此文参考了/playstudy/article/details/8259737,在此基础上做了改进
// WebDlg.idl : WebDlg 的 IDL 源
//
// 此文件将由 MIDL 工具处理以
// 产生类型库(WebDlg.tlb)和封送处理代码。
#include "olectl.h"
import "oaidl.idl";
import "ocidl.idl";
[
object,
uuid(1DC366A1-3040-4376-B4CD-26B0E7032641),
dual,
nonextensible,
pointer_default(unique)
]
interface IGetJavaScriptArray : IDispatch
{
[id(1)] HRESULT getArrayValue2D([in] VARIANT arrayPoints, [out,retval] LONG *result);
};
[
uuid(9C070B0B-F506-44C6-8163-CC9C502B12A3),
version(1.0),
]
library WebDlgLib
{
importlib("stdole2.tlb");
[
uuid(E5466677-5CF1-4870-98EA-01E9C4A198DF),
control
]
coclass GetJavaScriptArray
{
[default] interface IGetJavaScriptArray;
};
};
// GetJavaScriptArray.h : CGetJavaScriptArray 的声明
#pragma once
#include "resource.h" // 主符号
#include
#include "WebDlg_i.h"
#if defined(_WIN32_WCE) && !defined(_CE_DCOM) && !defined(_CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA)
#error "Windows CE 平台(如不提供完全 DCOM 支持的 Windows Mobile 平台)上无法正确支持单线程 COM 对象。定义 _CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA 可强制 ATL 支持创建单线程 COM 对象实现并允许使用其单线程 COM 对象实现。rgs 文件中的线程模型已被设置为“Free”,原因是该模型是非 DCOM Windows CE 平台支持的唯一线程模型。"
#endif
using namespace ATL;
// CGetJavaScriptArray
class ATL_NO_VTABLE CGetJavaScriptArray :
public CComObjectRootEx,
public IDispatchImpl,
public IOleControlImpl,
public IOleObjectImpl,
public IOleInPlaceActiveObjectImpl,
public IViewObjectExImpl,
public IOleInPlaceObjectWindowlessImpl,
public ISupportErrorInfo,
public IQuickActivateImpl,
#ifndef _WIN32_WCE
public IDataObjectImpl,
#endif
public IProvideClassInfo2Impl,
public CComCoClass,
public CComControl
{
public:
CGetJavaScriptArray()
{
}
DECLARE_OLEMISC_STATUS(OLEMISC_RECOMPOSEONRESIZE |
OLEMISC_CANTLINKINSIDE |
OLEMISC_INSIDEOUT |
OLEMISC_ACTIVATEWHENVISIBLE |
OLEMISC_SETCLIENTSITEFIRST
)
DECLARE_REGISTRY_RESOURCEID(IDR_GETJAVASCRIPTARRAY)
BEGIN_COM_MAP(CGetJavaScriptArray)
COM_INTERFACE_ENTRY(IGetJavaScriptArray)
COM_INTERFACE_ENTRY(IDispatch)
COM_INTERFACE_ENTRY(IViewObjectEx)
COM_INTERFACE_ENTRY(IViewObject2)
COM_INTERFACE_ENTRY(IViewObject)
COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY(IOleInPlaceObject)
COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
COM_INTERFACE_ENTRY(IOleControl)
COM_INTERFACE_ENTRY(IOleObject)
COM_INTERFACE_ENTRY(ISupportErrorInfo)
COM_INTERFACE_ENTRY(IQuickActivate)
#ifndef _WIN32_WCE
COM_INTERFACE_ENTRY(IDataObject)
#endif
COM_INTERFACE_ENTRY(IProvideClassInfo)
COM_INTERFACE_ENTRY(IProvideClassInfo2)
END_COM_MAP()
BEGIN_PROP_MAP(CGetJavaScriptArray)
PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
// 示例项
// PROP_ENTRY_TYPE("属性名", dispid, clsid, vtType)
// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()
BEGIN_MSG_MAP(CGetJavaScriptArray)
