Vue + Axios mixin

/**
 * axios + vue
 */
let baseUrl = `/api`;
let mixin = {
  data: function() {
    return {
      params: {
        page: 1,
        rows: 10,
        sort: "id",
        order: "desc",
        keyword: ""
      },
      fileUrl: `${baseUrl}/file/upload`,
      imageUrl: `${baseUrl}/image`
    };
  },
  methods: {
    /**
     * GET 请求
     * @param  url 请求地址
     * @param  params 请求参数, 不支持数组嵌套
     * // 支持
     *  params = {
     *    type: ['js', 'ts']
     *  }
     *
     * // 不支持
     * params = {
     *  type: [['js'], 'ts']
     * }
     */
    getData: async function(url, params = {}) {
      let queryStringArr = [];
      if (params && Object.keys(params).length > 0) {
        Object.keys(params).forEach(key => {
          let value = params[key];
          if (Array.isArray(value)) {
            value.forEach(item => {
              queryStringArr.push(`${key}=${item}`);
            });
          } else {
            if (value) {
              queryStringArr.push(`${key}=${value}`);
            }
          }
        });
      }
      let queryString = queryStringArr.join("&");
      url = queryString ? `${url}?${queryString}` : url;
      let requestUrl = `${baseUrl}/${url}`;
      let resp = await axios.get(requestUrl);
      let result = resp["data"];
      return result;
    },

    /**
     * POST 提交 json
     * @param  url 提交地址
     * @param  body 提交数据 json
     */
    postData: async function(url, data) {
      let requestUrl = `${baseUrl}/${url}`;
      let resp = await axios.post(requestUrl, data);
      let result = resp["data"];
      return result;
    },

    /**
     * 提交表单
     * @param  url 提交地址
     * @param  formData 表单
     * @param   config  请求配置
     */
    postFormData: async function(
      url,
      formData,
      config = { headers: { ContentType: "application/x-www-form-urlencoded" } }
    ) {
      let requestUrl = `${baseUrl}/${url}`;
      let resp = await axios.post(requestUrl, formData, config);
      let result = resp["data"];
      return result;
    }
  }
};