fix(h5): getSystemInfo(system platform)

packages/uni-h5/src/service/api/base/getBaseSystemInfo.ts

@@ -4,6 +4,12 @@ export const isAndroid = /android/i.test(ua)
 
 export const isIOS = /iphone|ipad|ipod/i.test(ua)
 
+export const isWindows = ua.match(/Windows NT ([\d|\d.\d]*)/i)
+
+export const isMac = /Macintosh|Mac/i.test(ua)
+
+export const isLinux = /Linux|X11/i.test(ua)
+
 export function getScreenFix() {
   return (
     /^Apple/.test(navigator.vendor) && typeof window.orientation === 'number'

packages/uni-h5/src/service/api/device/getSystemInfoSync.ts

@@ -8,6 +8,9 @@ import {
   ua,
   isIOS,
   isAndroid,
+  isWindows,
+  isMac,
+  isLinux,
   isLandscape,
   getScreenFix,
   getScreenWidth,
@@ -85,6 +88,65 @@ export const getSystemInfoSync = defineSyncApi<typeof uni.getSystemInfoSync>(
           break
         }
       }
+    } else if (isWindows || isMac || isLinux) {
+      model = 'PC'
+      osname = 'PC'
+      osversion = '0'
+
+      let osversionFind = ua.match(/\((.+?)\)/)![1]
+
+      if (isWindows) {
+        osname = 'Windows'
+        switch (isWindows[1]) {
+          case '5.1':
+            osversion = 'XP'
+            break
+          case '6.0':
+            osversion = 'Vista'
+            break
+          case '6.1':
+            osversion = '7'
+            break
+          case '6.2':
+            osversion = '8'
+            break
+          case '6.3':
+            osversion = '8.1'
+            break
+          case '10.0':
+            osversion = '10'
+            break
+        }
+
+        const framework =
+          osversionFind && osversionFind.match(/[Win|WOW]([\d]+)/)
+        if (framework) {
+          osversion += ` x${framework[1]}`
+        }
+      } else if (isMac) {
+        osname = 'Mac'
+        osversion =
+          (osversionFind && osversionFind.match(/Mac OS X (.+)/)) || ''
+
+        if (osversion) {
+          osversion = osversion[1].replace(/_/g, '.')
+          // '10_15_7' or '10.16; rv:86.0'
+          if (osversion.indexOf(';') !== -1) {
+            osversion = osversion.split(';')[0]
+          }
+        }
+      } else if (isLinux) {
+        osname = 'Linux'
+        osversion = (osversionFind && osversionFind.match(/Linux (.*)/)) || ''
+
+        if (osversion) {
+          osversion = osversion[1]
+          // 'x86_64' or 'x86_64; rv:79.0'
+          if (osversion.indexOf(';') !== -1) {
+            osversion = osversion.split(';')[0]
+          }
+        }
+      }
     } else {
       osname = 'Other'
       osversion = '0'