JSP带参请求

body:

<input type="date" name="datetime" id="datetime" onchange="submitForm()" />
<a href="javascript:void(0)" id="serach">查询</a>

JS:

function submitForm(){
		var datetime = $("#datetime").val();
		if(datetime != null){
			var url = "<%=request.getContextPath() %>/manageTowerAction.do?time=" +datetime;
			$("#serach").attr('href',url);
		}
	}