#import <Foundation/Foundation.h>

@implementation NSDictionary (Log)

- (NSString *)descriptionWithLocale:(id)locale

{

    NSMutableString *str = [NSMutableString string];

    [str appendString:@"{\n"];

    // 遍历字典的所有键值对

    [self enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {

        [str appendFormat:@"\t%@ = %@,\n", key, obj];

    }];

    [str appendString:@"}"];

    // 查出最后一个,的范围

    NSRange range = [str rangeOfString:@"," options:NSBackwardsSearch];

    if (range.length != 0) {

        // 删掉最后一个,

        [str deleteCharactersInRange:range];

    }

    return str;

}

@end

@implementation NSArray (Log)

- (NSString *)descriptionWithLocale:(id)locale

{

    NSMutableString *str = [NSMutableString string];

    [str appendString:@"[\n"];

    // 遍历数组的所有元素

    [self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {

        [str appendFormat:@"%@,\n", obj];

    }];

    [str appendString:@"]"];

    // 查出最后一个,的范围

    NSRange range = [str rangeOfString:@"," options:NSBackwardsSearch];

    if (range.length != 0) {

        // 删掉最后一个,

        [str deleteCharactersInRange:range];

    }

    return str;

}

@end