// insert code here...
NSLog(@"数组");
//指定多个字符串创建数组
NSArray *array;
array=[NSArrayarrayWithObjects:@"0-asd",@"1-fds",@"2-哈咯",@"3-个人",nil];
//数组的长度
NSLog(@"数组长度%d",array.count);
//通过索引取得对象
for(int i=0;i<array.count;i++)
{
NSString *secondStr=[array objectAtIndex:i];
NSLog(secondStr,nil);
}
//高速枚举法取得对象,Objective-C2.0开始支持,
for(NSString *str in array)
{
NSLog(str,nil);
}
//对象的追加于删除
//创建空数组
NSMutableArray *MutArray=[NSMutableArray array];
//追加对象
[MutArray addObject:@"A"];
[MutArray addObjectsFromArray:array];
//插入对象
NSString *thstr=@"插入值";
[MutArray insertObject:thstr atIndex:4];
//替换对象
[MutArray replaceObjectAtIndex:2 withObject:@"替换"];
//删除所有对象
//[Mutarray removeAllObjects];
//删除最后的对象
[MutArray removeLastObject];
//删除索引为Index的对象
[MutArray removeObjectAtIndex:0];
//删除所有于object同值的对象
[MutArray removeObject:@"0-asd"];
//删除数组中所有与object等价的对象
[MutArray removeObjectIdenticalTo:thstr];
//删除数组中所有与数组array包含相同的元素
[MutArray removeObjectsInArray:array];
NSLog(@"%@",MutArray);
/*添加对象到数组中,如果数组中已有该字符串,则不添加到数组*/
-(void)TestTheStringhaveOrNotHave:(NSMutableArray*)array string:(NSString*)str
{
// for (int i = 0; i<[antherarray count]; i++)
// {
// NSString * str = [antherarray objectAtIndex:i];
[array addObject:str];
NSIntegerindex= [array indexOfObject:str inRange:NSMakeRange(0, [array count] - 1)];
if(index!= NSNotFound)
{
[array removeObjectAtIndex:index];
}
// }
}
/*删除数组中已经添加相同人名*/
-(void)DeleateTheNotSelectString:(NSMutableArray*)array string:(NSString*)Delstr
{
if([array count]> 0)
{
[array removeObjectIdenticalTo:Delstr];
}
}
来源:oschina
链接:https://my.oschina.net/u/1244156/blog/197476