保存 UITextView

参考博文：http://www.cnblogs.com/marks007/p/4681407.html

UITextView 插入图片：

- (void)insertImage

{

CGFloatposition;

if(self.myTextView.isFirstResponder)

{

position =self.myTextView.selectedRange.location;

}

else

{

position =self.myTextView.text.length;

}

NSMutableAttributedString*attributeString = [[NSMutableAttributedStringalloc]initWithAttributedString:self.myTextView.attributedText];

NSTextAttachment*textAttachment = [[NSTextAttachmentalloc]init];

UIImage*image = [UIImageimageNamed:@"play"];

if(image.size.width>80|| image.size.height>142)

{

if(image.size.width> image.size.height)

{

intnh = image.size.height*80/image.size.width;

intnw =80;

image = [imageresizeImageWithNewSize:CGSizeMake(nw, nh)];

}

else

{

intnh =142;

intnw = image.size.width*142/image.size.height;

image = [imageresizeImageWithNewSize:CGSizeMake(nw, nh)];

}

}

textAttachment.image= image;

NSAttributedString*attrStringWithImage = [NSAttributedStringattributedStringWithAttachment:textAttachment];

[attributeStringinsertAttributedString:attrStringWithImageatIndex:position];

self.myTextView.attributedText= attributeString;

}

保存UITextView到文件中：

NSString*docDirPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES)objectAtIndex:0];

NSString*contentFileName = [NSStringstringWithFormat:@"content_%f.txt", [NSDatetimeIntervalSinceReferenceDate]];

NSString*contentFilePath = [docDirPathstringByAppendingPathComponent:contentFileName];

NSData*data = [self.myTextView.attributedTextdataFromRange:NSMakeRange(0,self.myTextView.attributedText.length)

documentAttributes:@{NSDocumentTypeDocumentAttribute:NSRTFDTextDocumentType}error:nil];

BOOL isWrite = [datawriteToFile:contentFilePathatomically:YES];

用的时候再取出来显示：

NSData*outputData = [[NSDataalloc]initWithContentsOfFile:contentFilePathoptions:NSDataReadingMappedIfSafeerror:nil];

NSAttributedString*temp = [[NSAttributedStringalloc]initWithData:outputData

options:@{NSDocumentTypeDocumentAttribute:NSRTFDTextDocumentType}

documentAttributes:nil

error:nil];

[self.myTextViewsetAttributedText:temp];