文章目录

Oss签名认证模板

• 记得bucket 开启跨域，设置公共读，设置延缓时间5秒

作为springcloud 第三方服务上传模板

说明文档

https://help.aliyun.com/document_detail/31947.html?spm=5176.8465980.help.dexternal.41231450ROazxD

依赖配置

springcloud alibaba-oss

https://github.com/alibaba/spring-cloud-alibaba

版本绑定

	<properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>Greenwich.SR6</spring-cloud.version>
        <spring-boot.version>2.2.1.RELEASE</spring-boot.version>
    </properties>
    
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.1.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

		<dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alicloud-oss</artifactId>
        </dependency>
        <!--导入新的依赖-->
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-java-sdk-core</artifactId>
            <version>4.4.5</version>
     	</dependency>

springcloud alibaba 依赖

 <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>2.1.0.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

application.yml配置文件

  cloud:
    nacos:
      discovery:
        server-addr: 127.0.0.1:8848
    alicloud:
      access-key: x
      secret-key: x
      oss:
        endpoint: x

bootstrap.properties 配置文件

spring.application.name=微服务名称
spring.cloud.nacos.server-addr=127.0.0.1:8848 #nacos地址
spring.cloud.nacos.config.namespace=6ff9bee2-6cc4-40f1-88fc-34f000913045 #nacos命名空间
spring.cloud.nacos.config.ext-config[0].data-id=oss.yml
spring.cloud.nacos.config.ext-config[0].group=DEFAULT_GROUP
spring.cloud.nacos.config.ext-config[0].refresh=true
# 阿里云官网，access认证拷贝
spring.cloud.alicloud.access-key=
spring.cloud.alicloud.secret-key=
spring.cloud.alicloud.oss.endpoint=
spring.cloud.alicloud.oss.bucket=
#access-key: LTAI5tD7MQr4oaGfGWi7jbnD
#secret-key: xHEyKbRIrVK88kSccCP9FQAtfYZsbu

上传测试类

@SpringBootTest(classes = MallThirdPartyApplication.class)
@Slf4j
@RunWith(SpringRunner.class)
public class Test {
    @Resource
    OSSClient ossClient;

    @org.junit.Test
    public void testUpload() throws Exception {
//
//        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
//        String endpoint = "oss-cn-hangzhou.aliyuncs.com";
//        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
//        String accessKeyId = "";
//        String accessKeySecret = "";
//        // 填写Bucket名称，例如examplebucket。
        String bucketName = "alleniverrui";
//        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
        String objectName = "test/蓝桥杯-test2.jpg";
//        // 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
//        // 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。
        String filePath = "D:\\desktop\\1429455.jpg";
//
//        // 创建OSSClient实例。
//        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
//
        InputStream inputStream = new FileInputStream(filePath);
        ossClient.putObject(bucketName, objectName, inputStream);
//        try {
//            InputStream inputStream = new FileInputStream(filePath);
//            // 创建PutObject请求。
//            ossClient.putObject(bucketName, objectName, inputStream);
//        } catch (OSSException oe) {
//            System.out.println("Caught an OSSException, which means your request made it to OSS, "
//                    + "but was rejected with an error response for some reason.");
//            System.out.println("Error Message:" + oe.getErrorMessage());
//            System.out.println("Error Code:" + oe.getErrorCode());
//            System.out.println("Request ID:" + oe.getRequestId());
//            System.out.println("Host ID:" + oe.getHostId());
//        } catch (ClientException ce) {
//            System.out.println("Caught an ClientException, which means the client encountered "
//                    + "a serious internal problem while trying to communicate with OSS, "
//                    + "such as not being able to access the network.");
//            System.out.println("Error Message:" + ce.getMessage());
//        } finally {
//            if (ossClient != null) {
//                ossClient.shutdown();
//            }
//        }
    }

签名认证控制器接口

    @Autowired
    OSS ossClient;

    @Value("${spring.cloud.alicloud.oss.endpoint}")
    String endpoint;

    @Value("${spring.cloud.alicloud.oss.bucket}")
    String bucket;

    @Value("${spring.cloud.alicloud.access-key}")
    String accessId;
    @Value("${spring.cloud.alicloud.secret-key}")
    String accessKey;

    @GetMapping("/oss/policy")
    @ApiOperation("oss签名认证")
    public R policy(){

        String host = "https://" + bucket + "." + endpoint; // host的格式为 bucketname.endpoint

        String format = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        String dir = "mall/"+format +"/"; // 用户上传文件时指定的前缀。

        Map<String, String> respMap=null;
        try {
            long expireTime = 30;
            long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
            Date expiration = new Date(expireEndTime);
            PolicyConditions policyConds = new PolicyConditions();
            policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000);
            policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir);

            String postPolicy = ossClient.generatePostPolicy(expiration, policyConds);
            byte[] binaryData = postPolicy.getBytes("utf-8");
            String encodedPolicy = BinaryUtil.toBase64String(binaryData);
            String postSignature = ossClient.calculatePostSignature(postPolicy);

            respMap= new LinkedHashMap<String, String>();
            respMap.put("accessid", accessId);
            respMap.put("policy", encodedPolicy);
            respMap.put("signature", postSignature);
            respMap.put("dir", dir);
            respMap.put("host", host);
            respMap.put("expire", String.valueOf(expireEndTime / 1000));

        } catch (Exception e) {
            // Assert.fail(e.getMessage());
            System.out.println(e.getMessage());
        } finally {
            ossClient.shutdown();
        }
        return R.ok().put("data",respMap);
    }

前端文件上传模板

component 添加upload文件夹

将action换位自己bucket的域名

singleUpload.vue --单文件上传

<template> 
  <div>
    <el-upload
      action="http://.oss-cn-shanghai.aliyuncs.com"
      :data="dataObj"
      list-type="picture"
      :multiple="false" :show-file-list="showFileList"
      :file-list="fileList"
      :before-upload="beforeUpload"
      :on-remove="handleRemove"
      :on-success="handleUploadSuccess"
      :on-preview="handlePreview">
      <el-button size="small" type="primary">点击上传</el-button>
      <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过10MB</div>
    </el-upload>
    <el-dialog :visible.sync="dialogVisible">
      <img width="100%" :src="fileList[0].url" alt="">
    </el-dialog>
  </div>
</template>
<script>
   import {policy} from './policy'
   import { getUUID } from '@/utils'

  export default {
    name: 'singleUpload',
    props: {
      value: String
    },
    computed: {
      imageUrl() {
        return this.value;
      },
      imageName() {
        if (this.value != null && this.value !== '') {
          return this.value.substr(this.value.lastIndexOf("/") + 1);
        } else {
          return null;
        }
      },
      fileList() {
        return [{
          name: this.imageName,
          url: this.imageUrl
        }]
      },
      showFileList: {
        get: function () {
          return this.value !== null && this.value !== ''&& this.value!==undefined;
        },
        set: function (newValue) {
        }
      }
    },
    data() {
      return {
        dataObj: {
          policy: '',
          signature: '',
          key: '',
          ossaccessKeyId: '',
          dir: '',
          host: '',
          // callback:'',
        },
        dialogVisible: false
      };
    },
    methods: {
      emitInput(val) {
        this.$emit('input', val)
      },
      handleRemove(file, fileList) {
        this.emitInput('');
      },
      handlePreview(file) {
        this.dialogVisible = true;
      },
      beforeUpload(file) {
        let _self = this;
        return new Promise((resolve, reject) => {
          policy().then(response => {
            _self.dataObj.policy = response.data.policy;
            _self.dataObj.signature = response.data.signature;
            _self.dataObj.ossaccessKeyId = response.data.accessid;
            _self.dataObj.key = response.data.dir + '/'+getUUID()+'_${filename}';
            _self.dataObj.dir = response.data.dir;
            _self.dataObj.host = response.data.host;
            resolve(true)
          }).catch(err => {
            reject(false)
          })
        })
      },
      handleUploadSuccess(res, file) {
        console.log("上传成功...")
        this.showFileList = true;
        this.fileList.pop();
        this.fileList.push({name: file.name, url: this.dataObj.host + '/' + this.dataObj.key.replace("${filename}",file.name) });
        this.emitInput(this.fileList[0].url);
      }
    }
  }
</script>
<style>

