message/pages/add/add.js

// 引入 QCloud 小程序增强 SDK
var qcloud = require('../../vendor/qcloud-weapp-client-sdk/index');

// 引入配置
var config = require('../../config');

// 显示繁忙提示
var showBusy = text => wx.showToast({
    title: text,
    icon: 'loading',
    duration: 10000
});

// 显示成功提示
var showSuccess = text => {
    wx.hideToast();
    wx.showToast({
        title: text,
        icon: 'success'
    });
};

// 显示失败提示
var showModel = (title, content) => {
    wx.hideToast();

    wx.showModal({
        title,
        content: JSON.stringify(content),
        showCancel: false
    });
};
var showMsg = (title, content) => {
    wx.hideToast();

    wx.showModal({
        title,
        content: content,
        showCancel: false
    });
};
//获取应用实例
var app = getApp()
Page({
  data: {
  "imageSrc":'',
  "busy":false,
  "upload_busy":false
  },
  onLoad: function () {
    console.log('onLoad');
  },
  onShow: function () {
    console.log('onShow');
  },
  chooseImage: function() {
    var self = this;
    if(self.data.upload_busy){
      return;
    }
    wx.chooseImage({
      count: 1,
      sizeType: ['compressed'],
      sourceType: ['album'],
      success: function(res) {
        console.log('chooseImage success, temp path is', res.tempFilePaths[0])
        var imageSrc = res.tempFilePaths[0];
        self.setData({
            'upload_busy':true
        })
        //上传图片到服务器
        wx.uploadFile({
          url: config.service.uploadUrl,
          filePath: imageSrc,
          name: 'file',
          success: function(res) {
            console.log('uploadImage success, res is:', res);
            var data=JSON.parse(res.data);
            console.log(data);
            if(data.success==true){
              self.setData({
                  'imageSrc':data.file.url
              })
              showSuccess('上传成功');
            }else{
              showMsg('提示信息','上传失败');
            }
          },
          fail: function({errMsg}) {
            console.log('uploadImage fail, errMsg is', errMsg)
          },
          complete:function(){
            self.setData({
                'upload_busy':false
            })
          }
        })

      },
      fail: function({errMsg}) {
        console.log('chooseImage fail, err is', errMsg)
      }
    })
  },
  formSubmit: function(e) {
    var self = this;
    if(self.data.upload_busy||self.data.busy){
      return;
    }
    if(e.detail.value.text==""&&self.data.imageSrc==""){
      showMsg("提示信息","内容和图片至少有一个不能为空");
      return;
    }
    var data={};
    if(e.detail.value.text!=""){
      data.text=e.detail.value.text;
    }
    if(self.data.imageSrc!=""){
      data.image_url=self.data.imageSrc;
    }
    console.log('form发生了submit事件，携带数据为：', e.detail.value);
    self.setData({
        'busy':true
    })
    qcloud.request({
            // 要请求的地址
            url: config.service.messageAddUrl,
            method:"POST",
            data: data,
            success(result) {
              console.log(result);
              if(result.data.success==true){
                 showSuccess("成功");
                 wx.navigateTo({
                    url: '/pages/view/view?hash_key='+result.data.id
                 })
              }else{
                showMsg("提示信息","新建消息失败");
              }
            },

            fail(error) {
                console.log('request fail', error);
                showMsg("提示信息","新建消息失败");
            },

            complete() {
                self.setData({
                      'busy':false
                  })
                console.log('request complete');
            }
      });
  },
  onShareAppMessage: function () {
    return {
      title: '密件',
      desc: '密件',
      path: 'pages/index/index'
    }
  }
})