1
我從HTML頁面發送JSON到Play服務器。但服務器代碼表現得很奇怪。使用調試器，我可以看到服務器首先發送錯誤的請求響應，然後它處理我的控制器消息並響應Ok。我發送確定但瀏覽器顯示不好的請求
在圖1中，我發送一個請求，圖像有JSON的快照，我立即得到了不好的請求響應，如圖3所示。在圖2中，控制器代碼被執行（我假設服務器發送了錯誤的請求後），服務器再發送200 OK。我在JQuery中使用的內容類型是text/json。如果我使用應用程序/ json，我只收到錯誤的請求消息，並且控制器代碼根本沒有得到執行
我懷疑問題出現在Json中。
@(form:Form[User2])
<!DOCTYPE html>
<html lang="en" xmlns:font-variant="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-COMPATIBLE" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>HTML Test</title>
<link rel="stylesheet" type="text/css" href="@routes.Assets.at("stylesheets/bootstrap.min.css")">
<!--link rel="stylesheet" href="stylesheets/bootstrap-theme.min.css"-->
<style type="text/css">
html, body {
height:100%;
margin:0;padding:0
}
.center-form {
width:100%;
margin:auto;
position:relative;
top:50%;
transform: translateY(-50%)
}
</style>
<script src="@routes.Assets.at("javascripts/jquery-3.1.1.min.js")"></script>
<script src="@routes.Assets.at("javascripts/bootstrap.min.js")"></script>
</head>
<body>
<div class="container center-form" >
<!-- for medium and large screens,
First row of Bootstrap grid contains logo. Total 3 columns (12/4). Logo in middle column-->
<div class="row" >
<!--empty column-->
<div class="col-md-4 col-lg-4" ></div>
<!--logo column-->
<!--div class="col-md-4 col-lg-4" >
<div>
<img src="@routes.Assets.at("images/SalesWorkspaceLogo303x64.png")" alt="SalesWorkspace Logo" height="64" width="303">
</div>
</div-->
<!--empty column-->
<div class="col-md-4 col-lg-4"></div>
</div>
<!-- for medium and large screens,
Second row of Bootstrap grid contains the form for username and password. Total 3 columns (12/4). -->
<div class="row" >
<!--empty column-->
<div class="col-md-4 col-lg-4"></div>
<!--form-->
<div class="col-md-4 col-lg-4">
<form id="registration-form" action="/newreg" method="post">
<div class="form-group">
<label for="first-name">First Name</label>
<input type="text" class="form-control" id="first-name" name="first-name" value="@form("name").value" required>
</div>
<div class="form-group">
<label for="last-name">Last Name</label>
<input type="text" class="form-control" id="last-name" name="last-name" value="@form("name").value" required>
</div>
<div class="form-group">
<label for="email">Email</label>
<input type="email" class="form-control" id="email" name="email" value="@form("email").value" required>
</div>
<div class="form-group">
<label for="password">Password</label>
<input type="password" class="form-control" id="password" name="password" required>
</div>
<div class="form-group">
<label for="confirm-password">Confirm password</label>
<input type="password" class="form-control" id="confirm-password" required>
</div>
<div class="form-group">
<label for="street-name">Street Name</label>
<input type="text" class="form-control" id="street-name" name="street-name" required>
</div>
<div class="form-group">
<label for="country">Country</label>
<input type="text" class="form-control" id="country" name="country" required>
</div>
<button type="submit" class="btn btn-primary">Sign Up</button>
</form>
</div>
<!--empty column-->
<div class="col-md-4 col-lg-4"></div>
</div>
</div>
<script src="@routes.Assets.at("javascripts/myScripts.js")"></script>
</body>
</html>
控制器
def registrationRequest = Action (parse.json){ request =>
(request.body \ "first-name").asOpt[String].map {name =>
Ok("hello " + name)
}.getOrElse{
BadRequest("bad request")
}
}
}
myScripts.js
function objectifyForm(formArray) {//serialize data function
returnArray = {};
for (var i = 0; i < formArray.length; i++){
returnArray[formArray[i]['name']] = formArray[i]['value'];
}
return returnArray;
}
$(document).ready(function(){
// click on form submit
$('#registration-form').on('submit',function(e){
var details = JSON.stringify(objectifyForm($(this).serializeArray()));
console.log(details)
// send ajax
$.ajax({
url: '/newreg', // url where to submit the request
type : "POST", // type of action POST || GET
datatype : "json", // data type
/* this doesn't work*/
//contentType: "application/json; charset=utf-8",
/*this does*/
contentType: "text/json; charset=utf-8",
data : details,
success : function(result) {
// you can see the result from the console
// tab of the developer tools
console.log(result);
},
error: function(xhr, resp, text) {
console.log(xhr, resp, text);
}
})
});
});