CHAIN_MSG_MAP(CComControl)
DEFAULT_REFLECTION_HANDLER()
END_MSG_MAP()
// 处理程序原型:
// LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
// LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
// LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
// ISupportsErrorInfo
STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid)
{
static const IID* const arr[] =
{
&IID_IGetJavaScriptArray,
};
for (int i=0; i
{
if (InlineIsEqualGUID(*arr[i], riid))
return S_OK;
}
return S_FALSE;
}
// IViewObjectEx
DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)
// IGetJavaScriptArray
public:
HRESULT OnDraw(ATL_DRAWINFO& di)
{
RECT& rc = *(RECT*)di.prcBounds;
// 将剪辑区域设置为 di.prcBounds 指定的矩形
HRGN hRgnOld = NULL;
if (GetClipRgn(di.hdcDraw, hRgnOld) != 1)
hRgnOld = NULL;
bool bSelectOldRgn = false;
HRGN hRgnNew = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
if (hRgnNew != NULL)
{
bSelectOldRgn = (SelectClipRgn(di.hdcDraw, hRgnNew) != ERROR);
}
Rectangle(di.hdcDraw, rc.left, rc.top, rc.right, rc.bottom);
SetTextAlign(di.hdcDraw, TA_CENTER|TA_BASELINE);
LPCTSTR pszText = _T("GetJavaScriptArray");
#ifndef _WIN32_WCE
TextOut(di.hdcDraw,
(rc.left + rc.right) / 2,
(rc.top + rc.bottom) / 2,
pszText,
lstrlen(pszText));
#else
ExtTextOut(di.hdcDraw,
(rc.left + rc.right) / 2,
(rc.top + rc.bottom) / 2,
ETO_OPAQUE,
NULL,
pszText,
ATL::lstrlen(pszText),
NULL);
#endif
if (bSelectOldRgn)
SelectClipRgn(di.hdcDraw, hRgnOld);
return S_OK;
}
DECLARE_PROTECT_FINAL_CONSTRUCT()
HRESULT FinalConstruct()
{
return S_OK;
}
void FinalRelease()
{
}
STDMETHOD(getArrayValue2D)(VARIANT arrayPoints, LONG *result);
HRESULT getArrayLength1D(IDispatch *pDisp, int *pLength);
HRESULT getArrayNumberOfIndex1D(IDispatch *pDisp, int index, int *pValue);
HRESULT setArrayNumberOfIndex1D(IDispatch *pDisp, int index, int value);
HRESULT getArrayLength2D(IDispatch *pDisp, int *pLength1, int *pLength2);
HRESULT getArrayNumberOfIndex2D(IDispatch *pDisp, int index1, int index2, int *pValue);
};
OBJECT_ENTRY_AUTO(__uuidof(GetJavaScriptArray), CGetJavaScriptArray)
// GetJavaScriptArray.cpp : CGetJavaScriptArray 的实现
#include "stdafx.h"
#include "GetJavaScriptArray.h"
#include
using namespace ATL;
// CGetJavaScriptArray
STDMETHODIMP CGetJavaScriptArray::getArrayValue2D(VARIANT arrayPoints, LONG *result)
{
if(arrayPoints.vt != VT_DISPATCH){*result = 0; return S_FALSE;} //数据类型不是VT_DISPATCH
int len1 = 0;
int len2 = 0;
HRESULT hr = getArrayLength2D(arrayPoints.pdispVal, &len1, &len2);
if(FAILED(hr)){*result = 0; return S_FALSE;}
//----------------------------------------
CString str = _T("CGetJavaScriptArray::getArrayValue2D():\n");
for(long i = 0; i < len1; i++)
{
for(long j = 0; j < len2; j++)
{
int value = -1;
