mini program 3

获取textarea的值，通过插值获取

<textarea bindblur="bindTextAreaBlur" auto-height placeholder="请输入texterea内容" value="{{ceshi}}" />

 bindTextAreaBlur: function(e) {
     this.setData({
      ceshi:e.detail.value
     }) 

  },

图片上传

<view class="comment" wx:if="{{showCommentModal && firstPop}}">
  <form bindsubmit="submitComment">
  <view class='comment-content'>
    <view class='comment-input'>
      <textarea placeholder='说说你的体验感受' value="{{content123}}" bindblur="gainContent"></textarea>
    </view>
    <view class='photo-wrap'>
          <view wx:for="{{files}}" wx:key="{{index}}" class='uploadItem'>
            <image class="weui-uploader__img" src="{{item}}" mode="aspectFill" bindtap="previewImage"  id="{{index}}" />
            <text class='deleteImg' bindtap='deleteImg' data-index='{{index}}'>删除</text>
          </view>
        <view class='uploader' bindtap='uploderImg' data-flie='imgFile'></view>
    </view>
  </view>
  <view class='submit'>
    <button bindtap='closeCommentModal' class='closeCommentModal'>关闭</button>
    <button formType="submit" class='submit123'>提交</button>
  </view>
    </form>
</view>

  uploderImg: function (e) {
    var that = this;
    wx.chooseImage({
      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) {
        // 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: that.data.files.concat(res.tempFilePaths)
        });
        console.log(res)
        for (var img_item = 0; img_item < res.tempFilePaths.length;img_item++){
          wx.uploadFile({
            url: app.globalData.hostname + "/api/event/util/addFile",
            filePath: res.tempFilePaths[img_item],
            name: 'file',
            header: { "Content-Type": "multipart/form-data", 'accept': 'application/json' },
            formData: {
              appkey: app.globalData.appkey,
              appsecret: app.globalData.appsecret,
            },
            success: function (res2) {
              res2.data = JSON.parse(res2.data);
              that.data.fileIds.push(String(res2.data.data));
              that.setData({
                fileIds: that.data.fileIds
              });
            }
          })
        }
      }
    })
  },