修改

src/utils/index.js

@@ -622,6 +622,34 @@ export function random(m, n) {
   return Math.floor(Math.random() * (m - n) + n);
 }
 
+
+export function isDefine(value) {
+    if (value == null || value == "" || value == "undefined" || value == undefined || value == "null" || value == "(null)" || value == 'NULL' || typeof (value) == 'undefined') {
+        return false;
+    } else {
+        value = value + "";
+        value = value.replace(/\s/g, "");
+        if (value == "") {
+            return false;
+        }
+        return true;
+    }
+}
+
+export function isNum(num,isdefine = true){
+	num = parseFloat(num);
+  if(isdefine && !isDefine(num)){
+    return false;
+  }
+	if (isNaN(num) || num<0){
+	    return false;
+	}
+	return true;
+}
+
+
+
+
 /**
 
  * @description addEventListener