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<template>
<u-transition
mode="fade"
:show="show"
>
<view
class="u-alert"
:class="[`u-alert--${type}--${effect}`]"
@tap.stop="clickHandler"
:style="[$u.addStyle(customStyle)]"
>
<view
class="u-alert__icon"
v-if="showIcon"
>
<u-icon
:name="iconName"
size="18"
:color="iconColor"
></u-icon>
</view>
<view
class="u-alert__content"
:style="[{
paddingRight: closable ? '20px' : 0
}]"
>
<text
class="u-alert__content__title"
v-if="title"
:style="[{
fontSize: $u.addUnit(fontSize),
textAlign: center ? 'center' : 'left'
}]"
:class="[effect === 'dark' ? 'u-alert__text--dark' : `u-alert__text--${type}--light`]"
>{{ title }}</text>
<text
class="u-alert__content__desc"
v-if="description"
:style="[{
fontSize: $u.addUnit(fontSize),
textAlign: center ? 'center' : 'left'
}]"
:class="[effect === 'dark' ? 'u-alert__text--dark' : `u-alert__text--${type}--light`]"
>{{ description }}</text>
</view>
<view
class="u-alert__close"
v-if="closable"
@tap.stop="closeHandler"
>
<u-icon
name="close"
:color="iconColor"
size="15"
></u-icon>
</view>
</view>
</u-transition>
</template>
<script>
import props from './props.js';
/**
* Alert 警告提示
* @description 警告提示,展现需要关注的信息。
* @tutorial https://www.uviewui.com/components/alertTips.html
*
* @property {String} title 显示的文字
* @property {String} type 使用预设的颜色 (默认 'warning' )
* @property {String} description 辅助性文字,颜色比title浅一点,字号也小一点,可选
* @property {Boolean} closable 关闭按钮(默认为叉号icon图标) (默认 false )
* @property {Boolean} showIcon 是否显示左边的辅助图标 ( 默认 false )
* @property {String} effect 多图时,图片缩放裁剪的模式 (默认 'light' )
* @property {Boolean} center 文字是否居中 (默认 false )
* @property {String | Number} fontSize 字体大小 (默认 14 )
* @property {Object} customStyle 定义需要用到的外部样式
* @event {Function} click 点击组件时触发
* @example <u-alert :title="title" type = "warning" :closable="closable" :description = "description"></u-alert>
*/
export default {
name: 'u-alert',
mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
data() {
return {
show: true
}
},
computed: {
iconColor() {
return this.effect === 'light' ? this.type : '#fff'
},
// 不同主题对应不同的图标
iconName() {
switch (this.type) {
case 'success':
return 'checkmark-circle-fill';
break;
case 'error':
return 'close-circle-fill';
break;
case 'warning':
return 'error-circle-fill';
break;
case 'info':
return 'info-circle-fill';
break;
case 'primary':
return 'more-circle-fill';
break;
default:
return 'error-circle-fill';
}
}
},
methods: {
// 点击内容
clickHandler() {
this.$emit('click')
},
// 点击关闭按钮
closeHandler() {
this.show = false
}
}
}
</script>
<style lang="scss" scoped>
@import "../../libs/css/components.scss";
.u-alert {
position: relative;
background-color: $u-primary;
padding: 8px 10px;
@include flex(row);
align-items: center;
border-top-left-radius: 4px;
border-top-right-radius: 4px;
border-bottom-left-radius: 4px;
border-bottom-right-radius: 4px;
&--primary--dark {
background-color: $u-primary;
}
&--primary--light {
background-color: #ecf5ff;
}
&--error--dark {
background-color: $u-error;
}
&--error--light {
background-color: #FEF0F0;
}
&--success--dark {
background-color: $u-success;
}
&--success--light {
background-color: #f5fff0;
}
&--warning--dark {
background-color: $u-warning;
}
&--warning--light {
background-color: #FDF6EC;
}
&--info--dark {
background-color: $u-info;
}
&--info--light {
background-color: #f4f4f5;
}
&__icon {
margin-right: 5px;
}
&__content {
@include flex(column);
flex: 1;
&__title {
color: $u-main-color;
font-size: 14px;
font-weight: bold;
color: #fff;
margin-bottom: 2px;
}
&__desc {
color: $u-main-color;
font-size: 14px;
flex-wrap: wrap;
color: #fff;
}
}
&__title--dark,
&__desc--dark {
color: #FFFFFF;
}
&__text--primary--light,
&__text--primary--light {
color: $u-primary;
}
&__text--success--light,
&__text--success--light {
color: $u-success;
}
&__text--warning--light,
&__text--warning--light {
color: $u-warning;
}
&__text--error--light,
&__text--error--light {
color: $u-error;
}
&__text--info--light,
&__text--info--light {
color: $u-info;
}
&__close {
position: absolute;
top: 11px;
right: 10px;
}
}
</style>