本篇主要介绍。
npm install axios
baseURL为代理地址,在前一篇文章有配置。将’/urlApi’替代’http://localhost:8060‘跨域。
// 从axios源码中可知,axios实例的类型为AxiosInstance,响应的数据类型为AxiosResponse,请求需要传入的参数类型为AxiosRequestConfig
import axios, {AxiosInstance, AxiosError, AxiosResponse, AxiosRequestConfig} from 'axios';
const service:AxiosInstance = axios.create({baseURL: '/urlApi',// baseURL: 'http://localhost:8060',timeout: 5000,//跨域携带cookiewithCredentials: true
});// 添加请求拦截器
service.interceptors.request.use((config: AxiosRequestConfig) => {return config;},(error: AxiosError) => {console.log(error);return Promise.reject();}
);// 添加响应拦截器
service.interceptors.response.use((response: AxiosResponse) => {console.log("response:",response);if (response.status === 200) {return response;} else {Promise.reject();}},(error: AxiosError) => {console.log(error);return Promise.reject();}
);export default service;
import request from '../utils/request';export const fetchData = () => {return request({url: './table.json',method: 'get'});
};
export const testData = (data: any) => {return request({url: 'test/vueTest',method: 'post',data,});
};
在.vue文件里使用,向后端传输数据data
// 使用axios通信
import { onMounted } from 'vue'
import {testData
} from "../api/index"
let data = {username: 'admin'};
onMounted(() => {testData(data).then(res => {console.log('login response data', res)})
})
在模块/test下,s所以完整的地址为"http://localhost:4000/urlApi/test/vueTest"。
@RequestBody接收数据,同时传送username。
@RequestMapping(value = "/vueTest", method = RequestMethod.POST)@ResponseBody//public String vueTest(HttpSession session, @RequestBody String data){System.out.println("后台打印:"+data);String username = (String) session.getAttribute("username");return username;}
后台接收到成功打印data,axios成功接收username。