project-neic/src/assets/script/BackgroundData.js

import axios from 'axios';

export default class BackgroundData {
    TopPoint = [
        {
            pointName: "TotalPower",// 实时总功率
            pointTag: "JSFW.NX_GD_XXX_XX_XX_XXX_XXX_CI0135",
            value: 0
        }, {
            pointName: "DailyPowerGeneration",// 日发电量
            pointTag: "JSFW.NX_GD_XXX_XX_XX_XXX_XXX_CI0088",
            value: 0
        }, {
            pointName: "GridPower",// 上网电量
            pointTag: "JSFW.NX_GD_XXX_XX_XX_XXX_XXX_CI0136",
            value: 0
        }, {
            pointName: "MonthlyPowerGeneration",// 月发电量
            pointTag: "JSFW.NX_GD_XXX_XX_XX_XXX_XXX_CI0146",
            value: 0
        }, {
            pointName: "AnnualPowerGeneration",// 年发电量
            pointTag: "JSFW.NX_GD_XXX_XX_XX_XXX_XXX_CI0037",
            value: 0
        },
    ];
    constructor() {
        this.refreshData = this.refreshData.bind(this);
        this.onTPMessage = this.onTPMessage.bind(this);

        this.refreshTimer = setInterval(this.refreshData, 3000);
    }

    /* 数据刷新 */
    refreshData() {
        // http://192.168.10.18:8011/ts
        var val = '';
        for (var v in this.TopPoint) {
            val += this.TopPoint[v].pointTag + ',';
        }
        axios.get("http://192.168.10.18:8011/ts/latest" + "?keys=" + val)
            .then(this.onTPMessage)
            .catch(err =>
                console.log(err)
            );
    }

    onTPMessage(msg) {
        if (!msg.data) return;
        for (var v in this.TopPoint) {
            var val = this.TopPoint[v];
            val.value = msg.data[val.pointTag].doubleValue;
        }
    }

    /* 单例 */
    static getInstance() {
        if (!BackgroundData.instance) {
            BackgroundData.instance = new BackgroundData();
        }
        return BackgroundData.instance;
    }
}