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https://github.com/yokiyokiyoki/h5ufacedemo

:bug:基于face++ai接口的人脸融合demo(类似人民日报的换军装)
https://github.com/yokiyokiyoki/h5ufacedemo

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:bug:基于face++ai接口的人脸融合demo(类似人民日报的换军装)

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README

        

人脸融合简单demo

# 目录

- [说明](#说明)
- [快速入门](#快速入门)
- [安装](#安装)
- [教程](#教程)
- [License](#license)

## 说明

- 基于 face++ ai 人脸识别接口,人脸融合简单 demo

## 快速入门

### 安装

```bash
$ npm i
$ npm run start
```
打开浏览器输入:localhost:3000

目录说明:

```
├─ public //前端资源
├─files //文件用来存放上传文件
├─ routes //路由
├─ views //模板文件

```
### 教程

##### 搭建一个express工程

```bash
$ npm init //初始化工程
参考package.json复制过来,直接npm install
"dependencies": {
"axios": "^0.18.0",
"baidu-aip-sdk": "^2.3.9",
"body-parser": "~1.17.1",
"cookie-parser": "~1.4.3",
"debug": "~2.6.3",
"ejs": "~2.5.6",
"express": "~4.15.2",
"morgan": "~1.8.1",
"multiparty": "latest",
"serve-favicon": "~2.4.2"
}
```
- 在目录下新建public文件夹(放前端静态资源,css/js/image/files)
- 在目录下新建app.js,编写基础代码(具体参见app.js内部)
```javascript
app.js主要代码

/* 引入路由文件*/
var index = require("./routes/index");

/* 新建一个express实例*/
var app = express();

/* 使用ejs作为模板 */
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "ejs");

/* 前端可以访问静态资源,文件夹是public */
app.use(express.static("public"));

/* 访问首页 */
app.use("/", index);

/* 监听3000端口 */
app.listen(3000, () => {
console.log("app listening on port 3000!");
});
```
- 在目录下新建routes文件夹,新建index.js(express路由)
```javascript
index.js主要代码

var express = require("express");
var router = express.Router();
/* 测试一下get和post请求 */
router.get("/", function(req, res, next) {
res.render("index", { title: "Express" });
});
router.post("/", function(req, res, next) {
res.send("UFace post ok");
});
```
- 在目录下新建views文件夹,新建index.ejs,编写前端主要代码(express模板)
```html


face测试




随便测试


上传face





submit









```

##### 上传图片

- 前端js编写
```javascript
function mergeImg() {
/*变成form对象上传*/
var formData = new FormData();
formData.append("file", $("#upload")[0].files[0]);
$.ajax({
type: "POST",
/* 后端接收路由,下面会说到 */
url: "/file/merge/uploading",
data: formData,
processData: false,
contentType: false,
success: function(res) {
console.log(res);
/* 返回来的填满前端图片src,然后展示 */
$("#target")[0].src = "data:image/png;base64," + res.result;
$("#target").show();
}
});
}
```
- 申请face++的FAPI_KEY
- [face++开放平台](https://www.faceplusplus.com.cn)注册并登陆
- 找到api key和Secret
![](./public/images/1.png)

- 编写后端接口逻辑
```javascript
routes/index.js

/*face++ 的授权,替换成你的*/
let FAPI_KEY = "T_ohwyZ4qPexYQGOM6Qpp3-8tRxums_U";
let FSECRET_KEY = "hlXd8o2G_e_Q6_1FlXvBt09dohPQ9zg-";

let multiparty = require("multiparty");

let fs = require("fs");

router.post("/file/merge/uploading", function(req, res, next) {

var form = new multiparty.Form({
/* 上传的文件存放 */
uploadDir: "./public/files/"
});
/* multiparty解析form文件*/
form.parse(req, function(err, fields, files) {
var filesTmp = JSON.stringify(files, null, 2);

if (err) {
console.log("解析错误" + err);
} else {
console.log( filesTmp);

var inputFile = files.file[0];
var uploadedPath = inputFile.path;

/* 上传的文件 */
var imageFace = fs.readFileSync(uploadedPath);
var base64ImgFace = Buffer.from(imageFace).toString("base64");
/* 读取模板图,编码成base64 */
//TODO:以后自己前端上传模板图
var imageTpl = fs.readFileSync("./public/images/face/timg.jpg");
var base64ImgTpl = Buffer.from(imageTpl).toString("base64");

/* 请求face++接口 */
axios({
method: "post",
url: "https://api-cn.faceplusplus.com/imagepp/v1/mergeface",
data: qs.stringify({
api_key: FAPI_KEY,
api_secret: FSECRET_KEY,
template_base64: base64ImgTpl,
merge_base64: base64ImgFace
})
})
.then(data => {
res.send(data.data);
})
.catch(e => {
console.log(e.response.data);
});
}
});
});
```
- 启动
```bash
$ node app.js
```
- 原图
![](./public/images/huge.png)
- 效果图
![](./public/images/02.png)

## License

- [MIT](https://opensource.org/licenses/MIT)