getArrayNumberOfIndex2D(arrayPoints.pdispVal, i, j, &value);
CString str_temp = _T("");
str_temp.Format(_T("a[%d,%d]=%d\n"), i, j, value);
str += str_temp;
}
}
//----------------------------------------
this->MessageBoxW(str, _T("ActiveX获取JavaScript传递的二维数组"), MB_OK);
*result = 1;
return S_OK;
}
//获取Javascript数组长度
HRESULT CGetJavaScriptArray::getArrayLength1D(IDispatch *pDisp, int *pLength)
{
BSTR varName = L"length";
VARIANT varValue;
DISPPARAMS noArgs = {NULL, NULL, 0, 0};
DISPID dispId;
HRESULT hr = 0;
*pLength = 0;
hr = pDisp->GetIDsOfNames(IID_NULL, &varName, 1, LOCALE_USER_DEFAULT, &dispId);
if (FAILED(hr)){return hr;}
hr = pDisp->Invoke(dispId, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET, &noArgs, &varValue, NULL, NULL);
if(SUCCEEDED(hr))
{
*pLength = varValue.intVal;
}
return hr;
}
//获取Javascript数组中指定位置的整数元素值
HRESULT CGetJavaScriptArray::getArrayNumberOfIndex1D(IDispatch *pDisp, int index, int *pValue)
{
CComVariant varName(index, VT_I4); //数组下标
DISPPARAMS noArgs = {NULL, NULL, 0, 0};
DISPID dispId;
VARIANT varValue;
HRESULT hr = 0;
varName.ChangeType(VT_BSTR); //将数组下标转为数字型,以进行GetIDsOfNames
hr = pDisp->GetIDsOfNames(IID_NULL, &varName.bstrVal, 1, LOCALE_USER_DEFAULT, &dispId); //获取通过下标访问数组的过程,将过程名保存在dispId中
if(FAILED(hr)){return hr;}
hr = pDisp->Invoke(dispId, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET, &noArgs, &varValue, NULL, NULL); //调用COM过程,访问指定下标数组元素,根据dispId 将元素值保存在varValue中
if(SUCCEEDED(hr))
{
*pValue = varValue.intVal; //将数组元素按int类型取出
}
return hr;
}
// 设置Javascript数组中指定位置的整数元素值
HRESULT CGetJavaScriptArray::setArrayNumberOfIndex1D(IDispatch *pDisp, int index, int value)
{
CComVariant varName(index, VT_I4);
DISPID dispId;
CComVariant varValue;
HRESULT hr = 0;
varName.ChangeType(VT_BSTR); // 将数组下标转为数字型,以进行GetIDsOfNames
hr = pDisp->GetIDsOfNames(IID_NULL, &varName.bstrVal, 1, LOCALE_USER_DEFAULT, &dispId);
if (FAILED(hr)){return hr;}
DISPID dispidPut = DISPID_PROPERTYPUT; //put操作
DISPPARAMS dispparams;
dispparams.rgvarg = new VARIANTARG[1]; //初始化rgvarg
dispparams.rgvarg[0].vt = VT_I4; //数据类型
dispparams.rgvarg[0].intVal = value; //更新值
dispparams.cArgs = 1; //参数数量
amedArgs = 1; //参数名称
dispparams.rgdispidNamedArgs = &dispidPut; //操作DispId,表明本参数适用于put操作
hr = pDisp->Invoke(dispId, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT, &dispparams, NULL, NULL, NULL);
return hr;
}
//获取Javascript数组长度
HRESULT CGetJavaScriptArray::getArrayLength2D(IDispatch *pDisp, int *pLength1, int *pLength2)
{
BSTR varName = L"length";
VARIANT varValue;
DISPPARAMS noArgs = {NULL, NULL, 0, 0};
DISPID dispId;
HRESULT hr = 0;
*pLength1 = 0;
*pLength2 = 0;
hr = pDisp->GetIDsOfNames(IID_NULL, &varName, 1, LOCALE_USER_DEFAULT, &dispId);
if (FAILED(hr)){return hr;}
