js调用oc方法 传参数

// MyOCModule.h
#import <React/RCTBridgeModule.h>

@interface MyOCModule : NSObject <RCTBridgeModule>
@end

// MyOCModule.m
#import "MyOCModule.h"

@implementation MyOCModule

RCT_EXPORT_MODULE();

RCT_EXPORT_METHOD(callOCMethod:(NSString *)param callback:(RCTResponseSenderBlock)callback) {
  // 处理参数
  NSString *result = [NSString stringWithFormat:@"OC received: %@", param];
  
  // 调用回调，返回结果给JS
  callback(@[result]);
}

@end

#import <React/RCTBridge.h>
#import <React/RCTBundleURLProvider.h>
#import <React/RCTRootView.h>
#import "MyOCModule.h"

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
  RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self launchOptions:launchOptions];
  RCTRootView *rootView = [[RCTRootView alloc] initWithBridge:bridge moduleName:@"MyApp" initialProperties:nil];

  // 注册模块
  [bridge moduleForClass:[MyOCModule class]];

  // 其他初始化代码...

  return YES;
}

@end

import { NativeModules } from 'react-native';

const { MyOCModule } = NativeModules;

MyOCModule.callOCMethod('Hello from JS', (result) => {
  console.log(result); // 输出: OC received: Hello from JS
});