display

 <v-layout v-for="(_image, index) in images">
                            <v-flex xs6 >
                                <img :src="_image.imageUrl" height="250" width="230" v-if="_image.imageUrl" class="grey darken-3 pa-2" />
                                <v-text-field label="Select Image" @click='pickMultipleFile(index)' v-model='_image.imageName' prepend-icon='attach_file'></v-text-field>
                                <input
                                        type="file"
                                        style="display: none"
                                        ref="images"
                                        accept="image/*"
                                        @change="onFilePicked"
                                >
                                <v-icon v-if="_image.imageUrl" @click="">add</v-icon>
                            </v-flex>
                        </v-layout>
 data:() => ({
        imageName: '',
        imageUrl: '',
        imageFile: '',
        images:[
            {
                imageName: '',
                imageUrl: '',
                imageFile: '',
            }
        ]
    }),
    methods:{
        pickFile () {
            this.$refs.image.click ()
        },
        onFilePicked (e) {
            const files = e.target.files;
            if(files[0] !== undefined) {
                this.imageName = files[0].name;
                if(this.imageName.lastIndexOf('.') <= 0) {
                    return
                }
                const fr = new FileReader();
                fr.readAsDataURL(files[0]);
                fr.addEventListener('load', () => {
                    this.imageUrl = fr.result;
                    this.imageFile = files[0]; // this is an image file that can be sent to server...
                })
            } else {
                this.imageName = '';
                this.imageFile = '';
                this.imageUrl = '';
            }
        },

        //upload multiple image
        pickMultipleFile(index){
            this.$refs.images[index].click();
        },

        onMultipleFilePicked(e){

        }

    },