更新

app/controller/files.js

@@ -0,0 +1,49 @@
+'use strict';
+
+const Controller = require('egg').Controller;
+const fs = require('fs');
+const { COPYFILE_EXCL } = fs.constants;
+const respFormat = require('../util/respFormat');
+const { randomString, getSuffix, getFilePath } = require('../util/tool');
+
+class FilesController extends Controller {
+  async upload() {
+    const { ctx } = this;
+    console.log(ctx.request.body);
+    console.log('got %d files', ctx.request.files.length);
+
+    try {
+
+      const filesResult = [];
+      const rootPath = this.config.uploadBasePath;
+      // 遍历处理多个文件
+      for (const file of ctx.request.files) {
+        console.log('field: ' + file.fieldname);
+        console.log('filename: ' + file.filename);
+        console.log('encoding: ' + file.encoding);
+        console.log('mime: ' + file.mime);
+        console.log('tmp filepath: ' + file.filepath);
+        const type = ctx.request.body.type;
+        const suff = getSuffix(file.filename);
+        const newFileName = randomString(16) + suff;
+        const filePath = rootPath + getFilePath(type);
+        if (!fs.existsSync()) fs.mkdirSync(filePath);
+        const targetPath = filePath + newFileName;
+        await fs.copyFileSync(file.filepath, targetPath, COPYFILE_EXCL);
+        const item = {
+          filename: file.filename,
+          url: `https://image.dengtongyu.com${targetPath}`,
+        };
+        filesResult.push(item);
+      }
+
+      ctx.body = respFormat({ data: filesResult });
+      await ctx.cleanupRequestFiles();
+    } finally {
+      // 需要删除临时文件
+      await ctx.cleanupRequestFiles();
+    }
+  }
+}
+
+module.exports = FilesController;

app/router.js

@@ -9,4 +9,5 @@ module.exports = app => {
 
   require('./router/music')(app);
   require('./router/nsfw')(app);
+  require('./router/files')(app);
 };

app/router/files.js

@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = app => {
+  const { router, controller } = app;
+
+  router.post('/files/upload', controller.files.upload);
+};

app/util/tool.js

@@ -0,0 +1,46 @@
+'use strict';
+
+// 随机长度字符串
+const randomString = len => {
+  len = len || 10;
+  const chars = 'abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+  const maxPos = chars.length;
+  let str = '';
+  for (let i = 0; i < len; i++) {
+    str += chars.charAt(Math.floor(Math.random() * maxPos));
+  }
+  return str;
+};
+
+const getSuffix = fileName => {
+  const arr = fileName.split('.');
+  let suffix = '';
+  if (arr.length >= 2) {
+    suffix = arr[arr.length - 1];
+  }
+  if (suffix) suffix = `.${suffix}`;
+  return suffix;
+};
+
+const getFilePath = type => {
+  const now = new Date();
+  const fullYears = now.getFullYear();
+  const Month = now.getMonth();
+  let typeStr = '';
+  switch (type) {
+    case 'blog':
+      typeStr = 'blog';
+      break;
+    default:
+      typeStr = 'media';
+      break;
+  }
+  const path = `${typeStr}/${fullYears}/${Month}/`;
+  return path;
+};
+
+module.exports = {
+  randomString,
+  getSuffix,
+  getFilePath,
+};