java中statfs_Android异常java.io.FileNotFoundException:(Is a directory)

1、在Android系统中对SD卡进行文件写操作时，出现以下异常： 04-04 15:18:04.068: W/System.err(295):

java.io.FileNotFoundException: /mnt/sdcard/Pic/导出/1071312197.jpg

(Is a directory) 04-04 15:18:04.118: W/System.err(295): at

org.apache.harmony.luni.platform.OSFileSystem.openImpl(Native

Method) 04-04 15:18:04.118: W/System.err(295): at

org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:152)

04-04 15:18:04.118: W/System.err(295): at

java.io.FileOutputStream.(FileOutputStream.java:97) 04-04

15:18:04.118: W/System.err(295): at

java.io.FileOutputStream.(FileOutputStream.java:69) 04-04

15:18:04.118: W/System.err(295): at

com.orgcent.util.IOUtil.copy(IOUtil.java:23) 04-04 15:18:04.118:

W/System.err(295): at

com.orgcent.pic.PicDetail.onClick(PicDetail.java:362) 04-04

15:18:04.118: W/System.err(295): at

android.view.View.performClick(View.java:2408) 04-04 15:18:04.128:

W/System.err(295): at

android.view.View$PerformClick.run(View.java:8816) 04-04

15:18:04.128: W/System.err(295): at

android.os.Handler.handleCallback(Handler.java:587) 04-04

15:18:04.128: W/System.err(295): at

android.os.Handler.dispatchMessage(Handler.java:92) 04-04

15:18:04.128: W/System.err(295): at

android.os.Looper.loop(Looper.java:123) 04-04 15:18:04.128:

W/System.err(295): at

android.app.ActivityThread.main(ActivityThread.java:4627) 04-04

15:18:04.128: W/System.err(295): at

java.lang.reflect.Method.invokeNative(Native Method) 04-04

15:18:04.128: W/System.err(295): at

java.lang.reflect.Method.invoke(Method.java:521) 04-04

15:18:04.138: W/System.err(295): at

com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)

04-04 15:18:04.138: W/System.err(295): at

com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 04-04

15:18:04.138: W/System.err(295): at

dalvik.system.NativeStart.main(Native Method)