鸿蒙编译框架@ohos/hvigor FileUtil用法

@ohos/hvigor FileUtil用法
 

在鸿蒙(HarmonyOS)开发中,@ohos/hvigor 的 FileUtil 是用于文件操作的实用工具类,提供了跨平台的文件读写、路径处理等常用方法。以下是其核心用法和示例:


一、核心方法说明

方法名 功能描述 --------------------------------- --------------------------------------------------------------------------

|  readFile(path: string) | 异步读取文件内容(返回 Promise<string>) |

|  writeFile(path: string, content: string) | 异步写入文件内容(自动创建目录) |   

|  copyFile(src: string, dest: string) | 异步复制文件(支持覆盖) |    

 deleteFile(path: string)&nb

"C:\Program Files\Java\jdk-21\bin\java.exe" -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:53025,suspend=y,server=n -Dcool.request.port=54072 -javaagent:C:\Users\MR\AppData\Local\JetBrains\IntelliJIdea2023.1\captureAgent\debugger-agent.jar -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath "D:\repository_JAVAFX\org\openjfx\javafx-controls\21.0.1\javafx-controls-21.0.1.jar;D:\repository_JAVAFX\org\openjfx\javafx-graphics\21.0.1\javafx-graphics-21.0.1.jar;D:\repository_JAVAFX\org\openjfx\javafx-base\21.0.1\javafx-base-21.0.1.jar;D:\repository_JAVAFX\org\openjfx\javafx-fxml\21.0.1\javafx-fxml-21.0.1.jar;D:\repository_JAVAFX\org\openjfx\javafx-web\21.0.1\javafx-web-21.0.1.jar;D:\repository_JAVAFX\org\openjfx\javafx-media\21.0.1\javafx-media-21.0.1.jar;D:\repository_JAVAFX\com\alibaba\easyexcel\3.3.2\easyexcel-3.3.2.jar;D:\repository_JAVAFX\com\alibaba\easyexcel-support\3.3.2\easyexcel-support-3.3.2.jar;D:\repository_JAVAFX\org\apache\poi\poi\4.1.2\poi-4.1.2.jar;D:\repository_JAVAFX\org\apache\commons\commons-collections4\4.4\commons-collections4-4.4.jar;D:\repository_JAVAFX\org\apache\commons\commons-math3\3.6.1\commons-math3-3.6.1.jar;D:\repository_JAVAFX\com\zaxxer\SparseBitSet\1.2\SparseBitSet-1.2.jar;D:\repository_JAVAFX\org\apache\poi\poi-ooxml\4.1.2\poi-ooxml-4.1.2.jar;D:\repository_JAVAFX\org\apache\commons\commons-compress\1.19\commons-compress-1.19.jar;D:\repository_JAVAFX\com\github\virtuald\curvesapi\1.06\curvesapi-1.06.jar;D:\repository_JAVAFX\org\apache\poi\poi-ooxml-schemas\4.1.2\poi-ooxml-schemas-4.1.2.jar;D:\repository_JAVAFX\org\apache\xmlbeans\xmlbeans\3.1.0\xmlbeans-3.1.0.jar;D:\repository_JAVAFX\org\ehcache\ehcache\3.9.9\ehcache-3.9.9.jar;C:\Users\MR\.config\.cool-request\request\lib\spring-invoke-starter.jar;D:\install\IntelliJ IDEA 2023.1.3\lib\idea_rt.jar" -p D:\repository_JAVAFX\org\openjfx\javafx-base\21.0.1\javafx-base-21.0.1-win.jar;D:\repository_JAVAFX\org\controlsfx\controlsfx\11.1.2\controlsfx-11.1.2.jar;D:\repository_JAVAFX\org\openjfx\javafx-web\21.0.1\javafx-web-21.0.1-win.jar;D:\repository_JAVAFX\org\openjfx\javafx-controls\21.0.1\javafx-controls-21.0.1-win.jar;D:\repository_JAVAFX\commons-codec\commons-codec\1.16.1\commons-codec-1.16.1.jar;D:\repository_JAVAFX\ch\qos\logback\logback-core\1.4.14\logback-core-1.4.14.jar;D:\repository_JAVAFX\commons-io\commons-io\2.16.1\commons-io-2.16.1.jar;D:\repository_JAVAFX\ch\qos\logback\logback-classic\1.4.14\logback-classic-1.4.14.jar;D:\repository_JAVAFX\org\openjfx\javafx-media\21.0.1\javafx-media-21.0.1-win.jar;D:\repository_JAVAFX\org\slf4j\slf4j-api\2.0.13\slf4j-api-2.0.13.jar;D:\repository_JAVAFX\org\kordamp\ikonli\ikonli-core\12.3.1\ikonli-core-12.3.1.jar;D:\repository_JAVAFX\org\openjfx\javafx-graphics\21.0.1\javafx-graphics-21.0.1-win.jar;D:\work\IPEZMCX\target\classes;D:\repository_JAVAFX\org\kordamp\bootstrapfx\bootstrapfx-core\0.4.0\bootstrapfx-core-0.4.0.jar;D:\repository_JAVAFX\org\apache\commons\commons-csv\1.11.0\commons-csv-1.11.0.jar;D:\repository_JAVAFX\eu\hansolo\tilesfx\17.0.0\tilesfx-17.0.0.jar;D:\repository_JAVAFX\com\alibaba\easyexcel-core\3.3.2\easyexcel-core-3.3.2.jar;D:\repository_JAVAFX\com\dlsc\formsfx\formsfx-core\11.6.0\formsfx-core-11.6.0.jar;D:\repository_JAVAFX\org\openjfx\javafx-fxml\21.0.1\javafx-fxml-21.0.1-win.jar;D:\repository_JAVAFX\org\kordamp\ikonli\ikonli-javafx\12.3.1\ikonli-javafx-12.3.1.jar -m com.example.ipezmcx/com.example.ipezmcx.HelloApplication 已连接到目标 VM, 地址: ''127.0.0.1:53025',传输: '套接字'' 9月 30, 2025 2:24:19 下午 javafx.fxml.FXMLLoader$ValueElement processValue 警告: Loading FXML document with JavaFX API of version 25 by JavaFX runtime of version 21.0.1 找到 2 个 csv 文件 14:24:22.833 [JavaFX Application Thread] DEBUG com.alibaba.excel.metadata.property.ExcelHeadProperty -- The initialization sheet/table 'ExcelHeadProperty' is complete , head kind is CLASS 14:24:22.848 [JavaFX Application Thread] DEBUG com.alibaba.excel.context.AnalysisContextImpl -- Initialization 'AnalysisContextImpl' complete 14:24:22.860 [JavaFX Application Thread] DEBUG com.alibaba.excel.util.SheetUtils -- The first is read by default. 