This commit is contained in:
2025-08-12 15:04:01 +08:00
parent df3f5f5269
commit 6708fb8eeb
544 changed files with 75169 additions and 17 deletions
@@ -0,0 +1,104 @@
export default {
props: {
// 默认值
value: {
type: [String, Number],
default: () => uni.$u.props.select.value
},
// 本地数据,格式 [{text:'',value:''}]
list: {
type: Array,
default: () => uni.$u.props.select.list
},
// 选项对象中,需要展示的属性键名
keyName: {
type: String,
default: ()=> uni.$u.props.select.keyName
},
// 选项对象中,需要展示的属性键名
valueName: {
type: String,
default: ()=> uni.$u.props.select.valueName
},
// 是否显示清除控件
clearable: {
type: Boolean,
default: () => uni.$u.props.select.clearable
},
// 没有数据时显示的文字,本地数据无效
emptyText: {
type: String,
default: () => uni.$u.props.select.emptyText
},
// 左侧标题
label: {
type: String,
default: () => uni.$u.props.select.label
},
// 输入框的提示文字
placeholder: {
type: String,
default: () => uni.$u.props.select.placeholder
},
// placeholder的样式
placeholderStyle: {
type: [String, Object],
default: () => uni.$u.props.select.placeholderStyle
},
// 背景颜色
backgroundColor: {
type: String,
default: () => uni.$u.props.select.backgroundColor
},
// 圆角值
round: {
type: [String, Number],
default: () => uni.$u.props.select.round
},
// 边框颜色
borderColor: {
type: String,
default: () => uni.$u.props.select.borderColor
},
// 是否禁用
disabled: {
type: Boolean,
default: () => uni.$u.props.select.disabled
},
// 禁用状态时的背景色
disabledColor: {
type: String,
default: () => uni.$u.props.select.disabledColor
},
// 是否允许选中文本换行显示
wrap: {
type: Boolean,
default: () => uni.$u.props.select.wrap
},
// 弹出位置
placement: {
type: String,
default: () => uni.$u.props.select.placement
},
// 选择文字的位置
align: {
type: String,
default: () => uni.$u.props.select.align
},
// 是否显示箭头
showArrow: {
type: Boolean,
default: () => uni.$u.props.select.showArrow
},
// 边框样式
border: {
type: String,
default: () => uni.$u.props.select.border
},
// 自定义样式
customStyle: {
type: [Object, String],
default: () => uni.$u.props.select.customStyle
}
}
}
@@ -0,0 +1,460 @@
<template>
<view class="u-select" :class="[`u-select--${border}`]" :style="[$u.addStyle(customStyle)]">
<!-- 标签 -->
<view v-if="label" class="u-select__label" :class="[`u-select__label--${align}`]">
<text class="u-select__label-text">{{ label }}</text>
</view>
<!-- 选择框容器 -->
<view class="u-select__container">
<!-- 选择框 -->
<view
class="u-select__input"
:class="[
`u-select__input--${border}`,
`u-select__input--${align}`,
{
'u-select__input--disabled': disabled,
'u-select__input--active': showDropdown
}
]"
:style="[inputStyle]"
@click="onInputClick"
>
<!-- 选择内容 -->
<view class="u-select__content">
<text
v-if="displayText"
class="u-select__text"
:class="{ 'u-select__text--wrap': wrap }"
>
{{ displayText }}
</text>
<text v-else class="u-select__placeholder" :style="[$u.addStyle(placeholderStyle)]">{{ placeholder }}</text>
</view>
<!-- 右侧图标 -->
<view v-if="!showArrow" class="u-select__right">
<!-- 清空按钮 -->
<view
v-if="clearable && !disabled && (innerValue !== '' && innerValue !== null && innerValue !== undefined)"
class="u-select__clear"
@click.stop="onClear"
>
<u-icon
name="close"
size="11"
color="#ffffff"
customStyle="line-height: 12px"
></u-icon>
</view>
<!-- 箭头图标 -->
<view v-else class="u-select__arrow">
<u-icon
name="arrow-down"
size="12"
color="#c0c4cc"
