纸板小程序：订单/送货单：列表与详情功能

node_modules/tdesign-miniprogram/miniprogram_dist/indexes/indexes.wxs

@@ -0,0 +1,11 @@
+function getFirstCharacter(str, showFullIndex) {
+  var res = str.toString();
+  if (showFullIndex) {
+    return res;
+  }
+  return res.substring(0, 1);
+}
+
+module.exports = {
+  getFirstCharacter: getFirstCharacter,
+};