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<template>
<view>
<u-popup
:blur="blur"
:zoom="zoom"
mode="center"
:popup="false"
:z-index="uZIndex"
v-model="popupValue"
:length="width"
:mask-close-able="maskCloseAble"
:border-radius="borderRadius"
@close="popupClose"
:negative-top="negativeTop"
>
<view class="u-model">
<view v-if="showTitle" class="u-model__title u-line-1" :style="[titleStyle]">
{{ title }}
</view>
<view class="u-model__content">
<view :style="[contentStyle]" v-if="$slots.default || $slots.$default"><slot /></view>
<view v-else class="u-model__content__message" :style="[contentStyle]">
{{ content }}
</view>
</view>
<view class="u-model__footer u-border-top" v-if="showCancelButton || showConfirmButton">
<view
v-if="showCancelButton"
:hover-stay-time="100"
hover-class="u-model__btn--hover"
class="u-model__footer__button"
:style="[cancelBtnStyle]"
@tap="cancel"
>
{{ cancelText }}
</view>
<view
v-if="showConfirmButton || $slots['confirm-button']"
:hover-stay-time="100"
:hover-class="asyncClose ? 'none' : 'u-model__btn--hover'"
class="u-model__footer__button hairline-left"
:style="[confirmBtnStyle]"
@tap="confirm"
>
<slot v-if="$slots['confirm-button']" name="confirm-button"></slot>
<block v-else>
<u-loading mode="circle" :color="confirmColor" v-if="loading"></u-loading>
<block v-else>{{ confirmText }}</block>
</block>
</view>
</view>
</view>
</u-popup>
</view>
</template>
<script>
/**
* modal 模态框
* @description 弹出模态框,常用于消息提示、消息确认、在当前页面内完成特定的交互操作
* @tutorial https://www.uviewui.com/components/modal.html
* @property {Boolean} value 是否显示模态框
* @property {String | Number} z-index 层级
* @property {String} title 模态框标题(默认"提示")
* @property {String | Number} width 模态框宽度(默认600)
* @property {String} content 模态框内容(默认"内容")
* @property {Boolean} show-title 是否显示标题(默认true)
* @property {Boolean} async-close 是否异步关闭,只对确定按钮有效(默认false)
* @property {Boolean} show-confirm-button 是否显示确认按钮(默认true)
* @property {Stringr | Number} negative-top modal往上偏移的值
* @property {Boolean} show-cancel-button 是否显示取消按钮(默认false)
* @property {Boolean} mask-close-able 是否允许点击遮罩关闭modal(默认false)
* @property {String} confirm-text 确认按钮的文字内容(默认"确认")
* @property {String} cancel-text 取消按钮的文字内容(默认"取消")
* @property {String} cancel-color 取消按钮的颜色(默认"#606266")
* @property {String} confirm-color 确认按钮的文字内容(默认"#2979ff")
* @property {String | Number} border-radius 模态框圆角值,单位rpx(默认16)
* @property {Object} title-style 自定义标题样式,对象形式
* @property {Object} content-style 自定义内容样式,对象形式
* @property {Object} cancel-style 自定义取消按钮样式,对象形式
* @property {Object} confirm-style 自定义确认按钮样式,对象形式
* @property {Boolean} zoom 是否开启缩放模式(默认true)
* @event {Function} confirm 确认按钮被点击
* @event {Function} cancel 取消按钮被点击
* @example <u-modal :src="title" :content="content"></u-modal>
*/
export default {
name: "u-modal",
emits: ["update:modelValue", "input", "confirm", "cancel"],
props: {
// 是否显示Modal
value: {
type: Boolean,
default: false
},
modelValue: {
type: Boolean,
default: false
},
// 层级z-index
zIndex: {
type: [Number, String],
default: ""
},
// 标题
title: {
type: [String],
default: "提示"
},
