IOS JSON解析 NSJSONSerialization
#import <Foundation/Foundation.h>
@interface NSArray (KBJSONSerializing)
- (NSString*)JSONString;
@end
@interface NSDictionary (KBJSONSerializing)
- (NSString*)JSONString;
@end
@interface NSString (KBJSONSerializing)
- (id)JSONObject;
@end
@implementation NSArray (KBJSONSerializing)
- (NSString*)JSONString
{
NSError* error = nil;
NSData* jsonData = [NSJSONSerialization dataWithJSONObject:self
options:NSJSONWritingPrettyPrinted
error:&error];
if (error != nil) {
NSLog(@"NSArray JSONString error: %@", [error localizedDescription]);
return nil;
} else {
return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
}
}
@end
@implementation NSDictionary (KBJSONSerializing)
- (NSString*)JSONString
{
NSError* error = nil;
NSData* jsonData = [NSJSONSerialization dataWithJSONObject:self
options:NSJSONWritingPrettyPrinted
error:&error];
if (error != nil) {
NSLog(@"NSDictionary JSONString error: %@", [error localizedDescription]);
return nil;
} else {
return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
}
}
@end
@implementation NSString (KBJSONSerializing)
- (id)JSONObject
{
NSError* error = nil;
id object = [NSJSONSerialization JSONObjectWithData:[self dataUsingEncoding:NSUTF8StringEncoding]
options:kNilOptions
error:&error];
if (error != nil) {
NSLog(@"NSString JSONObject error: %@", [error localizedDescription]);
}
return object;
}