597 lines
16 KiB
Python
597 lines
16 KiB
Python
<template>
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<button
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id="u-wave-btn"
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class="u-btn u-line-1 u-fix-ios-appearance"
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:class="[
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'u-size-' + size,
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plain ? 'u-btn--' + type + '--plain' : '',
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loading ? 'u-loading' : '',
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shape == 'circle' ? 'u-round-circle' : '',
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hairLine ? showHairLineBorder : 'u-btn--bold-border',
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'u-btn--' + type,
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disabled ? `u-btn--${type}--disabled` : '',
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]"
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:hover-start-time="Number(hoverStartTime)"
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:hover-stay-time="Number(hoverStayTime)"
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:disabled="disabled"
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:form-type="formType"
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:open-type="openType"
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:app-parameter="appParameter"
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:hover-stop-propagation="hoverStopPropagation"
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:send-message-title="sendMessageTitle"
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send-message-path="sendMessagePath"
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:lang="lang"
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:data-name="dataName"
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:session-from="sessionFrom"
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:send-message-img="sendMessageImg"
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:show-message-card="showMessageCard"
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@getphonenumber="getphonenumber"
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@getuserinfo="getuserinfo"
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@error="error"
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@opensetting="opensetting"
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@launchapp="launchapp"
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:style="[customStyle, {
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overflow: ripple ? 'hidden' : 'visible'
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}]"
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@tap.stop="click($event)"
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:hover-class="getHoverClass"
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:loading="loading"
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>
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<slot></slot>
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<view
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v-if="ripple"
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class="u-wave-ripple"
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:class="[waveActive ? 'u-wave-active' : '']"
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:style="{
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top: rippleTop + 'px',
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left: rippleLeft + 'px',
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width: fields.targetWidth + 'px',
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height: fields.targetWidth + 'px',
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'background-color': rippleBgColor || 'rgba(0, 0, 0, 0.15)'
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}"
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></view>
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</button>
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</template>
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<script>
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/**
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* button 按钮
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* @description Button 按钮
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* @tutorial https://www.uviewui.com/components/button.html
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* @property {String} size 按钮的大小
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* @property {Boolean} ripple 是否开启点击水波纹效果
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* @property {String} ripple-bg-color 水波纹的背景色，ripple为true时有效
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* @property {String} type 按钮的样式类型
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* @property {Boolean} plain 按钮是否镂空，背景色透明
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* @property {Boolean} disabled 是否禁用
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* @property {Boolean} hair-line 是否显示按钮的细边框(默认true)
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* @property {Boolean} shape 按钮外观形状，见文档说明
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* @property {Boolean} loading 按钮名称前是否带 loading 图标(App-nvue 平台，在 ios 上为雪花，Android上为圆圈)
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* @property {String} form-type 用于 <form> 组件，点击分别会触发 <form> 组件的 submit/reset 事件
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* @property {String} open-type 开放能力
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* @property {String} data-name 额外传参参数，用于小程序的data-xxx属性，通过target.dataset.name获取
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* @property {String} hover-class 指定按钮按下去的样式类。当 hover-class="none" 时，没有点击态效果(App-nvue 平台暂不支持)
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* @property {Number} hover-start-time 按住后多久出现点击态，单位毫秒
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* @property {Number} hover-stay-time 手指松开后点击态保留时间，单位毫秒
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* @property {Object} custom-style 对按钮的自定义样式，对象形式，见文档说明
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* @event {Function} click 按钮点击
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* @event {Function} getphonenumber open-type="getPhoneNumber"时有效
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* @event {Function} getuserinfo 用户点击该按钮时，会返回获取到的用户信息，从返回参数的detail中获取到的值同uni.getUserInfo
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* @event {Function} error 当使用开放能力时，发生错误的回调
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* @event {Function} opensetting 在打开授权设置页并关闭后回调
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* @event {Function} launchapp 打开 APP 成功的回调
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* @example <u-button>月落</u-button>
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*/
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export default {
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name: 'u-button',
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props: {
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// 是否细边框
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hairLine: {
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type: Boolean,
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default: true
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},
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// 按钮的预置样式，default，primary，error，warning，success
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type: {
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type: String,
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default: 'default'
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},
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// 按钮尺寸，default，medium，mini
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size: {
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type: String,
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default: 'default'
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},
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// 按钮形状，circle（两边为半圆），square（带圆角）
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shape: {
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type: String,
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default: 'square'
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},
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// 按钮是否镂空
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plain: {
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type: Boolean,
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default: false
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},
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// 是否禁止状态
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disabled: {
