【发布时间】：2020-11-15 07:34:27
【问题描述】：
我试图用我从 Spring 控制器放入模型的 List 来填充 jsp 中的表格，但表格没有被填充。这是页面：
<%@ page import="cl.onvision.dte.be.utils.*" %>
<%
String order = request.getParameter("o");
String search = request.getParameter("s");
String strTitulo = "Gestor usuarios";
%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
<meta http-equiv="Pragma" content="no-cache" />
<meta http-equiv="Expires" content="0" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<title>Administrador / Inicio</title>
</head>
<body>
<!-- Header layer -->
<div class="container">
<div class="row" style="background-color: rgb(255,130,0); padding: 10px">
<div class="col-sm-3"><img src="/img/index/slogan150.png" /></div>
<div class="col-sm-4"></div>
<div class="col-sm-5 text-right text-white">
<!--a href="/login/salir">Salir</a-->
<%@include file="/views/include/bannerSesion.jsp"%>
</div>
</div>
</div>
<!-- Menu layer -->
<div class="container">
<ul class="nav nav-tabs nav-justified">
<li class="nav-item"><a class="nav-link" href="/admin/inicio">Inicio</a></li>
<li class="nav-item"><a class="nav-link" href="/admin/usuarios">Gestion Usuarios</a></li>
<li class="nav-item"><a class="nav-link" href="/admin/contrib">Gestion Contribuyentes</a></li>
<li class="nav-item"><a class="nav-link" href="/admin/alertas">Alertas</a></li>
<li class="nav-item"><a class="nav-link active" href="/admin/ciudades">Ciudades</a></li>
</ul>
</div>
<br />
<!-- Search & button upper-layer -->
<div class="container">
<div class="row">
<div class="col-sm-6">
<b>Búsqueda:</b>
<input type="text" class="input-sm" style="height:25px" id="s" value="<%= (search==null)? "": search %>"
maxlength="20" size="20" autofocus />
<input type="hidden" id="o" value="<%= (order==null)? "": order %>" />
</div>
<div class="col-sm-6 text-right">
<button data-toggle="modal" data-target="#modaladd" class="btn btn-sm btn-success">
<i class="material-icons" style="font-size:22px">person_add</i>
</button>
</div>
</div>
</div>
<div style="height:10px"></div>
<!-- Data list -->
<div class="container">
<div class="table-responsive">
<table class="table table-striped table-hover table-bordered table-condensed table-sm">
<thead>
<tr>
<th style="text-align:center">#</th>
<th style="text-align:center">Nombre usuario</th>
<th style="text-align:center">Region</th>
<th style="text-align:center">Acciones</th>
</tr>
</thead>
<tbody>
<c:forEach var="ciudad" items="${ciudades}">
<tr>
<td style="text-align:center"><c:out value="${ciudad.id}"/></td>
<td style="text-align:center"><c:out value="${ciudad.nombre}"/></td>
<td style="text-align:center"><c:out value="${ciudad.region}"/></td>
<td class="pl-5">
<a href="/admin/usuario/eliminar/${ciudad.id}/">
<button class="btn btn-sm btn-primary"><i class="material-icons"
style="font-size:16px">remove_circle</i></button>
</a>
<a href="javascript:leerDatos(${ciudad.id});">
<button class="btn btn-sm btn-warning"><i class="material-icons"
style="font-size:16px">border_color</i></button>
</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
<a href="#" id="axls" style="display:none;" donwload>a</a>
<!-- Modal 'add user' form-->
<div class="modal" id="modaladd">
<div class="modal-dialog">
<div class="modal-content">
<!-- Modal Header -->
<div class="modal-header bg-info text-white">
<h2 class="modal-title">Agregar nuevo usuario</h2>
</div>
<!-- Modal body -->
<form method="post" action="/admin/usuario/agregar">
<div class="modal-body">
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="nom">Nombre de usuario:</label></div>
<div class="col-sm-8">
<input type="text" class="form-control input-sm" name="nomusu" id="nom" maxlength="40"
