iOS中解决Xcode9的Log日志无法输出中文的问题小结

 // // NSArray+ZYLog.h // ZYLog // // Created by zhouyu on 17/11/08. // Copyright © 2017年 zhouyu. All rights reserved. // #import  @interface NSArray (ZYLog) @end @interface NSDictionary (ZYLog) @end

 // // NSArray+ZYLog.m // ZYLog // // Created by zhouyu on 17/11/08. // Copyright © 2017年 zhouyu. All rights reserved. // #import "NSArray+ZYLog.h" @implementation NSArray (ZYLog) #ifdef DEBUG - (NSString *)description { return [self ZY_descriptionWithLevel:1]; } -(NSString *)descriptionWithLocale:(id)locale{ return [self ZY_descriptionWithLevel:1]; } - (NSString *)descriptionWithLocale:(nullable id)locale indent:(NSUInteger)level { return [self ZY_descriptionWithLevel:(int)level]; } /** 将数组转化成字符串，文字格式UTF8,并且格式化 @param level 当前数组的层级，最少为 1，代表最外层 @return 格式化的字符串 */ - (NSString *)ZY_descriptionWithLevel:(int)level { NSString *subSpace = [self ZY_getSpaceWithLevel:level]; NSString *space = [self ZY_getSpaceWithLevel:level - 1]; NSMutableString *retString = [[NSMutableString alloc] init]; // 1、添加 [ [retString appendString:[NSString stringWithFormat:@"["]]; // 2、添加 value [self enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { if ([obj isKindOfClass:[NSString class]]) { NSString *value = (NSString *)obj; value = [value stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSString *subString = [NSString stringWithFormat:@"\n%@\"%@\",", subSpace, value]; [retString appendString:subString]; } else if ([obj isKindOfClass:[NSArray class]]) { NSArray *arr = (NSArray *)obj; NSString *str = [arr ZY_descriptionWithLevel:level + 1]; str = [NSString stringWithFormat:@"\n%@%@,", subSpace, str]; [retString appendString:str]; } else if ([obj isKindOfClass:[NSDictionary class]]) { NSDictionary *dic = (NSDictionary *)obj; NSString *str = [dic descriptionWithLocale:nil indent:level + 1]; str = [NSString stringWithFormat:@"\n%@%@,", subSpace, str]; [retString appendString:str]; } else { NSString *subString = [NSString stringWithFormat:@"\n%@%@,", subSpace, obj]; [retString appendString:subString]; } }]; if ([retString hasSuffix:@","]) { [retString deleteCharactersInRange:NSMakeRange(retString.length-1, 1)]; } // 3、添加 ] [retString appendString:[NSString stringWithFormat:@"\n%@]", space]]; return retString; } /** 根据层级，返回前面的空格占位符 @param level 层级 @return 占位空格 */ - (NSString *)ZY_getSpaceWithLevel:(int)level { NSMutableString *mustr = [[NSMutableString alloc] init]; for (int i=0; i