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iOS中解决Xcode9的Log日志无法输出中文的问题小结

2020-07-26 02:37:47
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问题描述

Xcode的Log日志输出中文的问题,一般都是重写NSArray,NSDictionary的- (NSString *)descriptionWithLocale:(id)locale;方法进行处理,最近升级到Xcode9会后发现原来的处理逻辑也无法满足输出中文的需求,后台返回的状态描述涉及到中文的都变成了Unicode编码,其实这是重写的方法失效的问题,因为Xcode默认输出NSArray,NSDictionary的中文都是Unicode编码

正确的解决方案如下, 创建NSArray+ZYLog分类

NSArray+ZYLog.h文件

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

NSArray+ZYLog.m文件

//// 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<level; i++) {  [mustr appendString:@"/t"]; } return mustr;}#endif@end@implementation NSDictionary (ZYLog)#ifdef DEBUG- (NSString *)description { return [self ZY_descriptionWithLevel:1];}- (NSString *)descriptionWithLocale:(nullable id)locale { return [self ZY_descriptionWithLevel:1];}- (NSString *)descriptionWithLocale:(nullable id)locale indent:(NSUInteger)level { return [self ZY_descriptionWithLevel:(int)level];}/** * 非字典时,会引发崩溃 */- (NSString *)ZY_getUTF8String { if ([self isKindOfClass:[NSDictionary class]] == NO) {  return @""; } NSError *error = nil; NSData *data = [NSJSONSerialization dataWithJSONObject:self options:NSJSONWritingPrettyPrinted error:&error]; if (error) {  return @""; } NSString *str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]; return str;}/** 将字典转化成字符串,文字格式UTF8,并且格式化 @param level 当前字典的层级,最少为 1,代表最外层字典 @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 key : value; [self enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {  if ([obj isKindOfClass:[NSString class]]) {   NSString *value = (NSString *)obj;   value = [value stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];   NSString *subString = [NSString stringWithFormat:@"/n%@/"%@/" : /"%@/",", subSpace, key, value];   [retString appendString:subString];  } else if ([obj isKindOfClass:[NSDictionary class]]) {   NSDictionary *dic = (NSDictionary *)obj;   NSString *str = [dic ZY_descriptionWithLevel:level + 1];   str = [NSString stringWithFormat:@"/n%@/"%@/" : %@,", subSpace, key, str];   [retString appendString:str];  } else if ([obj isKindOfClass:[NSArray class]]) {   NSArray *arr = (NSArray *)obj;   NSString *str = [arr descriptionWithLocale:nil indent:level + 1];   str = [NSString stringWithFormat:@"/n%@/"%@/" : %@,", subSpace, key, str];   [retString appendString:str];  } else {   NSString *subString = [NSString stringWithFormat:@"/n%@/"%@/" : %@,", subSpace, key, 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 字典的层级 @return 占位空格 */- (NSString *)ZY_getSpaceWithLevel:(int)level { NSMutableString *mustr = [[NSMutableString alloc] init]; for (int i=0; i<level; i++) {  [mustr appendString:@"/t"]; } return mustr;}#endif@end

效果

这里写图片描述

而且直接就是json串,复制log日志,直接在json格式化工具中使用

这里写图片描述

这里写图片描述

参考

JLLogEncoding

总结

以上所述是小编给大家介绍的iOS中解决Xcode9的Log日志无法输出中文的问题小结,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对武林网网站的支持!

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