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[英]How to get elements of arrayList from servlet to jsp and display on the same jsp without using AJAX
[英]Ajax to display arraylist from the servlet in jsp
我有一個JSP
頁面,該頁面從servlet
接收列表並使用JSTL
顯示它。我想使用ajax
發送請求。 現在如何使用ajax
從servlet
獲取列表並進行顯示。
沒有ajax的jsp
頁面的一部分
<form action="StatusServlet" method="post">
<div class="bfh-datepicker" data-name="datepicker" data-format="d-m-y" data-date="today" data-align="right" id="datepicker">
</div>
<hr class="soften">
<h5><strong>Screen</strong></h5>
<div class="checkbox">
<label>
<input type="checkbox" name="Screen" value="1">
Screen1
</label>
</div>
//remaining code here
</form>
<div class="col-md-10 col-sm-9 col-xs-12">
<c:forEach items="${statusdisplay}" var="statuslist">
<div class="row">
<div class="col-md-6 col-sm-12 col-xs-12">
<div class="input-group col-xs-12">
<span class="input-group-addon iga">Screen</span>
<input type="text" class="form-control" value= "${statuslist.screen}" readonly>
</div><br>
<div class="input-group col-xs-12">
<span class="input-group-addon iga">Total Seats A</span>
<input type="text" class="form-control" value="${statuslist.seatsA}" readonly>
</div><br>
<div class="input-group col-xs-12">
<span class="input-group-addon iga">Total Seats B</span>
<input type="text" class="form-control" value="${statuslist.seatsB}" readonly>
</div><br>
<div class="input-group col-xs-12">
<span class="input-group-addon iga">Show</span>
<input type="text" class="form-control" value="${statuslist.show}" readonly>
</div><br>
</div>
<div class="col-md-6 col-sm-12 col-xs-12">
<div class="input-group col-xs-12">
<span class="input-group-addon iga">Class A Price</span>
<input type="text" class="form-control" value="${statuslist.priceA}" readonly>
</div><br>
<div class="input-group col-xs-12">
<span class="input-group-addon iga">Class B Price</span>
<input type="text" class="form-control" value="${statuslist.priceB}" readonly>
</div><br>
<div class="input-group col-xs-12">
<span class="input-group-addon iga">Start Time</span>
<input type="text" class="form-control" value="${statuslist.start_time}" readonly>
</div><br>
<div class="input-group col-xs-12">
<span class="input-group-addon iga">End Time</span>
<input type="text" class="form-control" value="${statuslist.end_time}" readonly>
</div><br>
</div>
</div>
//remaining code code
這是我的servlet
代碼
request.setAttribute("statusdisplay", statuslist);
RequestDispatcher requestdispatcher=request.getRequestDispatcher("/Status.jsp");
requestdispatcher.forward(request,response);
如何使用ajax將表單數據發送到servlet,以及如何使用ajax和arraylist
顯示接收到的arraylist
。
您不需要使用ajax來顯示列表。 您必須創建一個獲取數據的servlet,然后轉到JSP進行顯示。 您可以在此處查看將數據從servlet發送到JSP的示例:
Ajax簡單代碼
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.open("GET","servlet.do",true);//second param is your servlet url
xmlhttp.send();
//callback
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
var result = xmlhttp.responseText; //this is what you want
}
}
注意:在servlet中,您必須out.println()您想要什么。 這是非常簡單的ajax代碼,您只知道什么是ajax!
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