微信小程序开发实现人脸识别

public function upload($id=''){  if(empty($id)){   return false;  }   $no = M("student")->where("id={$id}")->getField('no');  $dir = "./Upload/studentface/";  if(!file_exists($dir)){   mkdir($dir, 0777, true);  }  $upload = new /Think/Upload();// 实例化上传类  $upload->maxSize = 3145728 ;// 设置附件上传大小  $upload->exts = array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型  $upload->rootPath = $dir; // 设置附件上传根目录  $upload->savePath = ''; // 设置附件上传（子）目录  $upload->saveName = $no;  $upload->replace = true;  $upload->autoSub = false;  // 上传文件  $info = $upload->uploadOne($_FILES['file']);  if(!$info) {// 上传错误提示错误信息   // return $this->ajaxReturn(array('error'=>true,'msg'=>$upload->getError()));   return json_encode(array('error'=>true,'msg'=>$upload->getError()),JSON_UNESCAPED_UNICODE);  }else{// 上传成功 获取上传文件信息   // return $this->ajaxReturn(array('error'=>false,'msg'=>$info['savepath'].$info['savename'],'id'=>$id));   $file = $dir . $info['savepath'] . $info['savename'];   $image = base64_encode(file_get_contents($file));   $this->facevalid($no,$image);    $m = M('head');   $data = $m->where("no='{$no}'")->find();    if($data){   //有数据，则更新   $m->where("no='{$no}'")->save(array('base64'=>$image, 'path'=>$file));   }else{   $m->add(array('no'=>$no,'base64'=>$image,'path'=>$file));   }    return "采集照片成功";  } } 

public function facevalid($no,$image,$file){   $options = array();   $options["max_face_num"] = 2;  // $options["face_type"] = "LIVE";   // $image=file_get_contents($file);  // $image=base64_encode($image);  // echo $image;  $imageType="BASE64";    // 带参数调用人脸检测  $client=$this->init_face();  $ret=$client->detect($image,$imageType,$options);  // $arr=$ret;  // print_r($ret);  // exit;  if($ret['error_code']==0){//有人脸   $result=$ret['result'];   $face_num=$result['face_num'];    if(1==$face_num){//人脸数量为1   $face_probability=$result['face_list'][0]['face_probability'];   if(1==$face_probability){//可靠性为1    $group=$this->face_group();       // echo $group;    // exit;    $faces=$client->faceGetlist($no,$group);    if($faces['error_code']>0){    $client->addUser($image,'BASE64',$group,$no);    }else{    $client->updateUser($image,'BASE64',$group,$no);    }    // echo '人脸检测完成，并已入库';    // return true;    // $arr = array('error'=>false,'msg'=>'上传成功');      }else{   die('图片质量');    // die('图片质量仅为:'.$face_probability.',上传失败');   }   }else{   die('人脸数量大于1');   // die('人脸数量大于1，失败');   }  }else{   die('没有人脸');   // die('没有人脸，失败');  }  } 

const app = getApp() Page({  data: {  sex: '女',  empty:true  },  cancel: function () {  wx.redirectTo({  url: '../face/face',  })  },   switch1Change: function (e) {  if (e.detail.value) {  this.setData({ sex: '男' })  } else {  this.setData({ sex: '女' })  }  },  formSubmit: function (e) {  // console.log(e);  wx.request({  url: 'http://*****.top/ppp/server/index.php/home/index/index',  data: e.detail.value,  method: 'POST',  header: {  'content-type': 'application/x-www-form-urlencoded'  },  success: (res) => {  console.log(res.data);    if (res.data.error) {   wx.showToast({   title: res.data.msg,   icon: 'none',   duration: 2000   })  } else {   wx.showToast({   title: res.data.msg,   icon: 'success',   duration: 2000   })     setTimeout(function () {   wx.navigateTo({   url: '../headimg/headimg?id=' + res.data.id,   })   }, 2000)    }    }   })   }   }) 

