129 lines
4.1 KiB
JavaScript
129 lines
4.1 KiB
JavaScript
|
|
const multer = require("multer");
|
|||
|
|
const path = require("path");
|
|||
|
|
const express = require("express");
|
|||
|
|
const fs = require("fs");
|
|||
|
|
const api = require("./api");
|
|||
|
|
const { safeSend, sendError } = require("./utils/response");
|
|||
|
|
|
|||
|
|
// 设置存储配置
|
|||
|
|
const storage = multer.diskStorage({
|
|||
|
|
destination: function (req, file, cb) {
|
|||
|
|
// 获取当前日期,格式为 年/月/日
|
|||
|
|
const now = new Date();
|
|||
|
|
const year = now.getFullYear();
|
|||
|
|
const month = String(now.getMonth() + 1).padStart(2, '0');
|
|||
|
|
const day = String(now.getDate()).padStart(2, '0');
|
|||
|
|
|
|||
|
|
// 构建文件夹路径:upload-imgs/年/月/日
|
|||
|
|
const uploadDir = path.join(__dirname, "../upload-files", year.toString(), month, day);
|
|||
|
|
|
|||
|
|
// 确保目标目录存在(如果不存在则创建)
|
|||
|
|
if (!fs.existsSync(uploadDir)) {
|
|||
|
|
fs.mkdirSync(uploadDir, { recursive: true });
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
cb(null, uploadDir);
|
|||
|
|
},
|
|||
|
|
filename: function (req, file, cb) {
|
|||
|
|
// 获取文件扩展名
|
|||
|
|
const ext = path.extname(file.originalname).toLowerCase();
|
|||
|
|
|
|||
|
|
// 获取当前时间
|
|||
|
|
const now = new Date();
|
|||
|
|
const hours = String(now.getHours()).padStart(2, '0');
|
|||
|
|
const minutes = String(now.getMinutes()).padStart(2, '0');
|
|||
|
|
const seconds = String(now.getSeconds()).padStart(2, '0');
|
|||
|
|
const milliseconds = String(now.getMilliseconds()).padStart(3, '0');
|
|||
|
|
|
|||
|
|
// 生成随机数
|
|||
|
|
const randomNum = Math.floor(Math.random() * 10000);
|
|||
|
|
|
|||
|
|
// 生成文件名:mmssSSS+随机数.原文件后缀
|
|||
|
|
const fileName = `${hours}-${minutes}-${seconds}-${milliseconds}-${randomNum}${ext}`;
|
|||
|
|
|
|||
|
|
cb(null, fileName);
|
|||
|
|
},
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// 文件类型过滤(可选)
|
|||
|
|
const fileFilter = (req, file, cb) => {
|
|||
|
|
// 允许的文件类型
|
|||
|
|
const allowedTypes = /jpeg|jpg|png|gif|mp4|avi|mov|pdf/;
|
|||
|
|
// 检查文件扩展名是否匹配
|
|||
|
|
const extname = allowedTypes.test(
|
|||
|
|
path.extname(file.originalname).toLowerCase()
|
|||
|
|
);
|
|||
|
|
|
|||
|
|
if (extname) {
|
|||
|
|
return cb(null, true);
|
|||
|
|
} else {
|
|||
|
|
// 如果文件类型不符合要求,返回错误
|
|||
|
|
cb(new Error("只允许上传图片和视频文件"));
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// 创建multer实例,并应用存储配置和文件过滤
|
|||
|
|
const upload = multer({
|
|||
|
|
storage: storage,
|
|||
|
|
fileFilter: fileFilter,
|
|||
|
|
limits: {
|
|||
|
|
fileSize: 10 * 1024 * 1024, // 10MB 文件大小限制
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
exports.uploadFile = (app) => {
|
|||
|
|
// 设置静态文件目录
|
|||
|
|
app.use("/upload-files", express.static(path.join(__dirname, "../upload-files")));
|
|||
|
|
|
|||
|
|
// 创建上传路由
|
|||
|
|
app.post("/upload", (req, res) => {
|
|||
|
|
// 使用 multer 中间件处理文件上传
|
|||
|
|
upload.single("file")(req, res, async (err) => {
|
|||
|
|
// 检查是否已经发送响应
|
|||
|
|
if (res.headersSent) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (err) {
|
|||
|
|
console.error("文件上传错误:", err);
|
|||
|
|
if (err instanceof multer.MulterError) {
|
|||
|
|
if (err.code === 'LIMIT_FILE_SIZE') {
|
|||
|
|
return sendError(res, "文件大小超过限制(最大10MB)", err.message, 400);
|
|||
|
|
}
|
|||
|
|
return sendError(res, "文件上传错误", err.message, 400);
|
|||
|
|
}
|
|||
|
|
return sendError(res, "文件上传失败", err.message, 500);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
try {
|
|||
|
|
const { file } = req;
|
|||
|
|
if (!file) {
|
|||
|
|
return sendError(res, "没有文件被上传", null, 400);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 获取当前日期,格式为 年/月/日
|
|||
|
|
const now = new Date();
|
|||
|
|
const year = now.getFullYear();
|
|||
|
|
const month = String(now.getMonth() + 1).padStart(2, '0');
|
|||
|
|
const day = String(now.getDate()).padStart(2, '0');
|
|||
|
|
|
|||
|
|
// 文件存储路径:/upload-imgs/年/月/日/文件名
|
|||
|
|
const filePath = path.join("/upload-files", year.toString(), month, day, file.filename);
|
|||
|
|
const normalizedPath = filePath.replace(/\\/g, "/");
|
|||
|
|
|
|||
|
|
// 返回文件路径和成功消息
|
|||
|
|
return safeSend(res, {
|
|||
|
|
message: "文件上传成功",
|
|||
|
|
filePath: normalizedPath,
|
|||
|
|
success: true,
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
} catch (error) {
|
|||
|
|
console.error("处理上传文件时出错:", error);
|
|||
|
|
return sendError(res, "文件上传失败", error.message, 500);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|