OC编码问题输出中文

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {

@autoreleasepool {

NSMutableArray *arr=[NSMutableArray arrayWithObjects:@"中文",@"英文",@"编码", nil];

NSLog(@"%@",arr);

NSMutableDictionary *dic=[NSMutableDictionary dictionaryWithObjectsAndKeys:@"中文",@"one",@"编码",@"two",nil];

NSLog(@"%@",dic);

NSMutableSet *set=[NSMutableSet setWithObjects:@"中文",@"英文",@"编码", nil];

NSLog(@"%@",set);

}

return 0;

}

---

出现编码问题，不能正常显示中文

2016-07-21 22:19:48.117 测试[1618:495781] (

    "\U4e2d\U6587",

    "\U82f1\U6587",

    "\U7f16\U7801"

)

2016-07-21 22:19:48.117 测试[1618:495781] {

    one = "\U4e2d\U6587";

    two = "\U7f16\U7801";

}

2016-07-21 22:19:48.118 测试[1618:495781] {(

    "\U7f16\U7801",

    "\U82f1\U6587",

    "\U4e2d\U6587"

)}

Program ended with exit code: 0

---

为数组添加类别

---

#import "NSArray+ToChinese.h"　　　　　　　　　　　//类别名称

@implementation NSArray (ToChinese)

- (NSString *)descriptionWithLocale:(id)locale

{

NSMutableString *string=[[NSMutableString alloc]init];

[string appendString:@"("];

for (id obj in self) {　　　　　　　　　　　　　　//self就是当前可变数组,遍历数组中的对象拼接成新的字符串返回

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

}

[string appendString:@"\n)"];

return string;

}

@end

---

为字典添加类别

---

- (NSString *)descriptionWithLocale:(id)locale

{

NSMutableString *string=[[NSMutableString alloc]init ];

[string appendString:@"{"];

NSString* value=[NSString string];

for (id obj in self) {　　　　　　　　　　　　　　　　　　　　//self就是当前可变字典,遍历字典中的对象拼接成新的字符串返回

value=[self objectForKey:obj];

[string appendFormat:@"\n\t%@ = %@",obj,value];

}

[string appendString:@"\n}"];

return string;

}

---

为集合添加类别

---

- (NSString *)descriptionWithLocale:(id)locale

{

NSMutableString *str=[[NSMutableString alloc]init];

[str appendString:@"("];

for(id obj in self) { 　　　　　　　　　　　　　　　　　　//self就是当前可变集合,遍历集合中的对象拼接成新的字符串返回

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

}

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

return str;

}

---

正常显示中文

2016-07-21 22:18:58.727 编码问题[1572:488898] (

中文

英文

编码

)

2016-07-21 22:18:58.728 编码问题[1572:488898] {

one = 中文

two = 编码

}

2016-07-21 22:18:58.728 编码问题[1572:488898] (

编码

英文

中文

)

Program ended with exit code: 0