JS中的代码如下：
function checkForm(){
var flag=true;
var project = document.getElementById("project");
var reference = document.getElementById("reference");
if(project.value==0){
reference.innerHTML="*请选择参考位置";
project.focus();
flag=false;
}
var req = document.getElementById("req");
if(req.value == 0){
req.focus();
reference.innerHTML="*请选择参考位置";
flag=false;
}
var unit = document.getElementById("unit");
if(unit.value == 0){
unit.focus();
reference.innerHTML="*请选择参考位置";
flag=false;
}
var func = document.getElementById("func");
if(func.value == 0){
func.focus();
reference.innerHTML="*请选择参考位置";
flag=false;
}
var title = document.getElementById("title");
var name = document.getElementById("name");
if(name.value == ""||name.value == null){
name.focus();
title.innerHTML="*请填写任务标题";
flag=false;
}
var startTime = document.getElementById("startTime");
var time1 = document.getElementById("time1");
if(startTime.value == ""||startTime.value == null){
startTime.focus();
time1.innerHTML="*请选择开始时间";
flag=false;
}
var endTime = document.getElementById("endTime");
var time2 = document.getElementById("time2");
if(endTime.value == ""||endTime.value == null){
endTime.focus();
time2.innerHTML="*请选择结束时间";
flag=false;
}
var empId = document.getElementById("empId");
var taker = document.getElementById("taker");
if(empId.value ==0){
empId.focus();
taker.innerHTML="*请选择执行者";
flag=false;
}
var priority = document.getElementById("priority");
var super0 = document.getElementById("super0");
if(priority.value ==0){
priority.focus();
super0.innerHTML="*请选择优先级";
flag=false;
}
var detailedDescribe = document.getElementById("detailedDescribe");
var dDescribe = document.getElementById("dDescribe");
if(detailedDescribe.value ==0){
detailedDescribe.focus();
dDescribe.innerHTML="*请填写详细描述";
flag=false;
}
return flag;
}
function checkForm2(){
var reference = document.getElementById("reference");
var func = document.getElementById("func");
if(func.value != 0){
reference.innerHTML="*";
}
var title = document.getElementById("title");
var name = document.getElementById("name");
if(name.value != ""||name.value != null){
title.innerHTML="*";
}
var startTime = document.getElementById("startTime");
var time1 = document.getElementById("time1");
if(startTime.value != ""||startTime.value != null){
time1.innerHTML="*";
}
var endTime = document.getElementById("endTime");
var time2 = document.getElementById("time2");
if(endTime.value != ""||endTime.value != null){
time2.innerHTML="*";
}
var empId = document.getElementById("empId");
var taker = document.getElementById("taker");
if(empId.value !=0){
taker.innerHTML="*";
}
var priority = document.getElementById("priority");
var super0 = document.getElementById("super0");
if(priority.value !=0){
super0.innerHTML="*";
}
var detailedDescribe = document.getElementById("detailedDescribe");
var dDescribe = document.getElementById("dDescribe");
if(detailedDescribe.value !=0){
dDescribe.innerHTML="*";
}
}
form中的代码：
<form name="form2" id="form2" action="missionServlet?method=toAdd2" method="post" onsubmit="return checkForm()">
<table width="98%" border="0" cellpadding="2" cellspacing="1"
bgcolor="#D1DDAA" align="center" style="margin-top:8px">
<tr bgcolor="#E7E7E7">
<td height="24" colspan="2" background="skin/images/tbg.gif"> 创建任务
<span style="color: red; font-weight: bold;">[以下带*的均为必填项]</span></td>
</tr>
<tr>
<td align="right" bgcolor="#FAFAF1" height="22">参考位置：</td>
<td align='left' bgcolor="#FFFFFF"
