Linux JNI实例及其JNI程序设计模板

简单实例说明待补充，实例源码可在此链接下载http://d.download.csdn.net/down/2389895/sanlinux
jniNative.cpp
#include "jniNative.h"
#include "mymain.h"
#include <stdio.h>
JNIEXPORT void JNICALL Java_HelloWorld_print(JNIEnv *env, jobject arg, jstring instring)
{
    const char *str = (const char *)env->GetStringUTFChars(instring, JNI_FALSE);
    printf("HELLO,%s\n",str);
    env->ReleaseStringUTFChars(instring,str);
    return;
}
JNIEXPORT void JNICALL Java_HelloWorld_test(JNIEnv *env, jobject arg, jstring instring)
{
    const jbyte *str = (const jbyte *)env->GetStringUTFChars(instring, JNI_FALSE);
    test((const char *)str);
    env->ReleaseStringUTFChars(instring, (const char *)str);
    return;
}
jniNative.h
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class HelloWorld */
//javac HelloWorld.java
//javah HelloWorld
//Copy from HelloWorld.h
#ifndef _Included_HelloWorld
#define _Included_HelloWorld
#ifdef __cplusplus
extern "C" {
#endif
/*
 * Class:     HelloWorld
 * Method:    print
 * Signature: (Ljava/lang/String;)V
 */
JNIEXPORT void JNICALL Java_HelloWorld_print
  (JNIEnv *, jobject, jstring);
/*
 * Class:     HelloWorld
 * Method:    test
 * Signature: (Ljava/lang/String;)V
 */
JNIEXPORT void JNICALL Java_HelloWorld_test
  (JNIEnv *, jobject, jstring);
#ifdef __cplusplus
}
#endif
#endif
mymain.cpp
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "mymain.h"
void test(const char *str)
{
    char ch[50];
    int len = 0;
   
    strcat(ch,"Hello ");
&nbs