iOS文件预览分享小技能示例.docx

第

iOS文件预览分享小技能示例

目录前言I第三方SDK分享文件1.1微信SDK1.2友盟SDKII原生API的文件预览及其他应用打开2.1预览文件2.2文件分享2.3控制是否显示copy、print、saveToCameraRollIII案例3.1文件下载和预览3.2使用数据模型保存下载文件路径3.3使用数据模型分享文件3.4清理缓存

前言

应用场景：文件下载、打印

I第三方SDK分享文件

1.1微信SDK

/**

enumWXScene{

WXSceneSession=0,

WXSceneTimeline=1,

WXSceneFavorite=2,

文件真实数据内容

*@note大小不能超过10M

@property(nonatomic,retain)NSData*fileData;

-(void)sendFileContent

WXMediaMessage*message=[WXMediaMessagemessage];

message.title=@ML.pdf;

message.description=@ProCoreData;

[messagesetThumbImage:[UIImageimageNamed:@res2.jpg]];

WXFileObject*ext=[WXFileObjectobject];

ext.fileExtension=@pdf;

NSString*filePath=[[NSBundlemainBundle]pathForResource:@MLofType:@pdf];

ext.fileData=[NSDatadataWithContentsOfFile:filePath];

//+(nullableinstancetype)dataWithContentsOfURL:(NSURL*)url;

message.mediaObject=ext;

SendMessageToWXReq*req=[[[SendMessageToWXReqalloc]init]autorelease];

req.bText=NO;

req.message=message;

req.scene=WXSceneSession;

[WXApisendReq:reqcompletion:nil];

1.2友盟SDK

#pragmamark-UMFileObject

/*!@brief多媒体消息中包含的文件数据对象

*@seeUMShareObject

@interfaceUMShareFileObject:UMShareObject

/**文件后缀名

*@note长度不超过64字节

@property(nonatomic,retain)NSString*fileExtension;

/**文件真实数据内容

*@note大小不能超过10M

@property(nonatomic,retain)NSData*fileData;

/**文件的名字(不包含后缀)

*@note长度不超过64字节

@property(nonatomic,retain)NSString*fileName;

II原生API的文件预览及其他应用打开

-(BOOL)presentOptionsMenuFromRect:(CGRect)rectinView:(UIView*)viewanimated:(BOOL)animated;

-(BOOL)presentOptionsMenuFromBarButtonItem:(UIBarButtonItem*)itemanimated:(BOOL)animated;

//BypassesthemenuandopensthefullscreenpreviewwindowfortheitematURL.ReturnsNOiftheitemcouldnotbepreviewed.

//NotethatyoumustimplementthedelegatemethoddocumentInteractionControllerViewControllerForPreview:topreviewthedocument.