修改大小月判断条件错误的bug

src/components/picker/datepicker.ts

@@ -3,7 +3,6 @@ import {
   CSSResultArray,
   html,
   HTMLTemplateResult,
-  TemplateResult,
   nothing,
 } from 'lit'
 import {customElement, property, query} from 'lit/decorators.js'
@@ -70,7 +69,7 @@ export interface options {
   startDate?: ''
 }
 
-// 时间选择器选项——此处后续优化部分
+// 时间选择器选项——此处为后续优化部分
 export interface opt {
   container: string
   scrollType: string
@@ -90,7 +89,7 @@ export interface opt {
 
 export type itemdate = {
   value: number
-  display: number
+  display: string
 }
 
 // 定义滚轮内容类型
@@ -915,8 +914,8 @@ export class PickerBase extends LitElement {
     }
   }
 
-  public addZero(num: number): number {
-    return num < 10 ? num : num
+  public addZero(num: number){
+    return num < 10 ? '0' + num : String(num)
   }
 
   public opt: opt = {
@@ -987,23 +986,23 @@ export class PickerBase extends LitElement {
   public initDateInfo() {
     // 年
     for (let i = this.beginYear; i <= this.endYear; i++) {
-      this.yearData.push({value: this.addZero(i), display: this.addZero(i)})
+      this.yearData.push({value: i, display: this.addZero(i)})
     }
     // 月
     for (let i = 1; i <= 12; i++) {
-      this.monthData.push({value: this.addZero(i), display: this.addZero(i)})
+      this.monthData.push({value: i, display: this.addZero(i)})
     }
     // 日
     for (let i = 1; i <= 31; i++) {
-      this.dayData.push({value: this.addZero(i), display: this.addZero(i)})
+      this.dayData.push({value: i, display: this.addZero(i)})
     }
     // 时
     for (let i = 0; i <= 23; i++) {
-      this.hourData.push({value: this.addZero(i), display: this.addZero(i)})
+      this.hourData.push({value: i, display: this.addZero(i)})
     }
     // 分
     for (let i = 0; i <= 59; i++) {
-      this.minuteData.push({value: this.addZero(i), display: this.addZero(i)})
+      this.minuteData.push({value: i, display: this.addZero(i)})
     }
     // 判断显示日期/时间
     if (!this.opt.date) {
@@ -1044,9 +1043,9 @@ export class PickerBase extends LitElement {
   }
 
   // 判断大小月
-  public bigSmallMonth(dayObj:any, year: number, month: String) {
+  public bigSmallMonth(dayObj:any, year: number, month: number) {
     let smallMonth =
-      month == '04' || month == '06' || month == '09' || month == '11'
+      month == 4 || month == 6 || month == 9 || month == 11
     dayObj.appendItem([
       {value: '29', display: '29'},
       {value: '30', display: '30'},
@@ -1054,7 +1053,7 @@ export class PickerBase extends LitElement {
     ])
     if (smallMonth) {
       dayObj.removeItem(['31'])
-    } else if (month == '02') {
+    } else if (month == 2) {
       if (this.isLeepTear(year)) {
         dayObj.removeItem(['30', '31'])
       } else {