</style>

multiUpload.vue --多文件上传

<template>
  <div>
    <el-upload
      action="http://alleniverrui.oss-cn-hangzhou.aliyuncs.com"
      :data="dataObj"
      list-type="picture-card"
      :file-list="fileList"
      :before-upload="beforeUpload"
      :on-remove="handleRemove"
      :on-success="handleUploadSuccess"
      :on-preview="handlePreview"
      :limit="maxCount"
      :on-exceed="handleExceed"
    >
      <i class="el-icon-plus"></i>
    </el-upload>
    <el-dialog :visible.sync="dialogVisible">
      <img width="100%" :src="dialogImageUrl" alt />
    </el-dialog>
  </div>
</template>
<script>
import { policy } from "./policy";
import { getUUID } from '@/utils'
export default {
  name: "multiUpload",
  props: {
    //图片属性数组
    value: Array,
    //最大上传图片数量
    maxCount: {
      type: Number,
      default: 30
    }
  },
  data() {
    return {
      dataObj: {
        policy: "",
        signature: "",
        key: "",
        ossaccessKeyId: "",
        dir: "",
        host: "",
        uuid: ""
      },
      dialogVisible: false,
      dialogImageUrl: null
    };
  },
  computed: {
    fileList() {
      let fileList = [];
      for (let i = 0; i < this.value.length; i++) {
        fileList.push({ url: this.value[i] });
      }

      return fileList;
    }
  },
  mounted() {},
  methods: {
    emitInput(fileList) {
      let value = [];
      for (let i = 0; i < fileList.length; i++) {
        value.push(fileList[i].url);
      }
      this.$emit("input", value);
    },
    handleRemove(file, fileList) {
      this.emitInput(fileList);
    },
    handlePreview(file) {
      this.dialogVisible = true;
      this.dialogImageUrl = file.url;
    },
    beforeUpload(file) {
      let _self = this;
      return new Promise((resolve, reject) => {
        policy()
          .then(response => {
            console.log("这是什么${filename}");
            _self.dataObj.policy = response.data.policy;
            _self.dataObj.signature = response.data.signature;
            _self.dataObj.ossaccessKeyId = response.data.accessId;
            _self.dataObj.key = response.data.dir + "/"+getUUID()+"_${filename}";
            _self.dataObj.dir = response.data.dir;
            _self.dataObj.host = response.data.host;
            resolve(true);
          })
          .catch(err => {
            console.log("出错了...",err)
            reject(false);
          });
      });
    },
    handleUploadSuccess(res, file) {
      this.fileList.push({
        name: file.name,
        // url: this.dataObj.host + "/" + this.dataObj.dir + "/" + file.name； 替换${filename}为真正的文件名
        url: this.dataObj.host + "/" + this.dataObj.key.replace("${filename}",file.name)
      });
      this.emitInput(this.fileList);
    },
    handleExceed(files, fileList) {
      this.$message({
        message: "最多只能上传" + this.maxCount + "张图片",
        type: "warning",
        duration: 1000
      });
    }
  }
};
</script>
<style>
</style>

policy.js

import http from '@/utils/httpRequest.js'
export function policy() {
   return  new Promise((resolve,reject)=>{
        http({
            url: http.adornUrl("/thirdparty/oss/policy"),
            method: "get",
            params: http.adornParams({})
        }).then(({ data }) => {
            resolve(data);
        })
    });
}

单个文件添加到页面

//在<script>标签中导入组件
import singleUpload from "@/components/upload/singleUpload"

//在export default中声明要用到的组件
  components:{
    singleUpload
  },

文件上传框

 <!--用新的组件替换原来的输入框-->
	  <el-form-item label="图片地址" prop="logo">
        <singleUpload v-model="dataForm.logo"></singleUpload>
      </el-form-item>

前端列表图片显示

	<el-table-column
        prop="logo"
        header-align="center"
        align="center"
        label="图片"
      >
        <template slot-scope="scope">
          <img :src="scope.row.logo" style="width: 100px; height: 80px">
        </template>
      </el-table-column>