我使用插件ScriptCam基本上用网络摄像头拍照。我想在用户点击"快照到图像"后保存img。它可以通过网络浏览器下载,现在好了,最终目标是将img下载到特定的目标文件夹,我希望这可以在不使用任何PHP的情况下工作。
我的代码:
<!DOCTYPE html>
<html>
<head>
<script language="JavaScript" src="//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script language="JavaScript" src="//ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js"></script>
<script language="JavaScript" src="scriptcam.js"></script>
<script language="JavaScript">
$(document).ready(function() {
$("#webcam").scriptcam({
showMicrophoneErrors:false,
onError:onError,
cornerRadius:20,
cornerColor:'e3e5e2',
onWebcamReady:onWebcamReady,
uploadImage:'upload.gif',
onPictureAsBase64:base64_tofield_and_image
});
});
function base64_tofield() {
$('#formfield').val($.scriptcam.getFrameAsBase64());
};
function base64_toimage() {
$('#image').attr("src","data:image/png;base64,"+$.scriptcam.getFrameAsBase64());
};
function base64_tofield_and_image(b64) {
$('#formfield').val(b64);
$('#image').attr("src","data:image/png;base64,"+b64);
};
function changeCamera() {
$.scriptcam.changeCamera($('#cameraNames').val());
}
function onError(errorId,errorMsg) {
$( "#btn1" ).attr( "disabled", true );
$( "#btn2" ).attr( "disabled", true );
alert(errorMsg);
}
function onWebcamReady(cameraNames,camera,microphoneNames,microphone,volume) {
$.each(cameraNames, function(index, text) {
$('#cameraNames').append( $('<option></option>').val(index).html(text) )
});
$('#cameraNames').val(camera);
}
</script>
</head>
<body>
<div style="width:330px;float:left;">
<div id="webcam">
</div>
<div style="margin:5px;">
<img src="webcamlogo.png" style="vertical-align:text-top"/>
<select id="cameraNames" size="1" onChange="changeCamera()" style="width:245px;font-size:10px;height:25px;">
</select>
</div>
</div>
<div style="width:135px;float:left;">
<p><button class="btn btn-small" id="btn2" onclick="base64_toimage()">Snapshot to image</button></p>
</div>
<div style="width:200px;float:left;">
<p><img id="image" style="width:200px;height:153px;"/></p>
</div>
<a href="#" class="downloadAsImage hide" download>Download</a>
<script type="text/javascript">
$(function() {
html2canvas($('.main'), {
onrendered: function(canvas) {
$('.downloadAsImage').attr('href', canvas.toDataURL()).removeClass('hide');
}
});
});
</script>
</body>
</html>
我真的很难过。底部的脚本将保存整个页面,当它执行此操作时,img甚至不会保存到页面中。我只想保存进入
的img<div style="width:200px;float:left;">
<p><img id="image" style="width:200px;height:153px;"/></p>
</div>