【发布时间】：2016-06-30 06:25:16
【问题描述】：
我有这个函数和 HTML 文件：
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<%@taglib uri="http://www.springframework.org/tags" prefix="spring"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" >
<link href="resources/css/stiylesheet1.css" rel="stylesheet" media="screen">
<link href="resources/css/printStyle.css" rel="stylesheet" media="print">
<title></title>
<script type="text/javascript">
window.onload = function () {
document.getElementById("cancelSubSubjectDialog").addEventListener('click', function(e) {
e.preventDefault();
document.getElementById("addSubSubjectDialog").close();
});
document.getElementById("saveSubSubjectDialog").addEventListener('click', function(e) {
e.preventDefault();
document.getElementById("addSubSubjectDialog").close();
});
document.getElementById("cancelSubjectDialog").addEventListener('click', function(e) {
e.preventDefault();
document.getElementById("addSubjectDialog").close();
});
document.getElementById("saveSubjectDialog").addEventListener('click', function(e) {
e.preventDefault();
document.getElementById("addSubjectDialog").close();
});
}
function updateSubSubject(param)
{
selectList();
document.getElementById("addSubSubjectDialog").showModal();
document.getElementById("Departments_Select").value=param;
}
function selectList(){
var selectDepartment=document.getElementById("Departments_Select");
var selectSubjects=document.getElementById("Subjects_Select");
var departmentsArray =getList("departments");
var subjectsArray= getList("subjects");
for (var i = 0; i < departmentsArray.length; i++) {
var departmentsOption = document.createElement("option");
departmentsOption.value = departmentsArray[i];
departmentsOption.text = departmentsArray[i];
departmentsOption.name = departmentsArray[i];
selectDepartment.appendChild(departmentsOption);
}
for (var i = 0; i < subjectsArray.length; i++) {
var subjectsOption = document.createElement("option");
subjectsOption.value = subjectsArray[i];
subjectsOption.text = subjectsArray[i];
subjectsOption.name = subjectsArray[i];
selectSubjects.appendChild(subjectsOption);
}
}
</script>
</head>
<body class="grad" style="font-family: 'Open Sans', sans-serif;">
<div class="header"
style="height: 100px; background-image: url(resources/images/streep_green.gif); margin: 0px;">
</div>
</div>
<div align="center" class="main"
style="background-image: url(resources/images/final_background.gif); background-repeat: repeat-x; margin: 0">
<div class="main"
style="background-image: url(resources/images/final_background.gif); background-repeat: repeat-x; margin: 0">
<div class="searchDiv" style="margin-top:5%;width:50%;overflow-y: scroll;overflow-x: hidden; height:500px" >
<form:form method="post" modelAttribute="sub_subjects">
<table dir="rtl" class="table" >
<th><label style="float:right;"><fmt:message key="subjectName" /></label></th>
<th><label style="float:right;"><fmt:message key="subSubjectName"/></label></th>
<th><label style="float:right;"><fmt:message key="department" /></label></th>
<c:forEach items="${sub_subjects.sub_subjects_list}" var="subsubject" varStatus="status" >
<tr id="tr">
<td ><form:hidden path="" name="sub_subjects_list[${status.index}].subjectObj.view" value="${subsubject.subjectObj.view}"/>${subsubject.subjectObj.view}</td>
<td ><form:hidden path="" name="sub_subjects_list[${status.index}].description" value="${subsubject.description}"/>${subsubject.description}</td>
<td ><form:hidden path="" name="sub_subjects_list[${status.index}].departmentObj.inCurrentLanguage" value="${subsubject.departmentObj.inCurrentLanguage}"/>${subsubject.departmentObj.inCurrentLanguage}</td>
<td >
<input id="editSubSubject" onClick="updateSubSubject("this is the text")" style="width:30%; height: 80%;" type="button"> </input>
</td>
</tr>
</c:forEach>
</table>
<br/>
</div>
</form:form>
</div>
</div>
</div>
</div>
</div>
<dialog id="addSubSubjectDialog" style="width:25%; height:35%;">
<div style="width:100%; hegit:20%;"><h2 style="font-size:100%;"><fmt:message key="add_sub_subject_dialog_title" /></h2></div>
<form action="addSubSubject" method="post" >
<div style="width:100%; hegit:20%;">
<h2 style="font-size:100%;"><input id="subSubjectName" name="subSubjectName" style="font-size:100%;text-align: right;"></input> <fmt:message key="insert_sub_subject_name" /> </h2>
</div>
<div style="width:100%; hegit:20%;">
<h2 style="font-size:100%; ">
<h2 style="float:right; width: 20%; font-size: 100%;">
<fmt:message key="select_subject" /> </h2>
<select id="Subjects_Select" name="Subjects_Select" class="form-control" style="width: 50%; text-align:right; float:right;"> </select>
</h2>
</div>
<div style="width:100%; hegit:20%; margin-top: 15%;">
<h2 style="font-size:100%;">
<h2 style="float:right; width: 20%; font-size: 100%;"> <fmt:message key="select_department" /></h2>
<select id="Departments_Select" name="Departments_Select" class="form-control" style="width: 50%;text-align:right;float:right; "> </select>
</h2>
</div>
<div style="height: 60px;margin-top:30% ;">
<fmt:message key="save" var="save"/>
<input type="submit" class="btn btn-success" style=" float: left; width:40%; "value="${save}"></input>
<button id="cancelSubSubjectDialog" class="btn btn-warning" style="float: right; width: 40%;" ><fmt:message key="cancel" /></button>
</form>
</div>
</dialog>
</body>
<script type="text/javascript">
function getList(listName){
var ListFromDB = [];
if(listName=="departments")
{
<c:forEach items="${departmentsList}" var="listItem">
ListFromDB.push( "<c:out value="${listItem.inCurrentLanguage}"/>" );
</c:forEach>
}
else if(listName=="subjects")
{
<c:forEach items="${subjectsList}" var="listItem">
ListFromDB.push( "<c:out value="${listItem.description}"/>" );
</c:forEach>
}
return ListFromDB;
}
</script>
</html>
问题是，当我运行这个 HTML 文件并单击“editSubject”按钮时，没有任何反应。 JavaScript 函数不会被调用。当我删除此函数的参数并像这样调用它时： onClick="updateSubject()" 它工作正常并打开对话框，
我的代码有什么问题？
【问题讨论】：
标签： javascript html spring model-view-controller