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zhangwei

2025-03-24 2d43a1df3f5ba42710e6d21c27d1e13bdb8dfd56

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// 本文件由FirstUI授权予四川政采招投标咨询有限公司（会员ID： 16 3，营业执照号：915  1   0 13  1332 0  0  6 19 3  K）专用，请尊重知识产权，勿私下传播，违者追究法律责任。
// #ifdef APP-NVUE
const animation = uni.requireNativePlugin('animation');
export default {
    watch: {
        resetNum(val) {
            this.startX = 0;
            this.lastLeft = 0;
            this._animation(0)
        }
    },
    created() {
        this.startX = 0
        this.lastLeft = 0
        this.imgRef = null
        this.sliderRef = null
    },
    methods: {
        openAni() {
            this.isShow = true;
            this.$nextTick(() => {
                setTimeout(() => {
                    this.getEl()
                    this._ani(true);
                }, 50);
            });
        },
        closeAni(type) {
            this._ani(false);
        },
        _ani(type) {
            let styles = {
                opacity: type ? 1 : 0
            };
            if (!this.$refs['fui_sc_ani']) return;
            animation.transition(
                this.$refs['fui_sc_ani'].ref, {
                    styles,
                    duration: 200, //ms
                    timingFunction: 'ease-in',
                    needLayout: false,
                    delay: 0 //ms
                },
                () => {
                    if (!type) {
                        this.isShow = false;
                    }
                }
            );
        },
        getEl() {
            this.imgRef = this.$refs['imgRef'].ref
            this.sliderRef = this.$refs['sliderRef'].ref;
        },
        getSlipDistance(left) {
            let width = this.w - this.x - 44
            let distance = left / (this.w - (this.sliderH * 2)) * width
            return distance > width ? width : distance
        },
        _animation(left) {
            let slotLeft = this.getSlipDistance(left).toFixed(2)
            left = left.toFixed(2)
            if (!this.imgRef || !this.sliderRef) return;
            animation.transition(this.imgRef, {
                styles: {
                    transform: 'translate(' + slotLeft + 'px,0)'
                },
                duration: left == 0 ? 200 : 0,
                timingFunction: 'linear',
                needLayout: false,
                delay: 0
            });
            animation.transition(this.sliderRef, {
                styles: {
                    transform: 'translate(' + left + 'px,0)'
                },
                duration: left == 0 ? 200 : 0,
                timingFunction: 'linear',
                needLayout: false,
                delay: 0
            });
        },
        touchstart(e) {
            if (this.isPass || this.disabled || !this.slotSrc || !this.isShow) return;
            let touch = e.touches[0] || e.changedTouches[0];
            this.startX = touch.screenX
        },
        touchmove(e) {
            if (this.isPass || this.disabled || !this.slotSrc || !this.isShow) return;
            let touch = e.changedTouches[0];
            let pageX = touch.screenX;
            let left = pageX - this.startX + this.lastLeft;
            left = left < 0 ? 0 : left;
            let width = this.w - (this.sliderH * 2);
            left = left >= width ? width : left;
            this.startX = pageX
            this.lastLeft = left
            this._animation(left)
        },
        touchend(e) {
            if (this.isPass || this.disabled || !this.slotSrc || !this.isShow) return;
            let slotLeft = this.getSlipDistance(this.lastLeft)
            if (this.type == 1) {
                let width = this.x1 - this.x
                if (Math.abs(slotLeft - width) <= this.range) {
                    this.disabled = true
                    this.success()
                } else {
                    setTimeout(() => {
                        this.startX = 0;
                        this.lastLeft = 0;
                        this.disabled = false;
                        this._animation(0)
                        this.fail()
                    }, 20)
                }
            } else {
                //后端验证
                this.verify({
                    slip: slotLeft
                })
            }
        }
    }
}
 
// #endif
 
// #ifndef APP-NVUE
export default {}
// #endif