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