1.request.js
import axios from 'axios'
import {Notification, MessageBox, Message, Loading} from 'element-ui'
import store from '@/store'
import {getToken} from '@/utils/auth'
import errorCode from '@/utils/errorCode'
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
const service = axios.create({
// axios中请求配置有baseURL选项,表示请求URL公共部分
baseURL: process.env.VUE_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
// 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
config.headers['Authorization'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
config.headers['Token'] = 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 requestSize = Object.keys(JSON.stringify(requestObj)).length; // 请求数据大小
const limitSize = 5 * 1024 * 1024; // 限制存放数据5M
if (requestSize >= limitSize) {
console.warn(`[${config.url}]: ` + '请求数据大小超出允许的5M限制,无法进行防重复提交验证。')
return config;
}
const sessionObj = cache.session.getJSON('sessionObj')
if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
cache.session.setJSON('sessionObj', requestObj)
} else {
const s_url = sessionObj.url; // 请求地址
const s_data = sessionObj.data; // 请求数据
const s_time = sessionObj.time; // 请求时间
const interval = 1000; // 间隔时间(ms),小于此时间视为重复提交
if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
const message = '数据正在处理,请勿重复提交';
console.warn(`[${s_url}]: ` + message)
return Promise.reject(new Error(message))
} else {
cache.session.setJSON('sessionObj', requestObj)
}
}
}
return config
}, error => {
console.log(error)
Promise.reject(error)
})
// 响应拦截器
service.interceptors.response.use(res => {
console.log(res)
if (res?.data) {
const keys = Object.keys(res.data)
keys.forEach(item => {
const key = item.toLowerCase()
res.data[key] = res.data[item]
})
keys.forEach(key => {
delete res.data[key]
})
}
// 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) {
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.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, type: 'error'})
return Promise.reject(new Error(msg))
} else if (code === 601) {
Message({message: msg, type: 'warning'})
return Promise.reject('error')
} else if (code !== 200) {
Notification.error({title: msg})
return Promise.reject('error')
} else {
return 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";
}
Message({message: message, type: 'error', duration: 5 * 1000})
return Promise.reject(error)
}
)
// 通用下载方法
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)
}],
headers: {'Content-Type': 'application/x-www-form-urlencoded'},
responseType: 'blob',
...config
}).then(async (data) => {
const isBlob = blobValidate(data);
if (isBlob) {
const blob = new Blob([data])
saveAs(blob, filename)
} else {
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