標籤：http 使用 檔案 io for cti
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>簡單的html5 File測試 for pic2base64</title> <script> window.onload = function(){ var input = document.getElementById("demo_input"); var result= document.getElementById("result"); var img_area = document.getElementById("img_area"); if ( typeof(FileReader) === ‘undefined‘ ){ result.innerHTML = "抱歉，你的瀏覽器不支援 FileReader，請使用現代瀏覽器操作！"; input.setAttribute( ‘disabled‘,‘disabled‘ ); } else { input.addEventListener( ‘change‘,readFile,false );} } function readFile(){ var file = this.files[0]; console.log(file);//這裡我們判斷下類型如果不是圖片就返回 去掉就可以上傳任意檔案 if(!/image\/\w+/.test(file.type)){ alert("請確保檔案為映像類型"); return false; } var reader = new FileReader(); reader.readAsDataURL(file); reader.onload = function(e){ //result.innerHTML = ‘<img src="‘+this.result+‘" />‘; //img_area.innerHTML = ‘<div class="sitetip">圖片img標籤展示：</div><img src="‘+this.result+‘" />‘; } } </script> </head> <body> <input type="file" value="sdgsdg" id="demo_input" /> <textarea id="result" rows=30 cols=300></textarea> <p id="img_area"></p> </body> </html>Start building with 50+ products and up to 12 months usage for Elastic Compute Service
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