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- <template>
- <u-transition
- mode="slide-down"
- :customStyle="containerStyle"
- :show="open"
- >
- <view
- class="u-notify"
- :class="[`u-notify--${tmpConfig.type}`]"
- :style="[backgroundColor, $u.addStyle(customStyle)]"
- >
- <u-status-bar v-if="tmpConfig.safeAreaInsetTop"></u-status-bar>
- <view class="u-notify__warpper">
- <slot name="icon">
- <u-icon
- v-if="['success', 'warning', 'error'].includes(tmpConfig.type)"
- :name="tmpConfig.icon"
- :color="tmpConfig.color"
- :size="1.3 * tmpConfig.fontSize"
- :customStyle="{marginRight: '4px'}"
- ></u-icon>
- </slot>
- <text
- class="u-notify__warpper__text"
- :style="{
- fontSize: $u.addUnit(tmpConfig.fontSize),
- color: tmpConfig.color
- }"
- >{{ tmpConfig.message }}</text>
- </view>
- </view>
- </u-transition>
- </template>
- <script>
- import props from './props.js';
- /**
- * notify 顶部提示
- * @description 该组件一般用于页面顶部向下滑出一个提示,尔后自动收起的场景
- * @tutorial
- * @property {String | Number} top 到顶部的距离 ( 默认 0 )
- * @property {String} type 主题,primary,success,warning,error ( 默认 'primary' )
- * @property {String} color 字体颜色 ( 默认 '#ffffff' )
- * @property {String} bgColor 背景颜色
- * @property {String} message 展示的文字内容
- * @property {String | Number} duration 展示时长,为0时不消失,单位ms ( 默认 3000 )
- * @property {String | Number} fontSize 字体大小 ( 默认 15 )
- * @property {Boolean} safeAreaInsetTop 是否留出顶部安全距离(状态栏高度) ( 默认 false )
- * @property {Object} customStyle 组件的样式,对象形式
- * @event {Function} open 开启组件时调用的函数
- * @event {Function} close 关闭组件式调用的函数
- * @example <u-notify message="Hi uView"></u-notify>
- */
- export default {
- name: 'u-notify',
- mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
- data() {
- return {
- // 是否展示组件
- open: false,
- timer: null,
- config: {
- // 到顶部的距离
- top: uni.$u.props.notify.top,
- // type主题,primary,success,warning,error
- type: uni.$u.props.notify.type,
- // 字体颜色
- color: uni.$u.props.notify.color,
- // 背景颜色
- bgColor: uni.$u.props.notify.bgColor,
- // 展示的文字内容
- message: uni.$u.props.notify.message,
- // 展示时长,为0时不消失,单位ms
- duration: uni.$u.props.notify.duration,
- // 字体大小
- fontSize: uni.$u.props.notify.fontSize,
- // 是否留出顶部安全距离(状态栏高度)
- safeAreaInsetTop: uni.$u.props.notify.safeAreaInsetTop
- },
- // 合并后的配置,避免多次调用组件后,可能会复用之前使用的配置参数
- tmpConfig: {}
- }
- },
- computed: {
- containerStyle() {
- let top = 0
- if (this.tmpConfig.top === 0) {
- // #ifdef H5
- // H5端,导航栏为普通元素,需要将组件移动到导航栏的下边沿
- // H5的导航栏高度为44px
- top = 44
- // #endif
- }
- const style = {
- top: uni.$u.addUnit(this.tmpConfig.top === 0 ? top : this.tmpConfig.top),
- // 因为组件底层为u-transition组件,必须将其设置为fixed定位
- // 让其出现在导航栏底部
- position: 'fixed',
- left: 0,
- right: 0,
- zIndex: 10076
- }
- return style
- },
- // 组件背景颜色
- backgroundColor() {
- const style = {}
- if (this.tmpConfig.bgColor) {
- style.backgroundColor = this.tmpConfig.bgColor
- }
- return style
- },
- // 默认主题下的图标
- icon() {
- let icon
- if (this.tmpConfig.type === 'success') {
- icon = 'checkmark-circle'
- } else if (this.tmpConfig.type === 'error') {
- icon = 'close-circle'
- } else if (this.tmpConfig.type === 'warning') {
- icon = 'error-circle'
- }
- return icon
- }
- },
- created() {
- // 通过主题的形式调用toast,批量生成方法函数
- ['primary', 'success', 'error', 'warning'].map(item => {
- this[item] = message => this.show({
- type: item,
- message
- })
- })
- },
- methods: {
- show(options) {
- // 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
- this.tmpConfig = uni.$u.deepMerge(this.config, options)
- // 任何定时器初始化之前,都要执行清除操作,否则可能会造成混乱
- this.clearTimer()
- this.open = true
- if (this.tmpConfig.duration > 0) {
- this.timer = setTimeout(() => {
- this.open = false
- // 倒计时结束,清除定时器,隐藏toast组件
- this.clearTimer()
- // 判断是否存在callback方法,如果存在就执行
- typeof(this.tmpConfig.complete) === 'function' && this.tmpConfig.complete()
- }, this.tmpConfig.duration)
- }
- },
- // 关闭notify
- close() {
- this.clearTimer()
- },
- clearTimer() {
- this.open = false
- // 清除定时器
- clearTimeout(this.timer)
- this.timer = null
- }
- },
- beforeDestroy() {
- this.clearTimer()
- }
- }
- </script>
- <style lang="scss" scoped>
- @import "../../libs/css/components.scss";
- $u-notify-padding: 8px 10px !default;
- $u-notify-text-font-size: 15px !default;
- $u-notify-primary-bgColor: $u-primary !default;
- $u-notify-success-bgColor: $u-success !default;
- $u-notify-error-bgColor: $u-error !default;
- $u-notify-warning-bgColor: $u-warning !default;
- .u-notify {
- padding: $u-notify-padding;
- &__warpper {
- @include flex;
- align-items: center;
- text-align: center;
- justify-content: center;
- &__text {
- font-size: $u-notify-text-font-size;
- text-align: center;
- }
- }
- &--primary {
- background-color: $u-notify-primary-bgColor;
- }
- &--success {
- background-color: $u-notify-success-bgColor;
- }
- &--error {
- background-color: $u-notify-error-bgColor;
- }
- &--warning {
- background-color: $u-notify-warning-bgColor;
- }
- }
- </style>
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