涉及到的jstring 到CString 的转换和其他一些东西

//#include "javacall.h"
#include "applet1.h"

//JNIEXPORT jint JNICALL Java_javacall_GetDES (JNIEnv *, jclass, jint p,jint k,jint z)
JNIEXPORT jint JNICALL Java_Applet1_GetDES(JNIEnv *, jclass, jint p,jint k,jint z)
{
int res=GetDES(p,k,z);
      return res;
}

jstring convertANSIToUNI(JNIEnv *env,char* cStr)

{       

                    int slen = strlen(cStr);

                    if(!env||slen==0)

                             return NULL;

                    jchar* buffer = new jchar[slen];

                    int len = MultiByteToWideChar(CP_ACP,0,cStr,strlen(cStr),(LPWSTR)buffer,slen);

                    if(len>0 && len < slen)

                             buffer[len]='\0';

                    jstring js = env->NewString(buffer,len);

                    delete [] buffer;

                    return js;    

}
void convertUniToANSI(JNIEnv *env,jstring oldStr,char* newStr)

{

                     int desc_len=256*2;

                     int len;

                     if(oldStr==NULL||newStr==NULL)

                              return ;

                     wchar_t *w_buffer = new wchar_t[256];

                     wcscpy(w_buffer,(LPWSTR)env->GetStringChars(oldStr,0));

                     env->ReleaseStringChars(oldStr,(jchar *)w_buffer);

                     len = WideCharToMultiByte(CP_ACP,0,w_buffer,1024,newStr,desc_len,NULL,NULL);

                     if(len>0 && len<desc_len)

                     {

                              newStr[len]='\0';

                     }

                     delete[] w_buffer;

}

JNIEXPORT jstring    JNICALL Java_Applet1_ReadIC(JNIEnv * env,jclass,jint l,jint k,jint m)
{
jstring js;
CString CSjs;
CSjs="12345678";
CSjs=ReadICrCS(l,k,m);
      AfxMessageBox(CSjs);
      char *cCSjs;
cCSjs=CSjs.GetBuffer();
      js=convertANSIToUNI(env,cCSjs);

return js;
}

JNIEXPORT jint JNICALL Java_Applet1_WriteIC(JNIEnv *env,jclass,jint l,jint k,jstring iw,jint m)
{
      char chContext[3000];
      convertUniToANSI(env,iw,chContext);
CString iwCS;
iwCS.Format(_T("%s"),chContext);
AfxMessageBox(iwCS);
int res=WriteICrCS(l,k,iwCS,m);
return res;
}