我正在使用 jQuery DataTables 在 spring 4.x 应用程序中创建一个报表页面来呈现报表。
通过 Jackson 消息转换器解析后，服务器返回以下对象。
{
"data":[
{
"desc":"SUBWAY 00501197 BRONX NYUS",
"amount":"-",
"date":"5.72"
},
{
"desc":"MIDTOWN COMICS NEW YORK NYUS",
"amount":"-",
"date":"73.32"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"BIMG PRIMARY CARE NEW YORK NYUS",
"amount":"-",
"date":"25.00"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"Walgreens Speci 205 8THNEW YORK NYUS",
"amount":"-",
"date":"10.00"
},
{
"desc":"GOOGLE *SGN Games GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"9.99"
},
{
"desc":"REDBOX *DVD RENTAL 866-733-2693 ILUS",
"amount":"-",
"date":"35.93"
},
{
"desc":"SHUN FA RELAXING CENTE NEW YORK NYUS",
"amount":"-",
"date":"20.00"
},
{
"desc":"CHIPOTLE 0590 NEW YORK NYUS",
"amount":"-",
"date":"9.00"
},
{
"desc":"CHIPOTLE 0590 NEW YORK NYUS",
"amount":"-",
"date":"9.00"
},
{
"desc":"ALEX CLEANERS BRONX NYUS",
"amount":"-",
"date":"58.95"
},
{
"desc":"SUBWAY 00501197 BRONX NYUS",
"amount":"-",
"date":"5.17"
},
{
"desc":"PAYPAL *LAROMANAAPA 4029357733 CAUS",
"amount":"-",
"date":"103.20"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *SGN Games GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"4.99"
},
{
"desc":"GOOGLE *SGN Games GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"4.99"
},
{
"desc":"LA ISLA RESTAURANT #2 NEW YORK NYUS",
"amount":"-",
"date":"12.75"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"REDBOX *DVD RENTAL 866-733-2693 ILUS",
"amount":"-",
"date":"7.62"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"3.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
},
{
"desc":"GOOGLE *PlayDog Soft GOOGLE.COM/CHCAUS",
"amount":"-",
"date":"1.99"
}
]
}
现在我尝试将其传递到数据表，如下所示。但我收到一个错误。
$('#example').dataTable(data)
但它给了我一个错误，如下所示:
DataTables warning: table id=example - Cannot reinitialise DataTable. For more information about this error, please see https://datatables.net/manual/tech-notes/3.
呈现的表格也用数据代替了列名，看起来完全错误。
下面是我的 Controller
@RequestMapping(value = "/getStmt", method = RequestMethod.GET)
public @ResponseBody HashMap<String,ArrayList<UserStatement>> getStatement(@RequestParam(required = true) String name, @RequestParam(required = true) String month, HttpServletRequest request, Model model){
System.out.println(name+", "+month+"");
User user = userDao.findUserByName(name);
ArrayList<UserStatement> s=new ArrayList<UserStatement>();
if (user != null && user.getUser_token()!=null) {
s = (ArrayList<UserStatement>) userDao.getUserSelectedStatement(user.getUser_token(), 07, 2015);
}else{
UserStatement us =new UserStatement();
us.setAmount("A user token could not be found for the user ");
s.add(us);
}
HashMap<String, ArrayList<UserStatement>> h=new HashMap<String, ArrayList<UserStatement>>();
h.put("data", s);
return h;
}
下面是我的 Ajax 函数
$(document).ready(function(){
var today = new Date();
var month=today.getMonth();
var name="test";
$.ajax({
type: "GET",
url: "getStmt.ajax",
data: "name="+name+"&month="+month,
success: function(msg){
$('#stdata').html( '<table cellpadding="0" cellspacing="0" border="0" class="display" id="example"></table>' );
var data1 = JSON.stringify(msg);
console.log(data1);
console.log(data1.data);
console.log( "Data Saved: " + msg );
$('#example').dataTable( {
"aaData": data,
"aoColumns": [
{"sTitle": "Description"},
{"sTitle": "Amount" },
{"sTitle": "Date" }
]
} );
},
error: function(msg){
var data = msg;
console.log( "There was an error: " + msg );
$('#stdata').dataTable( {
"ajax": data,
"columns": [
{ "title": "Description" },
{ "title": "Amount" },
{ "title": "Date" },
{ "title": "Balance" }
]
} );
}
});
});
和 html:
<div class="panel-body">
<div id="stdata">
</div>
</div>
表格应该位于stdata div内。
我怎样才能让它发挥作用？我还希望这样一种方式:如果用户更改在下拉列表中选择的日期，则应通过 Ajax 重新填充该日期的表。
最佳答案
解决方案 1
使用ajax.data选项添加将发送到服务器的其他参数。
这样你就不需要重新初始化表，这使得代码变得更加简单。
例如:
$('#example').DataTable({
ajax: {
url: "/script.php",
data: function(d){
d.select1 = $('#example-select1').val();
d.select2 = $('#example-select2').val();
}
}
});
$('#example-select1, #example-select2').on('change', function(){
$('#example').DataTable().ajax.reload();
});
其中 example-select1、example-select2 是下拉列表的 ID。
参见this jsFiddle用于代码和演示。
解决方案2
使用clear()以及rows.add()清除表并为 DataTables 1.10+ 添加新数据。对于 DataTables 1.9，请使用 fnClearTable和 fnAddData分别。
向现有表添加数据(对于 DataTables 1.10+):
$('#example').DataTable().clear();
$('#example').DataTable().rows.add(msg.data);
其中 msg 是保存来自服务器的响应的变量。
解决方案3
使用bDestroy (对于 DataTables 1.9)或 destroy (对于 DataTables 1.10+)用于销毁与选择器匹配的任何现有表并替换为新选项的选项。
重新初始化表(对于 DataTables 1.10+):
$('#example').DataTable( {
"destroy": true,
"data": msg.data,
"columns": [
{"title": "Description"},
{"title": "Amount" },
{"title": "Date" }
]
});
其中 msg 是保存来自服务器的响应的变量。
关于jQuery DataTables - 无法重新初始化 DataTable，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/31948959/