onMouseMove="javascript:this.bgColor='#FCFDEE';"
onMouseOut="javascript:this.bgColor='#FFFFFF';" height="22">
<select style="width: 200px;" id="project" name="project" onchange="change(this);" >
<option value=0>请选择</option>
<c:forEach items="${ps }" var="p">
<option value=${p.id }>${p.name }</option>
</c:forEach>
</select>
<span style="color: red;">*</span>
-
<select id="req" name="req" onchange="change2(this);" onblur="checkForm2();">
<option value=0>请选择</option>
</select>
<span style="color: red;">*</span>
-
<select id="unit" name="unit" onchange="change3(this);" onblur="checkForm2();">
<option value=0>请选择</option>
</select>
<span style="color: red;">*</span>
-
<select id="func" name="func" onblur="checkForm2();">
<option value=0>请选择</option>
</select>
<span id="reference" style="color: red;">*</span>
</td>
</tr>
<tr>
<td align="right" bgcolor="#FAFAF1" height="22">任务标题：</td>
<td align='left' bgcolor="#FFFFFF"
onMouseMove="javascript:this.bgColor='#FCFDEE';"
onMouseOut="javascript:this.bgColor='#FFFFFF';" height="22"><input
name="name" id="name" onblur="checkForm2();"/> <span id="title" style="color: red;">*</span></td>
</tr>
<tr >
<td align="right" bgcolor="#FAFAF1" height="22">开始时间：</td>
<td align='left' bgcolor="#FFFFFF" onMouseMove="javascript:this.bgColor='#FCFDEE';" onMouseOut="javascript:this.bgColor='#FFFFFF';" height="22">
<input type="text" id="startTime" name="startTime" onblur="checkForm2();"/>
<span id="time1" style="color: red;">*</span>
</td>
</tr>
<tr >
<td align="right" bgcolor="#FAFAF1" height="22">结束时间：</td>
<td align='left' bgcolor="#FFFFFF" onMouseMove="javascript:this.bgColor='#FCFDEE';" onMouseOut="javascript:this.bgColor='#FFFFFF';" height="22">
<input type="text" id="endTime" name="endTime" onblur="checkForm2();"/>
<span id="time2" style="color: red;">*</span>
</td>
</tr>
<tr>
<td align="right" bgcolor="#FAFAF1" height="22">执行者：</td>
<td align='left' bgcolor="#FFFFFF"
onMouseMove="javascript:this.bgColor='#FCFDEE';"
onMouseOut="javascript:this.bgColor='#FFFFFF';" height="22"><select
name="empId" id="empId" onblur="checkForm2();">
<option value=0>--请选择--</option>
<c:forEach items="${ers }" var="er">
<c:if test="${er.role.id>1&&er.role.id<6 }">
<option value="${er.emp.id }">${er.emp.name }--${er.role.rolename }</option>
</c:if>
</c:forEach>
</select>
<span id="taker" style="color: red;">*</span>
</td>
</tr>
<tr>
<td align="right" bgcolor="#FAFAF1" height="22">优先级：</td>
<td align='left' bgcolor="#FFFFFF"
onMouseMove="javascript:this.bgColor='#FCFDEE';"
onMouseOut="javascript:this.bgColor='#FFFFFF';" height="22"><select
name="priority" id="priority" onblur="checkForm2();">
<option value="0">--请选择--</option>
<option value="1">紧急</option>
<option value="2">高</option>
<option value="3">中</option>
<option value="4">低</option>
</select>
<span id="super0" style="color: red;">*</span>
</td>
</tr>
<tr>
<td align="right" bgcolor="#FAFAF1">详细说明：</td>
<td colspan=3 align='left' bgcolor="#FFFFFF"
onMouseMove="javascript:this.bgColor='#FCFDEE';"
onMouseOut="javascript:this.bgColor='#FFFFFF';">
<span id="dDescribe" style="color: red;">*</span>
<textarea class="ckeditor" name="detailedDescribe" id="detailedDescribe" rows=10 cols=120 onblur="checkForm2();"></textarea>
</td>
</tr>
<tr bgcolor="#FAFAF1">
<td height="28" colspan=4 align=center>
<input type="submit" value="创建"/>
</td>
</tr>
</table>
</form>
运行结果是：
任务标题+开始时间+结束时间在formCheck()中的功能消失了（即form表单什么都不填写的话，除这三个之外的都会显示提示语）
跪谢：新人，我会多多攒币回报你们的。。。。。现在很穷，请大家担待。。。。。。。。。。。
