写一个spring的项目，在用layui编写登录页面时,如何实现以下功能。将表单里的数据全部提交到“/login”下并进行校验同时返回信息到前端。我怎么改都成功不了。
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<meta charset="utf-8"/>
<title>用户登录</title>
<link rel="stylesheet" href="assets/libs/layui/css/layui.css"/>
<link rel="stylesheet" href="assets/css/login.css" media="all">
<link rel="icon" href="assets/images/logo_2.png" sizes="32x32">
</head>
<body>
<div class="login-wrapper">
<div class="login-body">
<div class="layui-card">
<div class="layui-card-header">
<i class="layui-icon layui-icon-engine"></i> 用户登录
</div>
<form class="layui-card-body layui-form layui-form-pane">
<div class="layui-form-item">
<label class="layui-form-label"><i class="layui-icon layui-icon-username"></i></label>
<div class="layui-input-block">
<input name="username" type="text" lay-verify="required" placeholder="账号"
class="layui-input">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label"><i class="layui-icon layui-icon-password"></i></label>
<div class="layui-input-block">
<input name="password" type="password" lay-verify="required" placeholder="密码"
class="layui-input">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label"><i class="layui-icon layui-icon-vercode"></i></label>
<div class="layui-input-block">
<div class="layui-row inline-block">
<div class="layui-col-xs7">
<input name="validCode" style="width:170px" type="text" lay-verify="required"
placeholder="验证码" class="layui-input">
<input name="deviceId" type="hidden"/>
</div>
<div class="layui-col-xs5" style="padding-left: 10px;">
<img class="login-captcha" src="#" style="display:none">
</div>
</div>
</div>
</div>
<div class="layui-form-item">
<button lay-filter="login-submit" class="layui-btn layui-btn-fluid" lay-submit>登 录</button>
</div>
</form>
</div>
</div>
<div class="login-footer">
<p>物联网水表综合平台</p>
</div>
</div>
<script type="text/javascript" src="assets/libs/jquery-3.2.1.min.js"></script>
<script type="text/javascript" src="assets/libs/layui/layui.js"></script>
<script type="text/javascript" src="module/Math.uuid.js"></script>
<script>
layui.config({
base: 'module/'
}).use(['form'], function () {
var uuid = Math.uuid();
var $ = layui.jquery;
var form = layui.form;
if (config.getToken()) {
location.replace('./');
return;
}
// 表单提交
form.on('submit(login-submit)', function (obj) {
var field = obj.field;
layer.load(2);
$.ajax({
url: config.base_server + 'api-auth/oauth/token',
data: field,
type: 'POST',
success: function (data) {
if (data.access_token) {
config.putToken(data);
layer.msg('登录成功', {icon: 1, time: 500}, function () {
location.replace('./');
});
} else {
layer.closeAll('loading');
layer.msg('登录失败，请重试', {icon: 5, time: 500});
}
},
error: function (xhr) {
layer.closeAll('loading');
var error;
var error_msg;
if (xhr.status === 400) {
error = JSON.parse(xhr.responseText);
error_msg = error.error_description ? error.error_description : error.resp_msg;
layer.msg(error_msg ? error_msg : xhr.statusText, {icon: 5, time: 500});
} else if (xhr.status === 401) {
error = JSON.parse(xhr.responseText);
error_msg = error.error_description ? error.error_description : error.resp_msg;
layer.msg(error_msg ? error_msg : xhr.statusText, {icon: 5, time: 500});
} else if (xhr.status === 500) {
layer.msg('服务器异常,请联系管理员', {icon: 5, time: 500});
} else if (xhr.status === 0) {
layer.msg('网关异常,请联系管理员', {icon: 5, time: 900});
}
}
});
return false; //阻止表单跳转
});
// 图形验证码
$('.login-captcha').attr("src", config.base_server + "api-auth/validata/code/" + uuid).attr("style", "")
.click(function () {
this.src = this.src + '?timestamp=' + (new Date).getTime();
});
});
</script>
</body>
</html>
前端需要做的是，使用ajax将表单元素传给后台就可以了