app.js

App({
  data: {
    // 用户信息缓存key
    cache_user_info_key: "cache_shop_user_info_key",

    // 用户站点信息缓存key
    cache_user_merchant_key: "cache_shop_user_merchant_key",

    // 设备信息缓存key
    cache_system_info_key: "cache_shop_system_info_key",

    // 用户地址选择缓存key
    cache_buy_user_address_select_key: "cache_buy_user_address_select_key",

    // 用户传入信息缓存key
    cache_launch_info_key: "cache_shop_launch_info_key",

    // 默认用户头像
    default_user_head_src: "/images/default-user.png",

    // 成功圆形提示图片
    default_round_success_icon: "/images/default-round-success-icon.png",

    // 错误圆形提示图片
    default_round_error_icon: "/images/default-round-error-icon.png",

    // tabbar页面
    tabbar_pages: [
      "index",
      "goods-category",
      "cart",
      "user",
    ],

    // 页面标题
    common_pages_title: {
      "goods_search": "商品搜索",
      "goods_detail": "商品详情",
      "goods_attribute": "属性",
      "user_address": "我的地址",
      "user_address_save_add": "新增地址",
      "user_address_save_edit": "编辑地址",
      "buy": "订单确认",
      "user_order": "我的订单",
      "user_order_detail": "订单详情",
      "user_favor": "我的收藏",
      "answer_form": "留言",
      "answer_list": "问答",
      "user_answer_list": "我的留言",
      "user": "用户中心",
      "goods_category": "分类",
      "cart": "购物车",
      "message": "消息",
      "user_integral": "我的积分",
      "user_goods_browse": "我的足迹",
    },

    // 请求地址
    request_url: "{{request_url}}",
    //request_url: "https://test.shopxo.net/",
    //request_url: 'http://tp5-dev.com/',

    // 基础信息
    application_title: "{{application_title}}",
    application_describe: "{{application_describe}}",
  },

  /**
   * 小程序初始化
   */
  onLaunch(options) {
    // 设置设备信息
    this.set_system_info();

    // 参数缓存
    my.setStorage({
      key: this.data.cache_launch_info_key,
      data: options.query || null
    });
    // 启动query参数处理
    this.startup_query(options.query);
  },

  /**
   * 启动query参数处理
   */
  startup_query(params) {
    // 没有启动参数则返回
    if ((params || null) == null) {
      return false;
    }

    // 启动处理类型
    var type = params.type || null;
    switch (type) {
      // type=page
      case "page":
        // 页面
        var page = params.page || null;

        // 参数名
        var params_field = params.params_field || null;

        // 参数值
        var params_value = params.params_value || null;

        // 页面跳转
        if(page != null)
        {
          my.navigateTo({
            url: "/pages/" + page + "/" + page + "?" + params_field + "=" + params_value
          });
        }
        break;

      // type=view
      case "view" :
        var url = params.url || null;

        // 页面跳转
        if(url != null)
        {
          my.navigateTo({
            url: '/pages/web-view/web-view?url='+url
          });
        }
        break;

      // 默认
      default:
        break;
    }
  },

  /**
   * 获取设备信息
   */
  get_system_info() {
    let system_info = my.getStorageSync({
      key: this.data.cache_system_info_key
    });
    if ((system_info.data || null) == null) {
      return this.set_system_info();
    }
    return system_info.data;
  },

  /**
   * 设置设备信息
   */
  set_system_info() {
    var system_info = my.getSystemInfoSync();
    my.setStorage({
      key: this.data.cache_system_info_key,
      data: system_info
    });
    return system_info;
  },

  /**
   * 请求地址生成
   */
  get_request_url(a, c, m, params) {
    a = a || "index";
    c = c || "index";
    m = m || "api";
    params = params || "";
    if (params != "" && params.substr(0, 1) != "&") {
      params = "&" + params;
    }
    var user = this.GetUserCacheInfo();
    var app_client_user_id = user == false ? "" : user.alipay_openid;
    var user_id = user == false ? 0 : user.id;
    return (
      this.data.request_url +
      "index.php?s=/" + m + "/" + c + "/" + a +
      "&application_client=default&&application=app&application_client_type=alipay&application_user_id=" +
      app_client_user_id +
      "&user_id=" +
      user_id +
      "&ajax=ajax" +
      params
    );
  },