14:24:22.860 [JavaFX Application Thread] DEBUG com.alibaba.excel.metadata.property.ExcelHeadProperty -- The initialization sheet/table 'ExcelHeadProperty' is complete , head kind is CLASS 14:24:22.861 [JavaFX Application Thread] DEBUG com.alibaba.excel.context.AnalysisContextImpl -- Began to read:com.alibaba.excel.read.metadata.holder.csv.CsvReadSheetHolder@5262ddc1 Exception in thread "JavaFX Application Thread" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1858) at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1726) at javafx.base@21.0.1/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86) at javafx.base@21.0.1/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:232) at javafx.base@21.0.1/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:189) at javafx.base@21.0.1/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59) at javafx.base@21.0.1/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58) at javafx.base@21.0.1/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at javafx.base@21.0.1/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at javafx.base@21.0.1/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at javafx.base@21.0.1/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at javafx.base@21.0.1/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at javafx.base@21.0.1/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74) at javafx.base@21.0.1/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49) at javafx.base@21.0.1/javafx.event.Event.fireEvent(Event.java:198) at javafx.graphics@21.0.1/javafx.scene.Node.fireEvent(Node.java:8875) at javafx.controls@21.0.1/javafx.scene.control.Button.fire(Button.java:203) at javafx.controls@21.0.1/com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:207) at javafx.controls@21.0.1/com.sun.javafx.scene.control.inputmap.InputMap.handle(InputMap.java:274) at javafx.base@21.0.1/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247) at javafx.base@21.0.1/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80) at javafx.base@21.0.1/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:232) at javafx.base@21.0.1/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:189) at javafx.base@21.0.1/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59) at javafx.base@21.0.1/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58) at javafx.base@21.0.1/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at javafx.base@21.0.1/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at javafx.base@21.0.1/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at javafx.base@21.0.1/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at javafx.base@21.0.1/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at javafx.base@21.0.1/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74) at javafx.base@21.0.1/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54) at javafx.base@21.0.1/javafx.event.Event.fireEvent(Event.java:198) at javafx.graphics@21.0.1/javafx.scene.Scene$MouseHandler.process(Scene.java:3984) at javafx.graphics@21.0.1/javafx.scene.Scene.processMouseEvent(Scene.java:1890) at javafx.graphics@21.0.1/javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2708) at javafx.graphics@21.0.1/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:411) at javafx.graphics@21.0.1/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:301) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at javafx.graphics@21.0.1/com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:450) at javafx.graphics@21.0.1/com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:424) at javafx.graphics@21.0.1/com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:449) at