1. 数组转字符串
NSString *string = [array componentsJoinedByString:@","];,为分隔符
2.字符串转数组
NSString *str = [array componentsJoinedByString:@","];--分隔符
1. 数组转字符串
NSString *string = [array componentsJoinedByString:@","];,为分隔符
2.字符串转数组
NSString *str = [array componentsJoinedByString:@","];--分隔符