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我有一个C程序进行通信的Java程序。我以前写过JNI,但我的输出结构更简单,C结构只包含双/整数和双精度/整数数组。JNI和访问一个子类
现在我的结构包含一个子(类/子类),我不知道如何更改代码来访问数据的子类/场。
我的C代码看起来像这样,但我如何访问一个值,如DefaultFeeAmount
,如果你看看我的Java类下面的代码....我怎么去的子类内的元素?
Ç简单....
{
jclass out_rec_cls = jenv->GetObjectClass(ptrTo_out_rec);
jfieldID fldID, fldID2;
jintArray arr;
jdoubleArray darr;
jobjectArray oarr;
jsize len;//,len2;
jint *arrElems;
jdouble *darrElems;
jobject *oarrElems;
int i;
char temp_str[100],temp_str2[10000];
fldID = jenv->GetFieldID(out_rec_cls, "ErrorCode", "I");
if(fldID != NULL)
jenv->SetIntField(ptrTo_out_rec, fldID, out_rec->error_code);
}
的Java
class FeeOutput {
public double DefaultFeeAmount;
public double MaximumAmount;
public int FeeID;
public int CompType;
public int Handling;
public int CapType;
public int ProfitType;
public int EffectiveDateMonth;
public int EffectiveDateDay;
public int EffectiveDateYear;
public int VendorBasedFee;
public int DealerRequestedFee;
public int DealerFixedTranFee;
public double FeeAmount;
public int FeeCompliant;
public String FeeName = "";
public FeeOutput() {
}
}
public class VFeeOutput {
public static final int NUM_FEES = 100;
public FeeOutput[] FeeStruct = new FeeOutput[NUM_FEES];
public int ErrorCode;
public String ErrorString = "";
public String Version = "";
public VFeeOutput() {
}
}