只需要新建一個(gè)object-c File,隨便建立某個(gè)類的分類售淡，名字命名為L(zhǎng)og俘枫。新建后把.h文件刪了译断。并選擇Move to Trash谦炒。然后把下面的代碼復(fù)制粘貼覆蓋到.m文件上即可挫剑。使用時(shí)不需要導(dǎo)入文件去扣。你也可以把下面的代碼粘貼覆蓋到隨便一個(gè).m文件，再把這個(gè).m文件拖到項(xiàng)目里面即可樊破。
#import <Foundation/Foundation.h>
@implementation NSDictionary (Log)
- (NSString *)descriptionWithLocale:(id)locale
{
NSMutableString *string = [NSMutableString string];
// 開頭有個(gè){
[string appendString:@"{\n"];
// 遍歷所有的鍵值對(duì)
[self enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
[string appendFormat:@"\t%@", key];
[string appendString:@" : "];
[string appendFormat:@"%@,\n", obj];
}];
// 結(jié)尾有個(gè)}
[string appendString:@"}"];
// 查找最后一個(gè)逗號(hào)
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];
// 開頭有個(gè)[
[string appendString:@"[\n"];
// 遍歷所有的元素
[self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[string appendFormat:@"\t%@,\n", obj];
}];
// 結(jié)尾有個(gè)]
[string appendString:@"]"];
// 查找最后一個(gè)逗號(hào)
NSRange range = [string rangeOfString:@"," options:NSBackwardsSearch];
if (range.location != NSNotFound)
[string deleteCharactersInRange:range];
return string;
}
@end