javafx.graphics@21.0.1/com.sun.glass.ui.View.handleMouseEvent(View.java:551) at javafx.graphics@21.0.1/com.sun.glass.ui.View.notifyMouse(View.java:937) at javafx.graphics@21.0.1/com.sun.glass.ui.win.WinApplication._runLoop(Native Method) at javafx.graphics@21.0.1/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:185) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at com.sun.javafx.reflect.Trampoline.invoke(MethodUtil.java:72) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at javafx.base@21.0.1/com.sun.javafx.reflect.MethodUtil.invoke(MethodUtil.java:270) at javafx.fxml@21.0.1/com.sun.javafx.fxml.MethodHelper.invoke(MethodHelper.java:84) at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1853) ... 46 more Caused by: com.alibaba.excel.support.cglib.core.CodeGenerationException: java.lang.IllegalAccessException-->module com.example.ipezmcx does not open com.example.ipezmcx.dto to unnamed module @670002 at com.alibaba.excel.support.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:511) at com.alibaba.excel.support.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:363) at com.alibaba.excel.support.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:110) at com.alibaba.excel.support.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:108) at com.alibaba.excel.support.cglib.core.internal.LoadingCache$2.call(LoadingCache.java:54) at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java) at com.alibaba.excel.support.cglib.core.internal.LoadingCache.createEntry(LoadingCache.java:61) at com.alibaba.excel.support.cglib.core.internal.LoadingCache.get(LoadingCache.java:34) at com.alibaba.excel.support.cglib.core.AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:134) at com.alibaba.excel.support.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:319) at com.alibaba.excel.support.cglib.beans.BeanMap$Generator.create(BeanMap.java:140) at easyexcel.core@3.3.2/com.alibaba.excel.util.BeanMapUtils.create(BeanMapUtils.java:29) at easyexcel.core@3.3.2/com.alibaba.excel.read.listener.ModelBuildEventListener.buildUserModel(ModelBuildEventListener.java:141) at easyexcel.core@3.3.2/com.alibaba.excel.read.listener.ModelBuildEventListener.invoke(ModelBuildEventListener.java:42) at easyexcel.core@3.3.2/com.alibaba.excel.read.listener.ModelBuildEventListener.invoke(ModelBuildEventListener.java:35) at easyexcel.core@3.3.2/com.alibaba.excel.read.processor.DefaultAnalysisEventProcessor.dealData(DefaultAnalysisEventProcessor.java:104) at easyexcel.core@3.3.2/com.alibaba.excel.read.processor.DefaultAnalysisEventProcessor.endRow(DefaultAnalysisEventProcessor.java:51) at easyexcel.core@3.3.2/com.alibaba.excel.analysis.csv.CsvExcelReadExecutor.dealRecord(CsvExcelReadExecutor.java:138) at easyexcel.core@3.3.2/com.alibaba.excel.analysis.csv.CsvExcelReadExecutor.execute(CsvExcelReadExecutor.java:77) at easyexcel.core@3.3.2/com.alibaba.excel.analysis.ExcelAnalyserImpl.analysis(ExcelAnalyserImpl.java:124) at easyexcel.core@3.3.2/com.alibaba.excel.ExcelReader.read(ExcelReader.java:66) at easyexcel.core@3.3.2/com.alibaba.excel.ExcelReader.read(ExcelReader.java:56) at easyexcel.core@3.3.2/com.alibaba.excel.read.builder.ExcelReaderSheetBuilder.doReadSync(ExcelReaderSheetBuilder.java:80) at com.example.ipezmcx/com.example.ipezmcx.utils.FileUtil.parseCsvWithEasyExcel(FileUtil.java:178) at com.example.ipezmcx/com.example.ipezmcx.service.IpeService.fileVL(IpeService.java:55) at com.example.ipezmcx/com.example.ipezmcx.service.IpeService.clcsv(IpeService.java:44) at com.example.ipezmcx/com.example.ipezmcx.HelloController.startYYOnClic(HelloController.java:47) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ... 53 more Caused by: java.lang.IllegalAccessException: module com.example.ipezmcx does not open com.example.ipezmcx.dto to unnamed module @670002 at java.base/java.lang.invoke.MethodHandles.privateLookupIn(MethodHandles.java:287) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at com.alibaba.excel.support.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:505) ... 81 more
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