////  HYBJSONModel.h//  Json2ModelDemo////  Created by huangyibiao on 14-9-15.//  Copyright (c) 2014年 Home. All rights reserved.//#import <Foundation/Foundation.h>/*! * @brief JSON转换成Model，或者把Model转换成JSON * @author huangyibiao */@interface HYBJSONModel : NSObject/*! * @brief 把对象（Model）转换成字典 * @param model 模型对象 * @return 返回字典 */+ (NSDictionary *)dictionaryWithModel:(id)model;/*! * @brief 获取Model的所有属性名称 * @param model 模型对象 * @return 返回模型中的所有属性值 */+ (NSArray *)propertiesInModel:(id)model;/*! * @brief 把字典转换成模型，模型类名为className * @param dict 字典对象 * @param className 类名 * @return 返回数据模型对象 */+ (id)modelWithDict:(NSDictionary *)dict className:(NSString *)className;@end

////  HYBJSONModel.m//  Json2ModelDemo////  Created by huangyibiao on 14-9-15.//  Copyright (c) 2014年 Home. All rights reserved.//#import "HYBJSONModel.h"#import <objc/runtime.h>typedef NS_ENUM(NSInteger, HYBJSONModelDataType) {    kHYBJSONModelDataTypeObject    = 0,    kHYBJSONModelDataTypeBOOL      = 1,    kHYBJSONModelDataTypeInteger   = 2,    kHYBJSONModelDataTypeFloat     = 3,    kHYBJSONModelDataTypeDouble    = 4,    kHYBJSONModelDataTypeLong      = 5,};@implementation HYBJSONModel/*! * @brief 把对象（Model）转换成字典 * @param model 模型对象 * @return 返回字典 */+ (NSDictionary *)dictionaryWithModel:(id)model {    if (model == nil) {        return nil;    }        NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];        // 获取类名/根据类名获取类对象    NSString *className = NSStringFromClass([model class]);    id classObject = objc_getClass([className UTF8String]);        // 获取所有属性    unsigned int count = 0;    objc_property_t *properties = class_copyPropertyList(classObject, &count);        // 遍历所有属性    for (int i = 0; i < count; i++) {        // 取得属性        objc_property_t property = properties[i];        // 取得属性名        NSString *propertyName = [[NSString alloc] initWithCString:property_getName(property)                                                          encoding:NSUTF8StringEncoding];        // 取得属性值        id propertyValue =http://www.mamicode.com/ nil;        id valueObject = [model valueForKey:propertyName];                if ([valueObject isKindOfClass:[NSDictionary class]]) {            propertyValue = [NSDictionary dictionaryWithDictionary:valueObject];        } else if ([valueObject isKindOfClass:[NSArray class]]) {            propertyValue = [NSArray arrayWithArray:valueObject];        } else {            propertyValue = [NSString stringWithFormat:@"%@", [model valueForKey:propertyName]];        }                [dict setObject:propertyValue forKey:propertyName];    }    return [dict copy];}/*! * @brief 获取Model的所有属性名称 * @param model 模型对象 * @return 返回模型中的所有属性值 */+ (NSArray *)propertiesInModel:(id)model {    if (model == nil) {        return nil;    }        NSMutableArray *propertiesArray = [[NSMutableArray alloc] init];        NSString *className = NSStringFromClass([model class]);    id classObject = objc_getClass([className UTF8String]);    unsigned int count = 0;    objc_property_t *properties = class_copyPropertyList(classObject, &count);        for (int i = 0; i < count; i++) {        // 取得属性名        objc_property_t property = properties[i];        NSString *propertyName = [[NSString alloc] initWithCString:property_getName(property)                                                          encoding:NSUTF8StringEncoding];        [propertiesArray addObject:propertyName];    }        return [propertiesArray copy];}/*! * @brief 把字典转换成模型，模型类名为className * @param dict 字典对象 * @param className 类名 * @return 返回数据模型对象 */+ (id)modelWithDict:(NSDictionary *)dict className:(NSString *)className {    if (dict == nil || className == nil || className.length == 0) {        return nil;    }        id model = [[NSClassFromString(className) alloc]init];        // 取得类对象    id classObject = objc_getClass([className UTF8String]);        unsigned int count = 0;    objc_property_t *properties = class_copyPropertyList(classObject, &count);    Ivar *ivars = class_copyIvarList(classObject, nil);    for (int i = 0; i < count; i ++) {        // 取得成员名        NSString *memberName = [NSString stringWithUTF8String:ivar_getName(ivars[i])];        const char *type = ivar_getTypeEncoding(ivars[i]);        NSString *dataType =  [NSString stringWithCString:type encoding:NSUTF8StringEncoding];                NSLog(@"Data %@ type: %@",memberName,dataType);                HYBJSONModelDataType rtype = kHYBJSONModelDataTypeObject;        if ([dataType hasPrefix:@"c"]) {            rtype = kHYBJSONModelDataTypeBOOL;// BOOL        } else if ([dataType hasPrefix:@"i"]) {            rtype = kHYBJSONModelDataTypeInteger;// int        } else if ([dataType hasPrefix:@"f"]) {            rtype = kHYBJSONModelDataTypeFloat;// float        } else if ([dataType hasPrefix:@"d"]) {            rtype = kHYBJSONModelDataTypeDouble; // double        } else if ([dataType hasPrefix:@"l"])  {            rtype = kHYBJSONModelDataTypeLong;// long        }                for (int j = 0; j < count; j++) {            objc_property_t property = properties[j];            NSString *propertyName = [[NSString alloc] initWithCString:property_getName(property)                                                              encoding:NSUTF8StringEncoding];            NSRange range = [memberName rangeOfString:propertyName];                        if (range.location == NSNotFound) {                continue;            } else {                id propertyValue =http://www.mamicode.com/ [dict objectForKey:propertyName];                                switch (rtype) {                    case kHYBJSONModelDataTypeBOOL: {                        BOOL temp = [[NSString stringWithFormat:@"%@", propertyValue] boolValue];                        propertyValue = [NSNumber numberWithBool:temp];                    }                        break;                    case kHYBJSONModelDataTypeInteger: {                        int temp = [[NSString stringWithFormat:@"%@", propertyValue] intValue];                        propertyValue = [NSNumber numberWithInt:temp];                    }                        break;                    case kHYBJSONModelDataTypeFloat: {                        float temp = [[NSString stringWithFormat:@"%@", propertyValue] floatValue];                        propertyValue = [NSNumber numberWithFloat:temp];                    }                        break;                    case kHYBJSONModelDataTypeDouble: {                        double temp = [[NSString stringWithFormat:@"%@", propertyValue] doubleValue];                        propertyValue = [NSNumber numberWithDouble:temp];                    }                        break;                    case kHYBJSONModelDataTypeLong: {                        long long temp = [[NSString stringWithFormat:@"%@",propertyValue] longLongValue];                        propertyValue = [NSNumber numberWithLongLong:temp];                    }                        break;                                            default:                        break;                }                                [model setValue:propertyValue forKey:memberName];                break;            }        }    }    return model;}@end