face_search.ftl
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<div class="layui-row">
<div class="layui-col-xs7 layui-col-md-offset3" align="center">
<div style="margin: 0,auto; width: 800px;height: 80px;background-color: #383939">
<div style="margin: 0,auto;height: 80px;text-align:center;line-height:80px;font-size: 40px;color: #E51C23">
人脸识别系统
</div>
</div>
<div id="regcoDiv">
</div>
<div>
<table frame="void">
<tr>
<td><button title="人脸识别" value="人脸识别" onclick="getMedia2()"
style="color:#FFFFFF;height: 30px;display:block;margin:0 auto;margin-top:10px;width:120px;background-color: #3F51B5;border-radius:5px;text-align: center;line-height: 30px;font-size: 20px" >摄像头识别</button></td>
<td><button style="color:#FFFFFF;height: 30px;display:block;margin:0 auto;margin-top:10px;width:120px;background-color: #3F51B5;border-radius:5px;text-align: center;line-height: 30px;font-size: 20px" onclick="imageTo()">照片识别</button></td>
</tr>
<tr><td colspan="2"><button id="snap" onclick="chooseFileChangeComp()" style="color:#FFFFFF;height: 30px;display:block;margin:0 auto;margin-top:10px;width:100px;background-color: #3F51B5;border-radius:5px;text-align: center;line-height: 30px;font-size: 20px">提交</button></td></tr>
</table>
</div>
<div>
<img id="imageDivComp" />
</div>
</div>
</div>
<script>
function chooseFile() {
$("#file1").trigger('click');
}
function imageTo()
{
$("#regcoDiv").empty();
let imageInput = "<h2>点击图片区域上传文件</h2><input style='display: none' type='file' name='file1' id='file1' multiple='multiple' /><br><img src='images/shibie.jpg' onclick='chooseFile()' id='img0' style='width: 30rem;height: 25rem;'>";
$("#regcoDiv").append(imageInput);
}
$(document).on("change","#file1",function(){
var objUrl = getObjectURL(this.files[0]) ;//获取文件信息
console.log("objUrl = "+objUrl);
if (objUrl) {
$("#img0").attr("src", objUrl);
}
});
function getObjectURL(file) {
var url = null;
if (window.createObjectURL!=undefined) {
url = window.createObjectURL(file) ;
} else if (window.URL!=undefined) { // mozilla(firefox)
url = window.URL.createObjectURL(file) ;
} else if (window.webkitURL!=undefined) { // webkit or chrome
url = window.webkitURL.createObjectURL(file) ;
}
return url ;
}
$("#imageDivComp").click(function () {
$("#chooseFileComp").click();
});
function getMedia2() {
$("#regcoDiv").empty();
let vedioComp = "<video id='video2' width='500px' height='500px' autoplay='autoplay' muted=true style='margin-top: 20px'></video><canvas id='canvas2' width='500px' height='500px' style='display: none'></canvas>";
$("#regcoDiv").append(vedioComp);
let constraints = {
video: {width: 500, height: 500},
// audio: true
};
//获得video摄像头区域
let video = document.getElementById("video2");
//这里介绍新的方法，返回一个 Promise对象
// 这个Promise对象返回成功后的回调函数带一个 MediaStream 对象作为其参数
// then()是Promise对象里的方法
// then()方法是异步执行，当then()前的方法执行完后再执行then()内部的程序
// 避免数据没有获取到
let promise = navigator.mediaDevices.getUserMedia(constraints);
promise.then(function (MediaStream) {
video.srcObject = MediaStream;
video.play();
});
// var t1 = window.setTimeout(function() {
// chooseFileChangeComp()
// },2000)
}
function chooseFileChangeComp() {
let regcoDivComp = $("#regcoDiv");
if(regcoDivComp.has('video').length)
{
let video = document.getElementById("video2");
let canvas = document.getElementById("canvas2");
let ctx = canvas.getContext('2d');
ctx.drawImage(video, 0, 0, 500, 500);
var base64File = canvas.toDataURL();
var formData = new FormData();
formData.append("groupId", "101")
formData.append("file", base64File);
$.ajax({
type: "post",
url: "/faceSearch",
data: formData,
contentType: false,
processData: false,
async: false,
success: function (text) {
var res = JSON.stringify(text)
if (text.code == 0) {
var name = text.data.name;
$("#nameDiv").html("姓名：" + name);
var similar = text.data.similarValue;
$("#similarDiv").html("相似度：" + similar + "%");
var age = text.data.age;
$("#ageDiv").html("年龄：" + age);
var gender = text.data.gender;
$("#genderDiv").html("性别：" + gender);
// img.css("background-image", 'url(' + text.data.image + ')');
alert("姓名：" + name +"\n相似度：" + similar + "%" + "\n年龄：" + age +"\n性别：" + gender);
} else {
$("#nameDiv").html("");
$("#similarDiv").html("");
$("#ageDiv").html("");
$("#genderDiv").html("");
alert("人脸不匹配")
}
},
error: function (error) {
$("#nameDiv").html("");
$("#similarDiv").html("");
$("#ageDiv").html("");
$("#genderDiv").html("");
alert(JSON.stringify(error))
}
});
}
else
{
var file = $("#file1")[0].files[0];
if (file == undefined) {
alert("请选择有人脸的图片进行识别");
return;
}
var formData = new FormData();
var reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = function () {
var base64 = reader.result;
formData.append("file", base64);
formData.append("groupId", 101);
$.ajax({
type: "post",
url: "/faceSearch",
data: formData,
contentType: false,
processData: false,
async: false,
success: function (text) {
var res = JSON.stringify(text)
if (text.code == 0) {
var name = text.data.name;
// $("#nameDiv").html("姓名：" + name);
var similar = text.data.similarValue;
// $("#similarDiv").html("相似度：" + similar + "%");
var age = text.data.age;
// $("#ageDiv").html("年龄：" + age);
var gender = text.data.gender;
// $("#genderDiv").html("性别：" + gender);
// img.css("background-image", 'url(' + text.data.image + ')');
alert("姓名：" + name +"\n相似度：" + similar + "%" + "\n年龄：" + age +"\n性别：" + gender);
} else {
$("#nameDiv").html("");
$("#similarDiv").html("");
$("#ageDiv").html("");
$("#genderDiv").html("");
alert("人脸不匹配")
}
},
error: function (error) {
$("#nameDiv").html("");
$("#similarDiv").html("");
$("#ageDiv").html("");
$("#genderDiv").html("");
alert(JSON.stringify(error))
}
});
}
}
}
</script>