生成短链(网址) ShortUrlLink

CREATE TABLE [dbo].[ShortUrl](
[Id] [int] IDENTITY(1,1) NOT NULL,
[LongUrl] [nvarchar](500) NOT NULL,
[BaseUri] [int] NOT NULL,
[ShortToken] [nvarchar](50) NOT NULL,
[Hits] [int] NOT NULL,
[Creator] [nvarchar](50) NULL,
[CreateTime] [datetime] NOT NULL,
[LastUpdateTime] [datetime] NULL,
[LastOperator] [nvarchar](50) NULL,
[Enable] [bit] NOT NULL,
[IsDelete] [bit] NOT NULL
) ON [PRIMARY]

GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'长链地址' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'LongUrl'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'短链域名对应数值' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'BaseUri'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'短链末尾编码串' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'ShortToken'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'url点击量' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'Hits'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'创建人' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'Creator'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'创建时间' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'CreateTime'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'最近更新时间' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'LastUpdateTime'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'更新操作人' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'LastOperator'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'是否启用' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'Enable'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'是否删除' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrl', @level2type=N'COLUMN',@level2name=N'IsDelete'
GO

ALTER TABLE [dbo].[ShortUrl] ADD  CONSTRAINT [DF_ShortUrl_IsDelete]  DEFAULT ((0)) FOR [IsDelete]
GO

CREATE TABLE [dbo].[ShortUrlStat](
[Id] [int] IDENTITY(1,1) NOT NULL,
[UrlId] [int] NOT NULL,
[ShortUrl] [nvarchar](500) NOT NULL,
[UrlRefferer] [nvarchar](500) NOT NULL,
[UserAgent] [nvarchar](500) NOT NULL,
[UserHostAddress] [nvarchar](500) NOT NULL,
[UserLanguage] [nvarchar](100) NOT NULL,
[Browser] [nvarchar](200) NOT NULL,
[MajorVersion] [int] NOT NULL,
[IsMobile] [bit] NOT NULL,
[CreateTime] [datetime] NOT NULL
) ON [PRIMARY]

GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'状态记录所对应的长链的id' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'UrlId'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'短链地址' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'ShortUrl'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'获取Url链接当前客户端的主机部分' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'UrlRefferer'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'获取客户端完整的用户代理字符串' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'UserAgent'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'获取客户端ip的主机地址' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'UserHostAddress'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'获取客户端语言首选项' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'UserLanguage'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'获取浏览器请求标头中发送的浏览器字符串' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'Browser'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'获取浏览器主版本号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'MajorVersion'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'获取浏览器是否已标识为移动设备' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'IsMobile'
GO

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'创建时间' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'ShortUrlStat', @level2type=N'COLUMN',@level2name=N'CreateTime'
GO

@model IEnumerable<ShortUrl.ShortUrlModels>
@{
ViewBag.Title = "Index";
}

<h2>Index</h2>
<a href="@Url.Action("AddDetail", "ShortUrl")">新增</a>
@if (Model != null && Model.Any())
{
<table>
<thead>
<tr>
<th style="text-align: center">
序号
</th>
<th style="text-align: center">短链</th>
</tr>
</thead>
<tbody>
@foreach (var item in Model)
{
<tr>
<td>@item.Id</td>
<td><a href="@Url.Action("ReirectToken", "ShortUrl", new { id =item.Id})" target="_blank">@item.BaseShortUrl</a></td>
</tr>
}
</tbody>
</table>
}

@using ShortUrl
@model ShortUrl.ShortUrlModels
@{
ViewBag.Title = "AddShortUrl";
}
<script src="@Url.Content("~/Scripts/jquery-1.8.2.min.js")"></script>
<h2>AddShortUrl</h2>

<table style="width: 99%; margin: 5px auto;">
<tbody>
<tr>
<td>长链</td>
<td>
<input type="text" value="@Model.LongUrl" id="longurl"/>
</td>
</tr>
<tr>
<td>短网址后缀</td>
<td>
@Html.DropDownListFor(m => m.BaseUri, new KvSelectList(Model.ShortUrl))
</td>
</tr>
<tr>
<td>
<input type="button" value="保存" class="sBtn" id="btnSave" style="margin-left: 45%"/>
</td>
</tr>
</tbody>
</table>

