asp中的数组怎么在com中传入并解析处理后传出阿~~
那位达人指点一下~~
搞了二天了,这个问题还是没有解决~~
我现在要做的是实验数据的回归分析,方程拟合等,急需
这个功能,我对com还不是很了解,希望你可以帮一下我~~
主要就是参数的传递我搞不定,总是出错`~
比如说:
void isqt1(double x[],double y[],int n,double a[2],double dt[6]);//一元回归分析,x[],y[]为输入的原始数据数组,n为数组大小,a[2]和dt[6]为返回值
我想把这个封装在atl做的com中然后用asp来调用
interface ICom : IDispatch
{
[id(1), helpstring("method isqt1")] HRESULT isqt1([in]double x[],double y[],int n,[out,retval]double* a[2],double* dt[6]);
};在atl里面我对safearray和variant类型都不是很熟,不知道怎么用~
那位达人指点一下~~
搞了二天了,这个问题还是没有解决~~
我现在要做的是实验数据的回归分析,方程拟合等,急需
这个功能,我对com还不是很了解,希望你可以帮一下我~~
主要就是参数的传递我搞不定,总是出错`~
比如说:
void isqt1(double x[],double y[],int n,double a[2],double dt[6]);//一元回归分析,x[],y[]为输入的原始数据数组,n为数组大小,a[2]和dt[6]为返回值
我想把这个封装在atl做的com中然后用asp来调用
interface ICom : IDispatch
{
[id(1), helpstring("method isqt1")] HRESULT isqt1([in]double x[],double y[],int n,[out,retval]double* a[2],double* dt[6]);
};在atl里面我对safearray和variant类型都不是很熟,不知道怎么用~
{
if (out == NULL)
return E_POINTER; if (x.vt != (VT_VARIANT | VT_BYREF))
return E_INVALIDARG; if (!(x.pvarVal->vt & VT_ARRAY))
return E_INVALIDARG; if (y.vt != (VT_VARIANT | VT_BYREF))
return E_INVALIDARG; if (!(y.pvarVal->vt & VT_ARRAY))
return E_INVALIDARG; SAFEARRAY* pX = NULL;
SAFEARRAY* pY = NULL; if (x.pvarVal->vt & VT_BYREF)
pX = *(x.pvarVal->pparray);
else
pX = x.pvarVal->parray; if (y.pvarVal->vt & VT_BYREF)
pY = *(y.pvarVal->pparray);
else
pY = y.pvarVal->parray; if (::SafeArrayGetDim(pX) != 1)
return E_INVALIDARG;
if (::SafeArrayGetDim(pY) != 1)
return E_INVALIDARG; LONG LBound, UBound;
::SafeArrayGetLBound(pX, 1, &LBound);
::SafeArrayGetUBound(pX, 1, &UBound);
LONG Count = UBound - LBound + 1;
::SafeArrayGetLBound(pY, 1, &LBound);
::SafeArrayGetUBound(pY, 1, &UBound);
if ((UBound - LBound + 1) != Count)
return E_INVALIDARG; vector<DOUBLE> vx;
vector<DOUBLE> vy; _variant_t v;
VARIANT* pvData = NULL;
::SafeArrayAccessData(pX, (void**)&pvData);
for (LONG i=0; i<Count; ++i)
{
v = pvData[i];
v.ChangeType(VT_R8);
vx.push_back(v.dblVal);
}
::SafeArrayUnaccessData(pX); ::SafeArrayAccessData(pY, (void**)&pvData);
for (i=0; i<Count; ++i)
{
v = pvData[i];
v.ChangeType(VT_R8);
vy.push_back(v.dblVal);
}
::SafeArrayUnaccessData(pY); v.Clear();
v.vt = VT_VARIANT | VT_ARRAY;
v.parray = ::SafeArrayCreateVector(VT_VARIANT, 0, 8); VARIANT* pd = NULL;
::SafeArrayAccessData(v.parray, (void**)&pd);
pd[0] = _variant_t(vx[0]).Detach();
pd[1] = _variant_t(vx[1]).Detach();
pd[2] = _variant_t(vy[0]).Detach();
pd[3] = _variant_t(vy[1]).Detach();
pd[4] = _variant_t(vy[2]).Detach();
pd[5] = _variant_t(vy[0]).Detach();
pd[6] = _variant_t(vy[1]).Detach();
pd[7] = _variant_t(vy[2]).Detach();
::SafeArrayUnaccessData(v.parray); *out = v.Detach();
return S_OK;
}//我直接取X的前两个,重复取Y的前三位返回,具体的自己写吧。
//应该还有错误处理,我省了。
========================================================================
//asp
Dim obj
set obj = CraeteObject(...) Dim a(4)
For I = 0 To 4
a(I) = I + 1
Next Dim b(4)
For I = 0 TO 4
b(I) = I * I
Next
dim Sum
Sum = obj.isqtl(a, b) if (IsArray(sum)) Then
for j = LBound(sum) To UBound(sum)
Response.Write CStr(sum(j)) & "<BR>"
Next
End if
[in] short m;
[in, size_is(m)] short a[]); // If m = 10, a[10]
HRESULT Proc2(
[in] short m;
[in, size_is(m)] short b[][20]); // If m = 10, b[10][20]
HRESULT Proc3(
[in] short m;
[size_is(m)] short * pshort); /* Specifies a pointer
to an m-sized block of shorts */
HRESULT Proc4(
[in] short m;
[size_is( , m)] short ** ppshort); /* Specifies a pointer
to a pointer to an m-sized
block of shorts */
HRESULT Proc5(
[in] short m;
[size_is(m ,)] short ** ppshort); /* Specifies an
m-sized block of pointers
to shorts */
HRESULT Proc6(
[in] short m;
[in] short n;
[size_is(m,n)] short ** ppshort); /* Specifies a pointer to an
m-sized block of pointers, each
of which points to an n-sized
block of shorts.*/
HRESULT Proc7(
[out] long * pSize,
[out, size_is( , *pSize)] my_type ** ppMyType); /* Specifies a pointer
to a sized pointer,
which points to a block
of my_types, whose size is
unknown when the stub
calls the server. */