Mini program calls Baidu Cloud interface to implement face recognition

   选择图片   颜值：{{face.beauty}} 年龄：{{face.age}} 性别：{{face.gender.type}} 情绪：{{face.emotion.type}}  

.c1{ padding: 50rpx; } .c1-1{ height: 800rpx; margin-bottom: 20rpx; display: flex; justify-content: center; font-size: 30rpx; box-shadow: 0px 0px 10px gray; } .c1-2{ }

//获取app.js对象 var app = getApp(); Page({ data: { face: {},//检测结果 img: '', //选择的图片 showResult: false //检测是由有结果 }, onLoad: function (options) { //console.log('获取全局变量数据：' + app.globalData.access_token); }, //选择图片事件 chooseImage(){ var that = this; wx.chooseImage({ count: 1, sizeType: ['original', 'compressed'], sourceType: ['album', 'camera'], success (res) { const tempPath = res.tempFilePaths[0];//获取选择的图片的地址 //准备好了access_token和图片后，就可以开始请求百度的人脸检测接口了https://aip.baidubce.com/rest/2.0/face/v3/detect //该接口需要的参数是access_token，图片的base64值 //图片的base64值的处理 var base64 = wx.getFileSystemManager().readFileSync(tempPath,'base64'); //提示 wx.showLoading({ title: '人脸检测中...', mask: true }); //开始请求百度的人脸检测接口 wx.request({ url: 'https://aip.baidubce.com/rest/2.0/face/v3/detect?access_token='+app.globalData.access_token, data: { image: base64, image_type: 'BASE64', face_field: 'age,beauty,expression,face_shape,gender,glasses,race,emotion' face_field: 'name, kind' }, method: 'POST', header: {'content-type': 'application/json'}, //header: {'content-type': 'application/x-www-form-urlencoded'}, success (res) { console.log(res); if(res.statusCode == 200 && res.data.error_code == 0){ //检测结果正确 //将选择的图片回显到页面 //that.setData({img: tempPath}); that.setData(); //植物识别要传入键值对 //取出检测的结果进行页面显示 var face = res.data.result.face_list[0]; console.log(face); that.setData({face: face,showResult: true}); //隐藏加载窗口 wx.hideLoading(); }else{ wx.showToast({ title: '检测失败'+res.data.error_msg, duration: 5000 }); } } }) } }) }, /** * 用户点击右上角分享 */ onShareAppMessage: function () { } })

//app.js App({ onLaunch: function () { var access_token = wx.getStorageSync('access_token'); var expire_in = wx.getStorageSync('expire_in'); // var access_token = parse; var access_token_date = parseInt(wx.getStorageSync('access_token_date')); var now = new Date().getTime(); if(!access_token){ this.requestToken(); } else if(now > access_token_date + expire_in){ this.requestToken(); }else{ } // 展示本地存储能力 var logs = wx.getStorageSync('logs') || [] logs.unshift(Date.now()) wx.setStorageSync('logs', logs) // 登录 wx.login({ success: res => { // 发送 res.code 到后台换取 openId, sessionKey, unionId } }) // 获取用户信息 wx.getSetting({ success: res => { if (res.authSetting['scope.userInfo']) { // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框 wx.getUserInfo({ success: res => { // 可以将 res 发送给后台解码出 unionId this.globalData.userInfo = res.userInfo // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回 // 所以此处加入 callback 以防止这种情况 if (this.userInfoReadyCallback) { this.userInfoReadyCallback(res) } } }) } } }) }, globalData: { userInfo: null }, requestToken() { var that = this; wx.request({ url: 'https://aip.baidubce.com/oauth/2.0/token', data: { grant_type: 'client_credentials', // aaa那里填写自己的百度key值 client_id: 'aaa', client_secret: 'aaa' }, //header: {'content-type': 'application/json'}, header: {'content-type': 'application/x-www-form-urlencoded'}, success (res) { if(res.statusCode == 200){ wx.setStorageSync("access_token", res.data.access_token); wx.setStorageSync("expires_in", res.data.expires_in); //wx.setStorageSync("access_token_date", res.data.access_token_date); wx.setStorageSync("access_token_date", new Date().getTime()); that.globalData.access_token = res.data.access_token; } } }) } })