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type: Boolean,
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default: false
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},
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// 是否加载中
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loading: {
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type: Boolean,
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default: false
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},
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// 开放能力，具体请看uniapp稳定关于button组件部分说明
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// https://uniapp.dcloud.io/component/button
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openType: {
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type: String,
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default: ''
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},
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// 用于 <form> 组件，点击分别会触发 <form> 组件的 submit/reset 事件
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// 取值为submit（提交表单），reset（重置表单）
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formType: {
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type: String,
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default: ''
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},
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// 打开 APP 时，向 APP 传递的参数，open-type=launchApp时有效
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// 只微信小程序、QQ小程序有效
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appParameter: {
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type: String,
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default: ''
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},
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// 指定是否阻止本节点的祖先节点出现点击态，微信小程序有效
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hoverStopPropagation: {
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type: Boolean,
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default: false
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},
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// 指定返回用户信息的语言，zh_CN 简体中文，zh_TW 繁体中文，en 英文。只微信小程序有效
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lang: {
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type: String,
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default: 'en'
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},
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// 会话来源，open-type="contact"时有效。只微信小程序有效
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sessionFrom: {
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type: String,
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default: ''
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},
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// 会话内消息卡片标题，open-type="contact"时有效
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// 默认当前标题，只微信小程序有效
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sendMessageTitle: {
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type: String,
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default: ''
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},
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// 会话内消息卡片点击跳转小程序路径，open-type="contact"时有效
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// 默认当前分享路径，只微信小程序有效
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sendMessagePath: {
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type: String,
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default: ''
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},
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// 会话内消息卡片图片，open-type="contact"时有效
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// 默认当前页面截图，只微信小程序有效
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sendMessageImg: {
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type: String,
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default: ''
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},
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// 是否显示会话内消息卡片，设置此参数为 true，用户进入客服会话会在右下角显示"可能要发送的小程序"提示，
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// 用户点击后可以快速发送小程序消息，open-type="contact"时有效
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showMessageCard: {
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type: Boolean,
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default: false
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},
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// 手指按（触摸）按钮时按钮时的背景颜色
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hoverBgColor: {
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type: String,
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default: ''
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},
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// 水波纹的背景颜色
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rippleBgColor: {
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type: String,
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default: ''
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},
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// 是否开启水波纹效果
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ripple: {
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type: Boolean,
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default: false
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},
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// 按下的类名
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hoverClass: {
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type: String,
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default: ''
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},
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// 自定义样式，对象形式
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customStyle: {
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type: Object,
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default() {
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return {};
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}
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},
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// 额外传参参数，用于小程序的data-xxx属性，通过target.dataset.name获取
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dataName: {
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type: String,
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default: ''
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},
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// 节流，一定时间内只能触发一次
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throttleTime: {
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type: [String, Number],
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default: 1000
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},
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// 按住后多久出现点击态，单位毫秒
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hoverStartTime: {
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type: [String, Number],
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default: 20
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},
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// 手指松开后点击态保留时间，单位毫秒
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hoverStayTime: {
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type: [String, Number],
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default: 150
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},
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},
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computed: {
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// 当没有传bgColor变量时，按钮按下去的颜色类名
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getHoverClass() {
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// 如果开启水波纹效果，则不启用hover-class效果
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if (this.loading || this.disabled || this.ripple || this.hoverClass) return '';
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let hoverClass = '';
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hoverClass = this.plain ? 'u-' + this.type + '-plain-hover' : 'u-' + this.type + '-hover';
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return hoverClass;
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},
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// 在'primary', 'success', 'error', 'warning'类型下，不显示边框，否则会造成四角有毛刺现象
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showHairLineBorder() {
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if (['primary', 'success', 'error', 'warning'].indexOf(this.type) >= 0 && !this.plain) {
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return '';
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} else {
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return 'u-hairline-border';
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}
