2020年11月27日Java学习日记
index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>人口普查系统</title>
<style type="text/css">
a{font-size:30px}
</style>
</head>
<body><%
Object message =request.getAttribute("message");
if(message!=null&&!"".equals(message)){
%>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>");
</script>
<%}%>
<div align="center" font-size="30px">
<h1>人口普查系统</h1>
<div>
<a href="insert.jsp">信息登记</a>
</div>
<div>
<a href="servlet?method=list">信息修改</a>
</div>
<div>
<a href="servlet?method=list">信息删除</a>
</div>
<div>
<a href="servlet?method=list">浏览信息</a>
</div>
<div>
<a href="servlet?method=list">查询信息</a>
</div>
</div>
</body>
</html>
insert.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>添加</title>
</head>
<body>
<%
Object message = request.getAttribute("message");
if (message != null && !"".equals(message)) {
%>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>"); //弹出对话框
</script>
<%
}
%>
<div align="center">
<h1>添加信息</h1>
<a href="index.jsp">返回主页</a>
<form action="servlet?method=insert" method="post">
<table id="addTable" class="table table-bordered ">
<tr class="text-center row">
<tr>
<td class="col-sm-2">
id
</td>
<td class="col-sm-4">
<input type="text" class="form-control" name="id" id="id" >
</td>
<tr class="text-center row">
<td class="col-sm-2">
户别
</td>
<td class="col-sm-4">
<input type="radio" name="hubie" id="hubie" value="家庭户">家庭户
<input type="radio" name="hubie" id="hubie" value="集体户">集体户
</td></tr>
<tr>
<td class="col-sm-2">
住房类型
</td>
<td class="col-sm-4">
<input type="radio" name="livetype" id="livetype" value="家庭住宅">家庭住宅
<input type="radio" name="livetype" id="livetype" value="集体住所">集体住所
</td><tr><td> </td><td>
<input type="radio" name="livetype" id="livetype" value="工作地住所">工作地住所
<input type="radio" name="livetype" id="livetype" value="其他住宅">其他住宅
<input type="radio" name="livetype" id="livetype" value="无住宅">无住宅
</td>
</tr>
<tr class="text-center row">
<td class="col-sm-2">
本户现住房面积:
</td>
<td class="col-sm-4">
<input type="text" class="form-control" name="area" id="area" placeholder="请输入数字(平方米)">
</td>
</tr>
<tr>
<td class="col-sm-2 ">
本户现住房间数:
</td>
<td class="col-sm-4">
<input type="text" class="form-control" name="roomnum" id="roomnum" placeholder="请输入数字(间)">
</td>
</tr>
<tr class="text-center row">
<td class="col-sm-2">
户主姓名
</td>
<td class="col-sm-4">
<input type="text" class="form-control" name="name" id="name" placeholder="请输入户主姓名">
</td>
</tr>
<tr class="text-center row">
<td class="col-sm-2 ">
身份证号码
</td>
<td class="col-sm-4">
<input type="text" class="form-control" name="idcard" id="idcard" placeholder="请输入身份证号码">
</td>
</tr>
<tr class="text-center row">
<td class="col-sm-2">
性别
</td>
<td class="col-sm-4">
<input type="radio" name="sex" id="sex" value="男">男
<input type="radio" name="sex" id="sex" value="女">女
</td>
</tr>
<tr class="text-center row">
<td class="col-sm-2">
民族
</td>
<td class="col-sm-4">
<input type="text" class="form-control" name="nation" id="nation" placeholder="民族">
</td>
</tr>
<tr class="text-center row">
<td>
受教育程度
</td>
<td colspan="3">
<select class="form-control" id="education" name="education">
<option value="研究生">研究生</option>
<option value="大学本科">大学本科</option>
<option value="大学专科">大学专科</option>
<option value="高中">高中</option>
<option value="初中">初中</option>
<option value="小学">小学</option>
<option value="未上过学">未上过学</option>
</select>
</td>
</tr>
</table>
<input type="submit" value="添加" onclick= "return check()" />
</form>
</div>
</body>
<script type="text/javascript">
function check() //封装一个<body>中做成点击事件的函数
{
if(document.getElementById('area').value=='') {
alert('现住房面积不能为空！');
document.getElementById('area').focus();
return false;
}
else if(document.getElementById('area').value%1!=0){
alert('住房面积不是整数！');
return false;
}
if(document.getElementById('roomnum').value=='') {
alert('现住房间数不能为空！');
document.getElementById('roomnum').focus();
return false;
}
else if(document.getElementById('roomnum').value%1!=0){
alert('现住房间数不是整数！');
return false;
}
if(document.getElementById('name').value=='') {
alert('户主姓名不能为空！');
document.getElementById('name').focus();
return false;
}
if(document.getElementById('idcard').value.length!=18) {
alert('身份证号码位数错误！');
document.getElementById('idcard').focus();
return false;
}
if(document.getElementById('nation').value=='') {
alert('民族不能为空！');
document.getElementById('nation').focus();
return false;
}
}
</script>
</html>
