Vue实现生成本地Json文件功能方式

</template>
 
<div id="home-div">
	<button @click="download">下载</button>
</div>
 
</template>
 
<script src="https://cdn.bootcdn.net/ajax/libs/FileSaver.js/2.0.5/FileSaver.js"></script>
<script>
	export default {
		name: "Mapview",
 
		data() {
			retrun {
				positionList: [123, 123]
			}
 
		},
		methods: {
			download() {
				var content = JSON.stringify({
					jiedao: this.positionList,
				})
 
				var blob = new Blob([content], {
					type: "text/plain;charset=utf-8"
				});
				console.log(blob)
				saveAs(blob, "jiedao_8hou.json");
			},
		}
	}
</script>

npm install file-saver --save

import FileSaver from 'file-saver'
// js中的方法，将获取的数据导出为JSON格式
downDeviceProfiles() {
    getData(`/deviceProfile/${this.profilesId}`, {},
         (response) => {
            const blob = new Blob([JSON.stringify(response, null, 2)], {
            type: 'application/json'
        })
        FileSaver.saveAs(blob, this.comTitle)
    })
},