#import <UIKit/UIKit.h>

#import <QuickLook/QuickLook.h>

@interface ViewController : UIViewController<QLPreviewControllerDataSource>

- (IBAction)click:(id)sender;

@end

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

- (IBAction)click:(id)sender {

    //第一步 实例化对象

    QLPreviewController *QL=[[QLPreviewController alloc] init];

    QL.dataSource=self;

    QL.currentPreviewItemIndex=;

    [self presentViewController:QL animated:YES completion:^{

    }];

    [QL release];

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    // Return YES for supported orientations

    return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

//第二 实习代理方法

- (NSInteger)numberOfPreviewItemsInPreviewController:(QLPreviewController *)controller{

    return ;

}

/*!

 * @abstract Returns the item that the preview controller should preview.

 * @param panel The Preview Controller.

 * @param index The index of the item to preview.

 * @result An item conforming to the QLPreviewItem protocol.

 */

- (id <QLPreviewItem>)previewController:(QLPreviewController *)controller previewItemAtIndex:(NSInteger)index{

    return [NSURL fileURLWithPath:@"/Users/zy/Desktop/2013下半年岗位培训需求.xlsx"];

}

@end