用户体验之 登陆

Ajax登录设计

任务需求:做一个登录,拥有自动记住账号和密码的功能,要保证安全性,ajax,无刷新,良好的用户体验.(母板页)

这是前台页面,要求实现用户登录

首先我们分析,

用户需求:

1. 登录以后,登录框隐藏,并且欢迎登录的框显示,并且,左上角登录的按钮消失,安全退出显示.

2. 如果选择记住帐号和密码,下次登录直接登录,并且保证安全性.

实现过程:

首先,登录的时候发出ajax请求,用户验证登录,登录以后,保存当前用户名和密码到cookies中,注意,密码要用md5加密,md5是根据用户的机器配置生成的,并且返回登录状态和用户名的json数据

第二次登录的时候,检测用户状态,如果用户cookies保存的用户名和密码,根据用户名读取用户密码,并进行md5加密,检验两次密码是否相同,如果相同就返回json数据,登录状态true和用户名,如果cookies中只有用户名,那么返回登录状态为false和用户名

前台主要代码:

   1:  <%@ Master Language="C#" AutoEventWireup="true" CodeFile="Left_Top_Dwon.master.cs" 

   2:      Inherits="Left_Top_Dwon" %>

   3:   

   4:  "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

   5:  "http://www.w3.org/1999/xhtml"> 

   6:  "Head1" runat="server"> 

   7:      "Content-Type" content="text/html; charset=utf-8" /> 

   8:       

   9:      "css/top_foot.css" rel="stylesheet" type="text/css" /> 

  10:      "css/style.css" rel="stylesheet" type="text/css" />

  11:   

  12:      

  13:   

  14:      

  15:   

  16:      

  17:   

  18:      

 135:   

 136:      "head" runat="server"> 

 137:       

 138:   

 139:   

 140:      class="sheel"> 

 141:          class="header"> 

 142:              class="top_side"> 

 143:                  
 

 144:                      
"liLogin">"#">登录 | 
 

 145:                      
"#">注册 
 

 146:                      
|"#">个人信息 
 

 147:                      
|"#">我的收藏夹 
 

 148:                      
|"#">我的留言 
 

 149:                      
|"#">总站留言 
 

 150:                      
"liLogout">|"A2" href='<%=ResolveUrl("Member/Data/GetMemberInfo.ashx?method=MemberLogout")%>'>安全退出
 

 151:                   

 152:               

 153:              class="nav"> 

 154:                  
"sddm"> 

 155:                      
"#">首  页 
 

 156:                      
"#">工艺概况
 

 157:                      
"#" οnmοuseοver="mopen('m1')" οnmοuseοut="mclosetime()">工艺知识 

 158:                          "m1" οnmοuseοver="mcancelclosetime()" οnmοuseοut="mclosetime()"> 

 159:                              "#">大吴泥塑 "#">金漆木雕 "#">潮州刺绣 "#">潮州陶瓷 

 160:                           

 161:                       

 162:                      
"#">作品展览
 

 163:                      
"#">非遗作品
 

 164:                      
"#" οnmοuseοver="mopen('m2')" οnmοuseοut="mclosetime()">新闻中心 

 165:                          "m2" οnmοuseοver="mcancelclosetime()" οnmοuseοut="mclosetime()"> 

 166:                              "#">大吴泥塑 "#">金漆木雕 "#">潮州刺绣 "#">潮州陶瓷 

 167:                           

 168:                       

 169:                      
"#">大师风采
 

 170:                      
"#">企业展示
 

 171:                      
"#">联系我们
 

 172:                   

 173:               

 174:           

 175:          class="content"> 

 176:              class="left_side"> 

 177:                  
"fLogin"> 

 178:                  class="logo_bottom"> 

 179:                   

 180:                  class="login"> 

 181:                      
 

 182:                          用户登录 

 183:                      class="lg_table" id="divNotLogin"> 

 184:                          class="table1" width="198" cellpadding="0" cellspacing="0" border="0"> 
 185:                              
 186:                                  
 189:                                  
 192:                                  
 196:                              
 197:                              
 198:                                  
 201:                                  
 204:                              
 205:                          
 
