| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299 | <template>    <view        class="u-subsection"        ref="u-subsection"        :class="[`u-subsection--${mode}`]"        :style="[$u.addStyle(customStyle), wrapperStyle]"    >        <view            class="u-subsection__bar"            ref="u-subsection__bar"            :style="[barStyle]"            :class="[                mode === 'button' && 'u-subsection--button__bar',                current === 0 &&                    mode === 'subsection' &&                    'u-subsection__bar--first',                current > 0 &&                    current < this.list.length - 1 &&                    mode === 'subsection' &&                    'u-subsection__bar--center',                current === this.list.length - 1 &&                    mode === 'subsection' &&                    'u-subsection__bar--last',            ]"        ></view>        <view            class="u-subsection__item"            :class="[                `u-subsection__item--${index}`,                index < list.length - 1 &&                    'u-subsection__item--no-border-right',                index === 0 && 'u-subsection__item--first',                index === list.length - 1 && 'u-subsection__item--last',            ]"            :ref="`u-subsection__item--${index}`"            :style="[itemStyle(index)]"            @tap="clickHandler(index)"            v-for="(item, index) in list"            :key="index"        >            <text                class="u-subsection__item__text"                :style="[textStyle(index)]"                >{{ getText(item) }}</text            >        </view>    </view></template><script>const dom = uni.requireNativePlugin("dom");const animation = uni.requireNativePlugin("animation");import props from "./props.js";export default {    name: "u-subsection",    mixins: [uni.$u.mpMixin, uni.$u.mixin, props],    data() {        return {                        itemRect: {                width: 0,                height: 0,            },        };    },    watch: {        list(newValue, oldValue) {            this.init();        },        current: {            immediate: true,            handler(n) {                                                                const ref = this.$refs?.["u-subsection__bar"]?.ref;                                uni.$u.sleep(ref ? 0 : 100).then(() => {                    animation.transition(this.$refs["u-subsection__bar"].ref, {                        styles: {                            transform: `translateX(${                                n * this.itemRect.width                            }px)`,                            transformOrigin: "center center",                        },                        duration: 300,                    });                });                            },        },    },    computed: {        wrapperStyle() {            const style = {};                        if (this.mode === "button") {                style.backgroundColor = this.bgColor;            }            return style;        },                barStyle() {            const style = {};            style.width = `${this.itemRect.width}px`;            style.height = `${this.itemRect.height}px`;                                    style.transform = `translateX(${                this.current * this.itemRect.width            }px)`;                        if (this.mode === "subsection") {                                style.backgroundColor = this.activeColor;            }            return style;        },                itemStyle(index) {            return (index) => {                const style = {};                if (this.mode === "subsection") {                                        style.borderColor = this.activeColor;                    style.borderWidth = "1px";                    style.borderStyle = "solid";                }                return style;            };        },                textStyle(index) {            return (index) => {                const style = {};                style.fontWeight =                    this.bold && this.current === index ? "bold" : "normal";                style.fontSize = uni.$u.addUnit(this.fontSize);                                if (this.mode === "subsection") {                    style.color =                        this.current === index ? "#fff" : this.activeColor;                } else {                                        style.color =                        this.current === index                            ? this.activeColor                            : this.inactiveColor;                }                return style;            };        },    },    mounted() {        this.init();    },    methods: {        init() {            uni.$u.sleep().then(() => this.getRect());        },				getText(item) {			return typeof item === 'object' ? item[this.keyName] : item		},                getRect() {                        this.$uGetRect(".u-subsection__item--0").then((size) => {                this.itemRect = size;            });                                    const ref = this.$refs["u-subsection__item--0"][0];            ref &&                dom.getComponentRect(ref, (res) => {                    this.itemRect = res.size;                });                    },        clickHandler(index) {            this.$emit("change", index);        },    },};</script><style lang="scss" scoped>@import "../../libs/css/components.scss";.u-subsection {    @include flex;    position: relative;    overflow: hidden;	/* #ifndef APP-NVUE */	width: 100%;	box-sizing: border-box;	/* #endif */    &--button {        height: 32px;        background-color: rgb(238, 238, 239);        padding: 3px;        border-radius: 3px;        align-items: stretch;        &__bar {            background-color: #ffffff;            border-radius: 3px !important;        }    }    &--subsection {        height: 30px;    }    &__bar {        position: absolute;        /* #ifndef APP-NVUE */        transition-property: transform, color;        transition-duration: 0.3s;        transition-timing-function: ease-in-out;        /* #endif */        &--first {            border-top-left-radius: 3px;            border-bottom-left-radius: 3px;            border-top-right-radius: 0px;            border-bottom-right-radius: 0px;        }        &--center {            border-top-left-radius: 0px;            border-bottom-left-radius: 0px;            border-top-right-radius: 0px;            border-bottom-right-radius: 0px;        }        &--last {            border-top-left-radius: 0px;            border-bottom-left-radius: 0px;            border-top-right-radius: 3px;            border-bottom-right-radius: 3px;        }    }    &__item {        @include flex;        flex: 1;        justify-content: center;        align-items: center;        // vue环境下,需要设置相对定位,因为滑块为绝对定位,item需要在滑块的上面        position: relative;        &--no-border-right {            border-right-width: 0 !important;        }        &--first {            border-top-left-radius: 3px;            border-bottom-left-radius: 3px;        }        &--last {            border-top-right-radius: 3px;            border-bottom-right-radius: 3px;        }        &__text {            font-size: 12px;            line-height: 12px;            @include flex;            align-items: center;            transition-property: color;            transition-duration: 0.3s;        }    }}</style>
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