以下代码块旨在从名为 materialsInMaterialsRecieved 的数据表和名为 materials-recieved 的表单收集数据,并创建一个对象,如下例所示。
{
PurchaseOrderId: "1",
ReceivedDate: "07/23/2016",
MaterialsInMaterialsRecived: {
Cost: "2",
MaterialId: "1",
MaterialName: "Silk",
QuantityDispatched: "2",
QuantityRecieved: "2",
Remark: "asda"
}
}
该对象正在创建并存储为submitData
。 submitData
需要通过 ajax 发送到 API url。但这样做时,会抛出一个错误,显示 Uncaught RangeError: Maximum call stack size displayed.
以下是 html 标记,
<div class="col-md-6 col-sm-12">
<form action="/api/MaterialsRecieveds/AddMaterialsRecieved" id="materials-recieved" method="POST">
<div id="name-group" class="form-group">
<label for="name">Purchase OrderID</label>
<select name="PurchaseOrderId" class="form-control" id="PurchaseOrderList"></select>
<label for="date">P/O sent time</label>
<input type="text" class="form-control" name="ReceivedDate" id="receivedDate">
</div>
</form>
<button class="btn btn-success" id="create-materials-recieved-note">Create Materials Recieved Note</button>
</div>
<div class="col-md-12">
<table id="materials-in-materials-recieved" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th>Material Id</th>
<th>Material Name</th>
<th>Quantity Recieved</th>
<th>Quantity Dispatched</th>
<th>Cost</th>
<th>Remarks</th>
</tr>
</thead>
<tbody></tbody>
</table>
</div>
以下是javacript代码,
$("#create-materials-recieved-note").on('click',function (event) {
var submitData = {};
var materials = materialsInMaterialsRecieved.rows().data(); // materialsInMaterialsRecieved is a handle for a Datatable
$("#materials-recieved .form-control").each(function () {
submitData[$(this).attr2("name")] = $(this).val();
})
submitData["MaterialsInMaterialsRecived"] = materials;
console.log(submitData);
$.ajax({
type: 'post', // define the type of http verb we want to use (post for our form)
url: '/api/MaterialsRecieveds/AddMaterialsRecieved', // the url where we want to post
data: submitData, // our data object
dataType: 'json', // what type of data do we expect back from the server
contentType: 'application/json',
success: function (data) {
console.log(data);
}
});
event.preventDefault();
});
如果我注释掉 $.ajax(... 语句,则不会出现错误。
最佳答案
submitData
是一个巨大的类似数组的对象。如果我将 submitData
直接传递到 $.ajax
中,JQuery 会尝试将有效负载数据序列化为 json,因为我已将 dataType 指定为“json”。此 JQuery 序列化创建了大量方法回调并卡住浏览器,然后抛出通知它的错误。
此问题的简单解决方案是避免 JQuery 序列化并将负载数据的字符串化版本传递给 ajax 调用。
$.ajax({
type: 'post',
url: '/api/MaterialsRecieveds/AddMaterialsRecieved',
data: JSON.stringify(submitData), // stringyfy before passing
dataType: 'json', // payload is json
contentType : 'application/json',
success: function (data) {
console.log(data);
}
});
关于jquery - "Uncaught RangeError: Maximum call stack size exceeded"调用 $.ajax jquery 函数时,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38540676/