//cpp文件代码如下：
 #include   <stdio.h>   
 #include   "java2dll.h"     
 JNIEXPORT   jstring   JNICALL   Java_Java2dll_cTrim(JNIEnv   *env,   jobject   obj,   jstring   str)   
{   
  const   char*   strTemp;
  strTemp=env->GetStringUTFChars(env,str,NULL);   

  if(strTemp==NULL)   
  {   return   NULL;   
   }   
  cTrim(strTemp);   
  return   env->NewStringUTF(env,strTemp);   
  env->ReleaseStringUTFChars(env,str,strTemp);   
}   

//.h文件代码如下：

/* DO NOT EDIT THIS FILE - it is machine generated */

#include <jni.h>

/* Header for class Java2dll */

#ifndef _Included_Java2dll

#define _Included_Java2dll

#ifdef __cplusplus

extern "C" {

#endif

/*

 * Class:     Java2dll

 * Method:    cTrim

 * Signature: (Ljava/lang/String;)Ljava/lang/String;

 */

JNIEXPORT jstring JNICALL Java_Java2dll_cTrim(JNIEnv *, jobject, jstring);

#ifdef __cplusplus

}

#endif

#endif