完成简易版的充值和充值记录查询页面，简单的我的页面

utils/index.js

@@ -58,4 +58,71 @@ export function getConfigByEnv() {
 export function getGlobalData() {
   const app = getApp();
   return app.globalData;
-}
+}
+/**
+ * 节流
+ * @param fn 需要节流的函数
+ * @param interval 时间
+ */
+
+export function throttle(fn, interval = 500) {
+  let flag = false;
+  return function() {
+    if(!flag) {
+      flag = true
+      fn.apply(this, arguments);
+      setTimeout(() =>  {
+          flag = false
+      }, interval)
+    }
+  }
+}
+
+/** 将微信弹框确认异步变成同步 */
+export function showModal({
+  title, content
+}) {
+  return new Promise((resolve) => {
+    wx.showModal({
+      title,
+      content,
+      complete: (res) => {
+        if (res.cancel) {
+          resolve(false)
+        }
+    
+        if (res.confirm) {
+          resolve(true)
+        }
+      }
+    })
+  })
+}
+
+/** 获取可选年份 */
+export function getYears() {
+  const years = [];
+  const currentYear = new Date().getFullYear();
+  const minYear = 2023;
+  for(let i = currentYear; i >= minYear; i--) {
+    years.push(i);
+  }
+  return years;
+}
+
+/**
+ * 防抖
+ * @param fn 需要防抖的函数
+ * @param interval 时间
+ */
+function debounce(fn, interval) {
+  var timer;
+  var gapTime = interval || 500
+  return function() { 
+    clearTimeout(timer)
+    var that = this;
+    timer = setTimeout(function (){
+      fn.call(that);
+    }, gapTime);
+  }
+}