  
"40" align="right">  
 187:                                      用户名 
 
 188:                                  
  
"108" align="center">  
 190:                                      "text" id="txtUserName" name="txtUserName" /> 
 
 191:                                  
  
"50" rowspan="2">  
 193:                                      "#" id="aLogin"> 
 
 194:                                          '<%=ResolveUrl("images/login.png")%>' alt="登录" /> 
 
 195:                                  
  
  
  
"right">  
 199:                                      密码 
 
 200:                                  
  
"center">  
 202:                                      "password" name="txtPwd" id="txtPwd" /> 
 
 203:                                  
  
  
 

 206:                          class="border"> 

 207:                           

 208:                          class="table2" width="190" cellpadding="0" cellspacing="0" border="0"> 
 209:                              
 210:                                  
 214:                                  
 218:                              
 219:                              
 220:                                  
 223:                                  
 226:                              
 227:                          
 
  
"90">  
 211:                                      "#"> 
 
 212:                                          '<%=ResolveUrl("images/lg_forget.png")%>' alt="忘记密码" /> 
 
 213:                                  
  
"100">  
 215:                                      "#"> 
 
 216:                                          '<%=ResolveUrl("images/zhuce.png")%>' alt="注册" /> 
 
 217:                                  
  
  
  
  
 221:                                      "checkbox" name="cbUserName" id="cbUserName" />记住用户名 
 
 222:                                  
  
  
 224:                                      "checkbox" name="cbPwd" id="cbPwd" />记住密码 
 
 225:                                  
  
  
 

 228:                       

 229:                      class="lg_table" id="divIsLogin"> 

 230:                          "tbIsLogin"class="table1" width="198" cellpadding="0" cellspacing="0"
 231:                              border="0"> 
 232:                              
 233:                                  
 237:                              
 238:                              
 239:                                  
 242:                              
 243:                          
    
  
class="style1" style="height: 90px">  
 234:                                      "color: Red">欢迎您回来!
 
 
 235:                                              尊敬的的"color: Red">"lbUserName">用户!  
 
 236:                                  
  
  
  
"center" class="style2">  
 240:                                      "###">查看个人信息  | "A1" href='<%=ResolveUrl("Member/Data/GetMemberInfo.ashx?method=MemberLogout")%>'>退出 
 
 241:                                  
  
  
 

 244:                       

 245:                   

 246:                   

 247:                  class="enter enter1"> 

 248:                      "#"> 

 249:                          '<%=ResolveUrl("images/master.png")%>' alt="大师入口" title="大师入口" /> 

 250:                  class="enter enter2"> 

 251:                      "#"> 

 252:                          '<%=ResolveUrl("images/company.png")%>' alt="企业入口" title="企业入口" /> 

 253:                  class="paihang"> 

 254:                      
 

 255:                          
class="hide"> 

 256:                              推荐排行榜
 

 257:                          
 

 258:                              "#">更多
 

 259:                       

 260:                      
class="ph_ul" id="ph1"> 

 261:                          
"#" οnmοuseοver="setph(0);" class="ph_hover">大师推荐
 

 262:                          
"#" οnmοuseοver="setph(1);">工艺品推荐
 

 263:                          
"#" οnmοuseοver="setph(2);">企业推荐
 

 264:                       

 265:                      class="ph_p" id="ph2"> 

 266:                          
"display: block;"> 

 267:                              
class="ph_li1">"#" class="phplihover">周少君
 

 268:                              
class="ph_li2">"#">周少君
 

 269:                              
class="ph_li3">"#">周少君
 

 270:                              
class="ph_li4">"#">周少君
 

 271:                              
class="ph_li5">"#">周少君
 

 272:                           

 273:                          
 

 274:                              
class="ph_li1">"#" class="phplihover">大大个
 

 275:                              
class="ph_li2">"#">大大个
 

 276:                              
class="ph_li3">"#">大大个
 

 277:                              
class="ph_li4">"#">大大个
 

 278:                              
class="ph_li5">"#">大大个
 

 279:                           

 280:                          
 

