添加调用native so的共享库

native_lib/src/main/cpp/CMakeLists.txt

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+# the minimum version of CMake.
+cmake_minimum_required(VERSION 3.4.1)
+project(myNpmLib)
+
+set(NATIVERENDER_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+
+if(DEFINED PACKAGE_FIND_FILE)
+    include(${PACKAGE_FIND_FILE})
+endif()
+
+include_directories(${NATIVERENDER_ROOT_PATH}
+                    ${NATIVERENDER_ROOT_PATH}/include)
+
+add_library(native_lib SHARED napi_init.cpp)
+
+target_link_libraries(native_lib PUBLIC ../../../../cppLib/dist/lib/arm64-v8a)

native_lib/src/main/cpp/Calculate.h

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+//
+// Created on 2024/4/22.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#ifndef HM4DEMO_CALCULATE_H
+#define HM4DEMO_CALCULATE_H
+
+#include <string>
+struct CalculateInfo {
+    std::string name;
+    std::string versionName;
+    int versionCode;
+};
+
+class Calculate {
+public:
+    static Calculate& getInstance();
+    int add(int a, int b);
+    CalculateInfo getInfo();
+};
+#endif //HM4DEMO_CALCULATE_H

native_lib/src/main/cpp/Calculator.cpp

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+//
+// Created on 2024/4/22.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#include "Calculator.h"
+#include "Calculate.h"
+
+Calculator::Calculator() { 
+    _calculate = &Calculate::getInstance(); 
+}
+
+Calculator::~Calculator() {
+    
+}
+
+Calculator *util_get_napi_info(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv) 
+{
+    napi_value thisVar = nullptr;
+    void *data = nullptr;
+    napi_get_cb_info(env, cbinfo, &argc, argv, &thisVar, &data);
+    Calculator *calculator = nullptr;
+    napi_unwrap(env, thisVar, (void **)&calculator);
+    return calculator;
+}
+
+Calculate *util_get_napi_calculate(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv) 
+{
+    Calculator *calculator = util_get_napi_info(env, cbinfo, argc, argv);
+    if (calculator) {
+        return calculator->_calculate;
+    }
+    return nullptr;
+}
+
+napi_value calculate_add(napi_env env, napi_callback_info info) {
+    size_t argc = 2;
+    napi_value argv[2] = {0};
+    Calculator *calculator = util_get_napi_info(env, info, argc, argv);
+
+    int32_t result = 0;
+    napi_status a = napi_ok;
+    a = napi_get_value_int32(env, argv[0], &result);
+
+    napi_status b = napi_ok;
+    b = napi_get_value_int32(env, argv[1], &result);
+    
+    napi_value value;
+    napi_create_int32(env, calculator->_calculate->add(a, b), &value);
+    return value;
+}
+
+CalculateInfo calculate_getInfo(napi_env env, napi_callback_info info) {
+    size_t argc = 0;
+    napi_value argv[1] = {0};
+    Calculator *calculator = util_get_napi_info(env, info, argc, argv);
+    
+    CalculateInfo info2;
+    info2.name = calculator->_calculate->getInfo().name;
+    info2.versionCode = calculator->_calculate->getInfo().versionCode;
+    info2.versionName = calculator->_calculate->getInfo().versionName;
+    
+    napi_value value;
+}

native_lib/src/main/cpp/Calculator.h

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+//
+// Created on 2024/4/22.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#ifndef HM4DEMO_CALCULATOR_H
+#define HM4DEMO_CALCULATOR_H
+
+#include "Calculate.h"
+#include "js_native_api.h"
+
+class Calculator {
+public:
+    Calculator();
+    ~Calculator();
+    Calculate *_calculate;
+};
+
+Calculator *util_get_napi_info(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv);
+Calculate *util_get_napi_calculate(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv);
+
+int add(int a, int b);
+CalculateInfo getInfo();
+
+
+#endif //HM4DEMO_CALCULATOR_H

native_lib/src/main/cpp/napi_init.cpp

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+#include "napi/native_api.h"
+#include "Calculator.h"
+
+static napi_value Add(napi_env env, napi_callback_info info)
+{
+    size_t requireArgc = 2;
+    size_t argc = 2;
+    napi_value args[2] = {nullptr};
+
+    napi_get_cb_info(env, info, &argc, args , nullptr, nullptr);
+
+    napi_valuetype valuetype0;
+    napi_typeof(env, args[0], &valuetype0);
+
+    napi_valuetype valuetype1;
+    napi_typeof(env, args[1], &valuetype1);
+
+    double value0;
+    napi_get_value_double(env, args[0], &value0);
+
+    double value1;
+    napi_get_value_double(env, args[1], &value1);
+
+    napi_value sum;
+    napi_create_double(env, value0 + value1, &sum);
+
+    return sum;
+
+}
+
+EXTERN_C_START
+napi_value Init(napi_env env, napi_value exports)
+{
+    napi_property_descriptor desc[] = {{"add", nullptr, Calculator::add, nullptr, nullptr, nullptr, napi_default, nullptr},
+                                       {"getInfo", nullptr, GetInfo, nullptr, nullptr, nullptr, napi_default, nullptr},
+    {"getInstance", nullptr, GetInstance, nullptr, nullptr, nullptr, napi_default, nullptr}};
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
+    return exports;
+}
+EXTERN_C_END
+
+static napi_module demoModule = {
+    .nm_version = 1,
+    .nm_flags = 0,
+    .nm_filename = nullptr,
+    .nm_register_func = Init,
+    .nm_modname = "native_lib",
+    .nm_priv = ((void*)0),
+    .reserved = { 0 },
+};
+
+extern "C" __attribute__((constructor)) void RegisterNatvie_libModule(void)
+{
+    napi_module_register(&demoModule);
+}

native_lib/src/main/cpp/types/libnatvie_lib/index.d.ts

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+export class Calculate {
+  add(a: number, b: number): number;
+  static getInstance(): Calculate;
+  getInfo(): Object;
+}

native_lib/src/main/cpp/types/libnatvie_lib/oh-package.json5

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+{
+  "name": "native_lib_lib.so",
+  "types": "./index.d.ts",
+  "version": "",
+  "description": "Please describe the basic information."
+}

native_lib/src/main/ets/pages/Index.ets

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+import { hilog } from '@kit.PerformanceAnalysisKit';
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}

native_lib/src/main/ets/utils/Calc.ets

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+import { Calculate } from 'libnatvie_lib.so';
+
+export class Calculator {
+
+    static add(a: number, b:number) : number {
+        return Calculate.add(a, b);
+    }
+}

native_lib/src/main/module.json5

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+{
+  "module": {
+    "name": "native_lib",
+    "type": "shared",
+    "description": "$string:shared_desc",
+    "deviceTypes": [
+      "phone",
+      "tablet",
+      "2in1"
+    ],
+    "deliveryWithInstall": true,
+    "pages": "$profile:main_pages"
+  }
+}

native_lib/src/main/resources/base/element/color.json

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+{
+  "color": [
+    {
+      "name": "white",
+      "value": "#FFFFFF"
+    }
+  ]
+}

native_lib/src/main/resources/base/element/string.json

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+{
+  "string": [
+    {
+      "name": "shared_desc",
+      "value": "description"
+    }
+  ]
+}

native_lib/src/main/resources/base/profile/main_pages.json

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+{
+  "src": [
+    "pages/Index"
+  ]
+}