📄 insert.jsp
字号:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page language="java" import="java.util.*"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<form name="form1">
<table>
<tr>
<td>id</td>
<td><input type="text" name="id" value=""/></td>
</tr>
<tr>
<td>name</td>
<td><input type="text" name="name" value=""/></td>
</tr>
<tr>
<td>leveltype</td>
<td><input type="text" name="leveltype" value=""/></td>
</tr>
<tr>
<td>parentid</td>
<td><input type="text" name="parentid" value=""/></td>
</tr>
<tr>
<td></td>
<td><input type="submit" name="submit" value="提交" onClick="insert()"/></td>
</table>
</form>
<table>
</tr>
<td>不刷新页面提交到数据库</td>
</tr>
</table>
</body>
</html>
<script language="JavaScript" type="text/javascript">
<!--
function insert(){
//建立跨浏览器的XMLHttpRequest对象
var xmlhttp;
try{
xmlhttp= new ActiveXObject('Msxml2.XMLHTTP');
}catch(e){
try{
xmlhttp= new ActiveXObject('Microsoft.XMLHTTP');
}catch(e){
try{
xmlhttp= new XMLHttpRequest();
}catch(e){}
}
}
xmlhttp.onreadystatechange=function(){
if(xmlhttp.readyState==4){
if(xmlhttp.status==200){
cache[document.forms.form1.select1.selectedIndex]=xmlhttp.responseText;
//获取成功后重新调用getLevel2，将数据填充到下拉框，如果直接在这里写会造成代码重复
getLevel2();
}else{
alert("网络失败。");
}
}
}
//创建请求
xmlhttp.open("post","insert.do");
xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
var id = document.form1.id.value;
var name = document.form1.name.value;
var leveltype = document.form1.leveltype.value;
var parentid = document.form1.parentid.value;
var body = "id="+id+"&name="+name+"&leveltype="+leveltype+"&parentid="+parentid+"";
xmlhttp.send(body);
//必须在这里返回，等待回调
return;
}
//-->
</script>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -