NSArray 排序

[oneArray sortUsingComparator:^NSComparisonResult(id obj1, id obj2) {

if ([obj1 integerValue]>[obj2 integerValue]) {

return  NSOrderedDescending;

}

else if ([obj1 integerValue]>[obj2 integerValue])

{

return NSOrderedAscending;

}

return NSOrderedSame;

}];