bw_smallApp/pages/feedback/feedback.js

//logs.js
const util = require('../../utils/util.js')
// var util = require('../../utils/util.js');
var app = getApp();
//textarea.js
Page({
  data: {
    height: 30,
    userInput: '',
    int_number: '100',
    list_number: '100',
    focus: false
  },
  bindButtonTap: function () {
    this.setData({
      focus: true
    })
  },
  bindFormSubmit: function (e) {
    var that = this, token = wx.getStorageSync('user').token, value = e.detail.value.textarea.replace(/(^\s*)|(\s*$)/g, "");
    if (value) {
        wx.request({
          url: app.globalData.HOST + '/user/wx/addMessage',
          method: 'POST',
          data: Object.assign({}, app.globalData.common, {
            token: token,
            content: value
          }),
          success: function (res) {
            if (res.data.errno == 0) {
                app.noticeModal('我们会及时处理，感谢您的反馈～', that.goMine)
            }
          }
        });
    }else{
      app.noticeModal('反馈内容不能为空')
    }
  },
  goMine () {
      wx.switchTab({
        url: '/pages/mine/mine'
      })
  },
  bindTextAreaBlur: function (e) {
    var that = this;
    var textvalue = e.detail.value, int_number = that.data.int_number, list_number = that.data.list_number,
      slen = '';
    var strlen = textvalue.length;
    int_number = strlen;
    if (int_number > list_number) {
      slen = textvalue.substr(0, list_number - 1);
      that.setData({
        userInput: slen
      })
    } else {
      var int_number = list_number - int_number;
      that.setData({
        int_number: int_number,
      })
    }
  }
})