微信小程序上传多张图片，及php后台处理

微信小程序上传多张图片，级小程序页面布局直接来代码index.wxml

<view class='body' style='width:{{windowWidth}}px;height:{{windowHeight}}px;'>
  <view style='padding:40rpx;'>
    <text class='ttile'>请填写您的意见</text>
  </view>
  <view class='inp_1'>
    <view class="inp_name inp">
      <input class='input input_name'placeholder="我的姓名" bindblur="get_name" disabled='{{is_anonymous}}' value='{{is_anonymous?"":name.value}}' type="text" id='name' />
    </view>
    <view class="inp_phone inp">
      <input class='input input_name' id='phone'disabled='{{is_anonymous}}' value='{{is_anonymous?"":phone.value}}'  bindblur="get_phone"  placeholder='联系电话' type="number" />
    </view>
  </view>
  <view style='height:130rpx;width:90%;margin:0 auto;'>
    <view class="body-view" style='float:right;margin-top:30rpx;'>
<label for='is_anonymous'>
      <view class="weui-cells__title" style='float:left;margin-right:20rpx;'>匿名举报</view>
  </label>
      <switch bindchange="switch1Change" id='is_anonymous' bindchange="is_anonymous"/>
    </view>
  </view>
  <view style='padding:30rpx;'>
    <text class='ttile'>举报详情</text>
  </view>
  <textarea value='{{textarea}}' class='text' maxlength="2000" bindblur="get_textarea"></textarea>

  <view class="weui-uploader">

    <view class="weui-uploader__hd">

      <view style='padding:30rpx;'>
        <text class='ttile'>上传附件</text>
      </view>
    </view>

    <view class="weui-uploader__bd">

      <view class="weui-uploader__file">
        <image class="weui-uploader__img" wx:for="{{imagesList}}" src="{{item}}"></image>
      </view>
      <view class="weui-uploader__input-box">
        <view class="weui-uploader__input js_file" type="file" accept="image/jpg,image/jpeg,image/png,image/gif" multiple="" bindtap='uploader' name="images"></view>
      </view>
    </view>
  </view>
  <button type='primary' bindtap='submit'>提交</button>
</view>

index.js

Page({

  /**
   * 页面的初始数据
   */

  data: {
    max:-1,
    productInfo: {},
    titleCount: 0,
    contentCount: 0,
    title: '',
    content: '',
    images: '' ,
    upload_picture_list: [],
    imagesList:[]
     , img:'/images/up.png',
    file:'',
    is_anonymous: false,
    name:'',
    phone:'',
    textarea:''
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var that = this;
    wx.getSystemInfo({
      success: function (res) {
        console.log(res);
        // 屏幕宽度、高度
        console.log('height=' + res.windowHeight);
        console.log('width=' + res.windowWidth);
        // 高度,宽度 单位为px
        that.setData({
          windowWidth:  res.windowWidth,
          windowHeight:  res.windowHeight,
        })
      }
    })
  },

  get_name:function(e){
    console.log(e.detail);
    var that=this;

    if (!that.data.is_anonymous) {
      if (e.detail.cursor > 4) {
        wx.showToast({
          title: '姓名不能超过四个字符',
          icon: 'none',
          duration: 2000
        });

      }
    }
      that.setData({
        name: e.detail
      });
  },

  get_phone: function (e) {
    console.log(e.detail);
    var that = this;
    if (!that.data.is_anonymous) {
      if (e.detail.cursor !== 11) {
        wx.showToast({
          title: '请输入正确的手机号',
          icon: 'none',
          duration: 2000
        });

      }
    }
    that.setData({
      phone: e.detail
    });
  },

  is_anonymous:function(e){
    console.log(e.detail);
    var that = this;
    that.setData({
      is_anonymous: e.detail.value
    });

  },

  get_textarea:function(e){
    console.log(e.detail);
    var that = this;
    that.setData({
      textarea: e.detail.value
    });

