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分享这种错误是怎么回事?
我在头文件中定义这么一个成员函数:
void UpdateList(_bstr_t sql="select * from soft");
编译的出错提示为:
error C2061: syntax error : identifier '_bstr_t'
这是什么地方的问题?
void UpdateList(_bstr_t sql="select * from soft");
编译的出错提示为:
error C2061: syntax error : identifier '_bstr_t'
这是什么地方的问题?
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xgwx 2004-07-16
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好的!多谢各位!!
chsilence 2004-07-16
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_bstr_t是COM专用的，你当然要包括COM文件了
xgwx 2004-07-16
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OK!!!问题解决了!求教sinsou可不可以解释一下为什么会这样?
sinsou 2004-07-16
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使用前加上
#include <comutil.h>
#pragma comment(lib, "comsupp.lib")
#include <comutil.h>
#pragma comment(lib, "comsupp.lib")
xgwx 2004-07-16
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不明白?
可不可以针对我这个说明一下?
可不可以针对我这个说明一下?
windyloft 2004-07-16
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Compiler Error C2061
syntax error : identifier 'identifier'
The compiler found identifier where it was not expected. This error can be caused by enclosing an initializer in parentheses. The error can be avoided by enclosing the declarator in parentheses or making it a typedef. The following example causes this error and shows two fixes:
class X {};
class Y {};
class Z {};
class W : public X, public Y, public Z {};
void func ( W* pW )
{
X* pX ( pW ); // Error: unexpected identifier 'pW'
Y ( *pY ) ( pW ); // OK, declarator in parentheses
typedef Z *pZ_t;
pZ_t pZ ( pW ); // OK, typedef used for Z
}
syntax error : identifier 'identifier'
The compiler found identifier where it was not expected. This error can be caused by enclosing an initializer in parentheses. The error can be avoided by enclosing the declarator in parentheses or making it a typedef. The following example causes this error and shows two fixes:
class X {};
class Y {};
class Z {};
class W : public X, public Y, public Z {};
void func ( W* pW )
{
X* pX ( pW ); // Error: unexpected identifier 'pW'
Y ( *pY ) ( pW ); // OK, declarator in parentheses
typedef Z *pZ_t;
pZ_t pZ ( pW ); // OK, typedef used for Z
}
