Ajax senden Daten an den Controller .Method verwenden diese Daten, wenn die Schaltfläche geklickt.Meine Metode hat model.addatribute.Alert post null Wert .Warum?model.addAttribute funktioniert nicht mit jquery?
mein Controller
@RequestMapping(value = "index",method =RequestMethod.POST)
@ResponseBody public List-Feld (@RequestParam ("tName") String name, @ RequestParam ("dname") String dname, Modell Modell) { String tn = name; Zeichenfolge dn = dname; Liste coname = new ArrayList <>(); versuchen { Verbindung mycon2 = DriverManager.getConnection ("jdbc: mysql: // localhost: 3306", "root", "1996"); DatabaseMetaData metaData2 = mycon2.getMetaData(); Ergebnismenge res4 = metaData2.getColumns (dn, null, tn, "%"); coname = neue ArrayList <>(); while (res4.next()) { Zeichenfolge column_name = res4.getString ("COLUMN_NAME"); coname.add (Spaltenname); }
}
catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return coname;
}
Index html
<div id="RightPanel" style="width: 200; height: 100%; float: right;">
<table class="table table-striped">
<input type='text' id='tablehead' />
<tr>
<th>Column name</th>
</tr>
<tr th:each="name : ${cname}">
<td> th:text="${name}"</td>
</tr>
</table>
</div>
JavaScript in HTML-Index
<script th:inline="javascript">
function onclk(a,b) {
var search = {
"tName" : a,
"dName" :b
}
$.ajax({
type: "POST",
url: "http://localhost:8092/index",
data: search,
dataType: "json",
success: function (data) {
var modelAttributeValue = [[${coname}]];
alert(modelAttributeValue); },
error: function(){
alert('got error');
}
});
AFAIK diese Art von Markup '
Antwort
Try this:
Quelle
2017-10-14 07:44:21 juanlumn
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