add: set windows style apis

lib/apis.js

@@ -171,7 +171,10 @@ const ui = [
   'showRightWindow',
   'hideTopWindow',
   'hideLeftWindow',
-  'hideRightWindow'
+  'hideRightWindow',
+  'setTopWindowStyle',
+  'setLeftWindowStyle',
+  'setRightWindowStyle'
 ]
 
 const event = [

src/platforms/h5/components/app/layout.vue

@@ -274,6 +274,15 @@ export default {
         }
       }
     },
+    setWindowStyle (type, style) {
+      if (!this[type + 'Window']) {
+        return type + 'Window not found'
+      }
+      if (style) {
+        this[type + 'WindowStyle'] = style
+        this.$nextTick(this['on' + capitalize(type) + 'WindowInit'])
+      }
+    },
     initMaxWidth () {
       window.addEventListener('resize', () => {
         this.checkMaxWidth()

src/platforms/h5/service/api/ui/windows.js

@@ -41,3 +41,30 @@ export function showRightWindow () {
 export function hideRightWindow () {
   return showWindow('right', false)
 }
+
+function setWindowStyle (type, style) {
+  const api = 'set' + capitalize(type) + 'WindowStyle'
+  const app = getApp()
+  if (!app) {
+    return {
+      errMsg: `${api}:fail app not ready`
+    }
+  }
+  const msg = app.$children[0].$refs.layout.setWindowStyle(type, style)
+  if (msg) {
+    return {
+      errMsg: `${api}:fail ${msg}`
+    }
+  }
+  return {}
+}
+
+export function setTopWindowStyle (style) {
+  return setWindowStyle('top', style)
+}
+export function setLeftWindowStyle (style) {
+  return setWindowStyle('left', style)
+}
+export function setRightWindowStyle (style) {
+  return setWindowStyle('right', style)
+}