Vue Bootstrap OSS 实现文件上传
2022-09-06 22:56:22

<div class="form-group">
                <label class="col-sm-2 control-label">头像</label>
                <div class="col-sm-10">
                  <file v-bind:input-id="'image-upload'"
                            v-bind:text="'上传头像'"
                            v-bind:suffixs="['jpg', 'jpeg', 'png']"
                            v-bind:use="FILE_USE.TEACHER.key"
                            v-bind:after-upload="afterUpload"></file>
                  <div v-show="teacher.image" class="row">
                    <div class="col-md-4">
                      <img v-bind:src="teacher.image" class="img-responsive">
                    </div>
                  </div>

                </div>
              </div>

<script>
import File from "../../components/file";
export default {
  components: {Pagination, BigFile,File},
  name: "business-teacher",
  data: function () {
    return {
      teacher: {},
      teachers: [],
      FILE_USE: FILE_USE,
    }
  },
  
  methods: {
    /**
     * 点击【新增】
     */
    add() {
      let _this = this;
      _this.teacher = {};
      $("#form-modal").modal("show");
    },

    /**
     * 点击【编辑】
     */
    edit(teacher) {
      let _this = this;
      _this.teacher = $.extend({}, teacher);
      $("#form-modal").modal("show");
    },

    /**
     * 列表查询
     */
    list(page) {
      let _this = this;
      Loading.show();
      _this.$api.post(process.env.VUE_APP_SERVER + '/business/admin/teacher/list', {
        page: page,
        size: _this.$refs.pagination.size,
      }).then((response) => {
        Loading.hide();
        let resp = response.data;
        _this.teachers = resp.content.list;
        _this.$refs.pagination.render(page, resp.content.total);

      })
    },

    /**
     * 点击【保存】
     */
    save() {
      let _this = this;

      // 保存校验
      if (1 != 1
          || !Validator.require(_this.teacher.name, "姓名")
          || !Validator.length(_this.teacher.name, "姓名", 1, 50)
          || !Validator.length(_this.teacher.nickname, "昵称", 1, 50)
          || !Validator.length(_this.teacher.image, "头像", 1, 100)
          || !Validator.length(_this.teacher.position, "职位", 1, 50)
          || !Validator.length(_this.teacher.motto, "座右铭", 1, 50)
          || !Validator.length(_this.teacher.intro, "简介", 1, 500)
      ) {
        return;
      }

      Loading.show();
      _this.$api.post(process.env.VUE_APP_SERVER + '/business/admin/teacher/save', _this.teacher).then((response) => {
        Loading.hide();
        let resp = response.data;
        if (resp.success) {
          $("#form-modal").modal("hide");
          _this.list(1);
          Toast.success("保存成功！");
        } else {
          Toast.warning(resp.message)
        }
      })
    },
    afterUpload(resp) {
      let _this = this
      let image = resp.content.path;
      _this.teacher.image = image
    }
  }
}
</script>

<template>
  <div>
    <button type="button" v-on:click="selectFile()" class="btn btn-white btn-default btn-round">
      <i class="ace-icon fa fa-upload"></i>
      {{text}}
    </button>
    <input class="hidden" type="file" ref="file" v-on:change="uploadFile()" v-bind:id="inputId+'-input'">
  </div>a
</template>

<script>
export default {
  name: 'file',
  props: {
    text: {
      default: "上传文件"
    },
    inputId: {
      default: "file-upload"
    },
    suffixs: {
      default: []
    },
    use: {
      default: ""
    },
    afterUpload: {
      type: Function,
      default: null
    },
  },
  data: function () {
    return {
    }
  },
  methods: {
    uploadFile () {
      let _this = this;
      let formData = new window.FormData();
      let file = _this.$refs.file.files[0];

      // 判断文件格式
      let suffixs = _this.suffixs;
      let fileName = file.name;
      let suffix = fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length).toLowerCase();
      let validateSuffix = false;
      for (let i = 0; i < suffixs.length; i++) {
        if (suffixs[i].toLowerCase() === suffix) {
          validateSuffix = true;
          break;
        }
      }
      if (!validateSuffix) {
        Toast.warning("文件格式不正确！只支持上传：" + suffixs.join(","));
        $("#" + _this.inputId + "-input").val("");
        return;
      }

      // key："file"必须和后端controller参数名一致
      formData.append('file', file);
      formData.append('use', _this.use);
      Loading.show()
      _this.$api.post(process.env.VUE_APP_SERVER + '/file/admin/oss-simple', formData).then((response) => {
        Loading.hide()

        let resp = response.data
        console.log("上传文件成功：", resp)

