排序问题 0 !a[orderName] || !b[orderName]

src/views/teachers/index.vue

@@ -162,10 +162,10 @@ export default {
             let orderType = isSortUp ? -1 : 1
             let orderData = this.oldParmDataDoctList.slice()
             orderData.sort((a, b)=> {
-                if (!a[orderName] || !b[orderName]) {
-                    return 0
-                }
                 if (orderName === 'doctorFirstNameChar') {
+                    if (!a[orderName] || !b[orderName]) {
+                        return 0
+                    }
                     if (a[orderName] > b[orderName]) {
                         return 1 * orderType
                     } else if (a[orderName] < b[orderName]) {
@@ -174,6 +174,9 @@ export default {
                         return 0
                     }
                 } else if(orderName === 'newTime') {
+                    if (!a[orderName] || !b[orderName]) {
+                        return 0
+                    }
                     let aTime = (new Date((a[orderName]).replace(/-/g, "/")).getTime())/1000
                     let bTime = (new Date((b[orderName]).replace(/-/g, "/")).getTime())/1000
                     if(aTime == bTime) return 0