index.js
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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: {
type: String,
value: '#ffd21e',
},
voidColor: {
type: String,
value: '#c7c7c7',
},
disabledColor: {
type: String,
value: '#bdbdbd',
},
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];
this.getRect('.van-rate__icon', true).then((list) => {
const target = list
.sort((item) => item.right - item.left)
.find((item) => clientX >= item.left && clientX <= item.right);
if (target != null) {
this.onSelect(
Object.assign(Object.assign({}, event), { currentTarget: target })
);
}
});
},
},
});