小程序中如何接入人脸融合功能

惠民小程序小编了解到，微信小程序成为当下热门话题，下面从多个方面来谈谈小程序中如何接入人脸融合功能 。

最新消息， 探悉，筹备已久的微信「令吉钱包」將在6月份开跑，这也意味着马来西亚微信用户再等多几天

小程序人脸融合功能是一个什么样的样式效果，小程序接入人脸融合功能需要如何开发，下面为大家解答。

效果图

https://ai.qq.com/cgi-bin/console_overview登录腾讯AI，创建并勾选相关接口即可。

记得复制APPID APPKEY

创建一个SpringMVC工程，包含上传相关jar。或者SpringBoot工程也行。鄙人后端还在完善并没有完全开源。具体可以参考https://gitee.com/xshuai/xai项目

Java调用腾讯AI接口。小帅丶已经封装成SDK。也是开源的https://gitee.com/xshuai/taip

如果使用maven搭建。直接pom引入即可哦

cn.xsshometaip4.2.1FaceMergeController（后端处理代码）

import java.util.Iterator;import org.apache.log4j.Logger;import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.multipart.MultipartFile;import org.springframework.web.multipart.MultipartHttpServletRequest;import cn.xsshome.taip.ptu.TAipPtu;/*** 人脸融合接口* url:http://www.xxx.com/facemerge/uploadFM*/@Controller@RequestMapping(value="/facemerge")@Scope("prototype")public class FaceMergeController extends BaseController{private static final Logger logger = Logger.getLogger(FaceMergeController.class);/** * 人脸融合 * @throws Exception */@RequestMapping(value="/uploadFM",method=RequestMethod.POST)public void UploadBDANIMAL()throws Exception{TAipPtu aipPtu = new TAipPtu("APPID","APPKEY");String model = request.getParameter("model");logger.info("model的值是===="+model);String model = request.getParameter("model");logger.info("model的值是===="+model);String result = "";MultipartHttpServletRequest mpRequest = (MultipartHttpServletRequest)this.request;Iterator iter = mpRequest.getFileNames();MultipartFile file = null;while (iter.hasNext()) {file = mpRequest.getFile((String)iter.next());if ((file != null) && (file.getSize() != 0L)){byte[] image = file.getBytes();String apiPtuResult = aipPtu.faceMerge(image,Integer.parseInt(model));PrintUtil.printJson(this.response,apiPtuResult);} else {logger.error("请检查上传文件是否正确");result = "{"result","FAIL","msg":"服务器开小差了"}";PrintUtil.printJson(this.response,result);}}}}BaseController(基类)

import java.util.Map;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.springframework.web.bind.annotation.ModelAttribute;/** * 基类Controller* 一些参数 * Title: BaseController * @author 小帅丶 * @version 1.0 */public class BaseController {public Map session;public String openId;public String errMsg;public String jsonParam;public String callback;protected HttpServletRequest request;protected HttpServletResponse response;/** * 每次请求都会带上 * @param jsonParam * @param callback * @param openId */@ModelAttributepublic void setReqAndRes(Map session,String openId,String errMsg,String jsonParam,String callback,HttpServletRequest request,HttpServletResponse response) {this.session = session;this.openId = openId;this.errMsg = errMsg;this.jsonParam = jsonParam;this.callback = callback;this.request = request;this.response = response;}public Map getSession() {return session;}public void setSession(Map session) {this.session = session;}public String getOpenId() {return openId;}public void setOpenId(String openId) {this.openId = openId;}public String getErrMsg() {return errMsg;}public void setErrMsg(String errMsg) {this.errMsg = errMsg;}public String getJsonParam() {return jsonParam;}public void setJsonParam(String jsonParam) {this.jsonParam = jsonParam;}public String getCallback() {return callback;}public void setCallback(String callback) {this.callback = callback;}public HttpServletRequest getRequest() {return request;}public void setRequest(HttpServletRequest request) {this.request = request;}public HttpServletResponse getResponse() {return response;}public void setResponse(HttpServletResponse response) {this.response = response;}public String getRealPath(String path) {return request.getSession().getServletContext().getRealPath(path);}}PrintUtil(响应类)

import java.io.IOException;import java.io.PrintWriter;import java.io.Writer;import javax.servlet.http.HttpServletResponse;/** * 输出结果 * @author 小帅丶 * */public class PrintUtil {public static void printXml(HttpServletResponse response,String result){try {response.setContentType("text/xml; charset=UTF-8");PrintWriter sos = response.getWriter();sos.write(result);sos.flush();sos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 采用json 或 jsonp * @param callback * @param response * @param result */public static void printJson(String callback,HttpServletResponse response,String result){boolean jsonP = false;if (callback != null) {jsonP = true;response.setContentType("text/javascript;charset=utf-8");} else {response.setContentType("application/x-json;charset=utf-8");}try {Writer out = response.getWriter();if (jsonP) {out.write(callback + "(");}out.write(result.toString());if (jsonP) {out.write(");");}out.flush();out.close();} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}public static void printJson(HttpServletResponse response,String result){try {response.setCharacterEncoding("UTF-8");response.setContentType("application/json; charset=utf-8");PrintWriter sos = response.getWriter();sos.write(result);sos.flush();sos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}

微信小程序上传限制为2048kb。相关图片过多超了限制。因此需要用到云存储。使用阿里云 腾讯云都可以哦。在亲测的情况下发现。即使云储存域名不在小程序里面添加也是可以正常访问哦

（编辑：李大同）

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