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电商项目笔记

Posted on Edited on Valine:
Symbols count in article: 2.8k Reading time ≈ 3 mins.

整合阿里云oss实现文件上传

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package tech.xixing.machineprice.service.impl;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.apache.commons.lang.StringEscapeUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import tech.xixing.machineprice.service.OssService;
import tech.xixing.machineprice.utils.RandomString;
import tech.xixing.machineprice.vo.ResponseVO;

import java.io.ByteArrayInputStream;
import java.io.IOException;

/**
 * @author xixing
 * @version 1.0
 * @date 2020/7/11 10:46
 */
@Service
public class OssServiceImpl implements OssService {

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

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

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

    @Value("${aliyun.oss.bucketName}")
    private String BUCKETNAME;


    @Override
    public ResponseVO<String> uploadFile(MultipartFile file) {
        OSS ossClient= new OSSClientBuilder().build(ENDPOINT,ACCESS_KEY_ID,ACCESS_KEY_SECRET);
        String originalFilename = file.getOriginalFilename();
        String[] split = originalFilename.split("\\.");

        String name = RandomString.getRandomString(15)+"."+split[split.length-1];
        try {
            ossClient.putObject(BUCKETNAME,"instrument/"+name,new ByteArrayInputStream(file.getBytes()));
        } catch (IOException e) {
            e.printStackTrace();
        }
        ossClient.shutdown();
        String res = StringEscapeUtils.escapeHtml("http://"+BUCKETNAME+"."+ENDPOINT+"/instrument/"+name);
        return ResponseVO.successByData(res);
    }
}

对于刚生成的id，如果需要用到的话

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<insert id="insertSelective" parameterType="tech.xixing.machineprice.pojo.Manufactor" useGeneratedKeys="true" keyProperty="id">
  insert into manufactor
  <trim prefix="(" suffix=")" suffixOverrides=",">
    <if test="id != null">
      id,
    </if>
    <if test="name != null">
      name,
    </if>
    <if test="createTime != null">
      create_time,
    </if>
    <if test="updateTime != null">
      update_time,
    </if>
    <if test="sortedOrder != null">
      sorted_order,
    </if>
  </trim>
  <trim prefix="values (" suffix=")" suffixOverrides=",">
    <if test="id != null">
      #{id,jdbcType=INTEGER},
    </if>
    <if test="name != null">
      #{name,jdbcType=VARCHAR},
    </if>
    <if test="createTime != null">
      #{createTime,jdbcType=TIMESTAMP},
    </if>
    <if test="updateTime != null">
      #{updateTime,jdbcType=TIMESTAMP},
    </if>
    <if test="sortedOrder != null">
      #{sortedOrder,jdbcType=INTEGER},
    </if>
  </trim>
</insert>

useGeneratedKeys=”true” keyProperty=”id”加上这两句，就可以在原来对象中写入这个id。