feat(pda): connect online picking workflow

2026-08-11 11:31:05 +08:00
parent fc1944fb7e
commit be776c8efa
16 changed files with 440 additions and 82 deletions
@@ -0,0 +1,46 @@
+let online = true
+let listening = false
+const listeners = new Set()
+
+function notify() {
+	for (const listener of listeners) listener(online)
+}
+
+function ensureListening() {
+	if (listening || typeof uni === 'undefined') return
+	listening = true
+	if (typeof uni.onNetworkStatusChange === 'function') {
+		uni.onNetworkStatusChange((result) => {
+			online = Boolean(result.isConnected)
+			notify()
+		})
+	}
+	if (typeof uni.getNetworkType === 'function') {
+		uni.getNetworkType({
+			success: (result) => {
+				online = result.networkType !== 'none'
+				notify()
+			}
+		})
+	}
+}
+
+export function isOnline() {
+	ensureListening()
+	return online
+}
+
+export function requireOnline(message = '当前网络不可用，请联网后刷新重试') {
+	if (!isOnline()) {
+		const error = new Error(message)
+		error.network = true
+		throw error
+	}
+}
+
+export function watchNetwork(listener) {
+	ensureListening()
+	listeners.add(listener)
+	listener(online)
+	return () => listeners.delete(listener)
+}