From fd89356ed76ab9b3acc4a389aff7d78cd152b200 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Mon, 19 Sep 2022 13:22:35 +0800
Subject: [PATCH] 通用下载方法新增config配置选项
---
ruoyi-ui/src/utils/request.js | 100 ++++++++++++++++++++++++++++++++++++--------------
1 files changed, 72 insertions(+), 28 deletions(-)
diff --git a/ruoyi-ui/src/utils/request.js b/ruoyi-ui/src/utils/request.js
index c7e2c36..4a0caa5 100644
--- a/ruoyi-ui/src/utils/request.js
+++ b/ruoyi-ui/src/utils/request.js
@@ -1,9 +1,15 @@
import axios from 'axios'
-import { Notification, MessageBox, Message } from 'element-ui'
+import { Notification, MessageBox, Message, Loading } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
-import { tansParams } from "@/utils/ruoyi";
+import { tansParams, blobValidate } from "@/utils/ruoyi";
+import cache from '@/plugins/cache'
+import { saveAs } from 'file-saver'
+
+let downloadLoadingInstance;
+// 是否显示重新登录
+export let isRelogin = { show: false };
axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
@@ -18,8 +24,40 @@
service.interceptors.request.use(config => {
// 是否需要设置 token
const isToken = (config.headers || {}).isToken === false
+ // 是否需要防止数据重复提交
+ const isRepeatSubmit = (config.headers || {}).repeatSubmit === 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;
+ }
+ if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
+ const requestObj = {
+ url: config.url,
+ data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
+ time: new Date().getTime()
+ }
+ const sessionObj = cache.session.getJSON('sessionObj')
+ if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
+ cache.session.setJSON('sessionObj', requestObj)
+ } else {
+ const s_url = sessionObj.url; // 请求地址
+ const s_data = sessionObj.data; // 请求数据
+ const s_time = sessionObj.time; // 请求时间
+ const interval = 1000; // 间隔时间(ms)，小于此时间视为重复提交
+ if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
+ const message = '数据正在处理，请勿重复提交';
+ console.warn(`[${s_url}]: ` + message)
+ return Promise.reject(new Error(message))
+ } else {
+ cache.session.setJSON('sessionObj', requestObj)
+ }
+ }
}
return config
}, error => {
@@ -33,20 +71,28 @@
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) {
- MessageBox.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',
- {
+ if (!isRelogin.show) {
+ isRelogin.show = true;
+ MessageBox.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(() => {
+ isRelogin.show = false;
store.dispatch('LogOut').then(() => {
- location.reload() // 为了重新实例化vue-router对象 避免bug
+ location.href = '/index';
})
- })
+ }).catch(() => {
+ isRelogin.show = false;
+ });
+ }
+ return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
} else if (code === 500) {
Message({
message: msg,
@@ -84,32 +130,30 @@
)
// 通用下载方法
-export function download(url, params, filename) {
+export function download(url, params, filename, config) {
+ downloadLoadingInstance = Loading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
return service.post(url, params, {
- transformRequest: [(params) => {
- return tansParams(params)
- }],
- responseType: 'blob'
- }).then((data) => {
- const content = data
- const blob = new Blob([content])
- if ('download' in document.createElement('a')) {
- const elink = document.createElement('a')
- elink.download = filename
- elink.style.display = 'none'
- elink.href = URL.createObjectURL(blob)
- document.body.appendChild(elink)
- elink.click()
- URL.revokeObjectURL(elink.href)
- document.body.removeChild(elink)
+ transformRequest: [(params) => { return tansParams(params) }],
+ headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+ responseType: 'blob',
+ ...config
+ }).then(async (data) => {
+ const isLogin = await blobValidate(data);
+ if (isLogin) {
+ const blob = new Blob([data])
+ saveAs(blob, filename)
} else {
- navigator.msSaveBlob(blob, filename)
+ const resText = await data.text();
+ const rspObj = JSON.parse(resText);
+ const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
+ Message.error(errMsg);
}
+ downloadLoadingInstance.close();
}).catch((r) => {
console.error(r)
+ Message.error('下载文件出现错误，请联系管理员！')
+ downloadLoadingInstance.close();
})
}
-
-
export default service
--
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