ruoyi

src/utils/request.js

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+import axios from 'axios'
+import { ElNotification , ElMessageBox, ElMessage, ElLoading } from 'element-plus'
+import store from '@/store'
+import { getToken } from '@/utils/auth'
+import errorCode from '@/utils/errorCode'
+import { tansParams, blobValidate } from '@/utils/ruoyi'
+import { saveAs } from 'file-saver'
+
+let downloadLoadingInstance;
+
+axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
+// 创建axios实例
+const service = axios.create({
+  // axios中请求配置有baseURL选项，表示请求URL公共部分
+  baseURL: import.meta.env.VITE_APP_BASE_API,
+  // 超时
+  timeout: 10000
+})
+
+// request拦截器
+service.interceptors.request.use(config => {
+  // 是否需要设置 token
+  const isToken = (config.headers || {}).isToken === false
+  if (getToken() && !isToken) {
+    config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
+  }
+  // get请求映射params参数
+  if (config.method === 'get' && config.params) {
+    let url = config.url + '?' + tansParams(config.params);
+    url = url.slice(0, -1);
+    config.params = {};
+    config.url = url;
+  }
+  return config
+}, error => {
+    console.log(error)
+    Promise.reject(error)
+})
+
+// 响应拦截器
+service.interceptors.response.use(res => {
+    // 未设置状态码则默认成功状态
+    const code = res.data.code || 200;
+    // 获取错误信息
+    const msg = errorCode[code] || res.data.msg || errorCode['default']
+    // 二进制数据则直接返回
+    if(res.request.responseType ===  'blob' || res.request.responseType ===  'arraybuffer'){
+      return res.data
+    }
+    if (code === 401) {
+      ElMessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
+          confirmButtonText: '重新登录',
+          cancelButtonText: '取消',
+          type: 'warning'
+        }
+      ).then(() => {
+        store.dispatch('LogOut').then(() => {
+          location.href = '/index';
+        })
+      }).catch(() => {});
+      return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
+    } else if (code === 500) {
+      ElMessage({
+        message: msg,
+        type: 'error'
+      })
+      return Promise.reject(new Error(msg))
+    } else if (code !== 200) {
+      ElNotification.error({
+        title: msg
+      })
+      return Promise.reject('error')
+    } else {
+      return  Promise.resolve(res.data)
+    }
+  },
+  error => {
+    console.log('err' + error)
+    let { message } = error;
+    if (message == "Network Error") {
+      message = "后端接口连接异常";
+    }
+    else if (message.includes("timeout")) {
+      message = "系统接口请求超时";
+    }
+    else if (message.includes("Request failed with status code")) {
+      message = "系统接口" + message.substr(message.length - 3) + "异常";
+    }
+    ElMessage({
+      message: message,
+      type: 'error',
+      duration: 5 * 1000
+    })
+    return Promise.reject(error)
+  }
+)
+
+// 通用下载方法
+export function download(url, params, filename) {
+  downloadLoadingInstance = ElLoading.service({ text: "正在下载数据，请稍候", background: "rgba(0, 0, 0, 0.7)", })
+  return service.post(url, params, {
+    transformRequest: [(params) => { return tansParams(params) }],
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+    responseType: 'blob'
+  }).then(async (data) => {
+    const isLogin = await blobValidate(data);
+    if (isLogin) {
+      const blob = new Blob([data])
+      saveAs(blob, filename)
+    } else {
+      ELMessage.error('无效的会话，或者会话已过期，请重新登录。');
+    }
+    downloadLoadingInstance.close();
+  }).catch((r) => {
+    console.error(r)
+    ELMessage.error('下载文件出现错误，请联系管理员！')
+    downloadLoadingInstance.close();
+  })
+}
+
+export default service