JS技巧

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Javajavascriptjsp技巧语言

[html] view plaincopyprint?

1.文本框焦点问题
onBlur:当失去输入焦点后产生该事件
onFocus:当输入获得焦点后，产生该文件
Onchange:当文字值改变时，产生该事件
Onselect:当文字加亮后，产生该文件
<inputtype="text"value="mm"onfocus="if(value=='mm) {value=''}"onblur="if
(value=='') {value='mm'}">点击时文字消失，失去焦点时文字再出现
2.网页按钮的特殊颜色
<input type=buttonname="Submit1"value="郭强"size=10class=s02
style="background-color:rgb(235,207,22)">
3.鼠标移入移出时颜色变化
<inputtype="submit"value="找吧"name="B1"onMouseOut=this.style.color="blue"
onMouseOver=this.style.color="red"class="button">
4.平面按钮
<input type=submitvalue=订阅 style="border:1px solid :#666666; height:17px; width:25pt; font-size:9pt;
BACKGROUND-COLOR: #E8E8FF; color:#666666" name="submit">
5.按钮颜色变化
<inputtype=textname="nick"style="border:1px solid #666666; font-size:9pt; height:17px;
BACKGROUND-COLOR: #F4F4FF; color:#ff6600" size="15" maxlength="16">
6.平面输入框
<input type="text"name="T1"size="20"style="border-style: solid; border-width: 1">
7.使窗口变成指定的大小
<script>
window.resizeTo(300,283);
</script>
8.使文字上下滚动
<marquee direction=upscrollamount=1scrolldelay=100onmouseover='this.stop()'onmouseout='this.start()'
height=60>
<tr>
<td>
共和国
</table>
</marquee>
9.状态栏显示该页状态
<baseonmouseover="window.status='网站建设 http://www.webmake.cn/' ;return true">
10.可以点击文字实现radio选项的选定
<inputtype="radio"name="regtype"value="A03"id="A03">
<label for="A03"> 情侣 : 一次注册两个帐户</label>
11.可以在文字域的font写onclick事件
12.打印</a>打印网页
<ahref='javascript:window.print ()'>
13.线型输入框
<input type="text"name="key"size="12"value="关键字"onFocus=this.select()onMouseOver=this.focus()
class="line">
14.显示文档最后修改日期
<scriptlanguage=javascript>
function hi(str)
{
document.write(document.lastModified)
alert("hi"+str+"!")
}
</script>
15.可以在鼠标移到文字上时就触发事件
<html>
<head>
<scriptlanguage="LiveScript">
<!-- Hiding
function hello() {
alert("哈罗!");
}
</script>
</head>
<body>
<ahref=""onMouseOver="hello()">link</a>
</body>
</html>
16.可以根据网页上的选项来确定页面颜色
<HTML>
<HEAD>
<TITLE>background.html</TITLE>
</HEAD>
<SCRIPT>
<!--
function bgChange(selObj) {
newColor = selObj.options[selObj.selectedIndex].text;
document.bgColor = newColor;
selObj.selectedIndex = -1;
}
//-->
</SCRIPT>
<BODYSTYLE="font-family:Arial">
<B>Changing Background Colors</B>
<FORM>
<SELECTSIZE="8"onChange="bgChange(this);">
<OPTION>Red
<OPTION>Orange
<OPTION>Yellow
<OPTION>Green
<OPTION>Blue
<OPTION>Indigo
<OPTION>Violet
<OPTION>White
<OPTION>pink
</SELECT>
</FORM>
</BODY>
</HTML>
17.将按钮的特征改变
<styletype="text/css">
<!--
.style1 { font-size: 12px; background: #CCCCFF; border-width: thin thin thin thin; border-color: #CCCCFF
#CCCCCC #CCCCCC #CCCCFF}
.style2 { font-size: 12px; font-weight: bold; background: #CCFFCC; border-width: thin medium medium thin;
border-color: #CCFF99 #999999 #999999 #CCFF99}
-->
</style>
　　本例按钮的代码如下：
<input type="submit"name="Submit"value="提交"onmouseover="this.className='style2'"
onmouseout="this.className='style1'"class="style1">
18.改变按钮的图片.
