SpringBoot结合Vue实现图片上传

效果

• 页面图片上传
  • 
• 上传完成之后
  • 

Vue中图片上传核心代码

• 在main.js中引入axios

   

  import axios from 'axios'
  Vue.prototype.$ajax = axios;

• 在图片上传的文件中写文件上传控件

   

  <li>
      <h3>添加新图：</h3>
      <input type="file" id="saveImage" name="myphoto" accept="image/png,image/gif,image/jpeg"
             ref="new_image">
      <el-button @click="addImage">确认添加</el-button>
  </li>

• 添加图片函数

   

  addImage: function () {
      let self = this;
      if (self.$refs.new_image.files.length !== 0) {
          var formData = new FormData()
          formData.append('image_data', self.$refs.new_image.files[0]);
          //单个文件进行上传
          self.$ajax.post('/addImage', formData, {
              headers: {
                  "Content-Type": "multipart/form-data"
              }
          }).then(response => {
  
          })
      }
  }

SpringBoot中图片下载核心控制类代码

• 方法核心代码

   

  @RequestMapping("/addImage")
  @ResponseBody
  public String addImage(@RequestParam(name = "image_data", required = false) MultipartFile file) {
      //文件上传
      if (!file.isEmpty()) {
          try {
              //图片命名
              String newCompanyImageName = "newPIC";
              String newCompanyImagepath = "D:\\"+newCompanyImageName;
              File newFile = new File(newCompanyImagepath);
              if (!newFile.exists()) {
                  newFile.createNewFile();
              }
              BufferedOutputStream out = new BufferedOutputStream(
                      new FileOutputStream(newFile));
              out.write(file.getBytes());
              out.flush();
              out.close();
          } catch (FileNotFoundException e) {
              e.printStackTrace();
              return "图片上传失败！";
          } catch (IOException e) {
              e.printStackTrace();
              return "图片上传失败！";
          }
      }
      return "图片上传失败！";
  }