无星的小窝

#pragma mark --第三方跳转进入这里(新)
-(BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {
//  NSLog(@"url ====%@",url);
  thirdViewController *vc = [thirdViewController sharedthirdViewController];
  vc.url = url;
  
  UIViewController *topViewCtrl = self.nav.topViewController;
  if ([topViewCtrl isKindOfClass:[thirdViewController class]]) {  //判断是否在最顶层
    [vc thirdSign];
  }else{
    [self.nav pushViewController:vc animated:YES];
    [vc thirdSign];
  }
  return YES;
}

//申明返回的结果是json类型
  
  manager.responseSerializer = [AFJSONResponseSerializer serializer];
  
  //申明请求的数据是json类型
  
  manager.requestSerializer=[AFJSONRequestSerializer serializer];
  
  //  /如果报接受类型不一致请替换一致text/html或别的
  
  [manager.requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Accept"];
  [manager.requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
  [manager.requestSerializer setValue:value forHTTPHeaderField:key];
  [manager.requestSerializer setValue: value forHTTPHeaderField:key];
  [manager.requestSerializer setValue: value forHTTPHeaderField:key];
  

__block NSString *longitude; // __block,静态变量
[self.manager POST:URL parameters:params success:^(NSURLSessionDataTask * _Nonnull task, id  _Nonnull responseObject) {
  
  NSDictionary *locDictionary = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableLeaves error:nil];
  longitude = [locDictionary objectForKey:@"lon"]; // 纠正后经度
  
  if (finishBlock)
  {
    finishBlock(longitude, nil);
  }
  
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
  NSLog(@"%@", error);
  if (finishBlock)
  {
    finishBlock(nil, error);
  }
}];

backgroundColor:'transparent',

 RCTPromiseResolveBlock resolveA
 RCTPromiseResolveBlock resolveB
 RCTPromiseResolveBlock resolveC
 RCTPromiseResolveBlock resolveD

RCTPromiseRejectBlock rejectA
RCTPromiseRejectBlock rejectB
RCTPromiseRejectBlock rejectC
RCTPromiseRejectBlock rejectD

[self sendEventWithName:@"EventReminder" body:@{@"name": eventName}];

//.m文件
- (NSArray<NSString *> *)supportedEvents
{
  return @[@"EventReminder"];
}

[self sendEventWithName:@"消息名" body:参数];

bridge is not set. This is probably because you've "
            "explicitly synthesized the bridge in %@, even though it's inherited "
            "from RCTEventEmitter.

Request failed: unacceptable content-type: text/html

self.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript", nil];

self.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript", @"text/html",nil];

manager.requestSerializer = [AFHTTPRequestSerializer serializer];
manager.responseSerializer = [AFJSONResponseSerializer serializer];
manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript",@"text/html",@"text/plain", nil];

//RNruniOS.h文件
#import <Foundation/Foundation.h>
#import "React/RCTBridgeModule.h"
@interface RNruniOS : NSObject<RCTBridgeModule>

@end

//RNruniOS.m文件
#import "RNruniOS.h"
//RCTConvert提供了一系列辅助函数，用来接收一个JSON值并转换到原生Objective-C类型或类。
#import "React/RCTConvert.h"
@implementation RNruniOS

//为了实现RCTBridgeModule协议，需要包含RCT_EXPORT_MODULE()宏。
//这个宏也可以添加一个参数用来指定在Javascript中访问这个模块的名字。
//如果不指定，默认就会使用这个Objective-C类的名字。
RCT_EXPORT_MODULE()

//通过RCT_EXPORT_METHOD()宏声明要给Javascript导出的方法，否则React Native不会导出任何方法。
RCT_EXPORT_METHOD(RNiOSLog:(NSString*)msg)
{
  NSLog(@"RN调用iOS打印方法信息是%@",msg);
}

@end

//RN调用iOS原生方法,定义一个变量
var RNruniOS = NativeModules.RNruniOS;

//RN调用原生方法
 RNruniOS.RNiOSLog('RN调用iOS打印方法成功。');

react-native init MyApp --version 0.44.3

cd MyApp

react-native run-ios

react-native run-android

    NSString *arrString = [jsonDic valueForKey:@"XXX"];
    
    if ([arrString isKindOfClass:[NSString class]]) {
        NSLog(@"NSString类");
    }else if([arrString isKindOfClass:[NSArray class]]){
        NSLog(@"NSArray类");
    }

//如果是单引号加上这句    
    NSString *str3 = [arrString stringByReplacingOccurrencesOfString:@"'" withString:@"\""];
    
    NSData *arrData = [str3 dataUsingEncoding:NSUTF8StringEncoding];//也可以试试NSASCIIStringEncoding
    NSArray *array = [self toArrayOrNSDictionary:arrData];

#pragma mark -- 将JSON串转化为NSDictionary或NSArray
- (id)toArrayOrNSDictionary:(NSData *)jsonData{
    NSError *error = nil;
    id jsonObject = [NSJSONSerialization JSONObjectWithData:jsonData
                                                    options:NSJSONReadingAllowFragments
                                                      error:&error];
    
    if (jsonObject != nil && error == nil){
        return jsonObject;
    }else{
        // 解析错误
        return nil;
    }
}

HashMapreMap =newHashMap();

try{

JSONObject jsonobject=newJSONObject(response);

Iterator i=jsonobject.keys();

while(i.hasNext()){

String key = (String) i.next();

String values=jsonobject.getString(key);

reMap.put(key,values);

}

}catch(JSONException e) {

e.printStackTrace();

}