初始

node_modules/@vant/weapp/dist/rate/index.js

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+import { getAllRect } from '../common/utils';
+import { VantComponent } from '../common/component';
+import { canIUseModel } from '../common/version';
+VantComponent({
+    field: true,
+    classes: ['icon-class'],
+    props: {
+        value: {
+            type: Number,
+            observer(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(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(event) {
+            const { data } = this;
+            const { score } = event.currentTarget.dataset;
+            if (!data.disabled && !data.readonly) {
+                this.setData({ innerValue: score + 1 });
+                if (canIUseModel()) {
+                    this.setData({ value: score + 1 });
+                }
+                wx.nextTick(() => {
+                    this.$emit('input', score + 1);
+                    this.$emit('change', score + 1);
+                });
+            }
+        },
+        onTouchMove(event) {
+            const { touchable } = this.data;
+            if (!touchable)
+                return;
+            const { clientX } = event.touches[0];
+            getAllRect(this, '.van-rate__icon').then((list) => {
+                const target = list
+                    .sort((cur, next) => cur.dataset.score - next.dataset.score)
+                    .find((item) => clientX >= item.left && clientX <= item.right);
+                if (target != null) {
+                    this.onSelect(Object.assign(Object.assign({}, event), { currentTarget: target }));
+                }
+            });
+        },
+    },
+});