微信小程序开发（二）图片上传+服务端接收详解

<view class="xd-container"><form bindsubmit="bindSaveTap"><image class="xd-img-user1" catchtap="chooseImageTap" src="{{logo}}"></image><view class="xd-view-section"> <text class="xd-abs xd-flex-left xd-text-nick">昵称</text> <input name="nick_name" placeholder="请输入昵称" class="xd-input" value="{{userInfo.user_name}}"/></view><view class="xd-view-section1"> <text class="xd-abs xd-flex-left xd-text-nick">宝宝性别</text> <radio-group class="xd-abs xd-radio-group" name="baby_sex"> <label class="xd-label-radio" wx:for="{{sex_items}}" wx:key="item"> <radio color="#3cc975" value="{{item.name}}" wx:if="{{item.name==userInfo.baby_sex}}" checked="true"/> <radio color="#3cc975" value="{{item.name}}" wx:else checked="false"/> <text class="xd-radio-text">{{item.value}}</text> </label> </radio-group></view><view class="xd-view-section1"> <text class="xd-abs xd-flex-left xd-text-nick">宝宝年龄</text> <input placeholder="请输入年龄" wx:if="{{userInfo.baby_age != 0}}" value="{{userInfo.baby_age}}" class="xd-input"/> <input name="baby_age" placeholder="请输入年龄" wx:else value="" class="xd-input"/></view><button size="default" class="xd-abs xd-subBtn" formType="submit" hover-class="xd-subBtn-hover">保存</button></form></view>

var util = require('../../../utils/util.js')var app = getApp()Page({ data: {sex_items: [ {name:'1', value:'小王子'}, {name:'2', value:'小公主'}, {name:'0', value:'尚无'}],logo:null,userInfo: {} }, //事件处理函数 bindViewTap: function() {wx.navigateTo({ // url: '../logs/logs'// url: '../load/load'}) }, onLoad: function () {console.log('onLoad')var that = this//调用应用实例的方法获取全局数据app.getUserInfo(function(userInfo){ //更新数据 console.log(userInfo); that.setData({ userInfo:userInfo, logo:userInfo.logo })}) }, bindSaveTap: function(e){console.log(e)var formData = { uid:util.getUserID(), user_name:e.detail.value.nick_name, baby_sex:e.detail.value.baby_sex, baby_age:e.detail.value.baby_age} console.log(formData)app.apiFunc.upload_file(app.apiUrl.modify_user, this.data.logo, 'photos', formData, function(res){ console.log(res);},function(){}) },  chooseImageTap: function(){let _this = this;wx.showActionSheet({ itemList: ['从相册中选择', '拍照'], itemColor: "#f7982a", success: function(res) { if (!res.cancel) { if(res.tapIndex == 0){ _this.chooseWxImage('album') }else if(res.tapIndex == 1){ _this.chooseWxImage('camera') } } }}) },chooseWxImage:function(type){let _this = this;wx.chooseImage({ sizeType: ['original', 'compressed'], sourceType: [type], success: function (res) { console.log(res); _this.setData({ logo: res.tempFilePaths[0], }) } }) }})

//上传文件function upload_file(url, filePath, name, formData, success, fail) {console.log('a='+filePath)wx.uploadFile({ url: rootUrl + url, filePath:filePath, name:name, header: { 'content-type':'multipart/form-data' }, // 设置请求的 header formData: formData, // HTTP 请求中其他额外的 form data success: function(res){ console.log(res); if(res.statusCode ==200 && !res.data.result_code){ typeof success == "function" && success(res.data); }else{ typeof fail == "function" && fail(res); } }, fail: function(res) { console.log(res); typeof fail == "function" && fail(res);  } })}

 if(!empty($_FILES['photos'])){   $up_arr['logo'] = upload_logo('photos','manage/images/user','logo',$user_id,0);   $up_arr['logo'] = $up_arr['logo'][0];   $user_info['logo'] = $Server_Http_Path . $up_arr['logo']; }

if( !function_exists('upload_logo')){ function upload_logo( $key_name='photos', $logo_path='manage/images/nurse', $pre_name='logo', $salt='20160101',$encode = 1,$make=0 ){  $result_arr = array();  global $Server_Http_Path,$App_Error_Conf;  //分文件夹保存   $date_info = getdate();  $year = $date_info['year'];  $mon = $date_info['mon'];  $day = $date_info['mday'];  $logo_path = sprintf("%s/%s/%s/%s",$logo_path,$year,$mon,$day);  if(!is_dir($logo_path)){   $res=mkdir($logo_path,0777,true);  }  //图片上传  //foreach($photos as $key => $photo ){  $photo = $_FILES['photos'];  $name = $key_name;  $file_id = Input::file($name);  if(!empty($file_id) && $file_id -> isValid()){   $entension = $file_id -> getClientOriginalExtension();   if($pre_name == 'baby'){    $new_name = $pre_name . "_" . intval($salt) ."_" .time() . "_" . salt_rand(2,2);   }else {    $new_name = $pre_name . "_" . intval($salt) ."_" . salt_rand(2,2);   }   $path_id = $file_id -> move($logo_path,$new_name."_b.".$entension);   if(!empty($path_id)){    $path_name = $path_id->getPathName();    $image_size=getimagesize($path_name); $weight=$image_size["0"];////获取图片的宽 $height=$image_size["1"];///获取图片的高if($pre_name == "baby" || $pre_name == "video") {      $photo_info['url'] = $path_name;     $photo_info['width'] = $weight;  $photo_info['height'] = $height; $result_arr[] = $photo_info; }else{ $result_arr[] = $path_name; }     //处理图片if($make == 1){ $img = Image::make($path_name)->resize(200, $height*200/$weight);$img->save($logo_path ."/".$new_name."_s.".$entension); //dd($img); // return $img->response('jpg');    }   }if(empty($result_arr)){ $response['result_code'] = -1006; $response['result_msg'] = $App_Error_Conf[-1006];  return response($response);   } if($encode == 1){    $result_arr = json_encode($result_arr);   }  }  return $result_arr; } }