Merge branch 'v3' of https://github.com/dcloudio/uni-app into v3

src/core/helpers/api.js

@@ -248,10 +248,18 @@ export function wrapperUnimplemented (name) {
   }
 }
 
-export function wrapper (name, invokeMethod, extras) {
+function wrapperExtras (name, extras) {
+  const protocolOptions = protocol[name]
+  if (protocolOptions) {
+    isFn(protocolOptions.beforeSuccess) && (extras.beforeSuccess = protocolOptions.beforeSuccess)
+  }
+}
+
+export function wrapper (name, invokeMethod, extras = {}) {
   if (!isFn(invokeMethod)) {
     return invokeMethod
   }
+  wrapperExtras(name, extras)
   return function (...args) {
     if (isSyncApi(name)) {
       if (validateParams(name, args, -1)) {

src/core/helpers/protocol/device/get-clipboard-data.js

+export const getClipboardData = {
+  beforeSuccess () {
+    uni.showToast({
+      title: '内容已复制',
+      icon: 'success',
+      mask: false
+    })
+  }
+}