<styletype="text/css">
<!--
.style3 { font-size: 12px; background: url(image/buttonbg1.gif); border: 0px; width: 60px; height: 22px}
.style4 { font-size: 12px; font-weight: bold; background: url(image/buttonbg2.gif); border: 0px 0; width:
60px; height: 22px}
-->
</style>
　　本例的按钮代码如下：
<input type="submit"name="Submit2"value="提交"onmouseover="this.className='style4'"
onmouseout="this.className='style3'"class="style3">
19.打印页面
<divalign="center"><aclass=contenthref="javascript:doPrint();">打印本稿</a></div>
20.可以直接写html语言
document.write("");
21.改变下拉框的颜色
<selectname="classid"
onChange="changelocation(document.myform.classid.options[document.myform.classid.selectedIndex].value)"
size="1"style="color:#008080;font-size: 9pt">
22.转至目标URL
window.location="http://guoguo"
23.传递该object的form
UpdateSN('guoqiang99267',this.form)
function UpdateSN(strValue,strForm)
{
strForm.SignInName.value = strValue;
return false;
}
24.文字标签
<labelfor="AltName4"><inputname="AltName"type="RADIO"tabindex="931"id="AltName4"
>guoqiang99859</label>
25.layer2为组件的ID，可以控制组件是否可见
document.all.item('Layer2').style.display ="block";
document.all.item('Layer2').style.display ="none";//
26.将页面加入favorite中
<script language=javascript>
<!--
function Addme(){
url = "http://your.site.address"; //你自己的主页地址
title = "Your Site Name"; //你自己的主页名称
window.external.AddFavorite(url,title);
-->
</script>//
27.过10秒自动关闭页面
< scriptlanguage="JavaScript">
function closeit() {
setTimeout("self.close()"，10000)
}
< /script >
28.可以比较字符的大小
char=post.charAt(i);
if(!('0'<=char&&char<='9'))
29.将字符转化为数字
month = parseInt(char)
30.点击value非空的选项时转向指定连接
<select onchange='if(this.value!="")window.open(this.value)'class="textinput">
<option selected>主办单位</option>
<option>-----------------</option>
<optionvalue="http://www.bjd.com.cn/">北京日报</option>
<option value="http://www.ben.com.cn/">北京晚报</option>
</select>
31.改变背景颜色
<td width=* class=dpbgColor=#FAFBFC onmouseover="this.bgColor='#FFFFFF';"
onmouseout="this.bgColor='#FAFBFC';">
32.改变文字输入框的背景颜色
<style>
.input2 {background-image: url('../images/inputbg.gif'); font-size: 12px; background-color:
#D0DABB;border-top-width:1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
</style>
<input name=contenttype=textsize="47"class="input2"maxlength="50">
33.改变水平线的特征
<hrsize="0" noshadecolor="#C0C0C0">
34.传递参数的方式
<a href="vote.asp?CurPage=8&id=3488">8</a>
35.页内跳转
<ahref="#1">1</a>
<a href="#2">2</a>
<ahref="#3">3</a>
<a href="#4">4</a>
<ahref="#5">5</a>
<a href="#6">6</a>
<ahref="#7">7</a>
<a name="1">dfdf</a>
<aname="2">dfdf</a>//
36.两个按键一起按下
if(event.ctrlKey && window.event.keyCode==13)//
37.刷新页面
javascript:this.location.reload()//
38.将网页的按钮使能
<SCRIPT LANGUAGE="JavaScript">
function haha()
{
for(var i=0;i<document.form1.elements.length;i++)
{
if(document.form1.elements[i].name.indexOf("bb")!=-1)
document.form1.elements[i].disabled=!document.form1.elements[i].disabled;
}
}
</SCRIPT>
<BODY><formname=form1>