// 弹窗宽度,可以是数值(rpx),百分比,auto等
width: {
type: [Number, String],
default: 600
},
// 弹窗内容
content: {
type: String,
default: "内容"
},
// 是否显示标题
showTitle: {
type: Boolean,
default: true
},
// 是否显示确认按钮
showConfirmButton: {
type: Boolean,
default: true
},
// 是否显示取消按钮
showCancelButton: {
type: Boolean,
default: false
},
// 确认文案
confirmText: {
type: String,
default: "确认"
},
// 取消文案
cancelText: {
type: String,
default: "取消"
},
// 确认按钮颜色
confirmColor: {
type: String,
default: "#2979ff"
},
// 取消文字颜色
cancelColor: {
type: String,
default: "#606266"
},
// 圆角值
borderRadius: {
type: [Number, String],
default: 16
},
// 标题的样式
titleStyle: {
type: Object,
default() {
return {};
}
},
// 内容的样式
contentStyle: {
type: Object,
default() {
return {};
}
},
// 取消按钮的样式
cancelStyle: {
type: Object,
default() {
return {};
}
},
// 确定按钮的样式
confirmStyle: {
type: Object,
default() {
return {};
}
},
// 是否开启缩放效果
zoom: {
type: Boolean,
default: true
},
// 是否异步关闭,只对确定按钮有效
asyncClose: {
type: Boolean,
default: false
},
// 是否允许点击遮罩关闭modal
maskCloseAble: {
type: Boolean,
default: false
},
// 给一个负的margin-top,往上偏移,避免和键盘重合的情况
negativeTop: {
type: [String, Number],
default: 0
},
// 遮罩的模糊度
blur: {
type: [Number, String],
default: 0
}
},
data() {
return {
loading: false, // 确认按钮是否正在加载中
popupValue: false
};
},
computed: {
valueCom() {
// #ifndef VUE3
return this.value;
// #endif
// #ifdef VUE3
return this.modelValue;
// #endif
},
cancelBtnStyle() {
return Object.assign(
{
color: this.cancelColor
},
this.cancelStyle
);
},
confirmBtnStyle() {
return Object.assign(
{
color: this.confirmColor
},
this.confirmStyle
);
},
uZIndex() {
return this.zIndex ? this.zIndex : this.$u.zIndex.popup;
}
},
watch: {
// 如果是异步关闭时,外部修改v-model的值为false时,重置内部的loading状态
// 避免下次打开的时候,状态混乱
valueCom:{
immediate: true,
handler(n){
if (n === true) this.loading = false;
this.popupValue = n;
}
}
},
methods: {
confirm() {
// 异步关闭
if (this.asyncClose) {
this.loading = true;
} else {
this.$emit("input", false);
this.$emit("update:modelValue", false);
}
this.$emit("confirm");
},
cancel() {
this.$emit("cancel");
this.$emit("input", false);
this.$emit("update:modelValue", false);
// 目前popup弹窗关闭有一个延时操作,此处做一个延时
// 避免确认按钮文字变成了"确定"字样,modal还没消失,造成视觉不好的效果
setTimeout(() => {
this.loading = false;
}, 300);
},
// 点击遮罩关闭modal,设置v-model的值为false,否则无法第二次弹起modal
popupClose() {
this.$emit("input", false);
this.$emit("update:modelValue", false);
},
// 清除加载中的状态
clearLoading() {
this.loading = false;
}
}
};
</script>
<style lang="scss" scoped>
@import "../../libs/css/style.components.scss";
.u-model {
height: auto;
overflow: hidden;
font-size: 32rpx;
background-color: #fff;
&__btn--hover {
background-color: rgb(230, 230, 230);
}
&__title {
padding-top: 48rpx;
font-weight: 500;
text-align: center;
color: $u-main-color;
}
&__content {
&__message {
padding: 48rpx;
font-size: 30rpx;
text-align: center;
color: $u-content-color;
}
}
&__footer {
@include vue-flex;
&__button {
flex: 1;
height: 100rpx;
line-height: 100rpx;
font-size: 32rpx;
box-sizing: border-box;
cursor: pointer;
text-align: center;
border-radius: 4rpx;
}
}
}
</style>