<script type="text/javascript">
function necessaryinput() {
//if ($("#longurl").val() == '' || $("#longurl").val() == undefined || $("#longurl").val().match(/(http[s]?|ftp):\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/) == null) {
//    alert("请输入合法的长链地址");
//    return false;
//}
if ($("#longurl").val() == '' || $("#longurl").val() == undefined) {
alert("请输入长链地址");
return false;
}
return true;
}
var model = {};
$("#btnSave").click(function () {
model.LongUrl = $.trim($("#longurl").val());
model.BaseUri = $.trim($("#BaseUri").val());

if (confirm("你确定保存吗？")) {
if (necessaryinput()) {
$.ajax({
url: '@Url.Action("Add", "ShortUrl")',
type: 'post',
dataType: 'json',
contentType: 'application/json',
data: JSON.stringify(model),
success: function (result) {
if (result.DoFlag) {
alert(result.DoResult);
window.location.href = '@Url.Action("Index", "ShortUrl")';
} else {
alert(result.DoResult);
}
}
});
}
}

})
</script>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Mvc;
using ShortUrl.Models;
using ShortUrlDbEntity;
using ShortUrlUtility;

namespace ShortUrl.Controllers
{
public class ShortUrlController : Controller
{
//
// GET: /ShortUrl/
MVCDemoEntities db = new MVCDemoEntities();
public ActionResult Index()
{
List<ShortUrlModels> shortUrlList = new List<ShortUrlModels>();
shortUrlList.AddRange(db.ShortUrl.OrderByDescending(x => x.Hits).ThenByDescending(x => x.LastUpdateTime).Select(t => new ShortUrlModels()
{
Id=t.Id,
LongUrl = t.LongUrl,
BaseUri = t.BaseUri,
ShortToken = t.ShortToken,
Hits = t.Hits,
CreateTime = t.CreateTime,

}));
return View(shortUrlList);
}

//短链跳转
public ActionResult ReirectToken(int id)
{
if (id == 0)
return RedirectToAction("UrlNotFound", "ShortUrl");
else
{
var shortUrlRecord = db.ShortUrl.FirstOrDefault(t => t.Id == id);
if (shortUrlRecord == null)
return RedirectToAction("UrlNotFound", "ShortUrl");
else
{
ShortUrlModels shortUrlModel = new ShortUrlModels();
shortUrlModel = Mapper.GetMapper.Map<ShortUrlDbEntity.ShortUrl, ShortUrlModels>(shortUrlRecord);

ShortUrlStatModels stats = new ShortUrlStatModels(Request);
stats.UrlId = id;
stats.ShortUrl = shortUrlModel.BaseShortUrl;
stats.CreateTime = DateTime.Now;
var dbstats = Mapper.GetMapper.Map<ShortUrlStatModels, ShortUrlStat>(stats);
db.ShortUrlStat.Add(dbstats);
db.SaveChanges();
shortUrlRecord.Hits++;
shortUrlRecord.LastUpdateTime = DateTime.Now;
db.SaveChanges();

return Redirect(shortUrlModel.LongUrl);
}
}
}

public ActionResult UrlNotFound()
{
return View();
}

public ActionResult AddDetail(ShortUrlModels model)
{
ShortUrlModels shortmodels=new ShortUrlModels();
return View("AddDetail", shortmodels);
}

//添加url model.LongUrl = HttpUtility.UrlDecode(model.LongUrl) ?? "";

public JsonResult Add(ShortUrlModels model) { try {
　　　　　　　　　　　　
if (string.IsNullOrEmpty(model.LongUrl))
return Json(new { DoResult = "请输入Url地址" }, JsonRequestBehavior.AllowGet);
else
{
if (CheckLongUrlExists(model.LongUrl))
{
if (!HasHttPProtocol(model.LongUrl))
model.LongUrl = "http://" + model.LongUrl;