const app = getApp() function upload(that, id) {  if (that.data.files.length == 0) {  return;  }  wx.uploadFile({  url: 'http://****.top/ppp/server/index.php/home/index/upload', //仅为示例，非真实的接口地址  filePath: that.data.files[0],  name: 'file',  formData: {  'id': id  },  success: function (res) {  var data = res.data  // var json = JSON.parse(data)  console.log(data)  wx.showToast({  title: data,  icon:'success',  duration:2000  })  setTimeout(function () {  wx.navigateTo({   url: '../index/index',  })  }, 2000)  }  }) } Page({  chooseImage: function (e) {  var that = this;  wx.chooseImage({  count: 1,  sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有  sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有  success: function (res) {  console.log(res)  // 返回选定照片的本地文件路径列表，tempFilePath可以作为img标签的src属性显示图片  that.setData({   files: res.tempFilePaths,  });  }  })  },  //预览照片  previewImage: function () {  var current = e.target.dataset.src  wx.previewImage({  current: current,  urls: this.data.imageList  })  },   cancel:function(){  wx.redirectTo({  url: '../index/index',  })  },  /**  * 页面的初始数据  */  data: {  files: [],  options:null,  id:null,  },  formSubmit:function(e){  upload(this,this.data.id);  },  /**  * 生命周期函数--监听页面加载  */  onLoad: function (options) {  console.log(options);  this.setData({options:options})  this.setData({ id: options.id })  },   /**  * 生命周期函数--监听页面初次渲染完成  */  onReady: function () {   },   /**  * 生命周期函数--监听页面显示  */  onShow: function () {   },   /**  * 生命周期函数--监听页面隐藏  */  onHide: function () {   },   /**  * 生命周期函数--监听页面卸载  */  onUnload: function () {   },   /**  * 页面相关事件处理函数--监听用户下拉动作  */  onPullDownRefresh: function () {   },   /**  * 页面上拉触底事件的处理函数  */  onReachBottom: function () {   },   /**  * 用户点击右上角分享  */  onShareAppMessage: function () {   } })

<view class="weui-cells__title text">录入学生信息</view> <form bindsubmit="formSubmit">  <view class="weui-cells weui-cells_after-title">  <view class="weui-cell weui-cell_input">  <view class="weui-cell__hd">   <view class="weui-label">学号</view>  </view>  <view class="weui-cell__bd">   <input class="weui-input" placeholder="请输入学号" value='1635050739' name="no" />  </view>  </view>  <view class="weui-cell weui-cell_input weui-cell_vcode">  <view class="weui-cell__hd">   <view class="weui-label">姓名</view>  </view>  <view class="weui-cell__bd">   <input class="weui-input" placeholder="请输入姓名" value='小苏' name="name" />  </view>  </view>  <view class="weui-cell weui-cell_input">  <view class="weui-label">性别</view>  <input class="weui-input" name='sex' value='{{sex}}'/>  <view class='weui-cell_ft'>   <switch checked bindchange='switch1Change'></switch>  </view>  </view>  <view class="weui-cell weui-cell_input weui-cell_vcode">  <view class="weui-cell__hd">   <view class="weui-label">年龄</view>  </view>  <view class="weui-cell__bd">   <input class="weui-input" placeholder="请输入年龄" value='20' name="age" />  </view>  </view>  </view>  <view class="weui-btn-area">  <button class="weui-btn" type="primary" bindtap="showTopTips" formType="submit">注册</button>  <button class="weui-btn" type="default" bindtap='cancel'>返回上级</button>  </view> </form> 

<view class="page" xmlns:wx="http://www.w3.org/1999/xhtml"> <view class="weui-cells__title text">图像采集</view> <view class="weui-cells__title text">{{options.name}} {{options.no}}</view> <form bindsubmit="formSubmit"> <view class="page__bd">  <view class="weui-cells">   <view class="weui-cell">   <view class="weui-cell__bd">    <view class="weui-uploader">    <view class="weui-uploader__hd">     <view class="weui-uploader__title">图片上传</view>     <view class="weui-uploader__info">{{files.length}}/1</view>    </view>    <view class="weui-uploader__bd">     <view class="weui-uploader__files" id="uploaderFiles">     <block wx:for="{{files}}" wx:key="*this">      <view class="weui-uploader__file" bindtap="previewImage" id="{{item}}">      <image class="weui-uploader__img" src="{{item}}" mode="aspectFill"/>      </view>     </block>     </view>     <view class="weui-uploader__input-box">     <view class="weui-uploader__input" bindtap="chooseImage"></view>     </view>    </view>    </view>   </view>   </view>  </view>  </view>  <view class="weui-btn-area">   <button class="weui-btn" type="primary" form-type="submit">确认</button>   <button class="weui-btn" type="default" bindtap='cancel'>取消</button>  </view>  </form> </view>