uniapp springboot 上传demo

前端

<template>
	<view class="container">
	    <button type="primary" @click="chooseVideo">选择视频</button>
	    <video v-if="localUrl" :src="localUrl" controls></video>
		<view style="margin-bottom: 40rpx;"></view>
	    <button type="warn" @click="uploadVideo" :disabled="!localUrl">上传视频</button>
	  </view>
</template>

<script>
export default {
  data() {
    return {
      localUrl: ''
    };
  },
  methods: {
    chooseVideo() {
      uni.chooseVideo({
        success: (res) => {
          this.localUrl = res.tempFilePath;
        }
      });
    },
    uploadVideo() {
      if (!this.localUrl) {
        uni.showToast({
          title: '请先选择视频',
          icon: 'none'
        });
        return;
      }
      uni.uploadFile({
        url: 'http://127.0.0.1:9035/web/sms/test02', // 替换为你的服务器地址
        filePath: this.localUrl,
        name: 'file',
        formData: {
          'user': 'test'
        },
        success: (uploadRes) => {
          console.log('上传成功', uploadRes.data);
          uni.showToast({
            title: '上传成功'
          });
        },
        fail: (err) => {
          console.error('上传失败', err);
          uni.showToast({
            title: '上传失败',
            icon: 'none'
          });
        }
      });
    }
  }
};
</script>

<style scoped>
/* Add your styles here */
</style>

后端

private static final String UPLOAD_DIR = "d:/logs/uploads/";

@SneakyThrows
@PostMapping("/test02")
public ResponseEntity<String> test02(@RequestParam("file") MultipartFile file) {
    if (file.isEmpty()) {
        return ResponseEntity.badRequest().body("Please select a file to upload.");
    }


        // Create the uploads directory if it doesn't exist
        File uploadDir = new File(UPLOAD_DIR);
        if (!uploadDir.exists()) {
            uploadDir.mkdirs();
        }

        // Save the file on the server
        byte[] bytes = file.getBytes();
        Path path = Paths.get(UPLOAD_DIR + file.getOriginalFilename());
        Files.write(path, bytes);

        return ResponseEntity.ok("You successfully uploaded " + file.getOriginalFilename() + "!");

}