project init

untils/Loading.js

@@ -0,0 +1,32 @@
+import { Subject } from "../lib/Rx";
+
+const sub = new Subject();
+
+let loading_count = 0;
+
+export function OpenLoading() {
+  if (loading_count === 0)
+    wx.showLoading({
+      title: "正在加载...",
+      mask: true
+    });
+  loading_count++;
+
+  sub.next(loading_count);
+}
+
+export function CloseLoading() {
+  if (loading_count > 0) {
+    loading_count--;
+  }
+
+  // if (loading_count <= 0) wx.hideLoading();
+
+  sub.next(loading_count);
+}
+
+sub.debounceTime(500).subscribe(t => {
+  if (t === 0) {
+    wx.hideLoading();
+  }
+});