这篇文章主要介绍了封装axios+promise通用请求函数的方法，具有一定借鉴价值，需要的朋友可以参考下。希望大家阅读完这篇文章后大有收获。下面让小编带着大家一起了解一下。

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import axios from "axios";
import baseUrl from "../../setBaseUrl";
axios.defaults.baseURL = baseUrl;
import { Loading, Message } from "element-ui";
const loadingOptions = {
 lock: true,
 text: "拼命加载中",
 spinner: "el-icon-loading",
 background: "rgba(0, 0, 0, 0.7)"
};
if (localStorage.token) {
 axios.defaults.headers.common["x-token"] = localStorage.token;
}
const Http = {
 get: function(url: string, data: any, isLoading: boolean) {
  if (localStorage.token) {
   axios.defaults.headers.common["x-token"] = localStorage.token;
  }
  let loading: any;
  if (isLoading) {
   loading = Loading.service(loadingOptions);
  }
  return new Promise((resolve, reject) => {
   axios
    .get(url, { params: data })
    .then(function(res) {
     if (isLoading) {
      loading.close();
     }
     if (res.data.code === 200) {
      resolve(res.data.data);
     } else {
      // console.warn("Http error Info ===> ", res.data);
      reject(res.data.message);
     }
    })
    .catch(function(err) {
     if (isLoading) {
      loading.close();
     }
     // console.warn("Http error Info ===> ", err);
     Message({
      message: err.message,
      type: "error",
      duration: 2500,
      showClose: true
     });
    });
  }).catch(function(err) {
   Message({
    message: err,
    type: "error",
    duration: 2500,
    showClose: true
   });
  });
 },
 post: function(url: string, data: any, isLoading: boolean) {
  if (localStorage.token) {
   axios.defaults.headers.common["x-token"] = localStorage.token;
  }
  let loading: any;
  if (isLoading) {
   loading = Loading.service(loadingOptions);
  }
  return new Promise((resolve, reject) => {
   axios
    .post(url, data)
    .then(function(res) {
     if (isLoading) {
      loading.close();
     }
     if (res.data.code === 200) {
      resolve(res.data.data);
     } else {
      reject(res.data.message);
     }
    })
    .catch(function(err) {
     if (isLoading) {
      loading.close();
     }
     // console.warn("Http error Info===>", err);
     Message({
      message: err.message,
      type: "error",
      duration: 2500,
      showClose: true
     });
    });
  }).catch(function(err) {
   Message({
    message: err,
    type: "error",
    duration: 2500,
    showClose: true
   });
  });
 },
 put: function(url: string, data: any, isLoading: boolean) {
  if (localStorage.token) {
   axios.defaults.headers.common["x-token"] = localStorage.token;
  }
  let loading: any;
  if (isLoading) {
   loading = Loading.service(loadingOptions);
  }
  return new Promise((resolve, reject) => {
   axios
    .put(url, data)
    .then(function(res) {
     if (isLoading) {
      loading.close();
     }
     if (res.data.code === 200) {
      resolve(res.data.data);
     } else {
      reject(res.data.message);
     }
    })
    .catch(function(err) {
     if (isLoading) {
      loading.close();
     }
     // console.warn("Http error Info===>", err);
     Message({
      message: err.message,
      type: "error",
      duration: 2500,
      showClose: true
     });
    });
  }).catch(function(err) {
   Message({
    message: err,
    type: "error",
    duration: 2500,
    showClose: true
   });
  });
 },
 delete: function(url: string, data: any, isLoading: boolean) {
  if (localStorage.token) {
   axios.defaults.headers.common["x-token"] = localStorage.token;
  }
  let loading: any;
  if (isLoading) {
   loading = Loading.service(loadingOptions);
  }
  return new Promise((resolve, reject) => {
   axios
    .delete(url, data)
    .then(function(res) {
     if (isLoading) {
      loading.close();
     }
     if (res.data.code === 200) {
      resolve(res.data.data);
     } else {
      reject(res.data.message);
     }
    })
    .catch(function(err) {
     if (isLoading) {
      loading.close();
     }
     // console.warn("Http error Info===>", err);
     Message({
      message: err.message,
      type: "error",
      duration: 2500,
      showClose: true
     });
    });
  }).catch(function(err) {
   Message({
    message: err,
    type: "error",
    duration: 2500,
    showClose: true
   });
  });
 }
};
export default Http;

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