初始上传

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2026-04-04 17:27:12 +08:00
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commit b7e11774ee
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<template>
<view class="uni-select-lay" :style="{ 'z-index': zindex }">
<input type="text" :name="name" v-model="value" class="uni-select-input" readonly />
<view class="uni-select-lay-select" :class="{ active: active }">
<!-- 禁用mask -->
<view class="uni-disabled" v-if="disabled"></view>
<!-- 禁用mask -->
<!-- 清空 -->
<view class="uni-select-lay-input-close" v-if="changevalue != '' && this.active"><text @click.stop="removevalue"></text></view>
<!-- 清空 -->
<input
type="text"
readonly
disabled="true"
class="uni-select-lay-input"
:class="{ active: changevalue != '' && changevalue != placeholder }"
v-model="changevalue"
:placeholder="placeholder"
@focus="unifocus"
@input="intchange"
@blur="uniblur"
@click.stop="select"
/>
<view class="uni-select-lay-icon" :class="{ disabled: disabled }" @click.stop="select"><text></text></view>
</view>
<view class="uni-date-mask" v-show="active" @click.stop="select"></view>
<scroll-view class="uni-select-lay-options" :scroll-y="true" v-show="active" @scroll="selectmove" @touchstart="movetouch">
<template v-if="!changes">
<view class="uni-select-lay-item" v-if="showplaceholder" :class="{ active: value == '' }" @click.stop="selectitem(-1, null)">{{ placeholder }}</view>
<view class="uni-select-lay-item" :class="{ active: value == item[svalue], disabled: item.disabled }" v-for="(item, index) in options" :key="index" @click.stop="selectitem(index, item)">
{{ item[slabel] }}
</view>
</template>
<!-- 搜索 -->
<template v-else>
<template v-if="vlist.length > 0">
<view class="uni-select-lay-item" :class="{ active: value == item[svalue] }" v-for="(item, index) in vlist" :key="index" @click.stop="selectitem(index, item)">
{{ item[slabel] }}
</view>
</template>
<template v-else>
<view class="nosearch">{{ changesValue }}</view>
</template>
</template>
</scroll-view>
</view>
</template>
<script>
export default {
name: 'select-lay',
props: {
disabled: {
type: Boolean,
default: false
},
zindex: {
type: Number,
default: 999
},
options: {
type: Array,
default() {
return [];
}
},
name: {
type: String,
default: ''
},
value: {
type: [String,Number],
default: ''
},
placeholder: {
type: String,
default: '请选择'
},
showplaceholder: {
type: Boolean,
default: true
},
slabel: {
type: String,
default: 'label'
},
svalue: {
type: String,
default: 'value'
}
},
data() {
return {
active: false, //组件是否激活,
isfocus: false, //是否有焦点
isremove: false, //是否是因为点击清空才导致的失去焦点
ismove: false, //是否是因为移动才失去焦点
changevalue: '', //搜索框同步
oldvalue: '', //数据回滚
changes: false, //正在搜索
changesValue: '',
vlist: [], //搜索框查询的列表
settimer: null //value改变定时器
};
},
mounted() {
this.itemcheck();
},
watch: {
//value改变
value() {
this.itemcheck();
},
//初始化数组
options() {
// 此处判断是否有初始value,存在则判断显示文字
this.itemcheck();
}
},
methods: {
//判断数组跟当前active值
itemcheck() {
// 此处判断是否有初始value,存在则判断显示文字
if (this.value != '') {
// 展示plachhoder
//判断数组
if (this.options.length > 0) {
this.options.forEach(item => {
if (this.value == item[this.svalue]) {
this.oldvalue = this.changevalue = item[this.slabel];
return;
}
});
}
} else {
this.oldvalue = this.changevalue = '';
}
},
//点击组件
select() {
if (this.disabled) return;
this.active = !this.active;
if (this.active) {
this.changes = false;
} else {
this.changevalue = this.oldvalue;
}
},
// 获得焦点
unifocus() {
if (this.disabled) return;
this.active = true;
this.changes = false;
this.isfocus = true;
},
// 失去焦点
uniblur() {
this.isfocus = false;
// bug 点击组件列会先触发失去焦点,此时组件列事件不执行
setTimeout(() => {
if (this.isremove || this.ismove) {
this.isremove = false;
this.ismove = false;
} else {
this.changevalue = this.oldvalue;
this.isremove = false;
this.active = false;
}
}, 153);
},
movetouch() {
setTimeout(() => {
if (this.isfocus) {
this.ismove = false;
return;
}
if (!this.ismove) this.ismove = true;
}, 100);
// this.changes = false;
},
selectmove() {
setTimeout(() => {
