index.js

bindFace: function() {    let that = this;    let timestamp = Date.parse(new Date());    timestamp = timestamp / 1000;    // console.log("当前时间戳为：" + timestamp);    that.wecropper.getCropperImage((src) => {      if (src) {        wx.getFileSystemManager().readFile({          filePath: src, //选择图片返回的相对路径          encoding: 'base64', //编码格式          success: res => { //成功的回调            that.setData({              // userImageBase64: 'data:image/png;base64,' + res.data,              noHeadImageBase64: res.data,                          })          },          complete:res=>{            if (that.data.noHeadImageBase64) {              wx.showLoading({                title: '识别中',                mask: true              });              let urlBase64 = encodeURIComponent(that.data.noHeadImageBase64);              let facedata = {                app_id: 'xxxxxx',                image: that.data.noHeadImageBase64,                mode: '0',                nonce_str: 'zzzzz',                time_stamp: timestamp,                app_key: 'aaaaaa'              }              let facedata2 = JSON.stringify(facedata);              let list = 'app_id=xxxxx&image=' + urlBase64 + '&mode=0' + '&nonce_str=zzzzz&time_stamp=' + timestamp + '&app_key=aaaaaa';              let encrypted = md5(list);              let encryptedUpper = encrypted.toUpperCase();              let finalfacedata = {                app_id: 'xxxxxx',                time_stamp: timestamp,                nonce_str: 'zzzzz',                image: that.data.noHeadImageBase64,                mode: '0',                sign: encryptedUpper,                app_key: 'aaaaaa'              }              let finalfacedata2 = JSON.stringify(finalfacedata)              wx.request({                url: 'https://api.ai.qq.com/fcgi-bin/face/face_detectface',                dataType: 'json',                method: 'POST',                header: {                  'content-type': 'application/x-www-form-urlencoded'                },                data: finalfacedata,                success: function (res) {                  wx.hideLoading();                  if (res.data.ret == 0) {                    //成功                  } else {                    wx.showModal({                      title: '提示',                      content: '识别失败',                      showCancel: false                    })                  }                },              })            }          }        })      }      else      wx.showModal({        title: '提示',        content: '请上传图片',        showCancel: false      })    });  },复制代码