var existingUrl = db.ShortUrl.FirstOrDefault(u => Equals(u.LongUrl.ToLower(), model.LongUrl.ToLower()));
if (existingUrl == null)
{
ShortUrlModels shortUrl = new ShortUrlModels()
{
LongUrl = model.LongUrl,
BaseUri = model.BaseUri,
Hits = 0,
CreateTime = DateTime.Now,
LastUpdateTime = DateTime.Now,
Enable = true,
//ShortToken = GenerateRandomShortUrl()
//ShortToken = GenerateRandomString(6)
ShortToken = Guid.NewGuid().ToString().Substring(0, 6)
};

var shortUrlDb = Mapper.GetMapper.Map<ShortUrlModels, ShortUrlDbEntity.ShortUrl>(shortUrl);
db.ShortUrl.Add(shortUrlDb);
db.SaveChanges();
var result = new {DoResult = "新增成功", DoFlag = true};
return Json(result, JsonRequestBehavior.AllowGet);
}
else
{
var result = new {DoResult = "新增失败,Url已被添加过", DoFlag = false};
return Json(result, JsonRequestBehavior.AllowGet);
}
}
else
{
var result = new { DoResult = "Url地址不存在或已失效，请填写正确的地址", DoFlag = false };
return Json(result, JsonRequestBehavior.AllowGet);
}

}
}
catch (Exception ex)
{
return Json(new { DoResult = "新增异常", DoFlag = false }, JsonRequestBehavior.AllowGet);
}
}

//校验url开头带不带http
private bool HasHttPProtocol(string url)
{
url = url.ToLower();
if (url.Length > 5)
{
if (url.StartsWith(Constants.Protocol.HTTP) || url.StartsWith(Constants.Protocol.HTTPS))
return true;
else
return false;
}
else
return false;
}

//生成随机的6位串
public string GenerateRandomShortUrl()
{
string number = "";
int j;
Random random = new Random();

for (int i = 0; i < 6; i++)
{
j = random.Next(0, 35);
if (j < 10)
j += 48;
else
j += 87;
number = number + char.ConvertFromUtf32(j);
}
return number;
}

//生成随机的串（方法二）
public static string GenerateRandomString(short len = 11)
{
string rand = string.Empty;
while (rand.Length < len)
{
rand += GetCleanRandString();
}
return rand.Substring(0, len);
}
private static string GetCleanRandString()
{
char[] AmbiguousChars = { 'l', '1', '.' };
return string.Join(string.Empty, System.IO.Path.GetRandomFileName().ToLower().Split(AmbiguousChars));
}

//removed 'I', 'l', '1', 'O' and '0'
const string chars = "23456789abcdefghjkmnopqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ";
private readonly int theBase = chars.Length;
public string Encode(int value)
{
var hash = "";
if (value > 0)
{
var remainder = value % theBase;
hash += chars[remainder];
value = value / theBase;
}
hash += chars[value];
return hash;
}

public int Decode(string hash)
{
var result = 0;
for (var i = hash.Length - 1; i >= 0; i--)
{
result += (chars.IndexOf(hash[i]) * (int)(Math.Pow(theBase, i)));
}
return result;
}

//检测url有没有过期
public bool CheckLongUrlExists(string url)
{

if (!HasHttPProtocol(url))
url = Constants.Protocol.HTTP + url;
try
{
//Creating the HttpWebRequest
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
//Setting the Request method HEAD, you can also use GET too.
request.Method = "HEAD";
//Getting the Web Response.
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
//Returns TRUE if the Status code == 200
return (response.StatusCode == HttpStatusCode.OK);
}
catch
{
return false;
}
}

}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace ShortUrl
{

public class ShortUrlModels
{
public int Id { get; set; }
public string LongUrl { get; set; }
public int BaseUri { get; set; }
public string ShortToken { get; set; }
public int Hits { get; set; }
public string Creator { get; set; }
public DateTime CreateTime { get; set; }
public DateTime LastUpdateTime { get; set; }
public string LastOperator { get; set; }
public bool Enable { get; set; }
public bool IsDelete { get; set; }

private Dictionary<int, string> _shortUrl;
public Dictionary<int, string> ShortUrl {
get
{
_shortUrl= new Dictionary<int, string>()
{
{1,"t.cn"},
{2,"dwz.cn"},
{3,"qq.cn.hn"},
{4,"jd.cn.hn"},
{5,"tb.cn.hn"},
{6,"sina.lt"},
{7,"tinyurl.com"},
{8,"qr.net"},
{9,"goo.gl"},
{10,"is.gd"},
{11,"j.mp"},
{12,"bit.ly"}
};
return _shortUrl;
}
set { _shortUrl = value; }
}

public string BaseShortUrl
{
get { return "http://" + ShortUrl[BaseUri]+"/"+ShortToken; }
}

