<template>
<!-- #ifndef APP-NVUE -->
<button
:hover-start-time="Number(hoverStartTime)"
:hover-stay-time="Number(hoverStayTime)"
: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"
@agreeprivacyauthorization="agreeprivacyauthorization"
:hover-class="!disabled && !loading ? 'u-button--active' : ''"
class="u-button u-reset-button"
:style="[baseColor, $u.addStyle(customStyle)]"
@tap="clickHandler"
:class="bemClass"
>
<template v-if="loading">
<u-loading-icon
:mode="loadingMode"
:size="loadingSize * 1.15"
:color="loadingColor"
></u-loading-icon>
<text
class="u-button__loading-text"
:style="[{ fontSize: textSize + 'px' }]"
>{{ loadingText || text }}</text
>
</template>
<template v-else>
<u-icon
v-if="icon"
:name="icon"
:color="iconColorCom"
:size="textSize * 1.35"
:customStyle="{ marginRight: '2px' }"
></u-icon>
<slot>
<text
class="u-button__text"
:style="[{ fontSize: textSize + 'px' }]"
>{{ text }}</text
>
</slot>
</template>
</button>
<!-- #endif -->
<!-- #ifdef APP-NVUE -->
<view
:hover-start-time="Number(hoverStartTime)"
:hover-stay-time="Number(hoverStayTime)"
class="u-button"
:hover-class="
!disabled && !loading && !color && (plain || type === 'info')
? 'u-button--active--plain'
: !disabled && !loading && !plain
? 'u-button--active'
: ''
"
@tap="clickHandler"
:class="bemClass"
:style="[baseColor, $u.addStyle(customStyle)]"
>
<template v-if="loading">
<u-loading-icon
:mode="loadingMode"
:size="loadingSize * 1.15"
:color="loadingColor"
></u-loading-icon>
<text
class="u-button__loading-text"
:style="[nvueTextStyle]"
:class="[plain && `u-button__text--plain--${type}`]"
>{{ loadingText || text }}</text
>
</template>
<template v-else>
<u-icon
v-if="icon"
:name="icon"
:color="iconColorCom"
:size="textSize * 1.35"
></u-icon>
<text
class="u-button__text"
:style="[
{
marginLeft: icon ? '2px' : 0,
},
nvueTextStyle,
]"
:class="[plain && `u-button__text--plain--${type}`]"
>{{ text }}</text
>
</template>
</view>
<!-- #endif -->
</template>
<script>
import button from "../../libs/mixin/button.js";
import openType from "../../libs/mixin/openType.js";
import props from "./props.js";
/**
* button 按钮
* @description Button 按钮
* @tutorial https://www.uviewui.com/components/button.html
*
* @property {Boolean} hairline 是否显示按钮的细边框 (默认 true )
* @property {String} type 按钮的预置样式，info，primary，error，warning，success (默认 'info' )
* @property {String} size 按钮尺寸，large，normal，mini （默认 normal）
* @property {String} shape 按钮形状，circle（两边为半圆），square（带圆角） （默认 'square' ）
* @property {Boolean} plain 按钮是否镂空，背景色透明 （默认 false）
* @property {Boolean} disabled 是否禁用 （默认 false）
* @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) （默认 false）
* @property {String | Number} loadingText 加载中提示文字
* @property {String} loadingMode 加载状态图标类型 （默认 'spinner' ）
* @property {String | Number} loadingSize 加载图标大小 （默认 15 ）
* @property {String} openType 开放能力，具体请看uniapp稳定关于button组件部分说明
* @property {String} formType 用于 <form> 组件，点击分别会触发 <form> 组件的 submit/reset 事件
* @property {String} appParameter 打开 APP 时，向 APP 传递的参数，open-type=launchApp时有效 （注：只微信小程序、QQ小程序有效）
* @property {Boolean} hoverStopPropagation 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（默认 true ）
* @property {String} lang 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（默认 en ）
* @property {String} sessionFrom 会话来源，openType="contact"时有效
* @property {String} sendMessageTitle 会话内消息卡片标题，openType="contact"时有效
* @property {String} sendMessagePath 会话内消息卡片点击跳转小程序路径，openType="contact"时有效
* @property {String} sendMessageImg 会话内消息卡片图片，openType="contact"时有效
* @property {Boolean} showMessageCard 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，openType="contact"时有效（默认false）
* @property {String} dataName 额外传参参数，用于小程序的data-xxx属性，通过target.dataset.name获取
* @property {String | Number} throttleTime 节流，一定时间内只能触发一次 （默认 0 )
* @property {String | Number} hoverStartTime 按住后多久出现点击态，单位毫秒 （默认 0 )
* @property {String | Number} hoverStayTime 手指松开后点击态保留时间，单位毫秒 （默认 200 )
* @property {String | Number} text 按钮文字，之所以通过props传入，是因为slot传入的话（注：nvue中无法控制文字的样式）
* @property {String} icon 按钮图标
* @property {String} iconColor 按钮图标颜色
* @property {String} color 按钮颜色，支持传入linear-gradient渐变色
* @property {Object} customStyle 定义需要用到的外部样式
*
* @event {Function} click 非禁止并且非加载中，才能点击
* @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
* @event {Function} agreeprivacyauthorization 用户同意隐私协议事件回调
