vite热更新导致的问题及解决

一、封装axios拦截器后,每次热更新虽然请求了一次,但是response了多次:

import axios from "axios";
axios.interceptors.request.use()
axios.service.interceptors.response.use()

导致此问题是因为触发了多次拦截器,相当于是给axios添加了多个拦截器,所以多次触发;

解决办法:

      单独对axios进行实例化,再设置拦截器

import axios from "axios";
const service = axios.create({
  baseURL:GLOBAL_IP,
  headers: {
    'Content-Type': 'application/json', // 设置请求的Content-Type
  }
})
service.interceptors.request.use()
service.service.interceptors.response.use()

二、在移动端中使用keepalive,然后调用onActivated,里面设置定时更新的定时器,多次热更新不刷新页面的情况下会多个定时请求;

let state = reactive({destroyTimer(){
        if(state.timer.length>0){
          for(let i=0;i<state.timer.length;i++){
            clearInterval(<number>state.timer[i])
          }
          state.timer = []
        }
      },
})
 onActivated(async () => {
      state.timer.push(setInterval(async () => {
        await state.getData();
      }, refreshTime * 1000))
      await state.getData();
    })

    onDeactivated(() => {
      state.destroyTimer()
    })
解决办法:
   每次热更新的时候虽然不会触发onActivated,但是会触发onUnmounted,所以在unUnmounted钩子里再销毁一下就解决了热更新出现的这个问题。
let state = reactive({destroyTimer(){
        if(state.timer.length>0){
          for(let i=0;i<state.timer.length;i++){
            clearInterval(<number>state.timer[i])
          }
          state.timer = []
        }
      },
})
 onActivated(async () => {
      state.timer.push(setInterval(async () => {
        await state.getData();
      }, refreshTime * 1000))
      await state.getData();
    })
    onUnmounted(()=>{
      state.destroyTimer()
    })

    onDeactivated(() => {
      state.destroyTimer()
    })

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