{"id":40806,"date":"2025-05-30T11:15:32","date_gmt":"2025-05-30T03:15:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/40806.html"},"modified":"2025-05-30T11:15:32","modified_gmt":"2025-05-30T03:15:32","slug":"libopnedrive-cmake%e5%af%b9moduleopendrive%e9%85%8d%e7%bd%ae%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/40806.html","title":{"rendered":"libOpnedrive-CMake\u5bf9ModuleOpenDrive\u914d\u7f6e\u53c2\u6570"},"content":{"rendered":"

set_target_properties<\/span>(<\/span>ModuleOpenDrive PROPERTIES LINK_FLAGS "\\\\
\n –bind \\\\
\n -s ENVIRONMENT=web \\\\
\n -s MODULARIZE=1 \\\\
\n -s EXPORT_NAME='\\\\"libOpenDrive\\\\"' \\\\
\n -s EXPORTED_RUNTIME_METHODS='[\\\\"cwrap\\\\"]' \\\\
\n -s FORCE_FILESYSTEM=1 \\\\
\n -s ALLOW_MEMORY_GROWTH=1 \\\\
\n "<\/span>)<\/span><\/p>\n

\u660e\u767d\u4e86！\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u5b8c\u6574\u7684\u793a\u4f8b，\u6765\u6f14\u793a\u6bcf\u4e2a Emscripten \u53c2\u6570\u7684\u4f5c\u7528，\u5e76\u4e14\u5206\u522b\u5c55\u793a\u52a0\u4e0a\u548c\u53bb\u6389\u8fd9\u4e9b\u53c2\u6570\u540e\u7684\u5f71\u54cd\u3002<\/p>\n

\n

\u793a\u4f8b\u9879\u76ee\u7ed3\u6784<\/h3>\n

wasm-demo\/
\n\u251c\u2500\u2500 src\/
\n\u2502 \u2514\u2500\u2500 main.cpp
\n\u251c\u2500\u2500 CMakeLists.txt
\n\u2514\u2500\u2500 index.html<\/p>\n

1. src\/main.cpp（C++ \u6e90\u7801）<\/h4>\n

#<\/span>include<\/span> <emscripten\/bind.h><\/span><\/span>
\n#<\/span>include<\/span> <iostream><\/span><\/span>
\n#<\/span>include<\/span> <string><\/span><\/span><\/p>\n

using<\/span> namespace<\/span> emscripten;<\/span><\/p>\n

\/\/ \u793a\u4f8b\u7c7b：\u7528\u4e8e Embind \u6d4b\u8bd5<\/span>
\nclass<\/span> Greeter<\/span> {<\/span>
\npublic<\/span>:<\/span>
\n Greeter<\/span>(<\/span>const<\/span> std::<\/span>string&<\/span> name)<\/span> :<\/span> name<\/span>(<\/span>name)<\/span> {<\/span>}<\/span>
\n std::<\/span>string greet<\/span>(<\/span>)<\/span> const<\/span> {<\/span> return<\/span> "Hello, "<\/span> +<\/span> name;<\/span> }<\/span>
\nprivate<\/span>:<\/span>
\n std::<\/span>string name;<\/span>
\n}<\/span>;<\/span><\/p>\n

\/\/ \u793a\u4f8b\u51fd\u6570：\u7528\u4e8e cwrap \u6d4b\u8bd5<\/span>
\nextern<\/span> "C"<\/span> {<\/span>
\n int<\/span> add<\/span>(<\/span>int<\/span> a,<\/span> int<\/span> b)<\/span> {<\/span>
\n return<\/span> a +<\/span> b;<\/span>
\n }<\/span><\/p>\n

const<\/span> char<\/span>*<\/span> sayHello<\/span>(<\/span>const<\/span> char<\/span>*<\/span> name)<\/span> {<\/span>
\n static<\/span> std::<\/span>string result;<\/span>
\n result =<\/span> "Hello from C++: "<\/span> +<\/span> std::<\/span>string<\/span>(<\/span>name)<\/span>;<\/span>
\n return<\/span> result.<\/span>c_str<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\/\/ \u4f7f\u7528 Embind \u5bfc\u51fa\u7c7b\u548c\u65b9\u6cd5<\/span>
\nEMSCRIPTEN_BINDINGS<\/span>(<\/span>my_module)<\/span> {<\/span>
\n class_<\/span><<\/span>Greeter><\/span><\/span><\/span>(<\/span>"Greeter"<\/span>)<\/span>
\n .<\/span>constructor<\/span><<\/span>std::<\/span>string><\/span><\/span><\/span>(<\/span>)<\/span>
\n .<\/span>function<\/span>(<\/span>"greet"<\/span>,<\/span> &<\/span>Greeter::<\/span>greet)<\/span>;<\/span>
\n}<\/span><\/p>\n

