15.2.2.3 传递字符串

public class Sample1
{
     public native String stringMethod(String text);

     public static void main(String[] args)
     {
         System.loadLibrary("Sample1");
          Sample1 sample = new Sample1();
          String text   = sample.stringMethod("Thinking In Java");
         System.out.println("stringMethod: " + text);
     }
}

/*
// Sample1.cpp : 定义 DLL 应用程序的导出函数。
//

#include "stdafx.h"


#include "..\Sample1.h"
#include <string.h>    

JNIEXPORT jstring JNICALL Java_Sample1_stringMethod
  (JNIEnv *env, jobject, jstring string)
{
         const char *str = env->GetStringUTFChars(string, 0);
         char cap[128];
         strcpy(cap, str);
         env->ReleaseStringUTFChars( string, str);
       int i=0;
       for(i=0;i<strlen(cap);i++)
         *(cap+i)=(char)toupper(*(cap+i));
       return env->NewStringUTF( cap);
	
}
*/

/*
stringMethod: THINKING IN JAVA
请按任意键继续. . .
*/