[feat][V]:新增转换器工具函数库

element-vue/src/utils/converter.js

@@ -0,0 +1,43 @@
+export function arr2shortString(arr) {
+    if (arr.length === 1) return arr[0]
+    arr = [...new Set(arr)]                                 //去重
+    arr = arr.sort(function (a, b) {
+        return a - b
+    })
+    var min = arr[0]
+    var max
+    var newArr = []
+    for (let i = 0; i < arr.length - 1; i++) {
+        max = arr[i] === arr[i + 1] - 1 ? arr[i + 1] : arr[i]
+        if (max === arr[i] || max === arr[arr.length - 1]) {
+            newArr.push(min === max ? max : min + '-' + max)
+            min = arr[i + 1]
+            if (min === arr[arr.length - 1] && min - 1 !== arr[i]) {
+                newArr.push(min)
+            }
+        }
+    }
+    return newArr.toString()
+}
+
+//分割，arr为数组，range为分割范围，要求：arr为已排序数组,range为正整数
+export function seg(arr, range) {
+    arr = [...new Set(arr)]                                 //去重
+    var min = arr[0]
+    var max
+    var newArr = []
+    for (let i = 0; i < arr.length - 1; i++) {
+        max = arr[i] === arr[i + 1] - 1 ? arr[i + 1] : arr[i]
+        if (arr[i] - min === range - 1) {                                     //在constrict的基础上加if
+            newArr.push(min + '-' + arr[i])
+            min = arr[i + 1]
+        } else if (max === arr[i] || max === arr[arr.length - 1]) {
+            newArr.push(min === max ? max : min + '-' + max)
+            min = arr[i + 1]
+            if (min === arr[arr.length - 1] && min - 1 !== arr[i]) {
+                newArr.push(min)
+            }
+        }
+    }
+    return newArr.toString()
+}