封装请求的方法，完成简易的问题解答页面

utils/index.js

@@ -126,3 +126,42 @@ function debounce(fn, interval) {
     }, gapTime);
   }
 }
+export const showLoading = async (options = {}) => {
+  const { title } = options;
+  return new Promise((resolve, reject) => {
+    wx.showLoading({
+      title: title || '加载中',
+      success: () => {
+        resolve()
+      }
+    })
+  })
+}
+export const hideLoading = async () => {
+  return new Promise((resolve, reject) => {
+    wx.hideLoading({
+      success: () => {
+        resolve()
+      }
+    })
+  })
+}
+
+export const alertInfo = (message) => {
+  return wx.showToast({
+    title: message,
+    icon: 'none',
+  })
+}
+export const alertSuccess = (message) => {
+  return wx.showToast({
+    title: message,
+    icon: 'success'
+  })
+}
+export const alertError = (message) => {
+  return wx.showToast({
+    title: message,
+    icon: 'error'
+  })
+}