首頁 > 開發者 > JavaScript
JavaScript實現控制開啟檔案另存新檔對話方塊的方法，javascript開啟檔案
本文執行個體講述了JavaScript實現控制開啟檔案另存新檔對話方塊的方法。分享給大家供大家參考。具體如下：
這裡通過JS開啟圖片另存新檔對話方塊，提示使用者儲存檔案
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><title> New Document </title><meta name="Generator" content="EditPlus"><meta name="Author" content=""><meta name="Keywords" content=""><meta name="Description" content=""><script src="js/jquery.min.js" type="text/javascript"></script><script language="JavaScript"><!--function downLoadImage(imagePathURL){//如果中間IFRAME不存在，則添加if(!document.getElementById("_SAVEASIMAGE_TEMP_FRAME"))jQuery('<iframe style="display:none;" id="_SAVEASIMAGE_TEMP_FRAME"name="_SAVEASIMAGE_TEMP_FRAME" onload="_doSaveAsImage();"width="0" height="0" src="about:blank"></iframe>').appendTo("body");if(document.all._SAVEASIMAGE_TEMP_FRAME.src!=imagePathURL){//圖片地址發生變化，載入圖片document.all._SAVEASIMAGE_TEMP_FRAME.src = imagePathURL;}else{//圖片地址沒有變化，直接另存新檔_doSaveAsImage();}}function _doSaveAsImage(){if(document.all._SAVEASIMAGE_TEMP_FRAME.src!="about:blank")document.frames("_SAVEASIMAGE_TEMP_FRAME").document.execCommand("SaveAs");}//--></script></head><body><input type="button" value="download image" onclick="downLoadImage('http://www.bkjia.com/images/logo.gif');"></body></html>
希望本文所述對大家的javascript程式設計有所協助。
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
