实现markdown文档编辑器，需要利用一个免费图床来存储图片，并返回图片链接和删除链接。这里就扒了下sm.ms的接口
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<input type="file" accept="image/*">
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.19.2/axios.js"></script>
<script>
const $ref_file = document.getElementsByTagName("input")[0]
$ref_file.onchange=function(){
var fileSize = $ref_file.files[0].size/1024/1024
if(fileSize > 5){
alert("上传文件超过5M，请重新选择!");
return
}
var formdata = new FormData();
formdata.append("smfile",$ref_file.files[0]);
axios.post("https://sm.ms/api/v2/upload" , formdata).then(
res=>console.log(res.data)
).catch(
err=>console.log(err)
);
}
</script>
</body>
</html>
响应数据为：