  /**
   * 获取用户信息,信息不存在则唤醒授权
   * object     回调操作对象
   * method     回调操作对象的函数
   * return     有用户数据直接返回, 则回调调用者
   */
  GetUserInfo(object, method) {
    var user = this.GetUserCacheInfo();
    if (user == false) {
      // 唤醒用户授权
      this.UserAuthCode(object, method);

      return false;
    } else {
      return user;
    }
  },

  /**
   * 从缓存获取用户信息
   */
  GetUserCacheInfo() {
    var user = my.getStorageSync({ key: this.data.cache_user_info_key });
    if ((user.data || null) == null) {
      return false;
    }
    return user.data;
  },

  /**
   * 用户授权
   * object     回调操作对象
   * method     回调操作对象的函数
   */
  UserAuthCode(object, method) {
    // 邀请人参数
    var params = my.getStorageSync({key: this.data.cache_launch_info_key});
    var referrer = (params.data == null) ? 0 : (params.data.referrer || 0);

    // 加载loding
    my.showLoading({ content: "授权中..." });

    // 请求授权接口
    my.getAuthCode({
      scopes: "auth_user",
      success: res => {
        if (res.authCode) {
          my.httpRequest({
            url: this.get_request_url("alipayuserauth", "user"),
            method: "POST",
            data: {
              authcode: res.authCode,
              referrer: referrer
            },
            dataType: "json",
            success: res => {
              my.hideLoading();
              if (res.data.code == 0) {
                my.setStorage({
                  key: this.data.cache_user_info_key,
                  data: res.data.data
                });

                if (typeof object === "object" && (method || null) != null) {
                  object[method]();
                }
              } else {
                my.showToast({
                  type: "fail",
                  content: res.data.msg,
                  duration: 3000
                });
              }
            },
            fail: () => {
              my.hideLoading();

              my.showToast({
                type: "fail",
                content: "服务器请求出错",
                duration: 3000
              });
            }
          });
        }
      },
      fail: e => {
        my.hideLoading();

        my.showToast({
          type: "fail",
          content: "授权失败",
          duration: 3000
        });
      }
    });
  },

  /**
   * 获取位置权限
   * object     回调操作对象
   * method     回调操作对象的函数
   */
  use_location(object, method) {
    my.showLoading({ content: "定位中..." });

    my.getLocation({
      success(res) {
        my.hideLoading();

        // 回调
        if (typeof object === "object" && (method || null) != null) {
          object[method]({ lng: res.longitude, lat: res.latitude, status: 1000 });
        }
      },
      fail(e) {
        my.hideLoading();
        switch (e.error) {
          case 11:
          case 2001:
            my.alert({
              title: "温馨提示",
              content: "点击右上角->关于->右上角->设置->打开地理位置权限",
              buttonText: "我知道了",
              success: () => {
                if (typeof object === "object" && (method || null) != null) {
                  object[method]({ status: 400 });
                }
              }
            });
            break;

          case 12:
            my.showToast({ content: "网络异常，请重试[" + e.error + "]" });
            break;

          case 13:
            my.showToast({ content: "定位失败，请重试[" + e.error + "]" });
            break;

          default:
            my.showToast({ content: "定位超时，请重试[" + e.error + "]" });
        }
      }
    });
  },

  /**
   * 字段数据校验
   * data           待校验的数据, 一维json对象
   * validation     待校验的字段, 格式 [{fields: 'mobile', msg: '请填写手机号码'}, ...]
   */
  fields_check(data, validation) {
    for (var i in validation) {
      var temp_value = data[validation[i]["fields"]];
      var temp_is_can_zero = validation[i]["is_can_zero"] || null;
      
      if ((temp_value == undefined || temp_value.length == 0 || temp_value == -1) || (temp_is_can_zero == null && temp_value == 0)
      ) {
        my.showToast({
          type: "fail",
          content: validation[i]["msg"]
        });
        return false;
      }
    }
    return true;
  },