  },
  uploader: function () {
    var that = this;
    let imagesList = [];
    let maxSize = 1024 * 1024;
    let maxLength = 6;
    let flag = true;
    wx.chooseImage({
      count: 6, //最多可以选择的图片总数
      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) {
        wx.showToast({
          title: '正在上传...',
          icon: 'loading',
          mask: true,
          duration: 500
        })
        for (let i = 0; i < res.tempFiles.length; i++) {
          if (res.tempFiles[i].size > maxSize) {
            flag = false;
            console.log(111)
            wx.showModal({
              content: '图片太大，不允许上传',
              showCancel: false,
              success: function (res) {
                if (res.confirm) {
                  console.log('用户点击确定')
                }
              }
            });
          }
        }
        if (res.tempFiles.length > maxLength) {
          console.log('222');
          wx.showModal({
            content: '最多能上传' + maxLength + '张图片',
            showCancel: false,
            success: function (res) {
              if (res.confirm) {
                console.log('确定');
              }
            }
          })
        }
        if (flag == true && res.tempFiles.length <= maxLength) {
          that.setData({
            imagesList: res.tempFilePaths
          })
        }
        console.log(res);
      },
      fail: function (res) {
        console.log(res);
      }
    })
  },
  submit: function (res) {
    console.log(res);
    var that = this;
    if (!that.data.is_anonymous){
      if (that.data.name.cursor>4){
        wx.showToast({
          title: '姓名不能超过四个字符',
          icon: 'none',
          duration: 2000
        });
        return false;
}
      if (that.data.phone.cursor!==11) {
        wx.showToast({
          title: '请输入正确的手机号',
          icon: 'none',
          duration: 2000
        });
        return false;
      }
}
    if (that.data.textarea.length<1) {
      wx.showToast({
        title: '请输入举报详情！',
        icon: 'none',
        duration: 2000
      });
      return false;
    }

var id=false;
    wx.showLoading({
      title: '上传中...',

    })
    wx.request({
      url: 'https://www.top/index.php/api/index/index',
      method: 'post',
      data: {
        name: that.data.name.value,
        phone: that.data.phone.value,
        is_anonymous: that.data.is_anonymous,
        textarea: that.data.textarea
      }, success: function (res) {
        console.log(res);
        if (res.data.success){
          id = res.data.id;
          for (let i = 0; i < that.data.imagesList.length; i++) {
            wx.uploadFile({
              url: 'https://www.top/index.php/api/index/upload.html?id=' + id,
              filePath: that.data.imagesList[i],
              name: 'uploadfile_ant',
              header: {
                "Content-Type": "multipart/form-data"
                // 'Content-Type': 'application/json'
              },
              success: function (data) {
                if ((that.data.imagesList.length - 1)==i){
                  wx.hideLoading();
                  wx.showToast({
                    title: '成功',
                    icon: 'success',
                    duration: 2000
                  })

                  that.setData({
                    imagesList: []
                    , img: '/images/up.png',
                    file: '',
                    is_anonymous: false,
                    name: '',
                    phone: '',
                    textarea: ''
                  });
                  setTimeout(function () {
                    wx.navigateTo({
                      url: '../success/success',
                    })
                  }, 2000)

}
              },
              fail: function (data) {
                console.log(data);
              }
            });
          }
        }
      }
    });
  },
  /**
   * 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 () {

  }
})

index.wxss"

.body {
  background: #f6f6f6;
}

.title {
  position: relative;
  top: 60rpx;
  text-align: center;
}

.text {
  margin: 0 auto;
  width: 90%;
  height: 250rpx;
  border: 1rpx solid rgb(167, 161, 161);
  border-radius: 6rpx;
  background-color: #ffffff;
}

button {
  line-height: 80rpx;
  width: 80%;
  height: 80rpx;
  margin-top: 40rpx;
  position: relative;
}

page {
  background: #f6f7f8;
}

.question-form {
  margin: 25rpx;
}

.question-input-area {
  background-color: #fff;
  border: 1rpx solid #f2f2f2;
  border-radius: 4rpx;
}

