<pre>
pragma mark ------------------------------------------------------- save -------------------------------------------------
-(UIButton *)saveBtn
{
if (!_saveBtn) {
_saveBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[_saveBtn setTitle:@"保存" forState:UIControlStateNormal];
[_saveBtn sizeToFit];
[_saveBtn addTarget:self action:@selector(saveTapped) forControlEvents:UIControlEventTouchUpInside];
}
return _saveBtn;
}
/*
*/
-(void)saveTapped
{
__block NSString *hStr =@"";
__block NSString *wtStr = @"";
[self.webView evaluateJavaScript:@"document.body.scrollHeight;" completionHandler:^(id _Nullable response, NSError * _Nullable error) {
NSLog(@"response: %@ error: %@", response, error);
hStr = response;
[self.webView evaluateJavaScript:@"document.body.scrollWidth;" completionHandler:^(id _Nullable response, NSError * _Nullable error) {
NSLog(@"response: %@ error: %@", response, error);
wtStr = response;
self.webView.frame=CGRectMake(0, 0, [wtStr floatValue], [hStr floatValue]);
UIGraphicsBeginImageContext(CGSizeMake(self.webView.frame.size.width,self.webView.frame.size.height));
CGContextRef ctx = UIGraphicsGetCurrentContext();
[self.webView.layer renderInContext:ctx];
UIImage *finalimage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
UIImageView *imaegview = [[UIImageView alloc] initWithFrame:CGRectMake(20, 20, 100, 600)];
imaegview.image = finalimage;
imaegview.contentMode = UIViewContentModeScaleToFill;
[self.view addSubview:imaegview];
}];
}];
}
</pre>
