json交互时,要考虑不同语言下对几种常用类型的处理,比如oc中对boolean布尔型的处理,直接用boolValue去处理true/false是没有问题的,但换成True或者TRUE,就有问题了,所以,需要考虑清楚用哪种类型来交互,参考代码:

NSString *jsonString=@"{\"result\":true,\"status\":\"success\",\"number\":0}";

 

    NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];

    NSError *err;

    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData

                                                        options:NSJSONReadingMutableContainers

                                                          error:&err];

    NSString *str1=@"success";

    if ([str1 isEqualToString:[dic valueForKey:@"status"]]){

        NSLog(@"相同");

    }else {

        NSLog(@"不同");

    }

    if ([[dic valueForKey:@"result"]boolValue]){

        NSLog(@"真");

    }else {

        NSLog(@"假");

    }

    if ([[dic valueForKey:@"number"]boolValue]){

        NSLog(@"真");

    }else {

        NSLog(@"假");

    }