[super viewDidLoad];
NSDictionary *dict = @{@"aaa":@"11",@"bb":@"22",@"cc":@"33"};
NSString *str = [self dictionaryToJson:dict];
NSDictionary *dict1 = [self dictionaryWithJsonString:str];
NSLog(@"%@",str);
NSLog(@"%@",dict1);
}
/*!
* @brief 把格式化的JSON格式的字符串轉換成字典
* @param jsonString JSON格式的字符串
* @return 返回字典
*/
- (NSDictionary *)dictionaryWithJsonString:(NSString *)jsonString {
if (jsonString == nil) {
return nil;
}
NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
NSError *err;
NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
options:NSJSONReadingMutableContainers
error:&err];
if(err) {
NSLog(@"json解析失敗：%@",err);
return nil;
}
return dic;
}
//詞典轉換為字符串
- (NSString*)dictionaryToJson:(NSDictionary *)dic
{
NSError *parseError = nil;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dic options:NSJSONWritingPrettyPrinted error:&parseError];
return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
}