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- <template>
- <button
- id="u-wave-btn"
- class="u-btn u-line-1 u-fix-ios-appearance"
- :class="[
- 'u-size-' + size,
- plain ? 'u-btn--' + type + '--plain' : '',
- loading ? 'u-loading' : '',
- shape == 'circle' ? 'u-round-circle' : '',
- hairLine ? showHairLineBorder : 'u-btn--bold-border',
- 'u-btn--' + type,
- disabled ? `u-btn--${type}--disabled` : '',
-
- ]"
- :disabled="disabled"
- :form-type="formType"
- :open-type="openType"
- :app-parameter="appParameter"
- :hover-stop-propagation="hoverStopPropagation"
- :send-message-title="sendMessageTitle"
- send-message-path="sendMessagePath"
- :lang="lang"
- :data-name="dataName"
- :session-from="sessionFrom"
- :send-message-img="sendMessageImg"
- :show-message-card="showMessageCard"
- @getphonenumber="getphonenumber"
- @getuserinfo="getuserinfo"
- @error="error"
- @opensetting="opensetting"
- @launchapp="launchapp"
- :style="[customStyle]"
- @tap.stop="click($event)"
- :hover-class="getHoverClass"
- :loading="loading"
- >
- <slot></slot>
- <view
- v-if="ripple"
- class="u-wave-ripple"
- :class="[waveActive ? 'u-wave-active' : '']"
- :style="{
- top: rippleTop + 'px',
- left: rippleLeft + 'px',
- width: fields.targetWidth + 'px',
- height: fields.targetWidth + 'px',
- 'background-color': rippleBgColor || 'rgba(0, 0, 0, 0.15)'
- }"
- ></view>
- </button>
- </template>
-
- <script>
- /**
- * button 按钮
- * @description Button 按钮
- * @tutorial https://www.uviewui.com/components/button.html
- * @property {String} size 按钮的大小
- * @property {Boolean} ripple 是否开启点击水波纹效果
- * @property {String} ripple-bg-color 水波纹的背景色,ripple为true时有效
- * @property {String} type 按钮的样式类型
- * @property {Boolean} plain 按钮是否镂空,背景色透明
- * @property {Boolean} disabled 是否禁用
- * @property {Boolean} hair-line 是否显示按钮的细边框(默认true)
- * @property {Boolean} shape 按钮外观形状,见文档说明
- * @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)
- * @property {String} form-type 用于 <form> 组件,点击分别会触发 <form> 组件的 submit/reset 事件
- * @property {String} open-type 开放能力
- * @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)
- * @property {Number} hover-start-time 按住后多久出现点击态,单位毫秒
- * @property {Number} hover-stay-time 手指松开后点击态保留时间,单位毫秒
- * @property {Object} custom-style 对按钮的自定义样式,对象形式,见文档说明
- * @event {Function} click 按钮点击
- * @event {Function} getphonenumber open-type="getPhoneNumber"时有效
- * @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
- * @event {Function} error 当使用开放能力时,发生错误的回调
- * @event {Function} opensetting 在打开授权设置页并关闭后回调
- * @event {Function} launchapp 打开 APP 成功的回调
- * @example <u-button>月落</u-button>
- */
- export default {
- name: 'u-button',
- props: {
- // 是否细边框
- hairLine: {
- type: Boolean,
- default: true
- },
- // 按钮的预置样式,default,primary,error,warning,success
- type: {
- type: String,
- default: 'default'
- },
- // 按钮尺寸,default,medium,mini
- size: {
- type: String,
- default: 'default'
- },
- // 按钮形状,circle(两边为半圆),square(带圆角)
- shape: {
- type: String,
- default: 'square'
- },
- // 按钮是否镂空
- plain: {
- type: Boolean,
- default: false
- },
- // 是否禁止状态
- disabled: {
- type: Boolean,
- default: false
- },
- // 是否加载中
- loading: {
- type: Boolean,
- default: false
- },
- // 开放能力,具体请看uniapp稳定关于button组件部分说明
- // https://uniapp.dcloud.io/component/button
- openType: {
- type: String,
- default: ''
- },
- // 用于 <form> 组件,点击分别会触发 <form> 组件的 submit/reset 事件
- // 取值为submit(提交表单),reset(重置表单)
- formType: {
- type: String,
- default: ''
- },
- // 打开 APP 时,向 APP 传递的参数,open-type=launchApp时有效
- // 只微信小程序、QQ小程序有效
- appParameter: {