}

}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace ShortUrl.Models
{
public class ShortUrlStatModels
{
public int Id { get; set; }
//短链的Id
public int UrlId { get; set; }
//短链地址
public string ShortUrl { get; set; }
//获取Url链接当前客户端的主机部分
public string UrlRefferer { get; set; }
//获取客户端完整的用户代理字符串
public string UserAgent { get; set; }
//获取客户端ip的主机地址
public string UserHostAddress { get; set; }
//获取客户端语言首选项
public string UserLanguage { get; set; }
//获取浏览器请求标头中发送的浏览器字符串
public string Browser { get; set; }
//获取浏览器主版本号
public int MajorVersion { get; set; }
//获取浏览器是否已标识为移动设备
public bool IsMobile { get; set; }
//创建时间
public DateTime CreateTime { get; set; }

public ShortUrlStatModels(HttpRequestBase request)
{
if (string.IsNullOrEmpty(request.UrlReferrer.Host))
UrlRefferer = Constants.UNKNOWN;
else
UrlRefferer = request.UrlReferrer.Host;

if (string.IsNullOrEmpty(request.UserAgent))
UserAgent = Constants.UNKNOWN;
else
UserAgent = request.UserAgent;

if (string.IsNullOrEmpty(request.UserHostAddress))
UserHostAddress = Constants.UNKNOWN;
else
UserHostAddress = request.UserHostAddress;

if (string.IsNullOrEmpty(request.UserLanguages[0]))
UserLanguage = Constants.UNKNOWN;
else
UserLanguage = request.UserLanguages[0];

if (string.IsNullOrEmpty(request.Browser.Browser))
Browser = Constants.UNKNOWN;
else
Browser = request.Browser.Browser;

MajorVersion = request.Browser.MajorVersion;
IsMobile = request.Browser.IsMobileDevice;
}
}

}

/// <summary>
/// 短网址应用 ，例如QQ微博的url.cn   http://url.cn/2hytQx /// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static string[] ShortUrl(string url)
{
//可以自定义生成MD5加密字符传前的混合KEY
string key = "fooo_2016";
//要使用生成URL的字符
string[] chars = new string[]{
"a","b","c","d","e","f","g","h" ,"i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z",
"0","1","2","3","4","5","6","7","8","9",
"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T" ,"U","V","W","X","Y","Z"
};

//对传入网址进行MD5加密
string hex = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(key + url, "md5");
string[] resUrl = new string[4];
for (int i = 0; i < 4; i++)
{
//把加密字符按照8位一组16进制与0x3FFFFFFF进行位与运算
int hexint = 0x3FFFFFFF & Convert.ToInt32("0x" + hex.Substring(i * 8, 8), 16);
string outChars = string.Empty;
for (int j = 0; j < 6; j++)
{
//把得到的值与0x0000003D进行位与运算，取得字符数组chars索引
int index = 0x0000003D & hexint;
//把取得的字符相加
outChars += chars[index];
//每次循环按位右移5位
hexint = hexint >> 5;
}
//把字符串存入对应索引的输出数组
resUrl[i] = outChars;
}
return resUrl;
}
protected void Button1_Click(object sender, EventArgs e)
{
string[] Shor = ShortUrl(this.TextBox1.Text);

// Response.Write( );  //得到值fAVfui
//ShortUrl(http://www.jb51.net)[1];  //得到值3ayQry
//ShortUrl(http://www.jb51.net)[2];  //得到值UZzyUr
//ShortUrl(http://www.jb51.net)[3];  //得到值36rQZn

for (int i = 0; i < Shor.Length; i++)
{
Response.Write("<br/>" + i + ">>" + Shor[i]);
}
}

//  url + (url.EndsWith("?") ? "" : "?"

//string host = txtWebUrl.Text.Trim().TrimEnd('/').ToLower();
url = (host.StartsWith("http") || host.StartsWith("https"))? host:"http://" + host;