c++ - 我的项目在 vs2008 中编译没有任何问题，但在 2010 中却没有？

Question

我有一个 C++ 项目，它在 2008 年可以正常编译，但在 2010 年就无法编译。

在 2010 年，如果我将它的字符集更改为多字节，它会编译，但没有字符串可以正常工作可以准确描述它发生了什么，如果我不更改它，则会出现以下代码错误和警告。

在 2008 年，它编译并运行良好，没有出现任何问题。

我在 C++ 方面不是很聪明，所以如果可能的话，一个易于理解的尽可能详细的响应将非常有助于我理解正在发生的事情并可能修复它。

以下是非多字节时的错误和警告:

    12  IntelliSense: argument of type "char *" is incompatible with parameter of type "LPCWSTR"
    13  IntelliSense: argument of type "char *" is incompatible with parameter of type "LPCWSTR"
Error   10  error C2664: 'URLDownloadToFileW' : cannot convert parameter 2 from 'char [255]' to 'LPCWSTR'
Error   2   error C2664: 'strcmp' : cannot convert parameter 1 from 'WCHAR [256]' to 'const char *'
Error   3   error C2664: 'SetConsoleTitleW' : cannot convert parameter 1 from 'const char [11]' to 'LPCWSTR'
Error   4   error C2664: 'GetModuleHandleW' : cannot convert parameter 1 from 'const char [9]' to 'LPCWSTR'
Error   5   error C2664: 'GetModuleHandleW' : cannot convert parameter 1 from 'const char [9]' to 'LPCWSTR'
Error   11  error C2664: 'GetModuleHandleW' : cannot convert parameter 1 from 'const char [15]' to 'LPCWSTR'
Error   6   error C2664: 'CreateEventW' : cannot convert parameter 4 from 'const char [20]' to 'LPCWSTR'
Error   9   error C2664: 'CCmdHandler::AddMessageBytes' : cannot convert parameter 1 from 'TCHAR *' to 'char *'
Error   7   error C2440: 'initializing' : cannot convert from 'const char [16]' to 'LPTSTR'
Error   8   error C2440: 'initializing' : cannot convert from 'const char [16]' to 'LPTSTR'
Error   1   error C2440: '<function-style-cast>' : cannot convert from 'WCHAR [256]' to 'std::string'

C++ 项目文件:

<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
    ProjectType="Visual C++"
    Version="9.00"
    Name="TheProject"
    ProjectGUID="{96791392-AA33-4460-BFEA-D766216ECAA8}"
    RootNamespace="TheProject"
    Keyword="Win32Proj"
    TargetFrameworkVersion="196613"
    >
    <Platforms>
        <Platform
            Name="Win32"
        />
    </Platforms>
    <ToolFiles>
    </ToolFiles>
    <Configurations>
        <Configuration
            Name="Debug|Win32"
            OutputDirectory="$(SolutionDir)$(ConfigurationName)"
            IntermediateDirectory="$(ConfigurationName)"
            ConfigurationType="2"
            CharacterSet="1"
            >
            <Tool
                Name="VCPreBuildEventTool"
            />
            <Tool
                Name="VCCustomBuildTool"
            />
            <Tool
                Name="VCXMLDataGeneratorTool"
            />
            <Tool
                Name="VCWebServiceProxyGeneratorTool"
            />
            <Tool
                Name="VCMIDLTool"
            />
            <Tool
                Name="VCCLCompilerTool"
                Optimization="0"
                PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;THEPROJECT_EXPORTS;LOGTOCONSOLE"
                MinimalRebuild="true"
                BasicRuntimeChecks="3"
                RuntimeLibrary="3"
                UsePrecompiledHeader="2"
                WarningLevel="3"
                DebugInformationFormat="4"
            />
            <Tool
                Name="VCManagedResourceCompilerTool"
            />
            <Tool
                Name="VCResourceCompilerTool"
            />
            <Tool
                Name="VCPreLinkEventTool"
            />
            <Tool
                Name="VCLinkerTool"
                LinkIncremental="2"
                GenerateDebugInformation="true"
                SubSystem="2"
                TargetMachine="1"
            />
            <Tool
                Name="VCALinkTool"
            />
            <Tool
                Name="VCManifestTool"
            />
            <Tool
                Name="VCXDCMakeTool"
            />
            <Tool
                Name="VCBscMakeTool"
            />
            <Tool
                Name="VCFxCopTool"
            />
            <Tool
                Name="VCAppVerifierTool"
            />
            <Tool
                Name="VCPostBuildEventTool"
            />
        </Configuration>
        <Configuration
            Name="Release|Win32"
            OutputDirectory="$(SolutionDir)$(ConfigurationName)"
            IntermediateDirectory="$(ConfigurationName)"
            ConfigurationType="2"
            CharacterSet="2"
            WholeProgramOptimization="1"
            >
            <Tool
                Name="VCPreBuildEventTool"
            />
            <Tool
                Name="VCCustomBuildTool"
            />
            <Tool
                Name="VCXMLDataGeneratorTool"
            />
            <Tool
                Name="VCWebServiceProxyGeneratorTool"
            />
            <Tool
                Name="VCMIDLTool"
            />
            <Tool
                Name="VCCLCompilerTool"
                AdditionalOptions="-D_SCL_SECURE_NO_WARNINGS"
                Optimization="0"
                InlineFunctionExpansion="1"
                EnableIntrinsicFunctions="true"
                FavorSizeOrSpeed="1"
                AdditionalIncludeDirectories="&quot;C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Include&quot;"
                PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;THEPROJECT_EXPORT;LOGTOCONSOLE"
                ExceptionHandling="2"
                RuntimeLibrary="2"
                BufferSecurityCheck="false"
                EnableFunctionLevelLinking="false"
                UsePrecompiledHeader="2"
                WarningLevel="3"
                DebugInformationFormat="3"
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            <Tool
                Name="VCManagedResourceCompilerTool"
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                Name="VCResourceCompilerTool"
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            <Tool
                Name="VCPreLinkEventTool"
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            <Tool
                Name="VCLinkerTool"
                LinkIncremental="1"
                AdditionalLibraryDirectories="..\lib"
                GenerateDebugInformation="false"
                SubSystem="2"
                OptimizeReferences="2"
                EnableCOMDATFolding="2"
                TargetMachine="1"
            />
            <Tool
                Name="VCALinkTool"
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            <Tool
                Name="VCManifestTool"
            />
            <Tool
                Name="VCXDCMakeTool"
            />
            <Tool
                Name="VCBscMakeTool"
            />
            <Tool
                Name="VCFxCopTool"
            />
            <Tool
                Name="VCAppVerifierTool"
            />
            <Tool
                Name="VCPostBuildEventTool"
            />
        </Configuration>
    </Configurations>
    <References>
    </References>
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            Name="Quelldateien"
            Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
            UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
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</VisualStudioProject>

Answer 1

您的代码似乎不是为处理 UNICODE 字符串而编写的。所以你应该检查你的项目设置并在“常规”部分验证你使用的是哪个“字符集”。我想你有“使用 Unicode 字符集”，但你需要将它更改为“未设置”。 “使用多字节字符集”就不一样了。