        //回调父组件函数
        _this.afterUpload(resp)

        //解决 同一个文件上传2次或者大于3次，不会发生变化
        $("#" + _this.inputId + "-input").val("");
      })
    },

    selectFile() {
      let _this = this
      // console.log("_this.inputId",_this.inputId)
      $("#" + _this.inputId + "-input").trigger("click");
    }
  },
}
</script>

<style scoped>
</style>

<!-- OSS Java SDK -->
            <dependency>
                <groupId>com.aliyun.oss</groupId>
                <artifactId>aliyun-sdk-oss</artifactId>
                <version>3.10.2</version>
            </dependency>

# 应用名称
spring.application.name=file
# 应用端口
server.port=9003
# 注册到eureka
eureka.client.service-url.defaultZone=http://localhost:8761/eureka

# 请求访问前缀
server.servlet.context-path=/file

# 本地存储静态文件路径
file.path=D:/file/imooc/course/
# 访问静态文件路径（用于文件回显或者文件下载）
file.domain=http://127.0.0.1:9000/file/f/

# 文件大小（如果搭建大小超过此配置的大小或抛出异常）
spring.servlet.multipart.max-file-size=50MB
# 请求大小
spring.servlet.multipart.max-request-size=50MB


# OSS 配置
oss.accessKeyId=xxx
oss.accessKeySecret=xxx
oss.endpoint=http://oss-cn-beijing.aliyuncs.com
oss.ossDomain=http://bucket名称.oss-cn-beijing.aliyuncs.com/
oss.bucket=xxx

package com.course.file.controller;

import com.alibaba.fastjson.JSON;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.AppendObjectRequest;
import com.aliyun.oss.model.AppendObjectResult;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.GetMezzanineInfoResponse;
import com.course.server.dto.FileDto;
import com.course.server.dto.ResponseDto;
import com.course.server.enums.FileUseEnum;
import com.course.server.service.FileService;
import com.course.server.util.Base64ToMultipartFile;
import com.course.server.util.UuidUtil;
import com.course.server.util.VodUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;
import java.io.ByteArrayInputStream;

@RequestMapping("/admin")
@RestController
public class OssController {
    public static final Logger LOG = LoggerFactory.getLogger(OssController.class);
    public static final String BUSINESS_NAME = "文件上传";

    @Value("${oss.accessKeyId}")
    private String accessKeyId;

    @Value("${oss.accessKeySecret}")
    private String accessKeySecret;

    @Value("${oss.endpoint}")
    private String endpoint;

    @Value("${oss.bucket}")
    private String bucket;

    @Value("${oss.ossDomain}")
    private String ossDomain;


    /**
     * oss简单上传
     *
     * @param file
     * @param use
     * @return
     * @throws Exception
     */
    @PostMapping("/oss-simple")
    public ResponseDto fileUpload(@RequestParam MultipartFile file, String use) throws Exception {
        LOG.info("上传文件开始");

        //接收前端的归属文件类型  COURSE("C", "课程"), TEACHER("T", "讲师");
        FileUseEnum useEnum = FileUseEnum.getByCode(use);

        // 为了支持一个文件上传多次，展示历史的不同版本，因此上传文件前，统一添加文件前缀，下载时，统一截取文件没那个前8位处理
        String key = UuidUtil.getShortUuid();
        //获取文件名
        String fileName = file.getOriginalFilename();
        //获取按照文件类型存储的目录
        String dir = useEnum.name().toLowerCase();
        //文件存储目录拼接 /teacher/1.jpeg
        String path = dir + "/" + key + fileName;

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        // 创建PutObjectRequest对象。
        //String content = "Hello OSS";
        // <yourObjectName>表示上传文件到OSS时需要指定包含文件后缀在内的完整路径，例如abc/efg/123.jpg。
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, path, new ByteArrayInputStream(file.getBytes()));

        // 如果需要上传时设置存储类型与访问权限，请参考以下示例代码。
        // ObjectMetadata metadata = new ObjectMetadata();
        // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
        // metadata.setObjectAcl(CannedAccessControlList.Private);
        // putObjectRequest.setMetadata(metadata);

        // 上传字符串
        ossClient.putObject(putObjectRequest);
        // 关闭OSSClient
        ossClient.shutdown();;

        ResponseDto responseDto = new ResponseDto();
        FileDto fileDto = new FileDto();
        fileDto.setPath(ossDomain + path);
        responseDto.setContent(fileDto);

        return responseDto;
    }
}