我得到这样的 NSString
[Hello] [;]
[hi] [;]
[Its there] [;]
[Welcome] [;]
[Hello] [;]
我想转换为 json 格式,我不知道如何将数据数组转换为 json。请帮我
您需要使用以下代码。
NSDictionary *dict = [myJsonString JSONValue];
如果它不起作用,请使用以下
//
// we begin with our string in json format
//
NSString *jsonString = [[NSString alloc] initWithString:@"{\"1\":\"1: Rossy Robinson - $25\",\"2\":\"7: Davey Ambrose - $25\",\"3\":\"14: Ross Robinson - $25\"}"];
//
// convert the json string to an NSMutableDictionary
//
NSError *e;
NSMutableDictionary *JSONdic = [NSJSONSerialization JSONObjectWithData: [jsonString dataUsingEncoding: NSUTF8StringEncoding] options: NSJSONReadingMutableContainers error: &e];
//
// change a value and add a new value in the dict
//
NSLog(@"before: object for key 1 is: %@", [JSONdic objectForKey:@"1"]);
[JSONdic setObject:@"xxx" forKey:@"1"];
[JSONdic setObject:@"Phil McQuitty" forKey:@"2"];
//
//convert dictionary object to json data
//
NSData* jsonData = [NSJSONSerialization dataWithJSONObject:JSONdic options:NSJSONWritingPrettyPrinted error:&e];
//
// convert the json data back to a string
//
NSString *jsonText = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];\
//
// print out the final results
//
NSLog(@"back to string: %@", jsonText);