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}
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},
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data() {
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return {
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rippleTop: 0, // 水波纹的起点Y坐标到按钮上边界的距离
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rippleLeft: 0, // 水波纹起点X坐标到按钮左边界的距离
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fields: {}, // 波纹按钮节点信息
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waveActive: false // 激活水波纹
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};
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},
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methods: {
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// 按钮点击
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click(e) {
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// 进行节流控制，每this.throttle毫秒内，只在开始处执行
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this.$u.throttle(() => {
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// 如果按钮时disabled和loading状态，不触发水波纹效果
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if (this.loading === true || this.disabled === true) return;
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// 是否开启水波纹效果
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if (this.ripple) {
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// 每次点击时，移除上一次的类，再次添加，才能触发动画效果
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this.waveActive = false;
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this.$nextTick(function() {
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this.getWaveQuery(e);
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});
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}
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this.$emit('click', e);
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}, this.throttleTime);
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},
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// 查询按钮的节点信息
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getWaveQuery(e) {
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this.getElQuery().then(res => {
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// 查询返回的是一个数组节点
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let data = res[0];
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// 查询不到节点信息，不操作
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if (!data.width || !data.width) return;
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// 水波纹的最终形态是一个正方形(通过border-radius让其变为一个圆形)，这里要保证正方形的边长等于按钮的最长边
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// 最终的方形（变换后的圆形）才能覆盖整个按钮
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data.targetWidth = data.height > data.width ? data.height : data.width;
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if (!data.targetWidth) return;
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this.fields = data;
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let touchesX = '',
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touchesY = '';
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// #ifdef MP-BAIDU
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touchesX = e.changedTouches[0].clientX;
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touchesY = e.changedTouches[0].clientY;
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// #endif
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// #ifdef MP-ALIPAY
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touchesX = e.detail.clientX;
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touchesY = e.detail.clientY;
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// #endif
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// #ifndef MP-BAIDU || MP-ALIPAY
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touchesX = e.touches[0].clientX;
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touchesY = e.touches[0].clientY;
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// #endif
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// 获取触摸点相对于按钮上边和左边的x和y坐标，原理是通过屏幕的触摸点（touchesY），减去按钮的上边界data.top
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// 但是由于`transform-origin`默认是center，所以这里再减去半径才是水波纹view应该的位置
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// 总的来说，就是把水波纹的矩形（变换后的圆形）的中心点，移动到我们的触摸点位置
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this.rippleTop = touchesY - data.top - data.targetWidth / 2;
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this.rippleLeft = touchesX - data.left - data.targetWidth / 2;
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this.$nextTick(() => {
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this.waveActive = true;
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});
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});
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},
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// 获取节点信息
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getElQuery() {
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return new Promise(resolve => {
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let queryInfo = '';
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// 获取元素节点信息，请查看uniapp相关文档
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// https://uniapp.dcloud.io/api/ui/nodes-info?id=nodesrefboundingclientrect
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queryInfo = uni.createSelectorQuery().in(this);
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//#ifdef MP-ALIPAY
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queryInfo = uni.createSelectorQuery();
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//#endif
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queryInfo.select('.u-btn').boundingClientRect();
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queryInfo.exec(data => {
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resolve(data);
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});
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});
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},
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// 下面为对接uniapp官方按钮开放能力事件回调的对接
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getphonenumber(res) {
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this.$emit('getphonenumber', res);
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},
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getuserinfo(res) {
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this.$emit('getuserinfo', res);
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},
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error(res) {
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this.$emit('error', res);
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},
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opensetting(res) {
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this.$emit('opensetting', res);
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},
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launchapp(res) {
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this.$emit('launchapp', res);
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}
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}
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};
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</script>
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<style scoped lang="scss">
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@import '../../libs/css/style.components.scss';
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.u-btn::after {
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border: none;
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}
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.u-btn {
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position: relative;
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border: 0;
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//border-radius: 10rpx;
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/* #ifndef APP-NVUE */
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display: inline-flex;
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/* #endif */
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// 避免边框某些场景可能被“裁剪”，不能设置为hidden
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overflow: visible;
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line-height: 1;
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@include vue-flex;
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align-items: center;
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justify-content: center;
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cursor: pointer;
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padding: 0 40rpx;
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z-index: 1;
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box-sizing: border-box;
