applet_nongchang/template/cash/index.js

Page({
  dever: getApp().dever,
  authdialog: null,
  product_ids: '',
  cash_code: '',
  data: {
    isUseAddress: false,
    settlement: 0.00
  },
  onLoad: function (options) {
    var that = this;
    that.dever.showLoading();
    //获取自定义授权组件
    that.authdialog = this.selectComponent("#authdialog");
    //获取兑换商品信息
    that.cash_code = options.code;
    that.dever.request('product.api.checkCode',{
      signature: that.dever.getSignature(),
      code: that.cash_code
    },{
      success: function(data, res){
        that.dever.setList(that, data.product);
        that.doSettlement();
        that.dever.hideLoading();
      },
      fail: function(res){
        that.dever.log('product.api.checkCode', res);
      }
    });
  },

  /**
   * 结算金额
   */
  doSettlement: function(){
    var list = this.data.list;
    var count=0;
    for(var i=0; i<list.length; i++){
      var product_id = list[i].id;
      var pay_price = list[i].pay_price;
      count += pay_price*1;
      if(i==0){
        this.product_ids += product_id;
      }else{
        this.product_ids += ',' + product_id;
      }
    }
    this.dever.set(this, 'settlement', count.toFixed(2));
  },

  /**
   * 去支付
   */
  doCash: function(e){
    var that = this;
    var addrObj = that.data.addrObj;
    if (!addrObj) {
      that.dever.alert('请选择收货地址');
    }
    that.dever.request('product.api.code',{
      json: 1,
      signature: that.dever.getSignature(),
      product_id: that.product_ids,
      code: that.cash_code,
      name: addrObj.userName,
      address: addrObj.provinceName + addrObj.cityName + addrObj.countyName + addrObj.detailInfo,
      mobile: addrObj.telNumber
    },{
      success:function(data, res){
        that.dever.redirect('pay/index');
        that.dever.log('doCash success', res);
      },
      fail: function(res){
        that.dever.alert('兑换失败！');
        that.dever.log('doCash fail', res);
      }
    });
  },

  /**
   * 使用微信地址
   */
  chooseAddress: function(event){
    var that = this;
    var success = function(){
      wx.chooseAddress({
        success: function (res) {
          that.dever.log('wx.chooseAddress', res);
          that.dever.set(that,'addrObj', res);
          that.dever.set(that,'isUseAddress', true);
        },
        fail: function (res) {
          that.dever.log('wx.chooseAddress', 'fail');
        }
      })
    }
    wx.getSetting({
      success: function(res){
        if (res.authSetting['scope.address']){
          success();
        }else{
          wx.authorize({
            scope: 'scope.address',
            success: function () {
              success();
            },
            fail: function(res){
              that.authdialog.showDialog();
            }
          })
        }
      }
    })
  }
})