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<template>

  <div class="app-container">

    <el-form ref="form" :model="form" :rules="rules2" label-width="120px">

      <el-upload

        class="upload-demo"

        action="http://localhost:12345/api/test/upload"

        accept=".pdf"

        multiple

        :limit="1"

        :on-exceed="handleExceed"

        :file-list="fileList"

      >

        <el-button size="small" type="primary">點(diǎn)擊上傳</el-button>

        <div slot="tip" class="el-upload__tip">只能上傳pdf文件,且不超過10M</div>

      </el-upload>

    </el-form>

  </div>

</template>

<script>

export default {

  data() {

    return {

      fileList: [],

      form: {},

    };

  },

  methods: {

    handleExceed(files, fileList) {

      this.$message.warning(

        `當(dāng)前限制選擇1 個(gè)文件，本次選擇了 ${files.length} 個(gè)文件，共選擇了 ${

          files.length + fileList.length

        } 個(gè)文件`

      );

    },

  },

};

</script>

<style scoped>

.line {

  text-align: center;

}

</style>

后臺(tái)core api接口

[HttpPost("upload")]

        public async Task<IpResponse> upload(IFormFile file)

        {

            var path = Directory.GetCurrentDirectory();

            var currentDate = DateTime.Now;

            string webRootPath = Directory.GetCurrentDirectory();

            try

            {

                var filePath = $"/UploadFile/{currentDate:yyyyMMdd}/";

                //創(chuàng)建每日存儲(chǔ)文件夾

                if (!Directory.Exists(webRootPath + filePath))

                {

                    Directory.CreateDirectory(webRootPath + filePath);

                }

                if (file != null)

                {

                    //文件后綴

                    var fileExtension = Path.GetExtension(file.FileName);//獲取文件格式，拓展名

                    //判斷文件大小

                    var fileSize = file.Length;

                    if (fileSize > 1024 * 1024 * 10) //10M TODO:(1mb=1024X1024b)

                    {

                        return IpResponse.Create(true, "0", "上傳的文件不能大于10M");

                    }

                    //保存的文件名稱(以名稱和保存時(shí)間命名)

                    var saveName = file.FileName.Substring(0, file.FileName.LastIndexOf('.')) + fileExtension;

                    //文件保存

                    using (var fs = System.IO.File.Create(webRootPath + filePath + saveName))

                    {

                        file.CopyTo(fs);

                        fs.Flush();

                    }

                    //完整的文件路徑

                    var completeFilePath = Path.Combine(filePath, saveName);

                    return IpResponse.Create(true, "0", "上傳成功");

                }

                else

                {

                    return IpResponse.Create(true, "0", "上傳失敗，未檢測(cè)上傳的文件信息");

                }

            }

            catch (Exception ex)

            {

                return IpResponse.Create(true, "0", "文件保存失敗，異常信息為：" + ex.Message);

            }

        }