  /**
   * 获取当前时间戳
   */
  get_timestamp() {
    return parseInt(new Date().getTime() / 1000);
  },

  /**
   * 获取日期
   * format       日期格式（默认 yyyy-MM-dd h:m:s）
   * timestamp    时间戳（默认当前时间戳）
   */
  get_date(format, timestamp) {
    var d = new Date((timestamp || this.get_timestamp()) * 1000);
    var date = {
      "M+": d.getMonth() + 1,
      "d+": d.getDate(),
      "h+": d.getHours(),
      "m+": d.getMinutes(),
      "s+": d.getSeconds(),
      "q+": Math.floor((d.getMonth() + 3) / 3),
      "S+": d.getMilliseconds()
    };
    if (/(y+)/i.test(format)) {
      format = format.replace(
        RegExp.$1,
        (d.getFullYear() + "").substr(4 - RegExp.$1.length)
      );
    }
    for (var k in date) {
      if (new RegExp("(" + k + ")").test(format)) {
        format = format.replace(
          RegExp.$1,
          RegExp.$1.length == 1
            ? date[k]
            : ("00" + date[k]).substr(("" + date[k]).length)
        );
      }
    }
    return format;
  },

  /**
   * 获取对象、数组的长度、元素个数
   * obj      要计算长度的元素（object、array、string）
   */
  get_length(obj) {
    var obj_type = typeof obj;
    if (obj_type == "string") {
      return obj.length;
    } else if (obj_type == "object") {
      var obj_len = 0;
      for (var i in obj) {
        obj_len++;
      }
      return obj_len;
    }
    return false;
  },

  /**
   * 价格保留两位小数
   * price      价格保留两位小数
   */
  price_two_decimal(x) {
    var f_x = parseFloat(x);
    if (isNaN(f_x)) {
      return 0;
    }
    var f_x = Math.round(x * 100) / 100;
    var s_x = f_x.toString();
    var pos_decimal = s_x.indexOf(".");
    if (pos_decimal < 0) {
      pos_decimal = s_x.length;
      s_x += ".";
    }
    while (s_x.length <= pos_decimal + 2) {
      s_x += "0";
    }
    return s_x;
  },

  /**
   * 当前地址是否存在tabbar中
   */
  is_tabbar_pages(url) {
    if (url.indexOf("?") == -1)
    {
      var all = url.split("/");
    } else {
      var temp_str = url.split("?");
      var all = temp_str[0].split("/");
    }
    if (all.length <= 0)
    {
      return false;
    }

    var temp_tabbar_pages = this.data.tabbar_pages;
    for (var i in temp_tabbar_pages)
    {
      if (temp_tabbar_pages[i] == all[all.length-1])
      {
        return true;
      }
    }
    return false;
  },

  /**
   * 事件操作
   */
  operation_event(e) {
      var value = e.target.dataset.value || null;
      var type = parseInt(e.target.dataset.type);

      if (value != null) {
        switch(type) {
          // web
          case 0 :
            my.navigateTo({url: '/pages/web-view/web-view?url='+value});
            break;

          // 内部页面
          case 1 :
            if (this.is_tabbar_pages(value))
            {
              my.switchTab({ url: value });
            } else {
              my.navigateTo({ url: value });
            }
            break;

          // 跳转到外部小程序
          case 2 :
            my.navigateToMiniProgram({appId: value});
            break;

          // 跳转到地图查看位置
          case 3 :
            var values = value.split('|');
            if (values.length != 4) {
              my.showToast({content: '事件值格式有误'});
              return false;
            }

            my.openLocation({
              name: values[0],
              address: values[1],
              longitude: values[2],
              latitude: values[3],
            });
            break;

          // 拨打电话
          case 4 :
            my.makePhoneCall({ number: value });
            break;
        }
      }
    },
});