15.2.2.3 传递字符串
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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. . .*/
