解决mpvue-picker组件第一次不显示的问题。

examples/hello-uniapp/components/mpvue-citypicker/mpvueCityPicker.vue

@@ -33,32 +33,38 @@ export default {
       pickerValue: [0, 0, 0],
       provinceDataList: [],
       cityDataList: [],
-      areaDataList: []
+      areaDataList: [],
+			/* 是否显示控件 */
+			showPicker: false,
     };
   },
   created() {
-    this.handPickValueDefault(); // 对 pickerValueDefault 做兼容处理
-    this.provinceDataList = provinceData;
-    this.cityDataList = cityData[this.pickerValueDefault[0]];
-    this.areaDataList =
-      areaData[this.pickerValueDefault[0]][this.pickerValueDefault[1]];
-    this.pickerValue = this.pickerValueDefault;
+    this.init()
   },
   props: {
-    /* 是否显示控件 */
-    showPicker: {
-      type: Boolean,
-      default: false
-    },
     /* 默认值 */
     pickerValueDefault: {
       type: Array,
-      default: [0, 0, 0]
+      default(){
+				return [0, 0, 0]
+			}
     },
     /* 主题色 */
     themeColor: String
   },
+	watch:{
+		pickerValueDefault(){
+			this.init();
+		}
+	},
   methods: {
+		init() {
+			this.handPickValueDefault(); // 对 pickerValueDefault 做兼容处理
+			this.provinceDataList = provinceData;
+			this.cityDataList = cityData[this.pickerValueDefault[0]];
+			this.areaDataList = areaData[this.pickerValueDefault[0]][this.pickerValueDefault[1]];
+			this.pickerValue = this.pickerValueDefault;
+		},
     show() {
       setTimeout(() => {
         this.showPicker = true;

examples/hello-uniapp/components/mpvue-picker/mpvuePicker.vue

@@ -78,7 +78,9 @@
                 pickerValueMulTwoTwo: [],
                 pickerValueMulThreeOne: [],
                 pickerValueMulThreeTwo: [],
-                pickerValueMulThreeThree: []
+                pickerValueMulThreeThree: [],
+				/* 是否显示控件 */
+				showPicker: false,
             };
         },
         props: {
@@ -87,20 +89,19 @@
                 type: String,
                 default: 'selector'
             },
-            /* 是否显示控件 */
-            showPicker: {
-                type: Boolean,
-                default: false
-            },
             /* picker 数值 */
             pickerValueArray: {
                 type: Array,
-                default: []
+                default(){
+					return []
+				}
             },
             /* 默认值 */
             pickerValueDefault: {
                 type: Array,
-                default: []
+                default(){
+                	return []
+                }
             },
             /* 几级联动 */
             deepLength: {
@@ -116,7 +117,10 @@
             },
             mode(oldVal, newVal) {
                 this.modeChange = true;
-            }
+            },
+			pickerValueArray(val){
+				this.initPicker(val);
+			}
         },
         methods: {
             initPicker(valueArray) {

examples/hello-uniapp/pages/template/mpvue-picker/mpvue-picker.vue

@@ -34,7 +34,6 @@
 		data() {
 			return {
 				title : "mvpue-picker 使用示例",
-				pickerValueDefault: [0, 0],
 				pickerSingleArray: [{
 						label: '中国',
 						value: 1
@@ -58,7 +57,8 @@
 				pickerText: '',
 				mode: '',
 				deepLength: 1,
-				pickerValueDefault: [0]
+				pickerValueDefault: [0],
+				pickerValueArray:[]
 			};
 		},
 		methods: {