//上传图片
  uploadImages:function(){
    return new Promise(function (resolve, reject) {
      var fileList = new Array(); //文件上传返回的列表
      //上传主题图片 一次只能上传一张好恶心
      for (var i = 0; i < this.data.files.length; i++) {
        wx.uploadFile({
          url: 'http://localhost:8080/cgke/topic/uploadImgs',
          filePath: that.data.files[i],
          name: "files",
          async: false,
          success: function (res) {
            console.log("上传主题图片列表:" + res.data);
            fileList[i] = res.data.data[0];
          }
        })
      }
      //设置变量
      Page.this.setData({
        fileList:fileList
      });
    });
  },
  //发布新主题
  publishTopic:function(){
    return new Promise(function (resolve, reject){
      var fileList=Page.this.data.fileList;
      //发布新主题
      wx.request({
        url: 'http://localhost:8080/cgke/topic/addNew',
        data: {
          userid: getApp().globalData.uid,//发布用户ID
          content: e.detail.value.content,
          ispublic: that.data.isPublic,
          img1: fileList.length > 0 ? fileList[0] : "",
          img2: fileList.length > 1 ? fileList[1] : "",
          img3: fileList.length > 2 ? fileList[2] : "",
          img4: fileList.length > 3 ? fileList[3] : "",
          img5: fileList.length > 4 ? fileList[4] : "",
          img6: fileList.length > 5 ? fileList[5] : "",
          img7: fileList.length > 6 ? fileList[6] : "",
          img8: fileList.length > 7 ? fileList[7] : "",
          img9: fileList.length > 8 ? fileList[8] : ""
        },
        success: function (res) {
          wx.showToast({
            title: "发布成功！"
          });
          wx.switchTab({
            url: '../index/index'
          })
        }
      })
    })
  },
  //提交发布
  doSubmit: function (e) {
    var that = this;
    var topicContent = e.detail.value.content;
    if (topicContent.trim() == "" || topicContent == "请输入文字") {
      wx.showToast({
        title: "主题内容不能为空"
      });
      return;
    }
    if (this.data.files.length == 0) {
      wx.showToast({
        title: "请至少上传一张图片"
      });
      return;
    }
    //先上传图片  再发布主题
    uploadImages().then(publishTopic);
  }