1.
var d = new Date();
var s = d.getFullYear() + "年" + (d.getMonth() + 1) + "月" + d.getDate() + "日"
s += " "+ d.getHours() +":"+ d.getMinutes();
alert(s);2.
<input onkeypress="return event.keyCode>=48&&event.keyCode<=57"
onpaste="return !clipboardData.getData('text').match(/\D/)"
ondragenter="return false" style="ime-mode:disabled">3.
<input onmouseover="this.select()">
var d = new Date();
var s = d.getFullYear() + "年" + (d.getMonth() + 1) + "月" + d.getDate() + "日"
s += " "+ d.getHours() +":"+ d.getMinutes();
alert(s);2.
<input onkeypress="return event.keyCode>=48&&event.keyCode<=57"
onpaste="return !clipboardData.getData('text').match(/\D/)"
ondragenter="return false" style="ime-mode:disabled">3.
<input onmouseover="this.select()">
還有一個問題:在asp.net中,session的用法?這個我真的非常漠湖?
http://www.blueidea.com/tech/program/2004/1856.asp
using System;
using System.IO;
using System.Text;
using System.Security.Cryptography;namespace Common
{
/// <summary>
/// 加密解密通用类库函数
///Copyright (C), 2004, kwklover(邝伟科)
///File name:Crypto.cs
///Author:邝伟科 Version:1.0 Date:2004年4月21日
///Description:可逆的通用对称加密解密函数集
/// </summary>
public class Crypto
{
private string _CryptText; //待加密和解密的字符序列变量
private byte[] _CryptKey; //加密解密私钥变量
private byte[] _CryptIV; //加密解密初始化向量IV变量 /// <summary>
/// 待加密或解密的字符序列
/// </summary>
public string CryptText
{
set
{
_CryptText=value;
}
get
{
return _CryptText;
}
} /// <summary>
/// 加密私钥
/// </summary>
public byte[] CryptKey
{
set
{
_CryptKey=value;
}
get
{
return _CryptKey;
}
} /// <summary>
/// 加密的初始化向量IV
/// </summary>
public byte[] CryptIV
{
set
{
_CryptIV=value;
}
get
{
return _CryptIV;
}
} public Crypto()
{
//
// TODO: 在此处添加构造函数逻辑
//
} /// <summary>
/// 加密函数,用于对字符串进行加密。需要提供相应的密钥和IV。
/// </summary>
/// <returns></returns>
public string Encrypt()
{
string strEnText=CryptText;
byte[] EnKey=CryptKey;
byte[] EnIV=CryptIV; byte[] inputByteArray=System.Text.Encoding.UTF8.GetBytes(strEnText); //此处也可以创建其他的解密类实例,但注意不同(长度)的加密类要求不同的密钥Key和初始化向量IV
RijndaelManaged RMCrypto = new RijndaelManaged(); MemoryStream ms=new MemoryStream();
CryptoStream cs=new CryptoStream(ms,RMCrypto.CreateEncryptor(EnKey,EnIV),CryptoStreamMode.Write);
cs.Write(inputByteArray,0,inputByteArray.Length);
cs.FlushFinalBlock(); return Convert.ToBase64String(ms.ToArray());
} /// <summary>
/// 解密函数,用于经过加密的字符序列进行加密。需要提供相应的密钥和IV。
/// </summary>
/// <returns></returns>
public string Decrypt()
{
string strDeText=CryptText;
byte[] DeKey=CryptKey;
byte[] DeIV=CryptIV; byte[] inputByteArray=Convert.FromBase64String(strDeText); //此处也可以创建其他的解密类实例,但注意不同的加密类要求不同(长度)的密钥Key和初始化向量IV
RijndaelManaged RMCrypto = new RijndaelManaged(); MemoryStream ms=new MemoryStream();
CryptoStream cs=new CryptoStream(ms,RMCrypto.CreateDecryptor(DeKey,DeIV),CryptoStreamMode.Write);
cs.Write(inputByteArray,0,inputByteArray.Length);
cs.FlushFinalBlock(); return System.Text.Encoding.UTF8.GetString(ms.ToArray());
}
}
}