From 0972d19bc0f1093a9724539d4625e65dd17fd595 Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Mon, 11 May 2020 16:10:53 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=A7=A3=E5=86=B3=20iOS=20=E6=A8=AA?=
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---
 src/platforms/h5/service/api/device/get-system-info.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/platforms/h5/service/api/device/get-system-info.js b/src/platforms/h5/service/api/device/get-system-info.js
index e6db93fd5..d4a66c340 100644
--- a/src/platforms/h5/service/api/device/get-system-info.js
+++ b/src/platforms/h5/service/api/device/get-system-info.js
@@ -16,8 +16,10 @@ const isIOS = /iphone|ipad|ipod/i.test(ua)
 export function getSystemInfoSync () {
   var screen = window.screen
   var pixelRatio = window.devicePixelRatio
-  var screenWidth = screen.width
-  var screenHeight = screen.height
+  // 横屏时 iOS 获取的屏幕宽高颠倒，进行纠正
+  var landscape = Math.abs(window.orientation) === 90
+  var screenWidth = Math[landscape ? 'max' : 'min'](screen.width, screen.height)
+  var screenHeight = Math[landscape ? 'min' : 'max'](screen.height, screen.width)
   var windowWidth = Math.min(window.innerWidth, document.documentElement.clientWidth, screenWidth)
   var windowHeight = window.innerHeight
   var language = navigator.language
-- 
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