微信小程序前端function封装

var tips = {
    1: "没有网络",
    999: "无效的请求",
    5000: "没有这些电影"
}

function http(params) {
    /*params 对象包含 url,success,method,data */
    if(!params.method){
        params.method ="GET";
    }
    wx.request({
        url:params.url,
        method:params.method,
        data:params.data,
        header: {
            'Content-Type': 'json'
        },
        success: function (res) {
            var statusCode = res.statusCode.toString();
            if (statusCode.startsWith("2")) {
                params.success(res.data);
            } else {

                var errorCode = res.data.code;
                _show_error(errorCode);
            }
        },
        fail: err => {
            _show_error(1);
        }
    })
}

function _show_error(errorCode) {
    wx.showToast({
        title: tips[errorCode],
        icon: "none",
        duration: 2000
    })
}
export {
    http
};

import {
http} from "../../utils/http";
const app = getApp()

Page({
  data: {
    movies: []
  },
  onLoad() {
      var url = "https://douban.uieee.com/v2/movie/top250";
      wx.showNavigationBarLoading();
      http({
        url,
        success: res => {
          this.handleData(res);
        }
      })
    },
})