- type: String,
- default: ''
- },
- // 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
- hoverStopPropagation: {
- type: Boolean,
- default: false
- },
- // 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
- lang: {
- type: String,
- default: 'en'
- },
- // 会话来源,open-type="contact"时有效。只微信小程序有效
- sessionFrom: {
- type: String,
- default: ''
- },
- // 会话内消息卡片标题,open-type="contact"时有效
- // 默认当前标题,只微信小程序有效
- sendMessageTitle: {
- type: String,
- default: ''
- },
- // 会话内消息卡片点击跳转小程序路径,open-type="contact"时有效
- // 默认当前分享路径,只微信小程序有效
- sendMessagePath: {
- type: String,
- default: ''
- },
- // 会话内消息卡片图片,open-type="contact"时有效
- // 默认当前页面截图,只微信小程序有效
- sendMessageImg: {
- type: String,
- default: ''
- },
- // 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,
- // 用户点击后可以快速发送小程序消息,open-type="contact"时有效
- showMessageCard: {
- type: Boolean,
- default: false
- },
- // 手指按(触摸)按钮时按钮时的背景颜色
- hoverBgColor: {
- type: String,
- default: ''
- },
- // 水波纹的背景颜色
- rippleBgColor: {
- type: String,
- default: ''
- },
- // 是否开启水波纹效果
- ripple: {
- type: Boolean,
- default: false
- },
- // 按下的类名
- hoverClass: {
- type: String,
- default: ''
- },
- // 自定义样式,对象形式
- customStyle: {
- type: Object,
- default() {
- return {};
- }
- },
- // 额外传参参数,用于小程序的data-xxx属性,通过target.dataset.name获取
- dataName: {
- type: String,
- default: ''
- }
- },
- computed: {
- // 当没有传bgColor变量时,按钮按下去的颜色类名
- getHoverClass() {
- // 如果开启水波纹效果,则不启用hover-class效果
- if (this.loading || this.disabled || this.ripple || this.hoverClass) return '';
- let hoverClass = '';
- hoverClass = this.plain ? 'u-' + this.type + '-plain-hover' : 'u-' + this.type + '-hover';
- return hoverClass;
- },
- // 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
- showHairLineBorder() {
- if (['primary', 'success', 'error', 'warning'].indexOf(this.type) >= 0 && !this.plain) {
- return '';
- } else {
- return 'u-hairline-border';
- }
- }
- },
- data() {
- return {
- rippleTop: 0, // 水波纹的起点Y坐标到按钮上边界的距离
- rippleLeft: 0, // 水波纹起点X坐标到按钮左边界的距离
- fields: {}, // 波纹按钮节点信息
- waveActive: false // 激活水波纹
- };
- },
- methods: {
- // 按钮点击
- click(e) {
- // 如果按钮时disabled和loading状态,不触发水波纹效果
- if (this.loading === true || this.disabled === true) return;
- // 是否开启水波纹效果
- if (this.ripple) {
- // 每次点击时,移除上一次的类,再次添加,才能触发动画效果
- this.waveActive = false;
- this.$nextTick(function() {
- this.getWaveQuery(e);
- });
- }
- this.$emit('click');
- },
- // 查询按钮的节点信息
- getWaveQuery(e) {
- this.getElQuery().then(res => {
- // 查询返回的是一个数组节点
- let data = res[0];
- // 查询不到节点信息,不操作
- if (!data.width || !data.width) return;
- // 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
- // 最终的方形(变换后的圆形)才能覆盖整个按钮
- data.targetWidth = data.height > data.width ? data.height : data.width;
- if (!data.targetWidth) return;
- this.fields = data;
- let touchesX = '',
- touchesY = '';
- // #ifdef MP-BAIDU
- touchesX = e.changedTouches[0].clientX;
- touchesY = e.changedTouches[0].clientY;
- // #endif
- // #ifdef MP-ALIPAY
- touchesX = e.detail.clientX;
- touchesY = e.detail.clientY;
- // #endif
- // #ifndef MP-BAIDU || MP-ALIPAY
- touchesX = e.touches[0].clientX;
- touchesY = e.touches[0].clientY;
- // #endif
- // 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
- // 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
- // 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
- this.rippleTop = touchesY - data.top - data.targetWidth / 2;
- this.rippleLeft = touchesX - data.left - data.targetWidth / 2;
- this.$nextTick(() => {
- this.waveActive = true;
- });
- });
- },
- // 获取节点信息
