SunjiApplet/pages/order/balance/userComment.js

const app = getApp();
Page({
  data: {
    content: "",
    busMode: "0",
    name: "",
    typelist: [
      "不吃辣",
      "少放辣",
      "多放辣",
      "不吃酸",
      "不要香菜",
      "不吃葱",
      "不吃姜"
    ]
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function(options) {
    var content = "";
    if (app.orderTicket.ext2) {
      content = app.orderTicket.ext2;
    }
    this.setData({
      content: content,
      typelist: this.data.typelist
    })
    this.cy_load_tags();
    this.setData({color:app.globalData.color})
  },

  cy_load_tags:function(){
    var that=this;
    var store= wx.getStorageSync("store", store);
    var storeId=store.storeId;
    var params={
      "storeId":storeId,
      "method":"program.store.memo.tags"
    }
    var ignores = [];
    app.jsapi.api(app.globalData.appKey, app.globalData.appSecret, app.globalData.serverUrl).ajax(params, ignores,
      function(json) {
        var result = json.data;
        if(result.status==1){
          if(result.data.memoTags){
            if(result.data.memoTags.indexOf(",")>=0){
                that.setData({typelist:result.data.memoTags.split(",")})
            }else{
              var memoTags=[];
              memoTags.push(result.data.memoTags); 
              that.setData({typelist:memoTags})
            }
          }
        }
      },function(err){
        app.msg.showMsg("提示", "网络中断，操作失败");
      })
  },

  /**
   * 
   */
  cy_userComment: function(e) {
    var content = e.detail.value;
    if (content.length > 32) {
      this.setData({
        content: this.data.content
      });
      wx.showToast({
        title: '最多32个字！',
        icon: "none"
      })
    } else {
      this.setData({
        content: content
      });
    }
  },

  /**
   * 选择用餐方式
   */
  cy_selectType: function(e) {
    var name = e.currentTarget.dataset.name;
    if ((this.data.content.length + name.length + 1) > 32) {
      wx.showToast({
        title: '最多32个字！',
        icon: "none"
      })
      return;
    }

    if (this.data.content.length != 0) {
      this.data.content = this.data.content + " ";
    }

    this.setData({
      content: this.data.content + name
    });

  },

  /**
   * 完成
   */
  cy_finish: function() {
    var pages = getCurrentPages();
    var prvpage = pages[pages.length - 2];
    app.orderTicket.ext2 = this.data.content;
    prvpage.setData({
      comment: this.data.content
    });
    wx.navigateBack();
  }
})