if (this.isfocus) {
this.ismove = false;
return;
}
if (!this.ismove) this.ismove = true;
}, 100);
// this.changes = false;
},
//移除数据
removevalue() {
this.isremove = true;
this.changes = false;
this.changevalue = '';
},
//value 改变
intchange() {
if (this.changevalue == '') {
this.changes = false;
return;
}
if (this.oldvalue == this.changevalue) {
return;
}
this.vlist = [];
this.changes = true;
this.changesValue = '正在搜索...';
if (this.settimer) {
clearTimeout(this.settimer);
}
this.settimer = setTimeout(() => {
this.vlist = this.options.filter(item => {
return item[this.slabel].includes(this.changevalue);
});
if (this.vlist.length === 0) {
this.changesValue = '暂无匹配内容!';
}
}, 600);
},
//点击组件列
selectitem(index, item) {
if (item && item.disabled) {
return false;
}
this.changevalue = this.oldvalue;
this.active = false;
this.$emit('selectitem', index, item);
}
}
};
</script>
<style lang="scss" scoped>
.uni-select-lay {
position: relative;
z-index: 999;
box-sizing: border-box;
.uni-select-input {
opacity: 0;
position: absolute;
z-index: -111;
}
// select部分
.uni-select-lay-select {
user-select: none;
position: relative;
z-index: 3;
height: 0.32rem;
padding: 0 0.3rem 0 0.1rem;
box-sizing: border-box;
border-radius: 0.02rem;
border: 0.01rem solid rgb(229, 229, 229);
display: flex;
align-items: center;
font-size: 0.14rem;
color: #999;
.uni-disabled {
position: absolute;
left: 0;
width: 100%;
height: 100%;
z-index: 19;
cursor: no-drop;
background: rgba(255, 255, 255, 0.5);
}
// input 框的清除按钮
.uni-select-lay-input-close {
position: absolute;
right: 0.35rem;
top: 0;
height: 100%;
width: 0.15rem;
display: flex;
align-items: center;
justify-content: center;
z-index: 3;
cursor: pointer;
text {
position: relative;
background: #fff;
width: 0.13rem;
height: 0.13rem;
border-radius: 50%;
border: 0.01rem solid #bbb;
&::before,
&::after {
content: '';
position: absolute;
left: 20%;
top: 50%;
height: 0.01rem;
width: 60%;
transform: rotate(45deg);
background-color: #bbb;
}
&::after {
transform: rotate(-45deg);
}
}
}
.uni-select-lay-input {
font-size: 0.14rem;
color: #999;
display: block;
width: 98%;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
line-height: 0.3rem;
box-sizing: border-box;
&.active {
color: #333;
}
}
.uni-select-lay-icon {
cursor: pointer;
position: absolute;
right: 0;
top: 0;
height: 100%;
width: 0.3rem;
display: flex;
align-items: center;
justify-content: center;
&::before {
content: '';
width: 0.01rem;
height: 100%;
position: absolute;
left: 0;
top: 0;
background-color: #e5e5e5;
}
text {
display: block;
width: 0;
height: 0;
border-width: 0.07rem 0.07rem 0;
border-style: solid;
border-color: #bbb transparent transparent;
transition: 0.3s;
}
&.disabled {
cursor: no-drop;
text {
width: 0.2rem;
height: 0.2rem;
border: 0.02rem solid #ff0000;
border-radius: 50%;
transition: 0.3s;
position: relative;
z-index: 999;
&::after {
content: '';
position: absolute;
top: 50%;
left: 0;
width: 100%;
height: 0.02rem;
margin-top: -0.01rem;
background-color: #ff0000;
transform: rotate(45deg);
}
}
}
}
&.active .uni-select-lay-icon {
text {
transform: rotate(180deg);
}
}
}
// options部分
.uni-select-lay-options {
user-select: none;
position: absolute;
top: calc(100% + 0.05rem);
left: 0;
width: 100%;
// height: 500rpx;
max-height: 2.5rem;
// overflow-y: auto;
border-radius: 0.02rem;
border: 1px solid rgb(229, 229, 229);
background: #fff;
padding: 0.05rem 0;
box-sizing: border-box;
z-index: 9;
.uni-select-lay-item {
padding: 0 0.1rem;
box-sizing: border-box;
cursor: pointer;
line-height: 2.5;
transition: 0.3s;
font-size: 0.14rem;
&.active {
background: $primary-color;
color: #fff;
&:hover {
background: $primary-color;
color: #fff;
}
}
&.disabled {
color: #999;
cursor: not-allowed;
}
&:hover {
background-color: #f5f5f5;
}
}
.nosearch {
font-size: 0.16rem;
line-height: 3;
text-align: center;
color: #666;
}
}
}
.uni-date-mask {
position: fixed;
bottom: 0;
top: 0;
left: 0;
right: 0;
background-color: rgba(0, 0, 0, 0);
transition-duration: 0.3s;
z-index: 8;
}
</style>