提交初始版本，使用vant ui库

miniprogram_npm/@vant/weapp/common/version.js

@@ -0,0 +1,70 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.canIUseGetUserProfile = exports.canIUseCanvas2d = exports.canIUseNextTick = exports.canIUseGroupSetData = exports.canIUseAnimate = exports.canIUseFormFieldButton = exports.canIUseModel = exports.getSystemInfoSync = void 0;
+var systemInfo;
+function getSystemInfoSync() {
+    if (systemInfo == null) {
+        systemInfo = wx.getSystemInfoSync();
+    }
+    return systemInfo;
+}
+exports.getSystemInfoSync = getSystemInfoSync;
+function compareVersion(v1, v2) {
+    v1 = v1.split('.');
+    v2 = v2.split('.');
+    var len = Math.max(v1.length, v2.length);
+    while (v1.length < len) {
+        v1.push('0');
+    }
+    while (v2.length < len) {
+        v2.push('0');
+    }
+    for (var i = 0; i < len; i++) {
+        var num1 = parseInt(v1[i], 10);
+        var num2 = parseInt(v2[i], 10);
+        if (num1 > num2) {
+            return 1;
+        }
+        if (num1 < num2) {
+            return -1;
+        }
+    }
+    return 0;
+}
+function gte(version) {
+    var system = getSystemInfoSync();
+    return compareVersion(system.SDKVersion, version) >= 0;
+}
+function canIUseModel() {
+    return gte('2.9.3');
+}
+exports.canIUseModel = canIUseModel;
+function canIUseFormFieldButton() {
+    return gte('2.10.3');
+}
+exports.canIUseFormFieldButton = canIUseFormFieldButton;
+function canIUseAnimate() {
+    return gte('2.9.0');
+}
+exports.canIUseAnimate = canIUseAnimate;
+function canIUseGroupSetData() {
+    return gte('2.4.0');
+}
+exports.canIUseGroupSetData = canIUseGroupSetData;
+function canIUseNextTick() {
+    try {
+        return wx.canIUse('nextTick');
+    }
+    catch (e) {
+        return gte('2.7.1');
+    }
+}
+exports.canIUseNextTick = canIUseNextTick;
+function canIUseCanvas2d() {
+    return gte('2.9.0');
+}
+exports.canIUseCanvas2d = canIUseCanvas2d;
+function canIUseGetUserProfile() {
+    return !!wx.getUserProfile;
+}
+exports.canIUseGetUserProfile = canIUseGetUserProfile;