* @example <u-button>月落</u-button>
*/
export default {
name: "u-button",
// #ifdef MP
mixins: [uni.$u.mpMixin, uni.$u.mixin, button, openType, props],
// #endif
// #ifndef MP
mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
// #endif
data() {
return {};
},
computed: {
// 生成bem风格的类名
bemClass() {
// this.bem为一个computed变量，在mixin中
if (!this.color) {
return this.bem(
"button",
["type", "shape", "size"],
["disabled", "plain", "hairline"]
);
} else {
// 由于nvue的原因，在有color参数时，不需要传入type，否则会生成type相关的类型，影响最终的样式
return this.bem(
"button",
["shape", "size"],
["disabled", "plain", "hairline"]
);
}
},
loadingColor() {
if (this.plain) {
// 如果有设置color值，则用color值，否则使用type主题颜色
return this.color
? this.color
: uni.$u.config.color[`u-${this.type}`];
}
if (this.type === "info") {
return "#c9c9c9";
}
return "rgb(200, 200, 200)";
},
iconColorCom() {
// 如果是镂空状态，设置了color就用color值，否则使用主题颜色，
// u-icon的color能接受一个主题颜色的值
if (this.iconColor) return this.iconColor;
if (this.plain) {
return this.color ? this.color : this.type;
} else {
return this.type === "info" ? "#000000" : "#ffffff";
}
},
baseColor() {
let style = {};
if (this.color) {
// 针对自定义了color颜色的情况，镂空状态下，就是用自定义的颜色
style.color = this.plain ? this.color : "white";
if (!this.plain) {
// 非镂空，背景色使用自定义的颜色
style["background-color"] = this.color;
}
if (this.color.indexOf("gradient") !== -1) {
// 如果自定义的颜色为渐变色，不显示边框，以及通过backgroundImage设置渐变色
// weex文档说明可以写borderWidth的形式，为什么这里需要分开写？
// 因为weex是阿里巴巴为了部门业绩考核而做的你懂的东西，所以需要这么写才有效
style.borderTopWidth = 0;
style.borderRightWidth = 0;
style.borderBottomWidth = 0;
style.borderLeftWidth = 0;
if (!this.plain) {
style.backgroundImage = this.color;
}
} else {
// 非渐变色，则设置边框相关的属性
style.borderColor = this.color;
style.borderWidth = "1px";
style.borderStyle = "solid";
}
}
return style;
},
// nvue版本按钮的字体不会继承父组件的颜色，需要对每一个text组件进行单独的设置
nvueTextStyle() {
let style = {};
// 针对自定义了color颜色的情况，镂空状态下，就是用自定义的颜色
if (this.type === "info") {
style.color = "#323233";
}
if (this.color) {
style.color = this.plain ? this.color : "white";
}
style.fontSize = this.textSize + "px";
return style;
},
// 字体大小
textSize() {
let fontSize = 14,
{ size } = this;
if (size === "large") fontSize = 16;
if (size === "normal") fontSize = 14;
if (size === "small") fontSize = 12;
if (size === "mini") fontSize = 10;
return fontSize;
},
},
methods: {
clickHandler() {
// 非禁止并且非加载中，才能点击
if (!this.disabled && !this.loading) {
// 进行节流控制，每this.throttle毫秒内，只在开始处执行
uni.$u.throttle(() => {
this.$emit("click");
}, this.throttleTime);
}
},
// 下面为对接uniapp官方按钮开放能力事件回调的对接
getphonenumber(res) {
this.$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);
},
agreeprivacyauthorization(res) {
this.$emit("agreeprivacyauthorization", res);
},
},
};
</script>
<style lang="scss" scoped>
@import "../../libs/css/components.scss";
/* #ifndef APP-NVUE */
@import "./vue.scss";
/* #endif */
/* #ifdef APP-NVUE */
@import "./nvue.scss";
/* #endif */
$u-button-u-button-height: 40px !default;
$u-button-text-font-size: 15px !default;
$u-button-loading-text-font-size: 15px !default;
$u-button-loading-text-margin-left: 4px !default;
$u-button-large-width: 100% !default;
$u-button-large-height: 50px !default;
$u-button-normal-padding: 0 12px !default;
$u-button-large-padding: 0 15px !default;
$u-button-normal-font-size: 14px !default;
$u-button-small-min-width: 60px !default;
$u-button-small-height: 30px !default;
$u-button-small-padding: 0px 8px !default;
$u-button-mini-padding: 0px 8px !default;
$u-button-small-font-size: 12px !default;
$u-button-mini-height: 22px !default;
$u-button-mini-font-size: 10px !default;
$u-button-mini-min-width: 50px !default;
$u-button-disabled-opacity: 0.5 !default;
$u-button-info-color: #323233 !default;
$u-button-info-background-color: #fff !default;
$u-button-info-border-color: #ebedf0 !default;
$u-button-info-border-width: 1px !default;
$u-button-info-border-style: solid !default;
$u-button-success-color: #fff !default;
$u-button-success-background-color: $u-success !default;
$u-button-success-border-color: $u-button-success-background-color !default;
$u-button-success-border-width: 1px !default;
$u-button-success-border-style: solid !default;
$u-button-primary-color: #fff !default;
$u-button-primary-background-color: $u-primary !default;
$u-button-primary-border-color: $u-button-primary-background-color !default;
$u-button-primary-border-width: 1px !default;
