NSDictionary json格式字符串转字典，字典转json格式字符串 

 1 + (NSDictionary *)dictionaryWithJsonString:(NSString *)jsonString {
 2 
 3 if (jsonString == nil) {
 4 
 5 return nil;
 6 
 7 }
 8 
 9 NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
10 
11 NSError *err;
12 
13 NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
14 
15 options:NSJSONReadingMutableContainers
16 
17 error:&err];
18 
19 if(err) {
20 
21 NSLog(@"json解析失败：%@",err);
22 
23 return nil;
24 
25 }
26 
27 return dic;
28 
29 }
30 
31 
32 + (NSString*)dictionaryToJson:(NSDictionary *)dic
33 
34 {
35 
36 NSError *parseError = nil;
37 
38 NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dic options:NSJSONWritingPrettyPrinted error:&parseError];
39 
40 return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
41 
42 }

 

posted @ 2016-01-08 11:11  御剑青冥  阅读(291)  评论(0)    收藏  举报