- getElQuery() {
- return new Promise(resolve => {
- let queryInfo = '';
- // 获取元素节点信息,请查看uniapp相关文档
- // https://uniapp.dcloud.io/api/ui/nodes-info?id=nodesrefboundingclientrect
- queryInfo = uni.createSelectorQuery().in(this);
- //#ifdef MP-ALIPAY
- queryInfo = uni.createSelectorQuery();
- //#endif
- queryInfo.select('.u-btn').boundingClientRect();
- queryInfo.exec(data => {
- resolve(data);
- });
- });
- },
- // 下面为对接uniapp官方按钮开放能力事件回调的对接
- getphonenumber(res) {
- this.$emit('getphonenumber', res);
- },
- getuserinfo(res) {
- this.$emit('getuserinfo', res);
- },
- error(res) {
- this.$emit('error', res);
- },
- opensetting(res) {
- this.$emit('opensetting', res);
- },
- launchapp(res) {
- this.$emit('launchapp', res);
- }
- }
- };
- </script>
-
- <style scoped lang="scss">
- @import '../../libs/css/style.components.scss';
- .u-btn::after {
- border: none;
- }
-
- .u-btn {
- position: relative;
- border: 0;
- //border-radius: 10rpx;
- display: inline-block;
- overflow: hidden;
- line-height: 1;
- display: flex;
- align-items: center;
- justify-content: center;
- cursor: pointer;
- padding: 0 40rpx;
- z-index: 1;
- box-sizing: border-box;
- transition: all 0.15s;
-
- &--bold-border {
- border: 1px solid #ffffff;
- }
-
- &--default {
- color: $u-content-color;
- border-color: #c0c4cc;
- background-color: #ffffff;
- }
-
- &--primary {
- color: #ffffff;
- border-color: $u-type-primary;
- background-color: $u-type-primary;
- }
-
- &--success {
- color: #ffffff;
- border-color: $u-type-success;
- background-color: $u-type-success;
- }
-
- &--error {
- color: #ffffff;
- border-color: $u-type-error;
- background-color: $u-type-error;
- }
-
- &--warning {
- color: #ffffff;
- border-color: $u-type-warning;
- background-color: $u-type-warning;
- }
-
- &--default--disabled {
- color: #ffffff;
- border-color: #e4e7ed;
- background-color: #ffffff;
- }
-
- &--primary--disabled {
- color: #ffffff!important;
- border-color: $u-type-primary-disabled!important;
- background-color: $u-type-primary-disabled!important;
- }
-
- &--success--disabled {
- color: #ffffff!important;
- border-color: $u-type-success-disabled!important;
- background-color: $u-type-success-disabled!important;
- }
-
- &--error--disabled {
- color: #ffffff!important;
- border-color: $u-type-error-disabled!important;
- background-color: $u-type-error-disabled!important;
- }
-
- &--warning--disabled {
- color: #ffffff!important;
- border-color: $u-type-warning-disabled!important;
- background-color: $u-type-warning-disabled!important;
- }
-
- &--primary--plain {
- color: $u-type-primary!important;
- border-color: $u-type-primary-disabled!important;
- background-color: $u-type-primary-light!important;
- }
-
- &--success--plain {
- color: $u-type-success!important;
- border-color: $u-type-success-disabled!important;
- background-color: $u-type-success-light!important;
- }
-
- &--error--plain {
- color: $u-type-error!important;
- border-color: $u-type-error-disabled!important;
- background-color: $u-type-error-light!important;
- }
-
- &--warning--plain {
- color: $u-type-warning!important;
- border-color: $u-type-warning-disabled!important;
- background-color: $u-type-warning-light!important;
- }
- }
-
- .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 {
- display: inline-flex;
- width: auto;
- font-size: 26rpx;
- height: 70rpx;
- line-height: 70rpx;
- padding: 0 80rpx;
- }
-
- .u-size-mini {
- display: inline-flex;
- 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>
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