hr = pDisp->Invoke(dispId, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET, &noArgs, &varValue, NULL, NULL);
if(SUCCEEDED(hr)){*pLength1 = varValue.intVal;}
//---------获取第二维长度-----------------------
if(*pLength1 > 0)
{
CComVariant varNameIndex(0, VT_I4); //数组下标
varNameIndex.ChangeType(VT_BSTR); //将数组下标转为数字型,以进行GetIDsOfNames
DISPID dispId2;
VARIANT varValue2;
hr = pDisp->GetIDsOfNames(IID_NULL, &varNameIndex.bstrVal, 1, LOCALE_USER_DEFAULT, &dispId2); //获取通过下标访问数组的过程,将过程名保存在dispId中
if(FAILED(hr)){return hr;}
hr = pDisp->Invoke(dispId2, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET, &noArgs, &varValue2, NULL, NULL); //调用COM过程,访问指定下标数组元素,根据dispId 将元素值保存在varValue中
if(FAILED(hr)){return hr;}
if(varValue2.vt != VT_DISPATCH){return S_FALSE;}
IDispatch *pDisp2 = varValue2.pdispVal;
VARIANT varValue3;
DISPPARAMS noArgs = {NULL, NULL, 0, 0};
DISPID dispId3;
hr = pDisp2->GetIDsOfNames(IID_NULL, &varName, 1, LOCALE_USER_DEFAULT, &dispId3);
if(FAILED(hr)){return hr;}
hr = pDisp2->Invoke(dispId3, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET, &noArgs, &varValue3, NULL, NULL);
if(SUCCEEDED(hr)){*pLength2 = varValue3.intVal;}
}else
{
return S_FALSE;
}
return hr;
}
//获取Javascript数组中指定位置的整数元素值
HRESULT CGetJavaScriptArray::getArrayNumberOfIndex2D(IDispatch *pDisp, int index1, int index2, int *pValue)
{
CComVariant varNameIndex1(index1, VT_I4);
CComVariant varNameIndex2(index2, VT_I4);
DISPPARAMS noArgs1 = {NULL, NULL, 0, 0};
DISPID dispId1;
DISPID dispId2;
CComVariant varValue1;
CComVariant varValue2;
HRESULT hr = 0;
varNameIndex1.ChangeType(VT_BSTR); //将数组下标转为数字型,以进行GetIDsOfNames
varNameIndex2.ChangeType(VT_BSTR); //将数组下标转为数字型,以进行GetIDsOfNames
hr = pDisp->GetIDsOfNames(IID_NULL, &varNameIndex1.bstrVal, 1, LOCALE_USER_DEFAULT, &dispId1);
if (FAILED(hr)){return hr;}
hr = pDisp->Invoke(dispId1, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET, &noArgs1, &varValue1, NULL, NULL); //调用COM过程,访问指定下标数组元素,根据dispId 将元素值保存在varValue中
if(FAILED(hr)){return hr;}
if(varValue1.vt != VT_DISPATCH){return S_FALSE;} //varValue2.vt为第二维
//--------------------------------------------
IDispatch *pDisp2 = varValue1.pdispVal;
hr = pDisp2->GetIDsOfNames(IID_NULL, &varNameIndex2.bstrVal, 1, LOCALE_USER_DEFAULT, &dispId2);
if (FAILED(hr)){return hr;}
hr = pDisp2->Invoke(dispId2, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET, &noArgs1, &varValue2, NULL, NULL); //调用COM过程,访问指定下标数组元素,根据dispId 将元素值保存在varValue中
if(FAILED(hr)){return hr;}
*pValue = varValue2.intVal;
return S_OK;
}
对象 GetJavaScriptArray 的 ATL 8.0 测试页
function test()
{
var points = [[175, 42], [289, 72], [216, 64], [301, 131]];
var result = GetJavaScriptArray.getArrayValue2D(points); //将javascript二维数组传递到ActiveX控件中
}
运行结果: