Files
foton-laws-system-front/src/components/mySelect/index.vue
T
2021-08-06 10:16:20 +08:00

106 lines
3.1 KiB
Vue

<template>
<div id="mySelect">
<el-dropdown placement="bottom" @command="handleCommand" trigger="click">
<div class="my-select-input__wrap">
<input class="el-input__inner" type="text" v-model.lazy="selectVal" v-show="false">
<input class="el-input__inner mySelect" type="text" v-model.lazy="showLabel" readonly="readonly">
</div>
<el-dropdown-menu slot="dropdown">
<el-dropdown-item
v-for="(item,index) in options"
:key="index"
:command="item">{{ item.label }}</el-dropdown-item>
</el-dropdown-menu>
<i class="el-icon-arrow-down myIcon"></i>
</el-dropdown>
</div>
</template>
<script>
export default {
name: "mySelect",
data() {
return {
showLabel: '',
activeLi: '',
active: false,
selectVal: ''
}
},
props: {
value: {
type: String,
required: true
},
options: { // option
type: Array,
default: () => {
return []
}
}
},
methods: {
handleCommand (row) {
this.selectVal = row.label
this.showLabel = row.label
this.active = !this.active
this.$emit('update:value', this.selectVal);
}
},
watch: {
value: {
immediate: true,
handler (val) {
this.selectVal = val
for (let a = 0; a < this.options.length; a++) {
if (this.selectVal === this.options[a].value) {
this.showLabel = this.options[a].label
}
}
}
}
},
mounted() {
for (let a = 0; a < this.options.length; a++) {
if (this.selectVal === this.options[a].value) {
this.showLabel = this.options[a].label
}
}
}
}
</script>
<style scoped lang="less">
#mySelect {
}
.active {
background-color: rgb(245, 247, 250);
}
.mySelect {
width: 100%;
position: relative;
}
.mySelect:focus + .myIcon{
transform:rotate(180deg);
-ms-transform:rotate(180deg); /* IE 9 */
-moz-transform:rotate(180deg); /* Firefox */
-webkit-transform:rotate(180deg); /* Safari 和 Chrome */
-o-transform:rotate(180deg);
}
.mySelect:focus-within + .myIcon{
transform:rotate(180deg);
-ms-transform:rotate(180deg); /* IE 9 */
-moz-transform:rotate(180deg); /* Firefox */
-webkit-transform:rotate(180deg); /* Safari 和 Chrome */
-o-transform:rotate(180deg);
}
.myIcon {
cursor: pointer;
position: absolute;
right: 7px;
top: calc(~'50% - 7px');
transition: all .3s;
}
</style>