jsp摄像头编程示例代码
<!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>控件测试页面</title><script language="javascript" type="text/javascript" src="../js/jquery-1.4.2.min.js" ></script><script type="text/javascript">$(function() {$('#btnUpload1').click(function() {submit_1();})});function auto_select_server_action(){var server_action_url; if ($('#asp').attr("checked")==true) { server_action_url="./submit.asp";}else if ($('#jsp').attr("checked")==true) { server_action_url="http://localhost:8080/pages/submit.jsp"; }else if ($('#php').attr("checked")==true) { server_action_url="./submit.php"; }else if ($('#aspnet').attr("checked")==true) { server_action_url="./submit.aspx"; } else{ alert('请选择服务器端技术类型!'); return ; } document.forms[0].action=server_action_url;}function submit_1(){ auto_select_server_action(); var base64_data = document.getElementById('cap1').jpegBase64Data; document.getElementById('picData').value=base64_data; document.getElementById('picExt').value='.jpg'; document.forms[0].submit();}</script></head><body><form action="" name="form1" id="form1" method="post" target="_blank"> <input type="hidden" id="picData" name="picData"/> <input type="hidden" id="picExt" name="picExt"/> <p>请选择服务器端技术: <label> <input name="radio" type="radio" id="asp" value="asp" checked="checked" /> asp</label> <label> <input type="radio" name="radio" id="jsp" value="jsp" /> jsp</label> <label> <input type="radio" name="radio" id="aspnet" value="asp.net" /> asp.net</label> <label> <input type="radio" name="radio" id="php" value="php" /> php</label> </p> <p> <input type="button" value="启动摄像头" onclick="javascript:document.getElementById('cap1').start();" /> <input type="button" value="拍照" onclick="javascript:document.getElementById('cap1').cap();" /> <input type="button" value="上传" id="btnUpload1"/> </p> <object classid="clsid:34681DB3-58E6-4512-86F2-9477F1A9F3D8" id="cap1" width="100%" height="600" codebase="../cabs/ImageCapOnWeb.cab#version=2,0,0,0"> <param name="Visible" value="0"> <param name="AutoScroll" value="0"> <param name="AutoSize" value="0"> <param name="AxBorderStyle" value="1"> <param name="Caption" value="scaner"> <param name="Color" value="4278190095"> <param name="Font" value="宋体"> <param name="KeyPreview" value="0"> <param name="PixelsPerInch" value="96"> <param name="PrintScale" value="1"> <param name="Scaled" value="-1"> <param name="DropTarget" value="0"> <param name="HelpFile" value> <param name="PopupMode" value="0"> <param name="ScreenSnap" value="0"> <param name="SnapBuffer" value="10"> <param name="DockSite" value="0"> <param name="DoubleBuffered" value="0"> <param name="ParentDoubleBuffered" value="0"> <param name="UseDockManager" value="0"> <param name="Enabled" value="-1"> <param name="AlignWithMargins" value="0"> <param name="ParentCustomHint" value="-1"> <param name="key1" value=""> <param name="key2" value=""> </object></form></body></html>?
<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*,java.io.*" errorPage="" %><%String savePath=config.getServletContext().getRealPath("/")+"//";File tmp_path=new File(savePath);tmp_path.mkdirs();System.out.println("照片数据保存路径:"+savePath);String pic_base_64_data=request.getParameter("picData");//如果下面的代码输出true则说明需要调整服务器软件工作参数，解决接受post数据的大小限制问题,例如//tomcat的话需要在server.xml中配置maxPostSize="0"来解除上传数据的大小限制 <Connector port="8080" protocol="HTTP/1.1" // connectionTimeout="20000" // redirectPort="8443" maxPostSize="0"/>// System.out.println(null==pic_base_64_data);System.out.println("base64 string length:"+pic_base_64_data.length());String fileFormat=request.getParameter("picExt");sun.misc.BASE64Decoder decode=new sun.misc.BASE64Decoder();byte[] datas=decode.decodeBuffer(pic_base_64_data);String filename=String.valueOf(System.currentTimeMillis())+fileFormat;File file=new File(savePath+filename);OutputStream fos=new FileOutputStream(file);System.out.println("图片文件名称:"+filename);fos.write(datas);fos.close();out.print("<a href='" + filename + "'>click here</a>");out.flush();out.close();%>?