$u-button-primary-border-style: solid !default;
$u-button-error-color: #fff !default;
$u-button-error-background-color: $u-error !default;
$u-button-error-border-color: $u-button-error-background-color !default;
$u-button-error-border-width: 1px !default;
$u-button-error-border-style: solid !default;
$u-button-warning-color: #fff !default;
$u-button-warning-background-color: $u-warning !default;
$u-button-warning-border-color: $u-button-warning-background-color !default;
$u-button-warning-border-width: 1px !default;
$u-button-warning-border-style: solid !default;
$u-button-block-width: 100% !default;
$u-button-circle-border-top-right-radius: 100px !default;
$u-button-circle-border-top-left-radius: 100px !default;
$u-button-circle-border-bottom-left-radius: 100px !default;
$u-button-circle-border-bottom-right-radius: 100px !default;
$u-button-square-border-top-right-radius: 3px !default;
$u-button-square-border-top-left-radius: 3px !default;
$u-button-square-border-bottom-left-radius: 3px !default;
$u-button-square-border-bottom-right-radius: 3px !default;
$u-button-icon-min-width: 1em !default;
$u-button-plain-background-color: #fff !default;
$u-button-hairline-border-width: 0.5px !default;
.u-button {
height: $u-button-u-button-height;
position: relative;
align-items: center;
justify-content: center;
@include flex;
/* #ifndef APP-NVUE */
box-sizing: border-box;
/* #endif */
flex-direction: row;
&__text {
font-size: $u-button-text-font-size;
}
&__loading-text {
font-size: $u-button-loading-text-font-size;
margin-left: $u-button-loading-text-margin-left;
}
&--large {
/* #ifndef APP-NVUE */
width: $u-button-large-width;
/* #endif */
height: $u-button-large-height;
padding: $u-button-large-padding;
}
&--normal {
padding: $u-button-normal-padding;
font-size: $u-button-normal-font-size;
}
&--small {
/* #ifndef APP-NVUE */
min-width: $u-button-small-min-width;
/* #endif */
height: $u-button-small-height;
padding: $u-button-small-padding;
font-size: $u-button-small-font-size;
}
&--mini {
height: $u-button-mini-height;
font-size: $u-button-mini-font-size;
/* #ifndef APP-NVUE */
min-width: $u-button-mini-min-width;
/* #endif */
padding: $u-button-mini-padding;
}
&--disabled {
opacity: $u-button-disabled-opacity;
}
&--info {
color: $u-button-info-color;
background-color: $u-button-info-background-color;
border-color: $u-button-info-border-color;
border-width: $u-button-info-border-width;
border-style: $u-button-info-border-style;
}
&--success {
color: $u-button-success-color;
background-color: $u-button-success-background-color;
border-color: $u-button-success-border-color;
border-width: $u-button-success-border-width;
border-style: $u-button-success-border-style;
}
&--primary {
color: $u-button-primary-color;
background-color: $u-button-primary-background-color;
border-color: $u-button-primary-border-color;
border-width: $u-button-primary-border-width;
border-style: $u-button-primary-border-style;
}
&--error {
color: $u-button-error-color;
background-color: $u-button-error-background-color;
border-color: $u-button-error-border-color;
border-width: $u-button-error-border-width;
border-style: $u-button-error-border-style;
}
&--warning {
color: $u-button-warning-color;
background-color: $u-button-warning-background-color;
border-color: $u-button-warning-border-color;
border-width: $u-button-warning-border-width;
border-style: $u-button-warning-border-style;
}
&--block {
@include flex;
width: $u-button-block-width;
}
&--circle {
border-top-right-radius: $u-button-circle-border-top-right-radius;
border-top-left-radius: $u-button-circle-border-top-left-radius;
border-bottom-left-radius: $u-button-circle-border-bottom-left-radius;
border-bottom-right-radius: $u-button-circle-border-bottom-right-radius;
}
&--square {
border-bottom-left-radius: $u-button-square-border-top-right-radius;
border-bottom-right-radius: $u-button-square-border-top-left-radius;
border-top-left-radius: $u-button-square-border-bottom-left-radius;
border-top-right-radius: $u-button-square-border-bottom-right-radius;
}
&__icon {
/* #ifndef APP-NVUE */
min-width: $u-button-icon-min-width;
line-height: inherit !important;
vertical-align: top;
/* #endif */
}
&--plain {
background-color: $u-button-plain-background-color;
}
&--hairline {
border-width: $u-button-hairline-border-width !important;
}
}
</style>