提交初始版本，使用vant ui库

miniprogram_npm/@vant/weapp/rate/index.d.ts

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+export {};

miniprogram_npm/@vant/weapp/rate/index.js

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+"use strict";
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+var utils_1 = require("../common/utils");
+var component_1 = require("../common/component");
+var version_1 = require("../common/version");
+(0, component_1.VantComponent)({
+    field: true,
+    classes: ['icon-class'],
+    props: {
+        value: {
+            type: Number,
+            observer: function (value) {
+                if (value !== this.data.innerValue) {
+                    this.setData({ innerValue: value });
+                }
+            },
+        },
+        readonly: Boolean,
+        disabled: Boolean,
+        allowHalf: Boolean,
+        size: null,
+        icon: {
+            type: String,
+            value: 'star',
+        },
+        voidIcon: {
+            type: String,
+            value: 'star-o',
+        },
+        color: String,
+        voidColor: String,
+        disabledColor: String,
+        count: {
+            type: Number,
+            value: 5,
+            observer: function (value) {
+                this.setData({ innerCountArray: Array.from({ length: value }) });
+            },
+        },
+        gutter: null,
+        touchable: {
+            type: Boolean,
+            value: true,
+        },
+    },
+    data: {
+        innerValue: 0,
+        innerCountArray: Array.from({ length: 5 }),
+    },
+    methods: {
+        onSelect: function (event) {
+            var _this = this;
+            var data = this.data;
+            var score = event.currentTarget.dataset.score;
+            if (!data.disabled && !data.readonly) {
+                this.setData({ innerValue: score + 1 });
+                if ((0, version_1.canIUseModel)()) {
+                    this.setData({ value: score + 1 });
+                }
+                wx.nextTick(function () {
+                    _this.$emit('input', score + 1);
+                    _this.$emit('change', score + 1);
+                });
+            }
+        },
+        onTouchMove: function (event) {
+            var _this = this;
+            var touchable = this.data.touchable;
+            if (!touchable)
+                return;
+            var clientX = event.touches[0].clientX;
+            (0, utils_1.getAllRect)(this, '.van-rate__icon').then(function (list) {
+                var target = list
+                    .sort(function (cur, next) { return cur.dataset.score - next.dataset.score; })
+                    .find(function (item) { return clientX >= item.left && clientX <= item.right; });
+                if (target != null) {
+                    _this.onSelect(__assign(__assign({}, event), { currentTarget: target }));
+                }
+            });
+        },
+    },
+});

miniprogram_npm/@vant/weapp/rate/index.json

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+{
+  "component": true,
+  "usingComponents": {
+    "van-icon": "../icon/index"
+  }
+}

miniprogram_npm/@vant/weapp/rate/index.wxml

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+<wxs src="../wxs/utils.wxs" module="utils" />
+<wxs src="../wxs/style.wxs" module="style" />
+
+<view
+  class="{{ utils.bem('rate') }} custom-class"
+  bind:touchmove="onTouchMove"
+>
+  <view
+    class="{{ utils.bem('rate__item') }}"
+    wx:for="{{ innerCountArray }}"
+    wx:key="index"
+    style="{{ style({ paddingRight: index !== count - 1 ? utils.addUnit(gutter) : null }) }}"
+  >
+    <van-icon
+      name="{{ index + 1 <= innerValue ? icon : voidIcon }}"
+      class="{{ utils.bem('rate__icon', [{ disabled, full: index + 1 <= innerValue }])}}"
+      style="{{ style({ fontSize: utils.addUnit(size) }) }}"
+      custom-class="icon-class"
+      data-score="{{ index }}"
+      color="{{ disabled ? disabledColor : index + 1 <= innerValue ? color : voidColor }}"
+      bind:click="onSelect"
+    />
+
+    <van-icon
+      wx:if="{{ allowHalf }}"
+      name="{{ index + 0.5 <= innerValue ? icon : voidIcon }}"
+      class="{{ utils.bem('rate__icon', ['half', { disabled, full: index + 0.5 <= innerValue }]) }}"
+      style="{{ style({ fontSize: utils.addUnit(size) }) }}"
+      custom-class="icon-class"
+      data-score="{{ index - 0.5 }}"
+      color="{{ disabled ? disabledColor : index + 0.5 <= innerValue ? color : voidColor }}"
+      bind:click="onSelect"
+    />
+  </view>
+</view>

miniprogram_npm/@vant/weapp/rate/index.wxss

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+@import '../common/index.wxss';.van-rate{display:inline-flex;-webkit-user-select:none;user-select:none}.van-rate__item{padding:0 var(--rate-horizontal-padding,2px);position:relative}.van-rate__item:not(:last-child){padding-right:var(--rate-icon-gutter,4px)}.van-rate__icon{color:var(--rate-icon-void-color,#c8c9cc);display:block;font-size:var(--rate-icon-size,20px);height:100%}.van-rate__icon--half{left:var(--rate-horizontal-padding,2px);overflow:hidden;position:absolute;top:0;width:.5em}.van-rate__icon--full,.van-rate__icon--half{color:var(--rate-icon-full-color,#ee0a24)}.van-rate__icon--disabled{color:var(--rate-icon-disabled-color,#c8c9cc)}