扫一扫页面

app/src/main/ets/pages/Index.ets

@@ -3,6 +3,7 @@ import { SettingView } from './setting/SettingView'
 import { RouterBuilder } from '../router/RouterBuilder'
 import { BJCASDK } from '@szyx/sdk_ywx/Index'
 import { SignHome } from './sign/SignHome'
+import { ScanHome } from './sign/ScanHome'
 
 @Entry
 @Component
@@ -41,7 +42,7 @@ struct Index {
         .tabBar(this.tabBuilder('签名', 1, $r('app.media.icon_sign_selected'), $r('app.media.icon_sign_normal')))
 
         TabContent() {
-          Text('1.0.1版本上线').fontSize(30)
+          ScanHome()
         }
         .tabBar(this.tabBuilder('二维码', 2, $r('app.media.icon_code_selected'), $r('app.media.icon_code_normal')))
 

app/src/main/ets/pages/sign/ScanHome.ets

@@ -0,0 +1,50 @@
+import promptAction from '@ohos.promptAction';
+import { scanBarcode, scanCore } from '@kit.ScanKit';
+import { BusinessError } from '@kit.BasicServicesKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
+
+@Component
+@Preview
+export struct ScanHome {
+  private oldTime = 0
+
+  build() {
+    NavDestination() {
+      Column() {
+        Button('扫一扫', { stateEffect: true, type: ButtonType.Normal, buttonStyle: ButtonStyleMode.NORMAL })
+          .width('40%')
+          .fontColor('#333333')
+          .height(40)
+          .onClick(() => {
+            // 定义扫码参数options
+            let options: scanBarcode.ScanOptions =
+              { scanTypes: [scanCore.ScanType.ALL], enableMultiMode: true, enableAlbum: true };
+            scanBarcode.startScanForResult(getContext(this), options).then((result: scanBarcode.ScanResult) => {
+              hilog.info(0x0001, '[Scan Sample]',
+                `Succeeded in getting ScanResult by promise with options, result is ${JSON.stringify(result)}`);
+            }).catch((error: BusinessError) => {
+              hilog.error(0x0001, '[Scan Sample]',
+                `Failed to get ScanResult by promise with options. Code: ${error.code}, message: ${error.message}`);
+            })
+          })
+      }
+      .width('100%')
+      .height("100%")
+      .padding(20)
+      .backgroundColor("#ffffff")
+    }.padding({ left: 15, right: 15 }).hideTitleBar(true)
+    .onBackPressed(() => {
+      const currentTime = new Date().getTime()
+
+      if (currentTime - this.oldTime > 1500) {
+        promptAction.showToast({
+          message: '双击退出',
+          duration: 2000
+        });
+        this.oldTime = currentTime
+        return false
+      }
+      return true
+    })
+  }
+}