refactor(app): 优化登录页面和对话框逻辑

- 修改登录页面布局，增加 SafeView 组件
- 优化用户不存在时的提示对话框
- 调整未签名批次视图的加载逻辑
- 重构 ToolsHelper 中的对话框显示逻辑
- 修改 API 配置的 showLog属性

src/main/ets/ContextConfig.ets

@@ -28,7 +28,10 @@ export class GlobalContext {
   static popUIContext(): void {
     globalThis._uiUIContext.splice(globalThis._uiUIContext.length-1,1)
   }
-  static getUiContext(): UIContext {
+  static getUiContext(): UIContext|undefined {
+    if (globalThis._uiUIContext === undefined) {
+      return undefined;
+    }
     return globalThis._uiUIContext[globalThis._uiUIContext.length-1];
   }
 }

src/main/ets/utils/ToolsHelper.ets

@@ -295,7 +295,7 @@ export class ToolsHelper {
   static closeAlertDialog(dialogTag: string) {
     if (ToolsHelper.mapAlertDialog.get(dialogTag)) {
       try {
-        GlobalContext.getUiContext().getPromptAction().closeCustomDialog(ToolsHelper.mapAlertDialog.get(dialogTag))
+        GlobalContext.getUiContext()?.getPromptAction().closeCustomDialog(ToolsHelper.mapAlertDialog.get(dialogTag))
       } catch (err) {
       }
       ToolsHelper.mapAlertDialog.remove(dialogTag)
@@ -309,6 +309,7 @@ export class ToolsHelper {
   static showAlertDialog(options: AlertOptions) {
     const dialogTag = ToolsHelper.getUuid()
     const ui = GlobalContext.getUiContext()
+    if (ui) {
       const c = new ComponentContent(ui, wrapBuilder(alertDialogBuilder),
         new AlertBean({ title: options.title, msg: options.msg, confirm: options.action }, dialogTag))
       ui.getPromptAction().openCustomDialog(c, {
@@ -316,6 +317,14 @@ export class ToolsHelper {
       }).then(() => {
         ToolsHelper.mapAlertDialog.set(dialogTag, c)
       }).catch(() => {
+        ToolsHelper.showCommonAlert(options)
+      })
+    } else {
+      ToolsHelper.showCommonAlert(options)
+    }
+  }
+
+  private static showCommonAlert(options: AlertOptions) {
     try {
       promptAction.showDialog({
         alignment: DialogAlignment.Center,
@@ -330,13 +339,15 @@ export class ToolsHelper {
           options.action?.onClick && options.action?.onClick()
         })
         .catch((err: Error) => {
+          if (err.message === 'cancel') {
+          } else {
             ToolsHelper.showMessage(err.message)
+          }
         })
     } catch (error) {
       let message = (error as BusinessError).message
       ToolsHelper.showMessage(message)
     }
-    })
   }
 
   /**
@@ -347,6 +358,7 @@ export class ToolsHelper {
 
     const dialogTag = ToolsHelper.getUuid()
     const ui = GlobalContext.getUiContext()
+    if (ui) {
       const c = new ComponentContent(ui, wrapBuilder(alertDialogBuilder),
         new AlertBean({
           title: options.title,
@@ -359,6 +371,15 @@ export class ToolsHelper {
       }).then(() => {
         ToolsHelper.mapAlertDialog.set(dialogTag, c)
       }).catch(() => {
+        ToolsHelper.showCommonConfirm(options)
+      })
+    } else {
+      ToolsHelper.showCommonConfirm(options)
+    }
+
+  }
+
+  static showCommonConfirm(options: ConfirmOptions) {
     try {
       promptAction.showDialog({
         alignment: 1,
@@ -380,14 +401,16 @@ export class ToolsHelper {
           }
         })
         .catch((err: Error) => {
+          if (err.message === 'cancel') {
+            options.cancel?.onClick && options.cancel.onClick()
+          } else {
             ToolsHelper.showMessage(err.message)
+          }
         })
     } catch (error) {
       let message = (error as BusinessError).message
       ToolsHelper.showMessage(message)
     }
-    })
-
   }
 
   public static mapDialog = new HashMap<string, number>()

src/main/ets/view/SafeView.ets

@@ -30,7 +30,7 @@ export struct SafeView {
   @Prop hideBack: boolean
   // 是否显示浅色返回按钮
   @Prop lightBack: boolean
-  // 是否显示返回按钮
+  // 是否显示导航栏
   @Prop hideNavBar: boolean
   /**
    * 是否显示左侧角标,存在onClickLeft时生效
@@ -42,7 +42,7 @@ export struct SafeView {
   @Prop showBadgeRight: boolean;
   // 设置返回按钮事件，如果hideBack为true，该事件无效
   onBackEvent?: () => void
-  // 设置返回按钮事件
+  // 设置导航栏点击事件
   @Prop onClickLeft: TitleBarBtn
   @Prop onClickRight: TitleBarBtn
   // 设置导航栏底下标题