我正在从我的 json 文件中读取 jason 数据,并且我成功打印了 NSarray 类型 arraytsik,现在当我尝试使用 enumerateObjectsUsingBlock 循环遍历 arraytsik 时,它给了我输出或数组错误
2012-12-17 16:59:04.711 tsikzoeMig[6416:303] here i am printing the array { tsik = ( { author = 2; authorName = fgfg; dateSubmitted = "2012-08-19 00:00:00"; dictionaryType = 1; id = 1; word = fgdf; wordDef = fdgdfg; }, { author = 2; authorName = "\U0f51\U0f74\U0f44\U0f0b\U0f51\U0f40\U0f62\U0f0b\U0f5a\U0f72\U0f42\U0f0b\U0f58\U0f5b\U0f7c\U0f51\U0f0d"; dateSubmitted = "2012-08-19 00:00:00"; dictionaryType = 1; id = 2; word = "\U0f21\U0f20\U0f24\U0f20\U0f56\U0f66\U0f7c\U0f0d"; wordDef = "\U0f56\U0f66\U0f7c\U0f0b\U0f56\U0f66\U0f7c\U0f0b\U0f5e\U0f7a\U0f66\U0f0b\U0f54\U0f60\U0f72\U0f0b\U0f66\U0f92\U0fb2\U0f60\U0f72\U0f0b\U0f41\U0fb1\U0f51\U0f0b\U0f54\U0f62\U0f0b\U0f42\U0fb1\U0f72\U0f0b\U0f58\U0f72\U0f44\U0f0c\U0f0d"; } ); } 2012-12-17 16:59:04.712 tsikzoeMig[6416:303] -[__NSCFDictionary enumerateObjectsUsingBlock:]: unrecognized selector sent to instance
0x102114700 2012-12-17 16:59:04.713 tsikzoeMig[6416:303] * 由于未捕获的异常“NSInvalidArgumentException”而终止应用程序,原因:“-[__NSCFDictionary enumerateObjectsUsingBlock:]:无法识别的选择器发送到实例 0x102114700”*第一次抛出调用堆栈: ( 0 CoreFoundation 0x00007fff8a1190a6 exceptionPreprocess + 198 1 libobjc.A.dylib 0x00007fff8a2963f0 objc_exception_throw + 43 2 CoreFoundation 0x00007fff8a1af6ea -[NSObject(NSObject) doesNotRecognizeSelector:] ce 186 38CoreFoundation 07x+ 414 4 CoreFoundation 0x00007fff8a1073b8 _CF_forwarding_prep_0 + 232 5 tsikzoeMig 0x0000000100001cd3 主要 + 851 6 libdyld.dylib 0x00007fff8acd97e1 开始 + 0 7 ??? 0x0000000000000001 0x0 + 1)libc++abi.dylib:终止调用抛出异常(lldb)
我的 main.m 代码在这里
// main.m
#import "TsikzoeE.h"
static NSManagedObjectModel *managedObjectModel()
{
static NSManagedObjectModel *model = nil;
if (model != nil) {
return model;
}
NSString *path = @"tsikzoe";
NSURL *modelURL = [NSURL fileURLWithPath:[path stringByAppendingPathExtension:@"momd"]];
model = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL];
return model;
}
static NSManagedObjectContext *managedObjectContext()
{
static NSManagedObjectContext *context = nil;
if (context != nil) {
return context;
}
@autoreleasepool {
context = [[NSManagedObjectContext alloc] init];
NSPersistentStoreCoordinator *coordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:managedObjectModel()];
[context setPersistentStoreCoordinator:coordinator];
NSString *STORE_TYPE = NSSQLiteStoreType;
NSString *path = [[NSProcessInfo processInfo] arguments][0];
path = [path stringByDeletingPathExtension];
NSURL *url = [NSURL fileURLWithPath:[path stringByAppendingPathExtension:@"sqlite"]];
NSError *error;
NSPersistentStore *newStore = [coordinator addPersistentStoreWithType:STORE_TYPE configuration:nil URL:url options:nil error:&error];
if (newStore == nil) {
NSLog(@"Store Configuration Failure %@", ([error localizedDescription] != nil) ? [error localizedDescription] : @"Unknown Error");
}
}
return context;
}
int main(int argc, const char * argv[])
{
@autoreleasepool {
// Create the managed object context
NSManagedObjectContext *context = managedObjectContext();
// Custom code here...
// Save the managed object context
NSError *error = nil;
if (![context save:&error]) {
NSLog(@"Error while saving %@", ([error localizedDescription] != nil) ? [error localizedDescription] : @"Unknown Error");
exit(1);
}
NSError* err = nil;
NSString* dataPath = [[NSBundle mainBundle] pathForResource:@"tsikzoe" ofType:@"json"];
NSArray* arraytsik = [NSJSONSerialization JSONObjectWithData:[NSData dataWithContentsOfFile:dataPath]options:kNilOptions error:&err];
// array outputing here to check
NSLog(@"here i am printing the array %@",arraytsik);
[arraytsik enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
TsikzoeE *tsikz = [NSEntityDescription insertNewObjectForEntityForName:@"TsikzoeE"inManagedObjectContext:context];
tsikz.id = [obj objectForKey:@"id"];
tsikz.dictionaryType=[obj objectForKey:@"dictionaryType"];
tsikz.word=[obj objectAtIndex:3];
tsikz.wordDef=[obj objectForKey:@"wordDef"];
tsikz.author=[obj objectForKey:@"author"];
tsikz.authorName=[obj objectForKey:@"authorName"];
NSError *error;
if (![context save:&error]) {
NSLog(@"Whoops, couldn't save: %@", [error localizedDescription]);
}
}];
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription entityForName:@"TsikzoeE"
inManagedObjectContext:context];
[fetchRequest setEntity:entity];
NSArray *fetchedObjects = [context executeFetchRequest:fetchRequest error:&error];
for (TsikzoeE *tsikz in fetchedObjects) {
NSLog(@"word: %@", tsikz.word);
NSLog(@"wordDef: %@", tsikz.wordDef);
}
}
return 0;
}
我的 json 内容是
{"tsik":[{"id":1,"dictionaryType":1,"word":"fgdf","wordDef":"fdgdfg","dateSubmitted":"2012-08-19 00:00:00","author":2,"authorName":"fgfg"},{"id":2,"dictionaryType":1,"word":"༡༠༤༠བསོ།","wordDef":"བསོ་བསོ་ཞེས་པའི་སྒྲའི་ཁྱད་པར་གྱི་མིང༌།","dateSubmitted":"2012-08-19 00:00:00","author":2,"authorName":"དུང་དཀར་ཚིག་མཛོད།"}]}
我的 TsikzoeE.h 代码
#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>
@interface TsikzoeE : NSManagedObject
@property (nonatomic, retain) NSNumber * author;
@property (nonatomic, retain) NSString * authorName;
@property (nonatomic, retain) NSNumber * dictionaryType;
@property (nonatomic, retain) NSNumber * id;
@property (nonatomic, retain) NSString * word;
@property (nonatomic, retain) NSString * wordDef;
@end
tsikzoeE.m 代码
//
// TsikzoeE.m
#import "TsikzoeE.h"
@implementation TsikzoeE
@dynamic author;
@dynamic authorName;
@dynamic dictionaryType;
@dynamic id;
@dynamic word;
@dynamic wordDef;
@end