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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, 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: addUnit(tmpConfig.fontSize), color: tmpConfig.color }" >{{ tmpConfig.message }}</text> </view> </view> </u-transition> </template>
<script> import { props } from './props'; import { mpMixin } from '../../libs/mixin/mpMixin'; import { mixin } from '../../libs/mixin/mixin'; import defProps from '../../libs/config/props.js' import { addUnit, addStyle, deepMerge } from '../../libs/function/index'; /** * 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: [mpMixin, mixin,props], data() { return { // 是否展示组件
open: false, timer: null, config: { // 到顶部的距离
top: defProps.notify.top, // type主题,primary,success,warning,error
type: defProps.notify.type, // 字体颜色
color: defProps.notify.color, // 背景颜色
bgColor: defProps.notify.bgColor, // 展示的文字内容
message: defProps.notify.message, // 展示时长,为0时不消失,单位ms
duration: defProps.notify.duration, // 字体大小
fontSize: defProps.notify.fontSize, // 是否留出顶部安全距离(状态栏高度)
safeAreaInsetTop: defProps.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: 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: { addStyle, addUnit, 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 = 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 } }, // #ifdef VUE2
beforeDestroy() { // #endif
// #ifdef VUE3
beforeUnmount() { // #endif
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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