NSArray *array = @[@"1",@"21",@"12",@"11",@"0",@"14",@"23",@"9"];
//升序
NSArray *sheng = [array sortedArrayUsingComparator:^NSComparisonResult(id _Nonnull obj1, id _Nonnull obj2) {
if ([obj1 integerValue] > [obj2 integerValue]) {
return NSOrderedDescending;
}else if ([obj1 integerValue] > [obj2 integerValue]){
return NSOrderedAscending;
}else{
return NSOrderedSame;
}
}];
NSLog(@"sheng=%@",sheng);
//降序
NSArray *jiang = [array sortedArrayUsingComparator:^NSComparisonResult(id _Nonnull obj1, id _Nonnull obj2) {
if ([obj2 integerValue] > [obj1 integerValue]) {
return NSOrderedDescending;
}else if ([obj2 integerValue] > [obj1 integerValue]){
return NSOrderedAscending;
}else{
return NSOrderedSame;
}
}];
NSLog(@"jiang=%@",jiang);