提交工程，小程序源码已完成，单片机待完成

wex_small/miniprogram_npm/@vant/weapp/uploader/index.wxs

@@ -0,0 +1,17 @@
+/* eslint-disable */
+var style = require('../wxs/style.wxs');
+var addUnit = require('../wxs/add-unit.wxs');
+
+function sizeStyle(data) {
+  return "Array" === data.previewSize.constructor ? style({
+    width: addUnit(data.previewSize[0]),
+    height: addUnit(data.previewSize[1]),
+  }) : style({
+    width: addUnit(data.previewSize),
+    height: addUnit(data.previewSize),
+  });
+}
+
+module.exports = {
+  sizeStyle: sizeStyle,
+};