vue实现图片与文件上传步骤详解

<input type="file" value="" id="file" @change='onUpload'>//注意不能带括号

methods: {
//上传图片
onUpload(e){
 var formData = new FormData(); 
 f ormData.append('file', e.target.files[0]);
 formData.append('type', 'test');
 $.ajax({
 url: '/ShopApi/util/upload.weixun'，//这里是后台接口需要换掉
 type: 'POST',
 dataType: 'json',
 cache: false,
 data: formData,
 processData: false,
 contentType: false,
 success: (res) => { 
 if (res.code === 200) {
 var img_tpl ='<p class="picture" style="width:108px;float:left;"><img id="preview" src="'+后台返回的tu'pian路径+'" style="width:48px;height:48px;float:left;background-size:cover;"/><span class="r-span"
 onclick = "onDeletePicture()" style="color:#49BDCC;display:block;float:left;margin-left:10px;line-height:48px;">删除</span></p>';
 $("#refund_img").after(img_tpl);
 }
 },
 error: function(err) {
 alert("网络错误");
 }
 });
} 
}