// 将字典或者数组转化为JSON串
- (NSData *)toJSONData:(id)theData{
NSError *error = nil;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:theData
options:NSJSONWritingPrettyPrinted
error:&error];
if ([jsonData length] > 0 && error == nil){
return jsonData;
}else{
return nil;
}
}
NSString *jsonString = [[NSString alloc] initWithData:jsonData
encoding:NSUTF8StringEncoding];
[jsonString dataUsingEncoding:NSASCIIStringEncoding];
//
将JSON串转化为字典或者数组
-
(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;
}
}
#import
"NSString+JSONCategories.h"
@implementation
NSString(JSONCategories)
-(id)JSONValue;
{
NSData* data =
[self
dataUsingEncoding:NSUTF8StringEncoding];
__autoreleasing NSError* error
= nil;
id
result = [NSJSONSerialization
JSONObjectWithData:data
options:kNilOptions
error:&error];
if (error != nil) return nil;
return result;
}
@end
#import
"NSObject+JSONCategories.h"
@implementation NSObject
(JSONCategories)
-(NSData*)JSONString;
{
NSError* error = nil;
id
result = [NSJSONSerialization
dataWithJSONObject:self
options:kNilOptions error:&error];
if (error != nil) return nil;
return result;
}
@end
希望对你有所帮助!