Mina_B/utils/util.js

const api = require('./api.js');
const dont_login_api = require('./config_api.js').dont_login;
const no_openid_api = require('./config_api.js').no_openid;
class Utils {
  /**
   * @that  {OBject} 挂载对象
   */
  constructor(that) {
    this.api = api;
    this._showModel = false;
    this._loading = false;
    // this.message_hint = {
    //   100: '继续发送请求'
    // };
    that.kx_request = this.$request.bind(this);
    that.kx_api = this.api;
  }

  /* 
    获取实际数据类型 
    @data {any} 数据
  */
  getDataType(data) {
    return /^\[object (.*)\]$/.exec(Object.prototype.toString.call(data))[1];
  }

  /* 
    格式化时间
    @date {Date} 传入的时间
    @status {Boolean} 是否需要时分秒开关 true 关闭时分秒选项  false  打开时分秒选项
   */
  formatTime(date, status = false) {
    date = date.replace(getRegExp('-', 'g'), '/');
    const _date = new Date(date);
    const year = _date.getFullYear();
    const month = _date.getMonth() + 1;
    const day = _date.getDate();
    const hour = _date.getHours();
    const minute = _date.getMinutes();
    const second = _date.getSeconds();
    if (status) {
      return [year, month, day].map(this.formatNumber).join('/');
    }
    return [year, month, day].map(this.formatNumber).join('/') + ' ' + [hour, minute, second].map(this.formatNumber).join(':');
  }

  /* 格式化数字 */
  formatNumber(n) {
    n = n.toString();
    return n[1] ? n : '0' + n;
  }

  /* 
    获取url 
    @url {String} 待处理的URL
    @return {String} 处理过的字符串 
    根据URL是否有http或者https判断是否拼接字符串
  */
  getUrl(url) {
    return new Promise(reslove => {
      const apiUrl = require('../config.js').apiUrl; // 加载接口地址文件
      if (url.indexOf('https://') === -1 && url.indexOf('http://') === -1) {
        reslove(apiUrl + url)
      } else {
        if (url.indexOf('http://') === -1) {
          reslove(url)
          return
        }
        reslove(url.replace('http://', 'https://'))
      }
    })
  }

  /* 
    获取Openid 
    @options {Object} request请求的参数
    @return 返回获取到的openID加入options并返回
  */
  getOpenid() {
    return new Promise((resolve, reject) => {
      const _openid = wx.getStorageSync('openid');
      if (_openid) {
        resolve(_openid);
      } else {
        wx.login({
          success: (res) => {
            const code = res.code;
            this.$request({
              // url:'',
              data: {
                code,
              },
              success: res => {
                wx.setStorage({
                  key: 'openid',
                  data: res.data.openid,
                  success: res => {
                    const openid = res.data.openid
                    resolve(openid);
                  }
                })
              }
            })
          }
        })
      }
    })
  }

  /**
   * 获取userid与userToken
   * @options {Object} 传入的对象参数
   * @return 返回参数对象
   * 设置request参数中的userID和usertoken
   */
  getUserId(options) {
    return new Promise((reslove, reject) => {
      const userid = wx.getStorageSync('userid');
      const usertoken = wx.getStorageSync('usertoken');
      options.data.user_id = userid;
      options.data.user_token = usertoken;
      reslove(options)
    })
  }
  /**
   * 获取网络状态
   */
  getNetworkType() {
    return new Promise((reslove, reject) => {
      wx.getNetworkType({
        success: function (res) {
          if (res.networkType === 'none') {
            wx.$emit('offline', true)
            reslove('offline')
          } else {
            wx.$emit('offline', false)
            reslove(res.networkType)
          }
        },
        fail: function (res) {
          reject('fail')
        }
      })
    })

  }
  /* 
    请求方法
    @options 请求参数
    @status 是否携带userID
  */
  async $request(options) {
    /**
     * 检测网络状况 并判断是否发起请求
     * 当无网络时传入 offline 并提示无网络
     */
    const networkType = await this.getNetworkType();
    if (networkType === 'offline') {
      wx.showToast({
        icon: 'none',
        title: '网络未连接',
      })
      options.success && options.success(networkType)
      return this.getNetworkType()
    }

    /* 拼接接口地址 */
    if (this.getDataType(options.url) !== 'String') {
      throw new Error('接口路径格式错误')
    }

    /*判断是否需要登陆才能调用api */
    options.dont_login = false; //默认全部需要登录
    if (dont_login_api.length && dont_login_api.includes(options.url)) {
      options.dont_login = true;
    }

    /**判断是否需要openid才能调用api */
    options.no_openid = false; //默认全部需要
    if (no_openid_api.length && no_openid_api.includes(options.url)) {
      options.no_openid = true;
    }

    /* 设置URL */
    options.url = await this.getUrl(options.url);

    /* 判断是否传入参数 */
    options.data = options.data ? options.data : {};

    /* 设置请求方式并转换为大写*/
    options.method = (options.type ? options.type : 'get').toUpperCase();

    /* 判断是否传入请求头 */
    options.header = options.header || {};

    /* 判断是否传入返回数据格式 */
    options.dataType = options.dataType || 'json';

    /* 判断是否传入响应数据格式 */
    options.responseType = options.responseType || 'text';

    /* 消除空值字段 */
    for (let key in options.data) {
      if (!options.data[key] && options.data[key] !== 0) {
        delete options.data[key]
      }
    }

