完成简易版的充值和充值记录查询页面，简单的我的页面

miniprogram_npm/@vant/weapp/cascader/index.wxs

@@ -1,24 +0,0 @@
-var utils = require('../wxs/utils.wxs');
-var style = require('../wxs/style.wxs');
-
-function isSelected(tab, valueKey, option) {
-  return tab.selected && tab.selected[valueKey] === option[valueKey]
-}
-
-function optionClass(tab, valueKey, option) {
-  return utils.bem('cascader__option', { selected: isSelected(tab, valueKey, option), disabled: option.disabled })
-}
-
-function optionStyle(data) {
-  var color = data.option.color || (isSelected(data.tab, data.valueKey, data.option) ? data.activeColor : undefined);
-  return style({
-    color
-  });
-}
-
-
-module.exports = {
-  isSelected: isSelected,
-  optionClass: optionClass,
-  optionStyle: optionStyle,
-};