1.將array數(shù)組轉(zhuǎn)換為string字符串
NSString *str = [array componentsJoinedByString:@"#"];//#為分隔符
輸入:[str,kkk,jjj]
輸出:str#kkk#jjj
2.將string字符串拆分為array數(shù)組[有分割符]
NSArray *array = [str componentsSeparatedByString:@"#"];//#為分隔符
輸入: str#kkk#jjj
輸出: [str,kkk,jjj]