:class="{ 'u-select__arrow--active': showDropdown }"
></u-icon>
</view>
</view>
</view>
<!-- 下拉列表 -->
<view
v-if="showDropdown"
class="u-select__dropdown"
:class="[
`u-select__dropdown--${placement}`,
{ 'u-select__dropdown--show': showDropdown }
]"
>
<scroll-view
class="u-select__dropdown-scroll"
scroll-y="true"
:style="{ maxHeight: '200px' }"
>
<!-- 空数据提示 -->
<view v-if="list.length === 0" class="u-select__empty">
<text class="u-select__empty-text">{{ emptyText }}</text>
</view>
<!-- 选项列表 -->
<view v-else class="u-select__options">
<view
v-for="(item, index) in list"
:key="index"
class="u-select__option"
:class="[
{
'u-select__option--selected': isSelected(item[valueName]),
'u-select__option--disabled': item.disabled
}
]"
@click="onOptionClick(item)"
>
<!-- 选项文本 -->
<text class="u-select__option-text">{{ item[keyName] }}</text>
<!-- 选中图标 -->
<view v-if="isSelected(item[valueName])" class="u-select__selected-icon">
<u-icon name="checkmark" size="16" color="#409eff"></u-icon>
</view>
</view>
</view>
</scroll-view>
</view>
</view>
<u-overlay :show="showDropdown" :zIndex="1070" opacity="0" @click="onOverlayClick"></u-overlay>
</view>
</template>
<script>
import props from './props.js';
import mixin from '../../libs/mixin/mixin'
import mpMixin from '../../libs/mixin/mpMixin';
/**
* Select 选择器组件
* @description 基于本地数据的选择器组件,支持单选模式,使用下拉列表形式
* @tutorial https://uview.d3u.cn/components/select.html
*
* @property {String|Number} value 默认值
* @property {Array} list 本地数据,格式 [{text:'',value:''}]
* @property {Boolean} clearable 是否显示清除控件
* @property {String} emptyText 没有数据时显示的文字,本地数据无效
* @property {String} label 左侧标题
* @property {String} placeholder 输入框的提示文字
* @property {String|Object} placeholderStyle 指定placeholder的样式
* @property {String} backgroundColor 背景颜色
* @property {String|Number} round 设置圆角值
* @property {String} borderColor 边框颜色
* @property {Boolean} disabled 是否禁用
* @property {String} disabledColor 禁用状态时的背景色
* @property {Boolean} wrap 是否允许选中文本换行显示
* @property {String} placement 弹出位置
* @property {String} align 选择文字的位置
* @property {Boolean} showArrow 是否隐藏右侧按钮
* @property {String} border 边框类型,surround-四周边框,bottom-底部边框,none-无边框 ( 默认 'surround' )
* @property {Object} customStyle 自定义样式
* @event {Function} change 选中发生变化触发
* @event {Function} open 选择框开启时触发
* @event {Function} close 选择框关闭时触发
* @event {Function} clear 点击清除按钮之后触发
* @example <u-select v-model="value" :list="options" @change="onChange"></u-select>
*/
export default {
name: "u-select",
mixins: [mpMixin, mixin, props],
data() {
return {
innerValue: this.value,
showDropdown: false
}
},
computed: {
// 显示文本
displayText() {
if (!this.innerValue && this.innerValue !== 0) return ''
const item = this.list.find(item => item[this.valueName] === this.innerValue)
return item ? item[this.keyName] : ''
},
inputStyle() {
let style = {
borderColor: this.borderColor,
backgroundColor: this.backgroundColor,
borderRadius: uni.$u.addUnit(this.round)
}
// 设置背景颜色
if (this.disabled) {
style.backgroundColor = this.disabledColor
style.borderColor = uni.$u.darkenColor(this.disabledColor, 0.1)
}
return style
}
},
watch: {
value: {
immediate: true,
handler(newVal) {
this.innerValue = newVal
}
}
},
// #ifdef VUE3
emits: ["change", "open", "close", "clear", "update:value"],
// #endif
methods: {
// 判断选项是否被选中
