funjia-server-template/routers/upload.mjs

import cuid from "cuid";
// import getDb, {
//     getResourceDb
// } from "../dbServer.mjs";
import {getDb,getResourceDb} from "funjia-server/lib/funjia-server.mjs";
import _ from "lodash";
import multer from '@koa/multer';

//配置    
var storage = multer.diskStorage({
    //文件保存路径
    destination: function (req, file, cb) {
        cb(null, 'static') //注意路径必须存最后面在不用加斜杠
    },
    //修改文件名称
    filename: function (req, file, cb) {
        var fileFormat = (file.originalname).split(".");
        const filename = cuid() + "." + fileFormat[fileFormat.length - 1];
        req.filename = filename;
        cb(null, filename);
    }
})

//加载配置
var upload = multer({
    storage: storage
})

// const upload = multer({ dest: 'static/' })

const getUpload = (router) => {
    router.post('/api/leaseRecords/list', async (ctx) => {
        // 设置头类型, 如果不设置，会直接下载该页面
        ctx.type = 'application/json';
        const db = await getDb();
        const body = ctx.request.body;
        const data = db.data.leaseRecords.filter((item) => {
            let isMatch = true;
            for (let field in body) {
                if (["page", "pageSize"].includes(field)) {
                    continue;
                }

                if (typeof (item[field]) == "string") {
                    isMatch = item[field].indexOf(body[field]) > -1;
                } else if (typeof (item[field]) == "number") {
                    isMatch = item[field] == body[field];
                }
                if (!isMatch)
                    break;
            }
            return isMatch;
        });

        const {
            page,
            pageSize
        } = body;
        let batchData = data;
        if (page && pageSize) {
            batchData = data.slice((page - 1) * pageSize, page * pageSize);
        }

        ctx.body = {
            code: 0,
            data: batchData.sort((a, b) => {
                return a.sort - b.sort;
            }) || [],
            total: data.length
        };
    });

    router.get('/api/img', async (ctx) => {
        // 设置头类型, 如果不设置，会直接下载该页面
        ctx.type = 'application/json';
        const db = await getDb();
        const data = db.data.leaseRecords;
        const query = ctx.request.query;
        console.log("参数：", query, ctx.request.body, ctx.query);
        let detail = {};
        if (query.id && data) {
            detail = data.find((item) => {
                return item.id == query.id;
            });
        }

        ctx.body = {
            code: 0,
            data: detail || {}
        };
    });

    /**
     * 添加图片记录
     * @param {*} path 
     */
    const addImg = async (filename, path) => {
        const data = {};
        try {
            const db = await getResourceDb();

            // You can also use this syntax if you prefer
            if (!db.data.img)
                db.data.img = [];

            const {
                img
            } = db.data;

            data.id = cuid();
            data.filename = filename;
            data.path = path;
            data.createTime = new Date();
            img.push(data)
            // Write db.data content to db.json
            await db.write()
        } catch (error) {
            console.log(error);
            return null;
        }
        return data.id;

    }

    // 添加单个文件上传的路由
    router.post(
        '/api/upload/img',
        upload.single('file'),
        async (ctx) => {
            const {
                filename,
                path
            } = ctx.file;
            const res = await addImg(filename, path);

            ctx.body = {
                code: res ? 0 : 1,
                data: {
                    id: res,
                    url: path
                }
            }
        }
    );

    // 添加单个文件上传的路由
    router.post(
        '/api/upload/file',
        upload.single('file'),
        async (ctx) => {
            const {
                filename,
                path
            } = ctx.file;
            // const res = await addImg(filename, path);

            ctx.body = {
                code: 0,
                data: {                    
                    url: "/resource/static/"+filename
                }
            }
        }
    );
}

export default getUpload;