将string字符串转换为array数组
NSArray *array = [string componentsSeparatedByString:@","];
==反向方法
将array数组转换为string字符串
NSString *tempString = [mutableArray componentsJoinedByString:@","]; --分隔符
将string字符串转换为array数组
NSArray *array = [string componentsSeparatedByString:@","];
==反向方法
将array数组转换为string字符串
NSString *tempString = [mutableArray componentsJoinedByString:@","]; --分隔符