将字典或者数组转换成JSON数据或者字符串

来源：互联网发布：mac 使命召唤编辑：程序博客网时间：2024/05/21 22:46

源码：

NSDictionary+JSON.h 与 NSDictionary+JSON.m

////  NSDictionary+JSON.h//  Category////  Created by YouXianMing on 15-2-09.//  Copyright (c) 2014年 YouXianMing. All rights reserved.//#import <Foundation/Foundation.h>@interface NSDictionary (JSON)/** *  转换成JSON串字符串（没有可读性） * *  @return JSON字符串 */- (NSString *)toJSONString;/** *  转换成JSON串字符串（有可读性） * *  @return JSON字符串 */- (NSString *)toReadableJSONString;/** *  转换成JSON数据 * *  @return JSON数据 */- (NSData *)toJSONData;@end

////  NSDictionary+JSON.m//  Category////  Created by YouXianMing on 15-2-09.//  Copyright (c) 2014年 YouXianMing. All rights reserved.//#import "NSDictionary+JSON.h"@implementation NSDictionary (JSON)- (NSString *)toJSONString {    NSData *data = [NSJSONSerialization dataWithJSONObject:self                                                   options:NSJSONReadingMutableLeaves | NSJSONReadingAllowFragments                                                     error:nil];        if (data == nil) {        return nil;    }        NSString *string = [[NSString alloc] initWithData:data                                             encoding:NSUTF8StringEncoding];    return string;}- (NSString *)toReadableJSONString {    NSData *data = [NSJSONSerialization dataWithJSONObject:self                                                   options:NSJSONWritingPrettyPrinted                                                     error:nil];        if (data == nil) {        return nil;    }        NSString *string = [[NSString alloc] initWithData:data                                             encoding:NSUTF8StringEncoding];    return string;}- (NSData *)toJSONData {    NSData *data = [NSJSONSerialization dataWithJSONObject:self                                                   options:NSJSONWritingPrettyPrinted                                                     error:nil];        return data;}@end

NSArray+JSON.h 与 NSArray+JSON.m

////  NSArray+JSON.h//  Category////  Created by YouXianMing on 15-2-09.//  Copyright (c) 2014年 YouXianMing. All rights reserved.//#import <Foundation/Foundation.h>@interface NSArray (JSON)/** *  转换成JSON串字符串（没有可读性） * *  @return JSON字符串 */- (NSString *)toJSONString;/** *  转换成JSON串字符串（有可读性） * *  @return JSON字符串 */- (NSString *)toReadableJSONString;/** *  转换成JSON数据 * *  @return JSON数据 */- (NSData *)toJSONData;@end

////  NSArray+JSON.m//  Category////  Created by YouXianMing on 15-2-09.//  Copyright (c) 2014年 YouXianMing. All rights reserved.//#import "NSArray+JSON.h"@implementation NSArray (JSON)- (NSString *)toJSONString {    NSData *data = [NSJSONSerialization dataWithJSONObject:self                                                   options:NSJSONReadingMutableLeaves | NSJSONReadingAllowFragments                                                     error:nil];        if (data == nil) {        return nil;    }        NSString *string = [[NSString alloc] initWithData:data                                             encoding:NSUTF8StringEncoding];    return string;}- (NSString *)toReadableJSONString {    NSData *data = [NSJSONSerialization dataWithJSONObject:self                                                   options:NSJSONWritingPrettyPrinted                                                     error:nil];        if (data == nil) {        return nil;    }        NSString *string = [[NSString alloc] initWithData:data                                             encoding:NSUTF8StringEncoding];    return string;}- (NSData *)toJSONData {    NSData *data = [NSJSONSerialization dataWithJSONObject:self                                                   options:NSJSONWritingPrettyPrinted                                                     error:nil];        return data;}@end

使用：

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