<INPUTTYPE="button"NAME="aa "value=cindyonclick=haha()>
<INPUT TYPE="button"NAME="bb "value=guoguo>
<INPUTTYPE="button"NAME="bb "value=guoguo>
39.文字移动
<marquee scrollamount=3onmouseover=this.stop();onmouseout=this.start();>
40.双击网页自动跑
<SCRIPTLANGUAGE="JavaScript">
var currentpos,timer;
function initialize()
{
timer=setInterval("scrollwindow()",1);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos != document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize
</SCRIPT>//
41.后退
<INPUTTYPE="button"onclick=window.history.back()value=back>
42.前进
<INPUT TYPE="button"onclick=window.history.forward()value=forward>
43.刷新
<INPUTTYPE="button"onclick=document.location.reload()value=reload>
44.转向指定网页
document.location="http://ww"或者document.location.assign("http://guoguo.com")
45.在网页上显示实时时间
<SCRIPTLANGUAGE="JavaScript">
var clock_id;
window.onload=function()
{
clock_id=setInterval("document.form1.txtclock.value=(new Date);",1000)
}
</SCRIPT>//
46.可以下载文件
document.location.href="目标文件"//
47.连接数据库
import java.sql.*;
String myDBDriver="sun.jdbc.odbc.JdbcOdbcDriver";
Class.forName(myDBDriver);
Connection conn=DriverManager.getConnection("jdbc:odbc:firm","username","password");
Statement stmt=conn.createStatement();
ResultSet rs=stmt.executeQuery(sql);
rs.getString("column1");//
48.可以直接在页面“div”内写下所需内容
<INPUT TYPE="button"onclick="a1.innerHTML='<font color=red>*</font>'">
<divid=a1></div>//
49.可以改变页面上的连接的格式，使其为双线
<style>
A:link {text-decoration: none; color:#0000FF; font-family: 宋体}
A:visited {text-decoration: none; color: #0000FF; font-family: 宋体}
A:hover {text-decoration: underline overline; color: FF0000}
</style>
<style>
A:link {text-decoration: none; color:#0000FF; font-family: 宋体}
A:visited {text-decoration: none; color: #0000FF; font-family: 宋体}
A:hover {text-decoration: underline overline line-through; color: FF0000}
TH{FONT-SIZE: 9pt}
TD{FONT-SIZE: 9pt}
body {SCROLLBAR-FACE-COLOR: #A9D46D; SCROLLBAR-HIGHLIGHT-COLOR: #e7e7e7;SCROLLBAR-SHADOW-COLOR:#e7e7e7;
SCROLLBAR-3DLIGHT-COLOR: #000000; LINE-HEIGHT: 15pt; SCROLLBAR-ARROW-COLOR: #ffffff;
SCROLLBAR-TRACK-COLOR: #e7e7e7;}
INPUT{BORDER-TOP-WIDTH: 1px; PADDING-RIGHT: 1px; PADDING-LEFT: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE:
9pt; BORDER-LEFT-COLOR: #cccccc;
BORDER-BOTTOM-WIDTH: 1px; BORDER-BOTTOM-COLOR: #cccccc; PADDING-BOTTOM: 1px; BORDER-TOP-COLOR: #cccccc;
PADDING-TOP: 1px; HEIGHT: 18px; BORDER-RIGHT-WIDTH: 1px; BORDER-RIGHT-COLOR: #cccccc}
DIV,form ,OPTION,P,TD,BR{FONT-FAMILY: 宋体; FONT-SIZE: 9pt}
textarea, select {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋体;
font-size: 9pt; font-style: bold;}
.text { font-family: "宋体"; font-size: 9pt; color: #003300; border: #006600 solid; border-width: 1px 1px
1px 1px}
</style>完整的css
50.新建frame
<a
href="javascript:newframe('http://www.163.net/help/a_little/index.html','http://www.163.net/help/a_little
/a_13.html')"><imgalt=帮助 border=0src="http://bjpic.163.net/images/mail/button-help.gif"></a>