iOS create pdf from UIWebView

I will create the pdf from UIWebView. I created the pdf by cropping the UIWebView screen. Then, I have gotten pdf of only part that is currently displayed on the screen of phone. I want to get pdf of all webview contents. 开发者_如何转开发Does anyone know to solve this problem? Please help me.

You could set scalesPageToFit to YES. Or scroll the webview after rendering each page.