HarmonyOS 鸿蒙Next如何在.cpp文件中调用Hilog打印log

HarmonyOS 鸿蒙Next如何在.cpp文件中调用Hilog打印log

如上操作后编译项目报错

说是找不到OHOSHiLogPrint。

就想问下大佬，如何在cpp文件中打印log？？

完整报错信息如下

15:48:32: Executing task ‘assembleDebug’…

Executing tasks: [assembleDebug]

> Task :entry:preBuild

FAILED: E:/project/MyApplication2/entry/build/intermediates/cmake/debug/obj/arm64-v8a/libhello.so 

cmd.exe /C "cd . && C:\Users\chenjiac\AppData\Local\Huawei\Sdk\native\2.0.1.93\llvm\bin\clang++.exe --target=aarch64-linux-ohos --gcc-toolchain=C:/Users/chenjiac/AppData/Local/Huawei/Sdk/native/2.0.1.93/llvm --sysroot=C:/Users/chenjiac/AppData/Local/Huawei/Sdk/native/2.0.1.93/sysroot -fPIC -g -fdata-sections -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -fno-addrsig -Wa,–noexecstack -Wformat -Werror=format-security   -O0 -fno-limit-debug-info  --rtlib=compiler-rt -fuse-ld=lld -Wl,–build-id=sha1 -Wl,–warn-shared-textrel -Wl,–fatal-warnings -lunwind -Wl,–no-undefined -Qunused-arguments -Wl,-z,noexecstack -shared -Wl,-soname,libhello.so -o E:\project\MyApplication2\entry\build\intermediates\cmake\debug\obj\arm64-v8a\libhello.so CMakeFiles/hello.dir/hello.cpp.o  -lm && cd ."

ld.lld: error: undefined symbol: OHOSHiLogPrint

>>> referenced by hello.cpp:14 (E:/project/MyApplication2/entry/src/main/cpp\hello.cpp:14)

>>>               CMakeFiles/hello.dir/hello.cpp.o:(Java_com_gizwits_opensource_myapplication_slice_MainAbilitySlice_stringFromJNI)

clang++: error: linker command failed with exit code 1 (use -v to see invocation)

ninja: build stopped: subcommand failed.

Cmake thread

org.gradle.api.GradleException: native build cmake execute failed

at com.huawei.ohos.build.utils.ProcessUtils.processWait(ProcessUtils.groovy:104)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy:90)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy)

at com.huawei.ohos.build.utils.ProcessUtils$execute$1.callCurrent(Unknown Source)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy:66)

at com.huawei.ohos.build.utils.ProcessUtils$execute$0.callCurrent(Unknown Source)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy:62)

at com.huawei.ohos.build.utils.ProcessUtils$execute.call(Unknown Source)

at com.huawei.ohos.build.dsl.CmakeThread.executeCmakeBuild(CmakeThread.groovy:106)

at com.huawei.ohos.build.dsl.CmakeThread.run(CmakeThread.groovy:58)

Exception in thread “Thread-2149” org.gradle.api.GradleException: native build cmake execute failed

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:80)

at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:105)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:249)

at com.huawei.ohos.build.utils.ProcessUtils.processWait(ProcessUtils.groovy:104)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.codehaus.groovy.runtime.callsite.PlainObjectMetaMethodSite.doInvoke(PlainObjectMetaMethodSite.java:43)

at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:190)

at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:58)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:184)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy:90)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy)

at com.huawei.ohos.build.utils.ProcessUtils$execute$1.callCurrent(Unknown Source)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy:66)

at com.huawei.ohos.build.utils.ProcessUtils$execute$0.callCurrent(Unknown Source)

at com.huawei.ohos.build.utils.ProcessUtils.execute(ProcessUtils.groovy:62)

at com.huawei.ohos.build.utils.ProcessUtils$execute.call(Unknown Source)

at com.huawei.ohos.build.dsl.CmakeThread.executeCmakeBuild(CmakeThread.groovy:106)

at com.huawei.ohos.build.dsl.CmakeThread.run(CmakeThread.groovy:58)

> Task :entry:compileDebugNativeWithCmake FAILED

FAILURE: Build failed with an exception.

* What went wrong:

Execution failed for task ‘:entry:compileDebugNativeWithCmake’.

> native build cmake execute failed

* Try:

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.

Use ‘–warning-mode all’ to show the individual deprecation warnings.

See https://docs.gradle.org/6.3/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 15s

2 actionable tasks: 2 executed

15:48:47: Task execution finished ‘assembleDebug’.