在项目中发现使用el-select时写的比较多重复代码,还有就是同一个页面使用el-select会出现label值会显示value值,
el-select组件化:
<template> <el-select :class="obj&&keyword[keywordattr.label]? 'selected': ''" :value="keyword" :placeholder="obj && keyword[keywordattr.label]? keyword[keywordattr.label]: placeholder" filterable :clearable="clear" remote :multiple="multiple" :loading="selectloading" :reserve-keyword="reserve" :remote-method="remotemethod" :style="{width: width}" :disabled="disabled" :value-key="keywordattr.id" @change="changeselect" @clear="handleclear" @blur="handleblur" @focus="handlefocus" @visible-change="handlervisible" > <el-option v-for="item in keywordoptions" :key="item[keywordattr.id]" :label="item[keywordattr.label]" :value="obj? item: item[keywordattr.value]" :disabled="item.disabled" > <slot :item="item"/> </el-option> </el-select> </template> <script> export default { name: 'selectremote', props: { value: { type: [string, object], default: '' }, reserve: { type: boolean, default: true }, clear: { type: boolean, default: false }, disabled: { type: boolean, default: false }, multiple: { type: boolean, default: false }, selectloading: { type: boolean, default: false }, width: { type: string, default: '100%' }, keywordoptions: { type: array, default: function() { return [] } }, keywordattr: { type: object, required: true, default: function() { return { id: '', label: '', value: '' } } }, obj: { type: boolean, default: false }, placeholder: { type: string, default: function() { return '请输入关键词' } } }, data() { return { keyword: this.value } }, watch: { value(newval) { this.keyword = newval } }, methods: { remotemethod(query) { this.$emit('remotemethod', query) }, changeselect(item) { this.$emit('changeselect', item) }, handleclear() { this.$emit('clear') }, handleblur() { this.$emit('blur') }, handlefocus() { this.$emit('focus') }, handlervisible() { this.$emit('visible-change') } } } </script> <style lang="scss" scoped> .selected ::-webkit-input-placeholder{ color: #606266 !important; } </style>
主要是使用了placeholder来显示;
在父组件中:
<seletcremote v-model="nodeoperate.saleemp" :keyword-attr="nodeobjperson" :keyword-options="empoptions" :clear="true" :obj="true" :select-loading="selectloading" @remotemethod="remotemethod" @changeselect="handleproductchange($event, nodeoperate, 'saleemp')" />
nodeobjperson: { id: 'id', label: 'empname' }
handleproductchange(val, row, field) { this.$set(row, field, val) }
可以在单选的的状态下完美解决了label显示值;
在多选状态下如何显示?
multipletrue时,暂时无法解决;只是使用了另一个组件:vue-multiselect
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。