文件上传需要以下multiparty：
因为涉及修改文件名，所以还需要fs组件
npm install multiparty --save
npm install fs --save
页面reg.html：
~~~
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="../javascripts/jquery-3.2.0.min.js"></script>
<script>
$(function(){
$("#btn_reg").click(function(){
var formdata = new FormData(document.getElementById("myform"));
$.ajax({
url:"../users/reg",
type:"post",
data:formdata,
contentType:false,
processData:false,
success:function(data)
{
console.log(data);
}
});
});
})
</script>
</head>
<body>
<form id="myform" method="post" enctype="multipart/form-data">
<div>
<div id="photos">
<div id="addfile">
<img src="img/addfile.jpg"/>
<input name="photo" type="file" accept="image/*" />
</div>
</div>
</div>
<div class="form-div">
姓名：<input class="form-control" type="text" name="name" />
</div>
<div class="form-div">
密码:<input class="form-control" type="text" name="pwd" />
</div>
<div class="form-div">
性别：<input type="radio" name="sex" value="女" checked /> 女
<input type="radio" name="sex" value="男" /> 男
</div>
<div class="form-div">
生日：<input class="form-control" type="date" name="birthday" />
</div>
<div class="form-div">
薪水：<input class="form-control" type="text" name="sal" />
</div>
<button id="btn_reg" type="button">注册</button>
</form>
</body>
</html>
~~~
user.js
~~~
var multiparty = require('multiparty');
var fs = require('fs');
router.post('/reg', function(req, res, next) {
//文件上传位置
var form = new multiparty.Form({uploadDir: './public/files'});
//上传完成后处理
form.parse(req, function(err, fields, files) {
var name = fields.name[0];
var pwd = fields.pwd[0];
var sex = fields.sex[0];
var birthday = fields.birthday[0];
var sal = fields.sal[0];
var photo = files.photo[0].originalFilename;
//改文件名 fs.rename(files.photo[0].path,'./public/files/'+files.photo[0].originalFilename, function(err){
console.log(err);
})
var obj = {name:name,pwd:pwd,birthday:new Date(birthday),sal:sal,photo:photo};
var userdao = new UserDAO();
userdao.addUser(obj,function(){
res.send("注册成功");
},function(){
res.send("注册失败");
});
});
});
~~~