.question-title-wrap {
  display: flex;
  align-items: center;
  border-bottom: 1rpx solid #ccc;
  margin: 10rpx 30rpx;
  padding: 20rpx 0;
}

.question-title {
  flex: 1;
}

.weui-textarea-counter, .title-input-counter {
  color: #b3b3b3;
  font-size: 14px;
  padding-left: 10rpx;
}

.weui-cell::before, .weui-cells::before, .weui-cell::after, .weui-cells::after {
  border: none;
}

.question-images-area {
  padding: 40rpx 0;
}

.question-images-tool {
  display: flex;
  align-items: center;
}

.question-images {
  display: flex;
  align-items: center;
  margin-top: 40rpx;
}

.q-image-wrap {
  width: 31%;
  margin-right: 10rpx;

}

.q-image {
  flex: 1;
  height: 200rpx;
  width: 100%;
}

.q-image-remover {
  text-align: center;
}

.weui-uploader__file image {
  width: 30%;
  height: 192rpx;
  padding: 10rpx;
  margin-bottom: 10rpx;
}

.weui-uploader__bd {
  width: 85%;
  height: auto;
  margin: 0 auto;
  background-color: #fff;
  padding: 20rpx;
}

.js_file {
  background: url('https://www.gdzhisheng.top/xqxcz/public/weixin/up.png') no-repeat;
  width: 160rpx;
  height: 155rpx;
}

.weui-uploader__file {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}
#name{
  height: 40rpx;
}
.inp_1{
  width:85%;
  margin:0 auto;
  background-color:#ffffff;
   padding:20rpx;
}
.inp{
  padding:20rpx;
}
.inp_name{
  border-bottom:solid #e0dddd 1rpx;
}
.label{
width:30%;display: inline-block;
}
.input{
  width:80%;
  display: inline-block;

}
#is_anonymous{
  /* width: 80rpx;
  height: 80rpx; */
}
.ttile{
  font-family:'微软雅黑';
  font-size: 34rpx;
  color: #6b6a6a;
}
.wx-switch-input{
    width:78rpx !important;
    height:44rpx !important;
    /* background: #50D2C2 !important;
    border: #50d2c2 !important;  */
    /* 2018-07-18 重置开关边框颜色 */
}
/*白色样式（false的样式）*/
.wx-switch-input::before{
    width:76rpx !important;
    height: 40rpx !important;
}
/*绿色样式（true的样式）*/
.wx-switch-input::after{
    width: 36rpx !important;
    height: 40rpx !important;
}

为了完成现有的任务，一些功能还没有实现，比如图片删除的功能

php后台处理图片代码

 public function upload(){
     $file=$_FILES['uploadfile_ant'];
     $dir='upload/weixin/'.date("Ymd").'/';
     $filename=$dir.md5(microtime(true)).'.'.explode('.',$file['name'])[count(explode('.',$file['name']))-1];
     if(!file_exists($_SERVER['DOCUMENT_ROOT'].$dir)){
         mkdir($_SERVER['DOCUMENT_ROOT'].$dir,0777,true);
     }

     if(move_uploaded_file($file['tmp_name'],$_SERVER['DOCUMENT_ROOT'].$filename)){
         $info=Db("infomation")->where(['id'=>input('id')])->value('picture');
if($info==""||$info==null){
    $data['picture']=$filename;
}else{
    $data['picture']=$info.$filename;
}
         Db::startTrans();
         $res=Db("infomation")->where(['id'=>input('id')])->update($data);
if($res!==false){
    Db::commit();
    return json(true);
}else{
    Db::rollback();
    return json(false);
}
     }else{
         return json(false);
     }
    }