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transition: all 0.15s;
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&--bold-border {
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border: 1px solid #ffffff;
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}
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&--default {
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color: $u-content-color;
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border-color: #c0c4cc;
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background-color: #ffffff;
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}
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&--primary {
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color: #ffffff;
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border-color: $u-type-primary;
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background-color: $u-type-primary;
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}
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&--success {
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color: #ffffff;
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border-color: $u-type-success;
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background-color: $u-type-success;
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}
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&--error {
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color: #ffffff;
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border-color: $u-type-error;
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background-color: $u-type-error;
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}
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&--warning {
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color: #ffffff;
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border-color: $u-type-warning;
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background-color: $u-type-warning;
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}
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&--default--disabled {
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color: #ffffff;
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border-color: #e4e7ed;
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background-color: #ffffff;
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}
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&--primary--disabled {
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color: #ffffff!important;
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border-color: $u-type-primary-disabled!important;
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background-color: $u-type-primary-disabled!important;
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}
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&--success--disabled {
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color: #ffffff!important;
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border-color: $u-type-success-disabled!important;
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background-color: $u-type-success-disabled!important;
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}
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&--error--disabled {
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color: #ffffff!important;
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border-color: $u-type-error-disabled!important;
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background-color: $u-type-error-disabled!important;
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}
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&--warning--disabled {
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color: #ffffff!important;
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border-color: $u-type-warning-disabled!important;
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background-color: $u-type-warning-disabled!important;
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}
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&--primary--plain {
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color: $u-type-primary!important;
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border-color: $u-type-primary-disabled!important;
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background-color: $u-type-primary-light!important;
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}
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&--success--plain {
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color: $u-type-success!important;
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border-color: $u-type-success-disabled!important;
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background-color: $u-type-success-light!important;
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}
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&--error--plain {
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color: $u-type-error!important;
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border-color: $u-type-error-disabled!important;
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background-color: $u-type-error-light!important;
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}
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&--warning--plain {
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color: $u-type-warning!important;
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border-color: $u-type-warning-disabled!important;
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background-color: $u-type-warning-light!important;
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}
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}
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|
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.u-hairline-border:after {
|
||
content: ' ';
|
||
position: absolute;
|
||
pointer-events: none;
|
||
// 设置为border-box，意味着下面的scale缩小为0.5，实际上缩小的是伪元素的内容（border-box意味着内容不含border）
|
||
box-sizing: border-box;
|
||
// 中心点作为变形(scale())的原点
|
||
-webkit-transform-origin: 0 0;
|
||
transform-origin: 0 0;
|
||
left: 0;
|
||
top: 0;
|
||
width: 199.8%;
|
||
height: 199.7%;
|
||
-webkit-transform: scale(0.5, 0.5);
|
||
transform: scale(0.5, 0.5);
|
||
border: 1px solid currentColor;
|
||
z-index: 1;
|
||
}
|
||
|
||
.u-wave-ripple {
|
||
z-index: 0;
|
||
position: absolute;
|
||
border-radius: 100%;
|
||
background-clip: padding-box;
|
||
pointer-events: none;
|
||
user-select: none;
|
||
transform: scale(0);
|
||
opacity: 1;
|
||
transform-origin: center;
|
||
}
|
||
|
||
.u-wave-ripple.u-wave-active {
|
||
opacity: 0;
|
||
transform: scale(2);
|
||
transition: opacity 1s linear, transform 0.4s linear;
|
||
}
|
||
|
||
.u-round-circle {
|
||
border-radius: 100rpx;
|
||
}
|
||
|
||
.u-round-circle::after {
|
||
border-radius: 100rpx;
|
||
}
|
||
|
||
.u-loading::after {
|
||
background-color: hsla(0, 0%, 100%, 0.35);
|
||
}
|
||
|
||
.u-size-default {
|
||
font-size: 30rpx;
|
||
height: 80rpx;
|
||
line-height: 80rpx;
|
||
}
|
||
|
||
.u-size-medium {
|
||
/* #ifndef APP-NVUE */
|
||
display: inline-flex;
|
||
/* #endif */
|
||
width: auto;
|
||
font-size: 26rpx;
|
||
height: 70rpx;
|
||
line-height: 70rpx;
|
||
padding: 0 80rpx;
|
||
}
|
||
|
||
.u-size-mini {
|
||
/* #ifndef APP-NVUE */
|
||
display: inline-flex;
|
||
/* #endif */
|
||
width: auto;
|
||
font-size: 22rpx;
|
||
padding-top: 1px;
|
||
height: 50rpx;
|
||
line-height: 50rpx;
|
||
padding: 0 20rpx;
|
||
}
|
||
|
||
.u-primary-plain-hover {
|
||
color: #ffffff !important;
|
||
background: $u-type-primary-dark !important;
|
||
}
|
||
|
||
.u-default-plain-hover {
|
||
color: $u-type-primary-dark !important;
|
||
background: $u-type-primary-light !important;
|
||
}
|
||
|
||
.u-success-plain-hover {
|
||
color: #ffffff !important;
|
||
background: $u-type-success-dark !important;
|
||
}
|
||
|
||
.u-warning-plain-hover {
|
||
color: #ffffff !important;
|
||
background: $u-type-warning-dark !important;
|
||
}
|
||
|
||
.u-error-plain-hover {
|
||
color: #ffffff !important;
|
||
background: $u-type-error-dark !important;
|
||
}
|
||
|
||
.u-info-plain-hover {
|
||
color: #ffffff !important;
|
||
background: $u-type-info-dark !important;
|
||
}
|
||
|
||
.u-default-hover {
|
||
color: $u-type-primary-dark !important;
|
||
border-color: $u-type-primary-dark !important;
|
||
background-color: $u-type-primary-light !important;
|
||
}
|
||
|
||
.u-primary-hover {
|
||
background: $u-type-primary-dark !important;
|
||
color: #fff;
|
||
}
|
||
|
||
.u-success-hover {
|
||
background: $u-type-success-dark !important;
|
||
color: #fff;
|
||
}
|
||
|
||
.u-info-hover {
|
||
background: $u-type-info-dark !important;
|
||
color: #fff;
|
||
}
|
||
|
||
.u-warning-hover {
|
||
background: $u-type-warning-dark !important;
|
||
color: #fff;
|
||
}
|
||
|
||
.u-error-hover {
|
||
background: $u-type-error-dark !important;
|
||
color: #fff;
|
||
}
|
||
</style>
|