelper

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