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<template>
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<view class="u-toast">
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<u-overlay
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:show="isShow"
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:zIndex="tmpConfig.overlay ? 10070 : -1"
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:custom-style="overlayStyle"
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>
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<view
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class="u-toast__content"
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:style="[contentStyle]"
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:class="['u-type-' + tmpConfig.type, (tmpConfig.type === 'loading' || tmpConfig.loading) ? 'u-toast__content--loading' : '']"
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>
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<u-loading-icon
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v-if="tmpConfig.type === 'loading'"
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mode="circle"
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color="rgb(255, 255, 255)"
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inactiveColor="rgb(120, 120, 120)"
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size="25"
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></u-loading-icon>
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<u-icon
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v-else-if="tmpConfig.type !== 'defalut' && iconName"
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:name="iconName"
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size="17"
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:color="tmpConfig.type"
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:customStyle="iconStyle"
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></u-icon>
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<u-gap
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v-if="tmpConfig.type === 'loading' || tmpConfig.loading"
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height="12"
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bgColor="transparent"
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></u-gap>
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<text
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class="u-toast__content__text"
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:class="['u-toast__content__text--' + tmpConfig.type]"
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style="max-width: 400rpx;"
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>{{ tmpConfig.message }}</text>
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</view>
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</u-overlay>
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</view>
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</template>
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<script>
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import { mpMixin } from '../../libs/mixin/mpMixin';
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import { mixin } from '../../libs/mixin/mixin';
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import { os, sys, deepMerge, type2icon } from '../../libs/function/index';
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import color from '../../libs/config/color';
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import { hexToRgb } from '../../libs/function/colorGradient';
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/**
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* toast 消息提示
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* @description 此组件表现形式类似uni的uni.showToastAPI，但也有不同的地方。
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* @tutorial https://ijry.github.io/uview-plus/components/toast.html
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* @property {String | Number} zIndex toast展示时的zIndex值 (默认 10090 )
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* @property {Boolean} loading 是否加载中 （默认 false ）
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* @property {String | Number} message 显示的文字内容
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* @property {String} icon 图标，或者绝对路径的图片
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* @property {String} type 主题类型 （默认 default）
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* @property {Boolean} show 是否显示该组件 （默认 false）
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* @property {Boolean} overlay 是否显示透明遮罩，防止点击穿透 （默认 true ）
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* @property {String} position 位置 （默认 'center' ）
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* @property {Object} params 跳转的参数
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* @property {String | Number} duration 展示时间，单位ms （默认 2000 ）
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* @property {Boolean} isTab 是否返回的为tab页面 （默认 false ）
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* @property {String} url toast消失后是否跳转页面，有则跳转，优先级高于back参数
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* @property {Function} complete 执行完后的回调函数
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* @property {Boolean} back 结束toast是否自动返回上一页 （默认 false ）
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* @property {Object} customStyle 组件的样式，对象形式
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* @event {Function} show 显示toast，如需一进入页面就显示toast，请在onReady生命周期调用
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* @example <u-toast ref="uToast" />
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*/
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export default {
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name: 'u-toast',
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mixins: [mpMixin, mixin],
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data() {
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return {
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isShow: false,
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timer: null, // 定时器
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config: {
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message: '', // 显示文本
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type: '', // 主题类型，primary，success，error，warning，black
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duration: 2000, // 显示的时间，毫秒
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icon: true, // 显示的图标
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position: 'center', // toast出现的位置
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complete: null, // 执行完后的回调函数
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overlay: true, // 是否防止触摸穿透
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loading: false, // 是否加载中状态
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},
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tmpConfig: {}, // 将用户配置和内置配置合并后的临时配置变量
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}
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},
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computed: {
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iconName() {
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// 只有不为none，并且type为error|warning|succes|info时候，才显示图标
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if(!this.tmpConfig.icon || this.tmpConfig.icon == 'none') {
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return '';
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}
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if (this.tmpConfig.icon === true) {
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if (['error', 'warning', 'success', 'primary'].includes(this.tmpConfig.type)) {
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return type2icon(this.tmpConfig.type)
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} else {
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return ''
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}
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} else {
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return this.tmpConfig.icon
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}
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},
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overlayStyle() {
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const style = {
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justifyContent: 'center',
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alignItems: 'center',
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display: 'flex'
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}
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// 将遮罩设置为100%透明度，避免出现灰色背景
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style.backgroundColor = 'rgba(0, 0, 0, 0)'
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return style
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},
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iconStyle() {
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const style = {}
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// 图标需要一个右边距，以跟右边的文字有隔开的距离
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style.marginRight = '4px'
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// #ifdef APP-NVUE
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// iOSAPP下，图标有1px的向下偏移，这里进行修正
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if (os() === 'ios') {
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style.marginTop = '-1px'
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}
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// #endif
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return style
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},
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loadingIconColor() {
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let colorTmp = 'rgb(255, 255, 255)'
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if (['error', 'warning', 'success', 'primary'].includes(this.tmpConfig.type)) {
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// loading-icon组件内部会对color参数进行一个透明度处理，该方法要求传入的颜色值
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// 必须为rgb格式的，所以这里做一个处理
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colorTmp = hexToRgb(color[this.tmpConfig.type])
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}
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return colorTmp
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},
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// 内容盒子的样式
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contentStyle() {
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const windowHeight = sys().windowHeight, style = {}
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let value = 0
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// 根据top和bottom，对Y轴进行窗体高度的百分比偏移
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if(this.tmpConfig.position === 'top') {
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value = - windowHeight * 0.25
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} else if(this.tmpConfig.position === 'bottom') {
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value = windowHeight * 0.25
