From ea446a1a9cdaf333a062ea471a3bde02b6eda655 Mon Sep 17 00:00:00 2001
From: 徐旺旺 <11530253@qq.com>
Date: 星期二, 13 四月 2021 14:08:39 +0800
Subject: [PATCH] 根据不同级别显示隐藏图层

---
 src/components/LayerController/service/LayerFactory.js |   34 ++++++++++++++++++++++++++++++++--
 1 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/components/LayerController/service/LayerFactory.js b/src/components/LayerController/service/LayerFactory.js
index b617ae5..65f89e6 100644
--- a/src/components/LayerController/service/LayerFactory.js
+++ b/src/components/LayerController/service/LayerFactory.js
@@ -25,6 +25,36 @@
     }
   }
 
+  /**
+   * 鎺у埗鏄剧ず鐨勭骇鍒�
+   * @param layerConfig
+   */
+  initEvent (layerConfig) {
+    this.map.on('zoomend ', (e) => this.toggleByZoom(layerConfig))
+  }
+
+  toggleByZoom (layerConfig) {
+    const zoom = this.map.getZoom()
+    if (layerConfig) {
+      for (var i = 0, l = layerConfig.length; i < l; i++) {
+        var config = layerConfig[i]
+        var layers = config.layers
+        var checked = config.checked
+        var childLayer = config.childLayer
+        layers && this.toggleByZoom(layers)
+        childLayer && this.toggleByZoom(childLayer)
+        if (checked && config.minZoom) {
+          if (zoom > config.minZoom) {
+            this.show(config)
+          } else {
+            console.log(config.name)
+            this.hide(config)
+          }
+        }
+      }
+    }
+  }
+
   load (config) {
     var code = config.code
     var wfs = config.wfs
@@ -91,9 +121,9 @@
         this.setZIndex(layer.getLayers())
       } else {
         if (layer.feature && (layer.feature.geometry.type === 'LineString' || layer.feature.geometry.type === 'MultiLineString')) {
-          layer.bringToBack()
+          layer.bringToBack && layer.bringToBack()
         } else {
-          layer.bringToFront()
+          layer.bringToFront && layer.bringToFront()
         }
       }
     }

--
Gitblit v1.8.0