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fix(swiper): 修复current受控时表现 #1661

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fix(swiper): 修复current受控时表现 #1661

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af38ffd
fix: 修复current受控时表现
novlan1 Nov 29, 2024
bcc0c55
feat(swiper): 优化swiper
novlan1 Nov 29, 2024
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8 changes: 7 additions & 1 deletion src/swiper/demos/current.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
</t-swiper-item>
</t-swiper>
<div class="tdesign-demo-block-row">
<t-button size="small" theme="primary" @click="current = current + 2 > 5 ? 0 : current + 1">
<t-button size="small" theme="primary" @click="changeCurrent">
跳转到第 {{ current + 2 >= 6 ? 1 : current + 2 }} 项
</t-button>
</div>
Expand All @@ -33,10 +33,16 @@ const current = ref(0);

const handleChange = (index: number, context: any) => {
console.log('基础示例,页数变化到》》》', index, context);
current.value = index;
};

const handleClick = (value: number) => {
console.log('click: ', value);
current.value = value;
};

const changeCurrent = () => {
current.value = current.value + 2 > 5 ? 0 : current.value + 1;
};
</script>

Expand Down
19 changes: 13 additions & 6 deletions src/swiper/swiper.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ export default defineComponent({
const { current: value, modelValue } = toRefs(props);
const [currentIndex, setCurrent] = useVModel(value, modelValue, props.defaultCurrent);
const swiperContainer = ref<HTMLElement | null>(null);
const previous = ref(currentIndex.value ?? 0);

const animating = ref(false);
const disabled = ref(false);
Expand Down Expand Up @@ -77,9 +78,10 @@ export default defineComponent({
props.onClick?.(currentIndex.value ?? 0);
};

const move = (step: number, source: SwiperChangeSource, isReset = false) => {
const move = (step: number, source: SwiperChangeSource, isReset = false, targetValue?: number) => {
animating.value = true;
processIndex(isReset ? step : (currentIndex.value as number) + step, source);
const innerTargetValue = targetValue ?? (isReset ? step : currentIndex.value + step);
processIndex(innerTargetValue, source);

const moveDirection = !isVertical.value ? 'X' : 'Y';
const distance = root.value?.[isVertical.value ? 'offsetHeight' : 'offsetWidth'] ?? 0;
Expand Down Expand Up @@ -117,6 +119,11 @@ export default defineComponent({
move(1, source);
};

const innerSetCurrent = (val: number) => {
setCurrent(val);
previous.value = val;
};

const processIndex = (index: number, source: SwiperChangeSource) => {
const max = items.value.length;
let val = index;
Expand All @@ -127,7 +134,7 @@ export default defineComponent({
if (index >= max) {
val = props.loop ? 0 : max - 1;
}
setCurrent(val);
innerSetCurrent(val);
context.emit('update:current', val);
context.emit('change', val, { source });
};
Expand Down Expand Up @@ -219,11 +226,11 @@ export default defineComponent({
watch(currentIndex, updateContainerHeight);
watch(
() => props.current,
() => {
(val, oldVal) => {
// v-model动态更新时不触发move逻辑
if (props.current === currentIndex.value) return;
if (val === previous.value) return;
stopAutoplay();
move(props.current - currentIndex.value, 'autoplay');
move(val - oldVal, 'autoplay', false, val);
startAutoplay();
},
);
Expand Down