<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>人脸注册</title> <script type="text/javascript" src="js/jquery-1.8.3.js"></script> <script type="text/javascript" src="js/index.js"></script> <script type="text/javascript"> function CatchCode() { //实际运用可不写，测试代 ， 为单击拍照按钮就获取了当前图像，有其他用途 var canvans = document.getElementById("canvas"); var video = document.getElementById("video"); var context = canvas.getContext("2d"); canvas.width = video.videoWidth; canvas.height = video.videoHeight; context.drawImage(video,0,0); var imgData = canvans.toDataURL(); //获取图像在前端截取22位以后的字符串作为图像数据 var imgData1 = imgData.substring(22); var username = $("#username").val(); $.ajax({ type: "post", url: "FaceServlet?tag=reg", data: {"img":imgData1,"username":username}, success: function(data){ alert(data); },error:function(msg){ alert("错误"); } }); } </script> </head> <body> <h2>注册</h2> 用户名： <input type="text" name="username" id="username" /> <br /> 录入头像： <div id="support"></div> <div id="contentHolder"> <video id="video" width="120" height="90" style="border:1px solid red;border-radius: 800px;" autoplay></video> <canvas style="border:1px solid red;border-radius: 800px;width:120px;height:80px;" id="canvas"></canvas> </div> <br /> <input type="button" value="确认" id="snap" /> <br /> <a href="login.jsp">点击登陆</a> </body> </html>
