Java 致命错误：jni.h：没有那个文件或目录
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fatal error: jni.h: No such file or directory
提问by anmi
I'm trying to recreate this tutorial on Windows: Java Native Interface (JNI)
我正在尝试在 Windows 上重新创建本教程： Java Native Interface (JNI)
When I try to compile it I get the following error:
当我尝试编译它时，出现以下错误：
fatal error: jni.h: No such file or directory
#include <jni.h>
compilation terminated.
My command line is:
我的命令行是：
gcc -Wl,--add-stdcall-alias -IC:\Program_Files\Java\jdk1.7.0_45\include -IC:\Program_Files\Java\jdk1.7.0_45\include\win32 -shared -o hello.dll HelloJNI.c
I compile in the folder where all the files are.
我在所有文件所在的文件夹中编译。
I am sure that the file "jni.h" in this folder is located:
我确定此文件夹中的文件“jni.h”位于：
C:\Program Files\Java\jdk1.7.0_45\include
Does anyone know why the import statement does not work?
有谁知道为什么导入语句不起作用？
Thanks!
谢谢！
采纳答案by anmi
I got the answer:
我得到了答案：
I just need to use quotation marks, replace the backslash with slash and replace the underscores with spaces.
我只需要使用引号，用斜杠替换反斜杠并用空格替换下划线。
The command looks like this:
该命令如下所示：
gcc -Wl,--add-stdcall-alias -I"C:/Program Files/Java/jdk1.7.0_45/include" -I"C:/Program Files/Java/jdk1.7.0_45/include/win32" -shared -o hello.dll HelloJNI.c
gcc -Wl,--add-stdcall-alias -I"C:/Program Files/Java/jdk1.7.0_45/include" -I"C:/Program Files/Java/jdk1.7.0_45/include/win32" -共享 -o hello.dll HelloJNI.c
Thanks to all!!
谢谢大家！！
回答by Joni
Underscore is not the same as space. If jni.hreally is in the "program files" directory you should use this command:
下划线与空格不同。如果jni.h确实在“程序文件”目录中，则应使用以下命令：
gcc -Wl,--add-stdcall-alias -I "C:\Program Files\Java\jdk1.7.0_45\include" -I "C:\Program Files\Java\jdk1.7.0_45\include\win32" -shared -o hello.dll HelloJNI.c
gcc -Wl,--add-stdcall-alias -I "C:\Program Files\Java\jdk1.7.0_45\include" -I "C:\Program Files\Java\jdk1.7.0_45\include\win32" -共享 -o hello.dll HelloJNI.c
