add: 取消打印

example/ios/Podfile.lock

@@ -35,7 +35,7 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
   integration_test: 13825b8a9334a850581300559b8839134b124670
-  jc_printer: c4a2906ddae176e1e82fbf52f337a6b6dfc95f99
+  jc_printer: 98d27e989a3129f784669a21dd5883eec26ba102
   Protobuf: 351e9022fe13a6e2af00e9aefc22077cb88520f8
   reactive_ble_mobile: 9ce6723d37ccf701dbffd202d487f23f5de03b4c
   SwiftProtobuf: bcfd2bc231cf9ae552cdc7c4e877bd3b41fe57b1

example/lib/main.dart

@@ -106,7 +106,7 @@ class _HomePageState extends State<HomePage> {
     _count = int.tryParse(_countInput.value.text) ?? 0;
     final content = _contentInput.value.text.trim();
     if (content.isEmpty || _count <= 0) return;
-    _printer.setTotalPrints(1);
+    _printer.setTotalPrints(_count);
     await _printer.initDrawingBoard(
       width: labelWidth,
       height: labelHeight,

ios/Classes/JcPrinterPlugin.m

@@ -46,8 +46,10 @@
         [self getLabelData:result];
     } else if ([@"startJob" isEqualToString:call.method]) {
         [self startJob:call.arguments result:result];
-    } else if ([@"endJob" isEqualToString:call.method]) {
-        [self endJob:result];
+    } else if ([@"cancelJob" isEqualToString:call.method]) {
+        [self cancelJob:result];
+    } else if ([@"endPrint" isEqualToString:call.method]) {
+        [self endPrint:result];
     } else if ([@"commit" isEqualToString:call.method]) {
         [self commit:call.arguments result:result];
     } else {
@@ -149,11 +151,17 @@
     }];
 }
 
-- (void)endJob:(FlutterResult)result {
+- (void)endPrint:(FlutterResult)result {
     [JCAPI endPrint:^(BOOL isSuccess) {
         result(@(isSuccess));
     }];
 }
+
+- (void)cancelJob:(FlutterResult)result {
+    [JCAPI cancelJob:^(BOOL isSuccess) {
+        result(@(isSuccess));
+    }];
+}
 #endif
 
 #pragma mark - FlutterStreamHandler

lib/jc_printer.dart

@@ -227,5 +227,9 @@ class JcPrinter {
     return _printer.commit(data: data, count: count);
   }
 
-  Future<bool> endPrint() async => _printer.endJob();
+  /// 取消打印任务
+  Future<bool> cancelPrint() async => _printer.cancelJob();
+
+  /// 结束当前打印任务
+  Future<bool> endPrint() async => _printer.endPrint();
 }

lib/jc_printer_method_channel.dart

@@ -153,7 +153,13 @@ class MethodChannelJcPrinter extends JcPrinterPlatform {
   }
 
   @override
-  Future<bool> endJob() async {
+  Future<bool> cancelJob() async {
+    final result = await method.invokeMethod<bool>('cancelJob');
+    return result ?? false;
+  }
+
+  @override
+  Future<bool> endPrint() async {
     final result = await method.invokeMethod<bool>('endJob');
     return result ?? false;
   }

lib/jc_printer_platform_interface.dart

@@ -181,7 +181,7 @@ abstract class JcPrinterPlatform extends PlatformInterface {
     int rotate = 0,
     int codeType = 20,
     int textPosition = 0,
-}) {
+  }) {
     throw UnimplementedError('drawLabelBarcode() has not been implemented.');
   }
 
@@ -202,8 +202,13 @@ abstract class JcPrinterPlatform extends PlatformInterface {
     throw UnimplementedError('startJob() has not been implemented.');
   }
 
-  /// 结束打印任务
-  Future<bool> endJob() async {
+  /// 取消打印任务
+  Future<bool> cancelJob() async {
+    throw UnimplementedError('endJob() has not been implemented.');
+  }
+
+  /// 结束当前打印任务
+  Future<bool> endPrint() async {
     throw UnimplementedError('endJob() has not been implemented.');
   }