BaseModel

//
//  BaseModel.h
//  fmdb
//
//  Created by gg on 2017/7/6.
//  Copyright © 2017年 gg. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <objc/runtime.h>

@interface BaseModel : NSObject
/**字典转 model*/
-(instancetype)initWithDic:(NSDictionary *)dic;
/**model 转字典*/
-(NSDictionary *)getModelDic;

@end

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

//
//  BaseModel.m
//  fmdb
//
//  Created by gg on 2017/7/6.
//  Copyright © 2017年 gg. All rights reserved.
//

#import "BaseModel.h"

@implementation BaseModel

-(instancetype)initWithDic:(NSDictionary *)dic{
    if (!dic || ![dic isKindOfClass:[NSDictionary class]]) {
        return nil;
    }
    
    if (self = [super init]) {
        for (NSString *key in [dic allKeys]) {
            id value = dic[key];
            //1.处理对象类型和数组类型
            if ([value isKindOfClass:[NSArray class]] || [value isKindOfClass:[NSDictionary class]]) {
                [self setValue:value forKeyPath:key];
            }else if ([value isKindOfClass:[NSNull class]]) {
                //2.处理空类型:防止出现unRecognized selector exception
                [self setValue:nil forKey:key];
            }else{
                //3.处理其他类型：包括数字，字符串，布尔，全部使用NSString来处理
                [self setValue:[NSString stringWithFormat:@"%@",value] forKeyPath:key];
            }
        }
    }
    return self;
}

//Model 到字典
-(NSDictionary *)getModelDic{
    NSMutableDictionary *props = [NSMutableDictionary dictionary];
    
    unsigned int outCount, i;
    
    objc_property_t *properties = class_copyPropertyList([self class], &outCount);
    
    for (i = 0; i<outCount; i++){
        objc_property_t property = properties[i];
        const char *char_f = property_getName(property);
        NSString *propertyName = [NSString stringWithUTF8String:char_f];
        id propertyValue = [self valueForKey:(NSString *)propertyName];
        if (propertyValue) [props setObject:propertyValue forKey:propertyName];
    }
    
    free(properties);
    
    return props;
}

#pragma mark KVC 安全设置
-(void)setValue:(id)value forUndefinedKey:(NSString *)key{
    //    NSLog(@"%s",__func__);
}
-(void)setNilValueForKey:(NSString *)key{
    NSLog(@"%s",__func__);
}

@end