iOS 实现代码编写中 字典属性的可读性

当我们正常编写代码的时候，用log日志打印字典，会出现这样的结果

当我们使用下面的代码他就会变成这个样子

具体代码为

//
//  NSObject+Log.m
//  字典的可读性
//
//  Created by ma c on 16/5/20.
//  Copyright © 2016年 彭盛凇. All rights reserved.
//

#import <Foundation/Foundation.h>

@implementation NSDictionary (Log)
- (NSString *)descriptionWithLocale:(id)locale
{
    NSMutableString *string = [NSMutableString string];
    
    // 开头有个{
    [string appendString:@"{
"];
    
    // 遍历所有的键值对
    [self enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
        [string appendFormat:@"	%@", key];
        [string appendString:@" : "];
        [string appendFormat:@"%@,
", obj];
    }];
    
    // 结尾有个}
    [string appendString:@"}"];
    
    // 查找最后一个逗号
    NSRange range = [string rangeOfString:@"," options:NSBackwardsSearch];
    if (range.location != NSNotFound)
        [string deleteCharactersInRange:range];
    
    return string;
}
@end

@implementation NSArray (Log)

- (NSString *)descriptionWithLocale:(id)locale
{
    NSMutableString *string = [NSMutableString string];
    
    // 开头有个[
    [string appendString:@"[
"];
    
    // 遍历所有的元素
    [self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
        [string appendFormat:@"	%@,
", obj];
    }];
    
    // 结尾有个]
    [string appendString:@"]"];
    
    // 查找最后一个逗号
    NSRange range = [string rangeOfString:@"," options:NSBackwardsSearch];
    if (range.location != NSNotFound)
        [string deleteCharactersInRange:range];
    
    return string;
}

@end