Код в .js
файле:
var fact = function(x){
return WeatherWebService(x);
}
Нативные методы Objective-C:
- (IBAction)btnOkClicked:(id)sender
{
[self.aJSEngine loadJSLibrary:@"script"];
}
- (void)loadJSLibrary:(NSString*)libraryName
{
NSString *library = [NSString stringWithContentsOfFile:[[NSBundle mainBundle] pathForResource:libraryName ofType:@"js"] encoding:NSUTF8StringEncoding error:nil];
NSLog(@"[JSC] loading library %@...", libraryName);
[self runJS:library];
}
- (void)runJS:(NSString *)aJSString
{
if (!aJSString) {
NSLog(@"[JSC] JS String is empty!");
}
else{
JSContext *context = [[JSContext alloc]initWithVirtualMachine:[[JSVirtualMachine alloc]init]];
context[@"WeatherWebService"] = ^(int x){
NSDictionary *dict = [self callingWeatherFromJavascript];
return dict;
};
[context evaluateScript:aJSString];
JSValue *val = context[@"fact"];
JSValue *finalResult = [val callWithArguments:@[context[@"3"]]];
}
}
-(NSDictionary*)callingWeatherFromJavascript{
NSString *urlString = @"http://api.openweathermap.org/data/2.5/weather?q=London,uk";
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]];
__block BOOL complete = NO;
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
operation.responseSerializer = [AFJSONResponseSerializer serializer];
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
// 3
self.dictionary = (NSDictionary *)responseObject;
complete=YES;
// NSDictionary *dict = [self.dictionary objectForKey:@"main"];
// if ([self.delegate respondsToSelector:@selector(returnDataFromResponse:)]) {
// [self.delegate returnDataFromResponse:dict];
// }
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
// 4
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error Retrieving Weather"
message:[error localizedDescription]
delegate:nil
cancelButtonTitle:@"Ok"
otherButtonTitles:nil];
complete=NO;
[alertView show];
}];
// 5
[operation start];
while(complete == NO) {
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
}
return self.dictionary;
}
В приведенном выше коде метод 'callingWeatherFromJavascript'
возвращает NSDictionary
. Когда я получаю это значение в «JSValue» в функции '-(void)runJS'
, оно возвращает [object Object]
. Есть ли способ преобразовать это обратно в NSDictionary
?
[finalResult toDictionary]
? - person Amozoss   schedule 16.05.2014