    /**根据判断写入openid */
    // if (!options.no_openid) {
    //   options.data.openid = await this.getOpenid();
    // }
    /* 根据dont_login判断是否需要登录 */
    if (options.dont_login) {
      return this._request(options);
    } else {
      /* 设置userID和usertoken */
      let _options = await this.getUserId(options);
      /** 当user_id与user_token不全时 提示登陆重新获取 */
      if (_options.data.user_id && _options.data.user_token) {
        return this._request(_options);
      } else {
        this._doLogin();
      }
    }
  }
  /**
   * 实际执行的请求方法体
   * @opt  传入的参数对象
   * @return 返回promise对象
   * 执行完之后既能执行回调也能返回promise对象调用
   */
  _request(opt) {
    let route = getCurrentPages();
    const that = this;
    return new Promise((resolve, reject) => {
      !this._loading && wx.showLoading({
        mask: true,
        title: '加载中...',
        success: () => {
          this._loading = true
        }
      })
      wx.request({
        url: opt.url,
        data: opt.data,
        header: opt.header,
        method: opt.method,
        dataType: opt.dataType,
        responseType: opt.responseType,
        success: function (res) {
          wx.hideLoading({
            success: () => {
              this._loading = false;
            }
          })
          // 判断是否含有成功方法并执行
          if (opt.success && typeof opt.success === 'function') {
            if (res.statusCode === 200) {
              const errcode = res.data.errcode;
              if (errcode === 0) {
                opt.success(res.data);
                resolve(res.data);
              } else {
                // 判断是否含有失败方法并执行
                if (opt.fail && typeof opt.fail === 'function') {
                  opt.fail(res.data);
                  reject(res.data);
                }
                if (errcode === 2008) {
                  that._doLogin(res.data.errmsg + ',请重新登录')
                  return
                }
                if (errcode === 2010) {
                  that._doLogin(res.data.errmsg)
                  return
                }

                // model 判断是否自定义模态框或者提示框
                if (!opt.model) {
                  wx.showModal({
                    title: '提示',
                    content: res.data.errmsg || '网络异常，请检查后重试',
                    showCancel: false
                  })
                }
              }
            } else {
              opt.success && opt.success('offline')
              wx.showModal({
                title: '提示',
                content: '网络异常，请检查后重试',
                showCancel: false
              })
            }
          }
        },
        fail: function (res) {
          // 判断是否含有失败方法并执行
          wx.hideLoading({
            success: () => {
              this._loading = false;
            }
          })
          if (opt.fail && typeof opt.fail === 'function') {
            opt.success && opt.success('offline')
            opt.fail(res.data);
            reject(res.data);
            wx.showModal({
              title: '提示',
              content: '网络异常，请检查后重试',
              showCancel: false
            })
          }
        },
        complete: (res) => {
          console.log('请求参数=>', opt);
          console.log('请求结果=>', res.data.errmsg, res.data);
          console.log('服务器响应状态=>', res.statusCode);
          console.log('服务器响应结果=>', res);
          console.log('当前页面=>', route[route.length - 1].route);
          console.log(' ');
          wx.stopPullDownRefresh({
            success: () => {
              console.log(route[route.length - 1].route, '=> stopPullDownRefresh')
            }
          });

          // 判断是否含有complete方法并执行
          if (opt.complete && typeof opt.complete === 'function') {
            opt.complete(res.data);
            resolve(res.data);
          }
        },
      })
    })
  }
  /**
   * 执行跳转登录页面操作
   */
  _doLogin(message = '你还未登录，请立即登录') {
    if (!this._showModel) {
      this._showModel = true;
      wx.showModal({
        title: '提示',
        content: message,
        cancelColor: '#888A8E',
        confirmColor: '#31364C',
        success: res => {
          if (res.confirm) {
            wx.navigateTo({
              url: '/pages/login/login',
              success: () => {
                this._showModel = false;
              }
            })
          }
          if (res.cancel) {
            this._showModel = false;
          }
        }
      })
    }
  }

  /**
   * 上传图片
   * @pic_arr {Array} 图片数组 
   * @return {Array} 
   */
  upLoadImage(options) {
    const _type = this.getDataType(options.files);
    options.formData = options.formData || {};
    const formData = {
      user_id: wx.getStorageSync('userid'),
      user_token: wx.getStorageSync('usertoken'),
      ...options.formData
    };
    !this._loading && wx.showLoading({
      mask: true,
      title: '上传中...',
      success: () => {
        this._loading = true
      }
    })
    return new Promise((reslove, reject) => {
      if (_type === "Array") {
        const _arr = [];
        const _files = options.files;
        const _len = _files.length - 1;
        const _url = this.getUrl(options.url);
        _files.forEach((val, key) => {
          wx.uploadFile({
            url: _url,
            filePath: val,
            name: options.name,
            formData,
            success: res => {
              if (res.statusCode === 200) {
                const data = JSON.parse(res.data);
                if (data.errcode === 0) {
                  _arr.push(data.data);
                  if (_len === key) {
                    wx.hideLoading({
                      success: () => {
                        this._loading = false;
                      }
                    })
                    reslove(_arr)
                  }
                }
              }
            },
            fail: () => {
              reject({
                type: this.getDataType(val)
              })
              throw new Error('输入格式有误')
            }
          })
        })
      } else {
        reject({
          type: _type
        })
        throw new Error('输入格式有误')
      }
    })
  }

  /**
   * 获取用户信息
   */
  getHwUserInfo(that) {
    return new Promise(reslove => {
      wx.kx_request({
        url: wx.kx_api.hwUser.getHwUserInfo,
        success: res => {
          if (res.data) {
            //成功后存入缓存
            wx.setStorageSync('userinfo', res.data.hwUser);
            reslove(res.data.hwUser)
            // 判断是否提交页面数据
            that && that.setData({
              userinfo: res.data.hwUser
            })
          }
        }
      })
    })
  }
}
module.exports = {
  Utils: Utils
}