只需要把

<el-upload action="">中的action等於增加方法的地址，即ajax中url等於的東西
上傳圖片時，預設name=file

Element UI 實現上傳圖片功能的程式碼如下：

<template>
<!--<div>輪播</div>-->
  <div class="login-box">

    <el-upload
      class="upload-demo"
      action="http://localhost:8080/lunbo/insert"
      :on-preview="
 
handlePreview"
      :on-remove="handleRemove"
      :before-remove="beforeRemove"
      multiple
      :limit="3"
      :on-exceed="handleExceed"
      :file-list="fileList">
      <el-button size="small" type="primary" >點選上傳</el-button>
      <div slot="tip" class="el-upload__tip"
 
>只能上傳jpg/png檔案，且不超過500kb</div>
    </el-upload>




  </div>

</template>

<script>
    export default {
        name: "add-file",
      data(){
        return {
          fileList: [{name: 'food.jpeg', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100
 
'}, {name: 'food2.jpeg', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100'}]
        };
      },
      methods:{
        handleRemove(file, fileList) {
          console.log(file, fileList);
        },
        handlePreview(file) {
          console.log(file);
        },
        handleExceed(files, fileList) {
          this.$message.warning(`當前限制選擇 3 個檔案，本次選擇了 ${files.length} 個檔案，共選擇了 ${files.length + fileList.length} 個檔案`);
        },
        beforeRemove(file, fileList) {
          return this.$confirm(`確定移除 ${ file.name }？`);
        },
          addfile(formName){
            this.$refs[formName].validate((valid) => {
              var vm=this;
              if(valid){
                console.log(vm.form.url);
                this.$axios({
                  method:'post',
                  url:'http://localhost:8080/lunbo/insert',
                  enctype:'multipart/form-data',
                  data:{
                    url:this.form.url
                  }
                }).then(function (resp) {
                   console.log(resp.data);
                  if(resp.data=="success"){
                    console.log('真棒');
                    /*vm.$router.push("/UserList")*/
                    vm.$message({
                      message: '恭喜你，新增成功',
                      type: 'success'
                    });
                  }else{
                    vm.$message.error('新增失敗');
                    return false;
                  }
                })
              }
            });

          }
      }


    }
</script>

<style scoped>

</style>