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}
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style.transform = `translateY(${value}px)`
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return style
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}
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},
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created() {
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// 通过主题的形式调用toast，批量生成方法函数
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['primary', 'success', 'error', 'warning', 'default', 'loading'].map(item => {
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this[item] = message => this.show({
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type: item,
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message
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})
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})
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},
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methods: {
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// 显示toast组件，由父组件通过this.$refs.xxx.show(options)形式调用
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show(options) {
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// 不将结果合并到this.config变量，避免多次调用u-toast，前后的配置造成混乱
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this.tmpConfig = deepMerge(this.config, options)
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// 清除定时器
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this.clearTimer()
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this.isShow = true
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this.timer = setTimeout(() => {
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// 倒计时结束，清除定时器，隐藏toast组件
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this.clearTimer()
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// 判断是否存在callback方法，如果存在就执行
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typeof(this.tmpConfig.complete) === 'function' && this.tmpConfig.complete()
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}, this.tmpConfig.duration)
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},
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// 隐藏toast组件，由父组件通过this.$refs.xxx.hide()形式调用
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hide() {
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this.clearTimer()
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},
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clearTimer() {
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this.isShow = false
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// 清除定时器
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clearTimeout(this.timer)
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this.timer = null
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}
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},
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beforeUnmount() {
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this.clearTimer()
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}
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}
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</script>
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<style lang="scss" scoped>
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@import "../../libs/css/components.scss";
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$u-toast-color:#fff !default;
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$u-toast-border-radius:4px !default;
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$u-toast-border-background-color:#585858 !default;
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$u-toast-border-font-size:14px !default;
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$u-toast-border-padding:12px 20px !default;
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$u-toast-loading-border-padding: 20px 20px !default;
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$u-toast-content-text-color:#fff !default;
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$u-toast-content-text-font-size:15px !default;
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$u-toast-u-icon:10rpx !default;
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$u-toast-u-type-primary-color:$u-primary !default;
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$u-toast-u-type-primary-background-color:#ecf5ff !default;
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$u-toast-u-type-primary-border-color:rgb(215, 234, 254) !default;
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$u-toast-u-type-primary-border-width:1px !default;
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$u-toast-u-type-success-color: $u-success !default;
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$u-toast-u-type-success-background-color: #dbf1e1 !default;
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$u-toast-u-type-success-border-color: #BEF5C8 !default;
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$u-toast-u-type-success-border-width: 1px !default;
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$u-toast-u-type-error-color:$u-error !default;
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$u-toast-u-type-error-background-color:#fef0f0 !default;
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$u-toast-u-type-error-border-color:#fde2e2 !default;
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$u-toast-u-type-error-border-width: 1px !default;
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$u-toast-u-type-warning-color:$u-warning !default;
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$u-toast-u-type-warning-background-color:#fdf6ec !default;
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$u-toast-u-type-warning-border-color:#faecd8 !default;
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$u-toast-u-type-warning-border-width: 1px !default;
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$u-toast-u-type-default-color:#fff !default;
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$u-toast-u-type-default-background-color:#585858 !default;
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.u-toast {
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&__content {
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@include flex;
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padding: $u-toast-border-padding;
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border-radius: $u-toast-border-radius;
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background-color: $u-toast-border-background-color;
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color: $u-toast-color;
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align-items: center;
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/* #ifndef APP-NVUE */
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max-width: 600rpx;
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/* #endif */
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position: relative;
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&--loading {
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flex-direction: column;
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padding: $u-toast-loading-border-padding;
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}
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&__text {
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color: $u-toast-content-text-color;
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font-size: $u-toast-content-text-font-size;
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line-height: $u-toast-content-text-font-size;
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&--default {
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color: $u-toast-content-text-color;
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}
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&--error {
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color: $u-error;
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}
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&--primary {
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color: $u-primary;
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}
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&--success {
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color: $u-success;
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}
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&--warning {
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color: $u-warning;
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}
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}
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}
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}
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.u-type-primary {
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color: $u-toast-u-type-primary-color;
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background-color: $u-toast-u-type-primary-background-color;
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border-color: $u-toast-u-type-primary-border-color;
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border-width: $u-toast-u-type-primary-border-width;
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}
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.u-type-success {
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color: $u-toast-u-type-success-color;
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background-color: $u-toast-u-type-success-background-color;
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border-color: $u-toast-u-type-success-border-color;
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border-width: 1px;
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}
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.u-type-error {
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color: $u-toast-u-type-error-color;
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background-color: $u-toast-u-type-error-background-color;
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border-color: $u-toast-u-type-error-border-color;
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border-width: $u-toast-u-type-error-border-width;
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}
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.u-type-warning {
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color: $u-toast-u-type-warning-color;
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background-color: $u-toast-u-type-warning-background-color;
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border-color: $u-toast-u-type-warning-border-color;
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border-width: 1px;
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}
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.u-type-default {
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color: $u-toast-u-type-default-color;
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background-color: $u-toast-u-type-default-background-color;
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}
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</style>
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