el-upload与springboot使用_el-upload springboot

前端页面

<template>
  <el-upload
    class="avatar-uploader"
    action="#"
    :show-file-list="false"
    :before-upload="beforeAvatarUpload"
    :http-request="uploadImg"
  >
    <i class="el-icon-plus avatar-uploader-icon imgbeforepad"></i>
  </el-upload>
</template>
 
<script>
  import request from '@/utils/request'
 
  export default {
    props: {
      uploadUrl: String, // 图片上传路径 例: '/ueditor/dynamic/imgUpload;
    },
    data () {
      return {}
    },
    methods: {
      uploadImg (f) {
        const file = f.file
        const form = new FormData()
        form.append('upfile', file)
        this.$http({
          url: request.adornUrl('map/upload/img'),
          method: 'post',
          data: form,
          processData: false,
          contentType: false,
          dataType: 'json',
          async: false,
        })
          .then(({ data }) => {
            debugger
            if (data && data.code === 0) {
              this.$emit('getImgUrl', data.data)
            } else {
              this.$message({
                message: '上传图片失败',
                type: 'warning',
                duration: 1500,
              })
            }
            this.loading = false
          })
          .catch(error => {
            this.loading = false
            console.log(error)
          })
      },
      // 上传图片前的过滤
      beforeAvatarUpload (file) {
        const isLt2M = (file.size / 1024 / 1024) < 1000
        // if (!isJPG) {
        //   this.$message.error('上传图片只能是 JPG 格式!')
        // }
        if (!isLt2M) {
          this.$message.error('上传图片大小不能超过 2MB!')
        }
        return isLt2M
      },
    },
  }
</script>
 
<style>
  .avatar-uploader .el-upload {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px dashed #d9d9d9;
    border-radius: 6PX;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    width: 50PX !important;
    height: 50PX !important;
    font-size: 28PX;
    line-height: 50PX !important;
    color: #8c939d;
    text-align: center;
  }
  .avatar {
    display: block;
    width: 50PX !important;
    height: 50PX !important;
  }
  .imgbeforepad{
    padding-top: 0px !important;
  }
  .avatar-uploader .el-icon-plus{
    margin: 15PX !important;
  }
</style>

后端接收生成随机名称并存到相应位置，把地址传回前端。

@PostMapping("/img")
    public Result img(@RequestParam("upfile") MultipartFile file) {
        try {
            if (file.isEmpty()) {
                return Result.failed("上传文件不能为空");
            }
 
            String originalFilename = file.getOriginalFilename();
            String filename = UUID.randomUUID().toString();
            String filetype = originalFilename.split("\\.")[1];
 
            if (filetype.indexOf("jpg") < 0 && filetype.indexOf("png") < 0) {
                return Result.failed("不支持类型");
            }
            String targetFileName = filename + "." + filetype;
            File dest = new File(new File(path).getAbsolutePath() + "/" + targetFileName);
            if (!dest.getParentFile().exists()) {
                dest.getParentFile().mkdirs();
            }
            file.transferTo(dest);
            return Result.ok(UPLOADER + targetFileName);
        } catch (Exception e) {
            e.printStackTrace();
            return Result.failed(e.getMessage());
        }
    }