isSelected(value) {
return this.innerValue === value
},
// 点击输入框
onInputClick() {
if (this.disabled) return
if (this.list.length === 0) {
uni.showToast({
title: this.emptyText,
icon: 'none'
})
return
}
this.showDropdown = true
this.$emit('open')
},
// 点击选项
onOptionClick(item) {
if (item.disabled) return
const newValue = item[this.valueName]
this.innerValue = newValue
this.showDropdown = false
this.$emit('close')
this.$emit('change', this.innerValue)
this.$emit('update:value', this.innerValue)
},
// 点击遮罩层
onOverlayClick() {
this.showDropdown = false
this.$emit('close')
},
// 清空选择
onClear() {
if (this.disabled) return
const oldValue = this.innerValue
this.innerValue = ''
this.$emit('change', this.innerValue)
this.$emit('update:value', this.innerValue)
this.$emit('clear', oldValue)
}
}
}
</script>
<style lang="scss" scoped>
@import "../../libs/css/components.scss";
.u-select {
display: flex;
flex-direction: column;
position: relative;
&__label {
margin-bottom: 8px;
&--left {
text-align: left;
}
&--center {
text-align: center;
}
&--right {
text-align: right;
}
&-text {
font-size: 14px;
color: $u-main-color;
line-height: 1.4;
}
}
&__container {
position: relative;
}
&__input {
position: relative;
display: flex;
flex-direction: row;
align-items: center;
padding: 0px 9px;
height: 37px;
z-index: 10;
&--surround {
border: 1px solid $u-border-color;
}
&--bottom {
border: none;
border-bottom: 1px solid $u-border-color;
border-radius: 0;
}
&--none {
border: none;
padding: 0;
}
&--left {
text-align: left;
}
&--center {
text-align: center;
}
&--right {
text-align: right;
}
}
&__content {
flex: 1;
min-width: 0;
}
&__text {
font-size: 14px;
color: $u-main-color;
line-height: 1.4;
&--wrap {
word-break: break-all;
white-space: normal;
}
}
&__placeholder {
font-size: 14px;
color: #c0c4cc;
line-height: 1.4;
}
&__right {
display: flex;
align-items: center;
margin-left: 8px;
}
&__clear {
width: 20px;
height: 20px;
border-radius: 100px;
background-color: #c6c7cb;
@include flex(row);
align-items: center;
justify-content: center;
transform: scale(0.82);
}
&__arrow {
display: flex;
align-items: center;
justify-content: center;
width: 16px;
height: 16px;
transition: transform 0.3s;
&--active {
transform: rotate(180deg);
}
}
&__dropdown {
position: absolute;
top: 100%;
left: 0;
right: 0;
background-color: #ffffff;
border-radius: 4px;
box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
z-index: 1080;
margin-top: 4px;
opacity: 0;
pointer-events: none;
&--show {
opacity: 1;
pointer-events: auto;
}
&--top {
top: auto;
bottom: 100%;
margin-top: 0;
margin-bottom: 4px;
}
}
&__dropdown-scroll {
max-height: 200px;
}
&__empty {
padding: 20px;
text-align: center;
&-text {
font-size: 14px;
color: #909399;
}
}
&__options {
padding: 4px 0;
}
&__option {
display: flex;
flex-direction: row;
align-items: center;
padding: 8px 12px;
position: relative;
&:hover {
background-color: #f5f7fa;
}
&--selected {
background-color: #f0f9ff;
color: $u-primary;
font-weight: 500;
&:hover {
background-color: #e6f7ff;
}
}
&--disabled {
color: #c0c4cc;
cursor: not-allowed;
&:hover {
background-color: transparent;
transform: none;
}
&:active {
transform: none;
}
}
}
&__option-text {
flex: 1;
font-size: 14px;
line-height: 1.4;
}
&__selected-icon {
margin-left: 8px;
}
}
</style>