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<template>
<el-select v-model="valueSync" :multiple="multiple" :disabled="disabled" :clearable="clearable">
<el-option v-for="item in optionsFormated" :key="item.value" :label="$l(item,'label')" :value="item.value" />
</el-select>
</template>
<script>
export default {
props: {
options: Array,
value: [String, Number, Boolean, Object],
labelField: {
type: [String, Function],
default: 'label'
},
valueField: {
type: String,
default: 'value'
},
multiple: Boolean,
clearable: Boolean,
defaultable: Boolean, // 没有值的时候是否选择第一项
disabled: Boolean
},
data() {
return {
valueSync: null
}
},
computed: {
optionsFormated() {
const arr = []
this.options.forEach((item, index) => {
arr.push({
label: typeof this.labelField === 'string' ? item[this.labelField] : (this.labelField)(item, index),
value: item[this.valueField]
})
})
return arr
}
},
watch: {
valueSync(val) {
this.$emit('input', val)
},
value(value) {
this.valueSync = value
},
optionsFormated() {
this.setDefault()
}
},
created() {
this.valueSync = this.value
this.setDefault()
},
methods: {
setDefault() {
if (!this.defaultable) {
return false
}
if (this.optionsFormated.length && (this.valueSync == null || this.valueSync == '')) {
this.valueSync = this.optionsFormated[0].value
}
}
}
}
</script>