// 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 01 3 13 3200 6 1 9 3K）专用，请尊重知识产权，勿私下传播，违者追究法律责任。
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// #ifdef APP-NVUE
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const animation = uni.requireNativePlugin('animation');
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export default {
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watch: {
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resetNum(val) {
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this.startX = 0;
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this.lastLeft = 0;
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this._animation(0)
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}
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},
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created() {
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this.startX = 0
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this.lastLeft = 0
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this.imgRef = null
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this.sliderRef = null
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},
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methods: {
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openAni() {
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this.isShow = true;
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this.$nextTick(() => {
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setTimeout(() => {
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this.getEl()
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this._ani(true);
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}, 50);
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});
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},
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closeAni(type) {
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this._ani(false);
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},
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_ani(type) {
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let styles = {
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opacity: type ? 1 : 0
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};
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if (!this.$refs['fui_sc_ani']) return;
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animation.transition(
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this.$refs['fui_sc_ani'].ref, {
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styles,
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duration: 200, //ms
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timingFunction: 'ease-in',
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needLayout: false,
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delay: 0 //ms
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},
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() => {
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if (!type) {
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this.isShow = false;
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}
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}
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);
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},
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getEl() {
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this.imgRef = this.$refs['imgRef'].ref
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this.sliderRef = this.$refs['sliderRef'].ref;
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},
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getSlipDistance(left) {
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let width = this.width - this.x - 44
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let distance = left / (this.width - (this.sliderH * 2)) * width
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return distance > width ? width : distance
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},
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_animation(left) {
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let slotLeft = this.getSlipDistance(left).toFixed(2)
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left = left.toFixed(2)
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if (!this.imgRef || !this.sliderRef) return;
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animation.transition(this.imgRef, {
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styles: {
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transform: 'translate(' + slotLeft + 'px,0)'
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},
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duration: left == 0 ? 200 : 0,
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timingFunction: 'linear',
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needLayout: false,
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delay: 0
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});
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animation.transition(this.sliderRef, {
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styles: {
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transform: 'translate(' + left + 'px,0)'
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},
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duration: left == 0 ? 200 : 0,
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timingFunction: 'linear',
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needLayout: false,
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delay: 0
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});
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},
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touchstart(e) {
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if (this.isPass || this.disabled || !this.cutSrc || !this.isShow) return;
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let touch = e.touches[0] || e.changedTouches[0];
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this.startX = touch.screenX
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},
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touchmove(e) {
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if (this.isPass || this.disabled || !this.cutSrc || !this.isShow) return;
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let touch = e.changedTouches[0];
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let pageX = touch.screenX;
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let left = pageX - this.startX + this.lastLeft;
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left = left < 0 ? 0 : left;
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let width = this.width - (this.sliderH * 2);
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left = left >= width ? width : left;
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this.startX = pageX
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this.lastLeft = left
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this._animation(left)
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},
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touchend(e) {
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if (this.isPass || this.disabled || !this.cutSrc || !this.isShow) return;
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let slotLeft = this.getSlipDistance(this.lastLeft)
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//后端验证
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this.verify({
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slip: slotLeft
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})
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}
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}
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}
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// #endif
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// #ifndef APP-NVUE
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export default {}
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// #endif
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