required />
</div>
</div>
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="run">RUN:</label></div>
<div class="col-sm-8">
<input type="text" class="form-control input-sm" name="runusu" id="run" maxlength="40"
required />
</div>
</div>
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="cla">Nueva clave:</label></div>
<div class="col-sm-8">
<input type="password" class="form-control input-sm" name="cla1usu" id="cla"
maxlength="20" required />
</div>
</div>
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="cla2">Repita la clave:</label></div>
<div class="col-sm-8">
<input type="password" class="form-control input-sm" name="cla2usu" id="cla2"
maxlength="20" required />
</div>
</div>
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="com">Comentarios:</label></div>
<div class="col-sm-8">
<textarea class="form-control input-sm" name="comentusu" id="com" rows="3"
cols="80"></textarea>
</div>
</div>
</div>
<!-- Modal footer -->
<div class="modal-footer">
<input type="submit" class="btn btn-success" value="Agregar nuevo usuario" />
<button type="button" class="btn btn-danger" data-dismiss="modal">Cancelar</button>
</div>
</form>
</div>
</div>
</div>
<!-- Modal 'update user' form-->
<div class="modal" id="modalupdate">
<div class="modal-dialog">
<div class="modal-content">
<!-- Modal Header -->
<div class="modal-header bg-info text-white">
<h2 class="modal-title">Modificar usuario</h2>
</div>
<!-- Modal body -->
<form method="post" action="/admin/usuario/modificar">
<div class="modal-body">
<input type="hidden" name="uid" id="uid" value="" />
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="unom">Nombre de usuario:</label></div>
<div class="col-sm-8">
<input type="text" class="form-control input-sm" name="unomusu" id="unom" maxlength="40"
readonly />
</div>
</div>
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="urun">RUN:</label></div>
<div class="col-sm-8">
<input type="text" class="form-control input-sm" name="urunusu" id="urun" maxlength="40"
readonly />
</div>
</div>
<div class="row" style="margin-bottom:10px">
<div class="col-sm-4"><label for="ucom">Comentarios:</label></div>
<div class="col-sm-8">
<textarea class="form-control input-sm" name="ucomentusu" id="ucom" rows="3"
cols="80"></textarea>
</div>
</div>
</div>
<!-- Modal footer -->
<div class="modal-footer">
<input type="submit" class="btn btn-success" value="Modificar datos" />
<button type="button" class="btn btn-danger" data-dismiss="modal">Cancelar</button>
</div>
</form>
</div>
</div>
</div>
</body>
<script>
function ordenarDatos(campo) {
url = 'gestionUsuarios.jsp?o=' + campo + '&s=' + $('#s').val();
document.location.href = url;
return null;
}
/*function descargarXls()
{
url1 = '${pageContext.request.contextPath}/ExtraerXlsUsuarios.do';
$.ajax( {url: url1,
success: function(result)
{
//$('#axls').attr('href', "../" + result);
location.href = "../" + result; //$('#axls').attr('href');
} });
}*/
$('#s').keypress(function (event) {
if (event.which == 13) {
document.location.href = 'gestionUsuarios.jsp?o=' + $('#o').val() + '&s=' + $('#s').val();
return null;
}
}
);
function leerDatos(id) {
$.post("/admin/usuario/ver/" + id + "/", function (obj) {
obj = JSON.parse(obj);
$('#uid').val(obj.id);
$('#unom').val(obj.nom);
$('#urun').val(obj.run);
$('#ucom').val(obj.com);
$('#modalupdate').modal('show');
obj = null;
});
}
/*$().ready( function()
{
v = $('#s').val();
$('#s').val('');
$('#s').val(v);
});*/
</script>
</html>我将列表放入模型右侧，如您在 chrome 开发人员工具中所见：
我看不到这里的问题，我需要帮助来找出表格没有被填满的原因。
【问题讨论】：
-
检查this 帖子可能会有所帮助。
-
尝试使用指令
-
@PradeepMaurya 我做了，但问题没有解决
标签： spring-boot spring-mvc jsp