admin-govern/src/api/cs-harmonic-boot/datatrend.ts

import createAxios from '@/utils/request'
import { genFileId, ElMessage, ElNotification } from 'element-plus'
// 查询设备数据趋势
export function getDeviceDataTrend(data: any) {
    return createAxios({
        url: '/cs-harmonic-boot/datatrend/querydatatrend',
        method: 'POST',
        data
    })
}

// 波形下载
export function getFileZip(params: any) {
    return createAxios({
        url: '/cs-harmonic-boot/event/getFileZip',
        method: 'get',
        params,
        responseType: 'blob'
    })
}

export function exportModel(data: any) {
    return createAxios({
        url: '/cs-harmonic-boot/exportmodel/exportModel',
        method: 'post',
        data: data,
        responseType: 'blob'
    }).then(async res => {
        let load: any = await readJsonBlob(res)
        if (load.code) {
            if (load.data.code == 'A0011') {
                ElMessage.warning('下载失败!')
            } else {
                ElMessage.warning(load.data.message)
            }
        } else {
            return res
        }
    })
}
async function readJsonBlob(blob) {
    try {
        // 1. Blob.text() 读取二进制 → 直接转为 字符串（自动处理编码）
        const jsonStr = await blob.text()
        // 2. JSON.parse 解析字符串 → 得到可用的 JS 对象/数组
        const jsonData = JSON.parse(jsonStr)
        // 3. 拿到数据，后续随便用
        return {
            code: true,
            data: jsonData
        }
    } catch (err) {
        return {
            code: false,
            data: {}
        }
        // console.error('解析Blob的JSON数据失败：', err)
    }
}