Spring mvc 无法在应用程序路径Spring mvc中存储映像(java.io.FileNotFoundException)
在SpringMVC中,我想将图像存储到Spring mvc 无法在应用程序路径Spring mvc中存储映像(java.io.FileNotFoundException),spring-mvc,Spring Mvc,在SpringMVC中,我想将图像存储到images文件夹。该文件夹位于resources 我尝试了以下代码 BufferedImage image = null; byte[] imageByte; BASE64Decoder decoder = new BASE64Decoder(); imageByte = decoder.decodeBuffer(studentDetails.getStuImg()); ByteArray
images文件夹
。该文件夹位于resources
我尝试了以下代码
BufferedImage image = null;
byte[] imageByte;
BASE64Decoder decoder = new BASE64Decoder();
imageByte = decoder.decodeBuffer(studentDetails.getStuImg());
ByteArrayInputStream bis = new ByteArrayInputStream(imageByte);
image = ImageIO.read(bis);
bis.close();
String file= request.getContextPath()+"/resources/images/imageee.png";
// write the image to a file
File outputfile = new File(file);
ImageIO.write(image, "png", outputfile);
但我有以下例外
java.io.FileNotFoundException: \campasAdmin\resources\images\imageee.png (The system cannot find the path specified)
at java.io.RandomAccessFile.open0(Native Method)
at java.io.RandomAccessFile.open(Unknown Source)
at java.io.RandomAccessFile.<init>(Unknown Source)
at javax.imageio.stream.FileImageOutputStream.<init>(Unknown Source)
at com.sun.imageio.spi.FileImageOutputStreamSpi.createOutputStreamInstance(Unknown Source)
at javax.imageio.ImageIO.createImageOutputStream(Unknown Source)
at javax.imageio.ImageIO.write(Unknown Source)
at com.rasvek.cms.controller.StudentController.addfeeCategory(StudentController.java:272)
at com.rasvek.cms.controller.StudentController$$FastClassBySpringCGLIB$$cb2af793.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:52)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:52)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
at com.rasvek.cms.controller.StudentController$$EnhancerBySpringCGLIB$$4b76b9e3.addfeeCategory(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1100)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
java.io.FileNotFoundException:\campasAdmin\resources\images\imageee.png(系统找不到指定的路径)
位于java.io.RandomAccessFile.open0(本机方法)
位于java.io.RandomAccessFile.open(未知源代码)
位于java.io.RandomAccessFile。(未知源)
位于javax.imageio.stream.FileImageOutputStream。(未知源)
位于com.sun.imageio.spi.FileImageOutputStreamSpi.createOutputStreamInstance(未知源)
在javax.imageio.imageio.createImageOutputStream(未知源)
在javax.imageio.imageio.write(未知源)
在com.rasvek.cms.controller.StudentController.addfeeCography上(StudentController.java:272)
在com.rasvek.cms.controller.StudentController$$FastClassBySpringCGLIB$$cb2af793.invoke()上
位于org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
位于org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
在org.springframework.aop.framework.ReflectiveMethodInvocation.procedue(ReflectiveMethodInvocation.java:157)上
位于org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:52)
在org.springframework.aop.framework.ReflectiveMethodInvocation.procedue(ReflectiveMethodInvocation.java:179)上
位于org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:52)
在org.springframework.aop.framework.ReflectiveMethodInvocation.procedue(ReflectiveMethodInvocation.java:179)上
位于org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
在org.springframework.aop.framework.ReflectiveMethodInvocation.procedue(ReflectiveMethodInvocation.java:179)上
位于org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
在com.rasvek.cms.controller.StudentController$$EnhancerBySpringCGLIB$$4b76b9e3.AddFeeContegory()上
在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)处
位于sun.reflect.NativeMethodAccessorImpl.invoke(未知源)
在sun.reflect.DelegatingMethodAccessorImpl.invoke处(未知源)
位于java.lang.reflect.Method.invoke(未知源)
位于org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
位于org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
位于org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
位于org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
位于org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
位于org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
位于org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
位于org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
位于org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
位于org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
位于javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
位于org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
位于javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
位于org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
位于org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
位于org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
位于org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
位于org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
位于org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
位于org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
位于org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
位于org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
位于org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
位于org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
位于org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1100)
位于org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687)
位于org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
位于org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
位于java.util.concurrent.ThreadPoolExecutor.runWorker(未知源)
位于java.util.concurrent.ThreadPoolExecutor$Worker.run(未知源)
位于org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
位于java.lang.Thread.run(未知源)
如何存储到以下位置
我想在上面的位置。
怎么做,请帮帮我。谢谢你 始终尝试使用通用解决方案,因为路径因操作系统而异
File.separator (import java.io.File;)
String catalinaRootPath = System.getProperty("catalina.home");
File dir = new File(catalinaRootPath + File.separator + "images");
if (!dir.exists()){
dir.mkdirs();
}
<dependency>
<groupId>com.github.paulcwarren</groupId>
<artifactId>spring-content-fs</artifactId>
<version>0.0.11</version>
</dependency>
@Configuration
@EnableFilesystemStores
public class EnableFilesystemStoresConfig {
@Bean
File filesystemRoot() {
try {
return new File("/path/to/your/images");
} catch (IOException ioe) {}
return null;
}
@Bean
FileSystemResourceLoader fileSystemResourceLoader() {
return new FileSystemResourceLoader(filesystemRoot().getAbsolutePath());
}
}
public interface ImageStore extends Store<String> {
}
@RunWith(...)
public class ImageStoreTest {
@Autowired
private DocumentStore store;
@Test
public void sample() {
InputStream is = getImageStream();
Resource r = store.getResource("/some-image.jpg");
OutputStream os = ((WritableResource)r).getOutputStream();
IOUtils.copy(is, os);
is.close();
os.close();
}
public InputStream getImageStream() {
...
}
}
<dependency>
<groupId>com.github.paulcwarren</groupId>
<artifactId>spring-content-rest</artifactId>
<version>0.0.11</version>
</dependency>
@Configuration
@EnableFilesystemStores
@Import(RestConfiguration.class)
public class EnableFilesystemStoresConfig {
@StoreRestResource(path="images")
public interface ImageStore extends Store<String> {
}