<body> 上传图片: <input type="file" name="file" style=" 200px; height: 20px;" onchange="PreviewImage(this)" id="upload" /> <div id="imgPreview" style="120px; height:100px;margin-left: 280px;"> </div> </body> </html> <script type="text/javascript"> function PreviewImage(imgFile) { var filextension = imgFile.value.substring(imgFile.value.lastIndexOf("."), imgFile.value.length); filextension = filextension.toLowerCase(); if ((filextension != '.jpg') && (filextension != '.gif') && (filextension != '.jpeg') && (filextension != '.png') && (filextension != '.bmp')) { alert("对不起,系统仅支持标准格式的照片,请您调整格式后重新上传,谢谢 !"); imgFile.focus(); } else { var path; if (document.all)//IE { imgFile.select(); path = document.selection.createRange().text; document.getElementById("imgPreview").innerHTML = ""; document.getElementById("imgPreview").style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true',sizingMethod='scale',src="" + path + "")";//使用滤镜效果 } else//FF { path = window.URL.createObjectURL(imgFile.files[0]); document.getElementById("imgPreview").innerHTML = "<img id='img1' width='120px' height='100px' src='" + path + "'/>"; // document.getElementById("img1").src = path; } } } </script>