index.vue
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<template>
<div class="eagle-input-tag">
<el-tag :key="index" v-for="(tag, index) in model" closable disable-transitions @close="handleClose(tag)" size="mini" type="info">
{{ tag }}
</el-tag>
<input v-model="inputValue" @keydown.enter="handleInputConfirm" @keydown.delete="handleDelete" :placeholder="_placeholder" />
<div class="btn-clear" v-if="clearable && (inputValue || model.length > 0)">
<i class="el-icon-circle-close" @click="handleClear"></i>
</div>
</div>
</template>
<script>
export default {
name: 'KeywordInput',
props: {
value: [Array, String],
placeholder: String,
unique: {
type: Boolean,
default: true,
},
deletable: {
type: Boolean,
default: false,
},
clearable: {
type: Boolean,
default: false,
},
type: {
type: String,
default: 'array', // array | string
},
},
data: () => ({
model: [],
inputValue: '',
}),
watch: {
value: {
handler(val) {
if (this.type === 'string') {
this.model = val
? val
.replace(/，/, ',')
.replace(/\s+/g, '')
.split(',')
: [];
} else {
this.model = val || [];
}
if (!val || (val && val.length === 0)) {
this.inputValue = '';
}
},
immediate: true,
},
},
computed: {
_placeholder() {
if (!this.value || (this.value && this.value.length === 0)) {
return this.placeholder || this.i18n('eagle.input.input') || '请输入';
} else {
return undefined;
}
},
},
methods: {
handleClose(tag) {
this.model.splice(this.model.indexOf(tag), 1);
this.emitValue();
},
handleInputConfirm() {
let inputValue = this.inputValue;
if (inputValue) {
if (this.unique) {
let modelSet = new Set([...this.model]);
modelSet.add(inputValue);
this.model = Array.from(modelSet);
} else {
this.model.push(inputValue);
}
}
this.inputValue = '';
this.emitValue();
},
emitValue() {
if (this.type === 'string') {
this.$emit('input', this.model.join(','));
} else {
this.$emit('input', this.model);
}
},
handleDelete() {
if (!this.inputValue && this.model && this.model.length > 0 && this.deletable) {
this.model.splice(this.model.length - 1, 1);
this.emitValue();
}
},
handleClear() {
this.inputValue = '';
this.model = [];
this.emitValue();
},
},
};
</script>
<style>
.eagle-input-tag {
display: flex;
align-items: center;
flex-wrap: wrap;
-webkit-appearance: none;
background-color: #ffffff;
background-image: none;
border-radius: 4px;
border: 1px solid #dcdfe6;
-webkit-box-sizing: border-box;
box-sizing: border-box;
color: #606266;
font-size: inherit;
outline: none;
padding: 5px 5px 0px 5px;
-webkit-transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
width: 100%;
}
.eagle-input-tag:hover {
border-color: #c0c4cc;
}
.eagle-input-tag .el-tag:not(:last-child) {
margin-right: 5px;
margin-bottom: 5px;
}
.eagle-input-tag input {
flex: auto;
-webkit-appearance: none;
background-color: #ffffff;
background-image: none;
-webkit-box-sizing: border-box;
box-sizing: border-box;
color: #606266;
display: inline-block;
font-size: inherit;
outline: none;
padding: 0 5px;
margin-bottom: 5px;
-webkit-transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
border: 0;
font-size: 14px;
height: 20px;
padding: 0 5px;
line-height: 19px;
}
.eagle-input-tag .btn-clear {
height: 20px;
display: flex;
align-items: center;
justify-content: center;
}
.eagle-input-tag .btn-clear i {
cursor: pointer;
position: relative;
top: -2px;
color: #dcdfe6;
}
.eagle-input-tag .btn-clear i:hover {
color: #606266;
}
</style>