合并

src/Tools/index.js

@@ -127,9 +127,9 @@ class Tools {
     var alt = cartographic.height < 0 ? 0 : cartographic.height
     // var alt = cartographic.height
     return {
-      lng: lng,
-      lat: lat,
-      alt: alt,
+      lng: Number(lng.toFixed(8)),
+      lat: Number(lat.toFixed(8)),
+      alt: Number(alt.toFixed(2)),
     }
   }
 
@@ -141,13 +141,14 @@ class Tools {
    * @param [fractionDigits=2] 保留小数点位数
    * @param [ground=true] 是否贴地
    * */
-  async computeDistance(positions = [], fractionDigits = 2, type = '空间长度') {
+  async computeDistance(positions = [], fractionDigits = 2, type = 0) {
     if (positions.length < 2) {
       return 0
     } else {
       let length = 0
       switch (type) {
-        case '空间长度':
+        case '0':
+        case 0:
           for (let i = 0; i < positions.length - 1; i++) {
             const position1 = Cesium.Cartesian3.fromDegrees(positions[i].lng, positions[i].lat, positions[i].alt);
             const position2 = Cesium.Cartesian3.fromDegrees(positions[i + 1].lng, positions[i + 1].lat, positions[i + 1].alt);
@@ -155,7 +156,8 @@ class Tools {
             length = length + distance
           }
           break
-        case '投影长度':
+        case '1':
+        case 1:
           for (let i = 0; i < positions.length - 1; i++) {
             const position1 = Cesium.Cartesian3.fromDegrees(positions[i].lng, positions[i].lat, 0);
             const position2 = Cesium.Cartesian3.fromDegrees(positions[i + 1].lng, positions[i + 1].lat, 0);
@@ -163,7 +165,8 @@ class Tools {
             length = length + distance
           }
           break
-        case '地表长度':
+        case '2':
+        case 2:
           let meters
           let lineString2 = []
           positions.forEach((item) => {
@@ -1243,14 +1246,28 @@ class Tools {
    * */
   deepCopyObj(obj) {
     let newobj = null;
-    //判断是否需要继续进行递归
-    if (typeof (obj) == 'object' && obj !== null) {
-      newobj = obj instanceof Array ? [] : {};                //进行下一层递归克隆
+    // 处理数组 - 使用原生Array构造函数创建新数组
+    if (Array.isArray(obj)) {
+      newobj = [];
+      // 只拷贝数组元素，不拷贝可能存在的扩展方法
+      for (let i = 0; i < obj.length; i++) {
+        newobj[i] = this.deepCopyObj(obj[i]);
+      }
+      return newobj;
+    }
+
+    // 处理对象
+    else if (obj && typeof obj === 'object') {
+      newobj = {};
       for (let i in obj) {
-        if (i != 'earth' && i != 'Dialog')
-          newobj[i] = this.deepCopyObj(obj[i])
-      }                //如果不是对象直接赋值
-    } else newobj = obj;
+        // 排除指定属性和方法属性
+        if (i !== 'earth' && i !== 'Dialog' && typeof obj[i] !== 'function') {
+          newobj[i] = this.deepCopyObj(obj[i]);
+        }
+      }
+      return newobj;
+    }
+    else newobj = obj;
     return newobj;
   }