后端分离图片无法实现上传"/>
vue + springboot前后端分离图片无法实现上传
前端我对axios做了封装,代码如下:
import axios from 'axios'
import { useUserStore } from '@/stores'
const baseURL = 'http://localhost:8080'
const instance = axios.create({
baseURL,
timeout: 100000
})
// 请求拦截器
instance.interceptors.request.use(
(config) => {
const useStore = useUserStore()
if (useStore.token) {
config.headers.Authorization = useStore.token
}
return config
}
)
// 响应拦截器
instance.interceptors.response.use(
(res) => {
// code为1表示服务器端操作成功
if (res.data.code === 1) {
return res
}
// 处理业务失败, 给错误提示,抛出错误
ElMessage.error(res.data.msg || '服务异常')
return Promise.reject(res.data)
},
(err) => {
// 错误的特殊情况 => 401 权限不足 或 token 过期 => 拦截到登录
if (err.response?.status === 401) {
router.push('/login')
}
// 错误的默认情况 => 只要给提示
ElMessage.error(err.response.data.message || '服务异常')
return Promise.reject(err)
}
)
export default instance
上传组件代码
<script setup>
import { ref } from "vue";
import { Plus, Upload } from "@element-plus/icons-vue";
import { updateAvatar } from "@/api/user";
import { useUserStore } from "@/stores";
const userStore = useUserStore();
const imgUrl = ref(userStore.user.image);
const uploadRef = ref();
const onSelectFile = (uploadFile) => {
// 基于 FileReader 读取图片做预览
const reader = new FileReader();
reader.readAsDataURL(uploadFile.raw);
reader.onload = () => {
imgUrl.value = reader.result;
};
};
const onUpdateAvatar = async () => {
const fd = new FormData()
fd.append('uploadFile',imgUrl.value)
// 发送请求更新头像
await updateAvatar(fd);
// userStore 重新渲染
await userStore.getUser();
// 提示用户
ElMessage.success("头像更新成功");
};
</script>
<template>
<page-container title="更换头像">
<el-upload
ref="uploadRef"
:auto-upload="false"
class="avatar-uploader"
:show-file-list="false"
:on-change="onSelectFile"
>
< img v-if="imgUrl" :src="imgUrl" class="avatar" />
<el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
</el-upload>
<br />
<el-button
@click="uploadRef.$el.querySelector('input').click()"
type="primary"
:icon="Plus"
size="large"
>选择图片</el-button
>
<el-button
@click="onUpdateAvatar"
type="success"
:icon="Upload"
size="large"
>上传头像</el-button
>
</page-container>
</template>
<style lang="scss" scoped>
.avatar-uploader {
:deep() {
.avatar {
width: 278px;
height: 278px;
display: block;
}
.el-upload {
border: 1px dashed var(--el-border-color);
border-radius: 6px;
cursor: pointer;
position: relative;
overflow: hidden;
transition: var(--el-transition-duration-fast);
}
.el-upload:hover {
border-color: var(--el-color-primary);
}
.el-icon.avatar-uploader-icon {
font-size: 28px;
color: #8c939d;
width: 278px;
height: 278px;
text-align: center;
}
}
}
</style>
user.js代码
import request from '@/utils/request'
// 登录
export const userLogin = (user) => request.post('/login',user)
// 获取用户信息
export const userInfo = () => request.get('/emps/userInfo')
// 更新头像
export const updateAvatar = (avatar) => request.patch('/emps/updateAvatar',{avatar},{
headers: {
'Content-Type': 'multipart/form-data'
}
})
后端接收代码
@PatchMapping("/updateAvatar")
public Result updateAvatar(@RequestHeader("authorization") String token,MultipartFile uploadFile) throws IOException {
Claims claims = JwtUtils.parseJWT(token);
Emp emp = empService.getById((int)claims.get("id"));
// 上传头像
String url = aliOSSUtils.upload(uploadFile);
emp.setImage(url);
return Result.success();
}
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