2. CMakeLists.txt<\/h4>\n

cmake_minimum_required(VERSION 3.13.4)
\nproject(ModuleOpenDrive)<\/p>\n

add_executable(ModuleOpenDrive
\n src\/main.cpp
\n)<\/p>\n

# \u8bbe\u7f6e\u7f16\u8bd1\u5668\u4e3a Emscripten
\nset(CMAKE_CXX_COMPILER_WORKS TRUE)
\nset(CMAKE_C_COMPILER_WORKS TRUE)<\/p>\n

# \u9ed8\u8ba4\u914d\u7f6e，\u4e0d\u52a0\u4efb\u4f55\u989d\u5916\u53c2\u6570
\n# set_target_properties(ModuleOpenDrive PROPERTIES LINK_FLAGS "\\\\
\n# –bind \\\\
\n# -s ENVIRONMENT=web \\\\
\n# -s MODULARIZE=1 \\\\
\n# -s EXPORT_NAME='\\\\"libOpenDrive\\\\"' \\\\
\n# -s EXPORTED_RUNTIME_METHODS='[\\\\"cwrap\\\\"]' \\\\
\n# -s FORCE_FILESYSTEM=1 \\\\
\n# -s ALLOW_MEMORY_GROWTH=1 \\\\
\n# ")<\/p>\n

set_target_properties(ModuleOpenDrive PROPERTIES SUFFIX ".js")<\/p>\n

3. index.html（JS \u8c03\u7528\u793a\u4f8b）<\/h4>\n

<!<\/span>DOCTYPE<\/span> html<\/span>><\/span><\/span>
\n<<\/span>html<\/span> lang<\/span>=<\/span>"<\/span>en"<\/span><\/span>><\/span><\/span>
\n<<\/span>head<\/span>><\/span><\/span>
\n <<\/span>meta<\/span> charset<\/span>=<\/span>"<\/span>UTF-8"<\/span><\/span> \/><\/span><\/span>
\n <<\/span>title<\/span>><\/span><\/span>Emscripten Demo<\/<\/span>title<\/span>><\/span><\/span>
\n<\/<\/span>head<\/span>><\/span><\/span>
\n<<\/span>body<\/span>><\/span><\/span>
\n <<\/span>h1<\/span>><\/span><\/span>WebAssembly Demo<\/<\/span>h1<\/span>><\/span><\/span>
\n <<\/span>script<\/span> src<\/span>=<\/span>"<\/span>ModuleOpenDrive.js"<\/span><\/span>><\/span><\/span><\/span><\/<\/span>script<\/span>><\/span><\/span>
\n <<\/span>script<\/span>><\/span><\/span>
\n \/\/ \u6ce8\u610f：\u8fd9\u91cc\u5047\u8bbe\u6ca1\u6709\u4f7f\u7528 MODULARIZE \u548c EXPORT_NAME \u53c2\u6570<\/span>
\n Module.<\/span>onRuntimeInitialized<\/span> =<\/span> function<\/span>(<\/span>)<\/span> {<\/span>
\n console.<\/span>log<\/span>(<\/span>'Module loaded'<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u4f7f\u7528 Embind \u7c7b<\/span>
\n let<\/span> greeter =<\/span> new<\/span> Module.<\/span>Greeter<\/span>(<\/span>"World"<\/span>)<\/span>;<\/span>
\n console.<\/span>log<\/span>(<\/span>greeter.<\/span>greet<\/span>(<\/span>)<\/span>)<\/span>;<\/span> \/\/ \u8f93\u51fa: Hello, World<\/span><\/p>\n

\/\/ \u4f7f\u7528 cwrap \u5c01\u88c5\u51fd\u6570<\/span>
\n const<\/span> sayHello =<\/span> Module.<\/span>cwrap<\/span>(<\/span>'sayHello'<\/span>,<\/span> 'string'<\/span>,<\/span> [<\/span>'string'<\/span>]<\/span>)<\/span>;<\/span>
\n console.<\/span>log<\/span>(<\/span>sayHello<\/span>(<\/span>"Alice"<\/span>)<\/span>)<\/span>;<\/span> \/\/ \u8f93\u51fa: Hello from C++: Alice<\/span><\/p>\n

\/\/ \u76f4\u63a5\u8c03\u7528 _ \u51fd\u6570<\/span>
\n console.<\/span>log<\/span>(<\/span>Module.<\/span>_add<\/span>(<\/span>2<\/span>,<\/span> 3<\/span>)<\/span>)<\/span>;<\/span> \/\/ \u8f93\u51fa: 5<\/span>
\n }<\/span>;<\/span>
\n <\/span><\/span><\/<\/span>script<\/span>><\/span><\/span>
\n<\/<\/span>body<\/span>><\/span><\/span>
\n<\/<\/span>html<\/span>><\/span><\/span><\/p>\n

\n

\u9010\u4e2a\u53c2\u6570\u8bf4\u660e\u4e0e demo<\/h3>\n

1. –bind<\/h4>\n

\u542b\u4e49：<\/h5>\n

\u542f\u7528 Embind \u529f\u80fd，\u5141\u8bb8\u5c06 C++ \u7c7b\u5bfc\u51fa\u7ed9 JavaScript\u3002<\/p>\n

\u52a0\u4e0a\u4e4b\u540e：<\/h5>\n