Попробуйте этот код.
<v-flex xs6>
{{searchField}}
{{search}}
<v-select
v-model="searchField"
:items="states"
menu-props="auto"
label="Select"
hide-details
prepend-icon="map"
single-line
@change="search=''"
></v-select>
<v-text-field
v-model="search"
:counter="10"
label="First name"
required
></v-text-field>
</v-flex>
<v-data-table
v-model="selected"
:headers="headers"
:items="table_data"
item-key="name"
select-all
class="elevation-1"
>
<template v-slot:items="props">
<td>
<v-checkbox
v-model="props.selected"
primary
hide-details
></v-checkbox>
</td>
<td>{{ props.item.name }}</td>
<td class="text-xs-right">{{ props.item.calories }}</td>
<td class="text-xs-right">{{ props.item.fat }}</td>
<td class="text-xs-right">{{ props.item.carbs }}</td>
<td class="text-xs-right">{{ props.item.protein }}</td>
<td class="text-xs-right">{{ props.item.iron }}</td>
</template>
</v-data-table>
data() {
return {
dialog: false,
search: '',
states: [
'Calories', 'Fat', 'Carbs', 'Protein', 'Iron'
], selected: [],
searchField: '',
headers: [
{
text: 'Dessert (100g serving)',
align: 'left',
sortable: false,
value: 'name'
},
{text: 'Calories', value: 'calories'},
{text: 'Fat (g)', value: 'fat'},
{text: 'Carbs (g)', value: 'carbs'},
{text: 'Protein (g)', value: 'protein'},
{text: 'Iron (%)', value: 'iron'}
],
desserts: [
{
name: 'Frozen Yogurt',
calories: 159,
fat: 6.0,
carbs: 24,
protein: 4.0,
iron: '1%'
},
{
name: 'Ice cream sandwich',
calories: 237,
fat: 9.0,
carbs: 37,
protein: 4.3,
iron: '1%'
},
{
name: 'Eclair',
calories: 262,
fat: 16.0,
carbs: 23,
protein: 6.0,
iron: '7%'
},
{
name: 'Cupcake',
calories: 305,
fat: 3.7,
carbs: 67,
protein: 4.3,
iron: '8%'
},
{
name: 'Gingerbread',
calories: 356,
fat: 16.0,
carbs: 49,
protein: 3.9,
iron: '16%'
},
{
name: 'Jelly bean',
calories: 375,
fat: 0.0,
carbs: 94,
protein: 0.0,
iron: '0%'
},
{
name: 'Lollipop',
calories: 392,
fat: 0.2,
carbs: 98,
protein: 0,
iron: '2%'
},
{
name: 'Honeycomb',
calories: 408,
fat: 3.2,
carbs: 87,
protein: 6.5,
iron: '45%'
},
{
name: 'Donut',
calories: 452,
fat: 25.0,
carbs: 51,
protein: 4.9,
iron: '22%'
},
{
name: 'KitKat',
calories: 518,
fat: 26.0,
carbs: 65,
protein: 7,
iron: '6%'
}
],
headers: [
{
text: 'Dessert (100g serving)',
align: 'center',
sortable: false,
value: 'name'
},
{text: 'Calories', align: 'center', value: 'calories'},
{text: 'Fat (g)', align: 'center', value: 'fat'},
{text: 'Carbs (g)', align: 'center', value: 'carbs'},
{text: 'Protein (g)', align: 'center', value: 'protein'},
{text: 'Actions', align: 'left', value: 'name', sortable: false}
],
}
}
computed: {
table_data() {
let self = this;
let filtered_data = this.desserts.filter(function (item) {
if (self.searchField && self.search != '') {
console.log(item[self.searchField.toLowerCase()])
console.log(self.search)
return item[self.searchField.toLowerCase()] == self.search;
}
else {
return item
}
});
return filtered_data;
}
},