将Model对象转换成json文本或者json二进制文件

//
// AJTransformer.h
// AnyJson
//
// Created by casa on 14-9-19.
// Copyright (c) 2014年 casa. All rights reserved.
//#import <Foundation/Foundation.h>@protocol AJSerializable;@interface AJSerializer : NSObject/**
* 将对象转换成json二进制文件
*
* @param object 对象
*
* @return json二进制文件
*/
+ (NSData *)jsonDataWithObject:(id)object;/**
* 将对象转换成json字符串
*
* @param object 对象
*
* @return json字符串
*/
+ (NSString *)jsonStringWithObject:(id)object;+ (id)objectWithJsonData:(NSData *)jsonData targetObjectClass:(Class)targetObjectClass;
+ (id)objectWithJsonString:(NSString *)jsonString targetObjectClass:(Class)targetObjectClass;@end

//
// AJTransformer.m
// AnyJson
//
// Created by casa on 14-9-19.
// Copyright (c) 2014年 casa. All rights reserved.
//#import "AJSerializer.h"
#import "AJObject2JsonSerializer.h"
#import "AJJson2ObjectSerializer.h"@implementation AJSerializer#pragma mark - public method
+ (NSData *)jsonDataWithObject:(id)object
{
id basicObject = [AJObject2JsonSerializer serializeToBasicObject:object];
return [NSJSONSerialization dataWithJSONObject:basicObject options: error:nil];
}+ (NSString *)jsonStringWithObject:(id)object
{
NSString *jsonString = [[NSString alloc] initWithData:[AJSerializer jsonDataWithObject:object] encoding:NSUTF8StringEncoding];
return jsonString;
}+ (id)objectWithJsonData:(NSData *)jsonData targetObjectClass:(Class)targetObjectClass
{
id jsonObject = [NSJSONSerialization JSONObjectWithData:jsonData options: error:nil];
return [AJJson2ObjectSerializer transformJsonObject:jsonObject toTargetObjectClass:targetObjectClass];
}+ (id)objectWithJsonString:(NSString *)jsonString targetObjectClass:(Class)targetObjectClass
{
NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
return [AJSerializer objectWithJsonData:jsonData targetObjectClass:targetObjectClass];
}@end

//
// Playground.h
// AnyJson
//
// Created by casa on 14-9-20.
// Copyright (c) 2014年 casa. All rights reserved.
//#import <Foundation/Foundation.h>
#import "OtherObject.h"@interface Playground : NSObject@property (nonatomic, assign) NSInteger testInteger;
@property (nonatomic, strong) OtherObject *otherObject;@end

//
// OtherObject.h
// AnyJson
//
// Created by casa on 14-9-21.
// Copyright (c) 2014年 casa. All rights reserved.
//#import <Foundation/Foundation.h>@interface OtherObject : NSObject@property (nonatomic, assign) NSInteger testInteger;
@property (nonatomic, assign) BOOL isTest;
@property (nonatomic, strong) NSString *name;
@property (nonatomic, assign) char testChar;@end

//
// ViewController.m
// AnyJson
//
// Created by casa on 14-9-19.
// Copyright (c) 2014年 casa. All rights reserved.
//#import "ViewController.h"
#import "AnyJson.h"
#import "Playground.h"
#import "AJClassHelper.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {
[super viewDidLoad]; Playground *playground = [[Playground alloc] init];
OtherObject *otherObject = [[OtherObject alloc] init];
otherObject.testInteger = ;
otherObject.isTest = YES;
otherObject.name = @"casa";
otherObject.testChar = 'c'; playground.otherObject = otherObject;
NSString *jsonString = [AJSerializer jsonStringWithObject:playground]; NSLog(@"json string is %@", jsonString);
}@end