 281:                              
class="ph_li1">"#" class="phplihover">小小粒
 

 282:                              
class="ph_li2">"#">小小粒
 

 283:                              
class="ph_li3">"#">小小粒
 

 284:                              
class="ph_li4">"#">小小粒
 

 285:                              
class="ph_li5">"#">小小粒
 

 286:                           

 287:                       

 288:                   

 289:                  class="question"> 

 290:                      
 

 291:                          
class="hide"> 

 292:                              参与调查
 

 293:                       

 294:                      "200"> 
 295:                          
 296:                              
 299:                          
 300:                          
 301:                              
 304:                              
 307:                          
 308:                          
 309:                              
 312:                              
 315:                          
 316:                          
 317:                              
 321:                              
 325:                          
 326:                      
 
  
"2">  
 297:                                  Q.您最喜欢以下哪种工艺品？ 
 
 298:                              
  
  
  
  
 302:                                  "radio" />泥塑 
 
 303:                              
  
  
 305:                                  "radio" />木雕 
 
 306:                              
  
  
  
  
 310:                                  "radio" />陶瓷 
 
 311:                              
  
  
 313:                                  "radio" />石雕 
 
 314:                              
  
  
  
  
 318:                                  "#"> 
 
 319:                                      '<%=ResolveUrl("images/sumbit.gif")%>' alt="提交" /> 
 
 320:                              
  
  
 322:                                  "#"> 
 
 323:                                      '<%=ResolveUrl("images/see.gif")%>' alt="查看结果" /> 
 
 324:                              
  
  
 

 327:                   

 328:                  class="search"> 

 329:                      class="search_thing"> 

 330:                          "225"> 
 331:                              
 332:                                  
 339:                                  
 342:                              
 343:                              
 344:                                  
 348:                              
 349:                              
 350:                                  
 353:                              
 354:                          
 
  
"25">  
 333:                                      "select" class="select">  
 334:                                          木雕 
 
 335:                                          泥塑 
 
 336:                                          陶瓷 
 
 337:                                       
 
 338:                                  
  
"25">  
 340:                                      "text" value="" /> 
 
 341:                                  
  
  
  
"2">  
 345:                                      "#"> 
 
 346:                                          '<%=ResolveUrl("images/search.png")%>' alt="搜索" /> 
 
 347:                                  
  
  
  
"2" class="high_search">  
 351:                                      "search.html">前往高级搜索>> 
 
 352:                                  
  
  
 

 355:                       

 356:                   

 357:               

 358:              class="right_side"> 

 359:                  "ContentPlaceHolder1" runat="server"> 

 360:                   

 361:               

 362:              class="footer"> 

 363:                  class="s_nav"> 

 364:                      
 

 365:                          
"#">在线留言|
 

 366:                          
"#">联系我们|
 

 367:                          
"#">关于我们|
 

 368:                          
"#">企业信息|
 

 369:                          
"#">招商合作
 

 370:                       

 371:                   

 372:                  class="foot"> 

 373:                      
 

 374:                          广东省潮州 2011 © All RIGHTS RESERVED. [版权所有] 学生创新活动中心 

 375:                      
 

 376:                      
 

 377:                          制作与维护：计算机工程研发实验室联系QQ群：73983871
 

 378:                   

 379:               

 380:           

 381:       

 382:   

 383:   

 384:   

接下来,后台相应请求:

   1:  <%@ WebHandler Language="C#" Class="GetMemberInfo" %>

   2:   

   3:  using System;

   4:   

   5:  using System.Web;

   6:   

   7:  using Common;

   8:   

   9:  using czcraft.Model;

  10:   

  11:  using czcraft.BLL;

  12:   

  13:  using System.Web.SessionState;

  14:   

  15:  public class GetMemberInfo : IHttpHandler, IRequiresSessionState

  16:   

  17:  {

  18:   

  19:  // //记录日志

  20:   

  21:  private static readonly log4net.ILog logger = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

  22:   

  23:  public void ProcessRequest(HttpContext context)

  24:   

  25:  {

  26:   

  27:  String methodName = context.Request["method"];

  28:   

  29:  if (!string.IsNullOrEmpty(methodName))

  30:   

  31:  CallMethod(methodName, context);

  32:   

  33:  }

  34:   

  35:  /// 

  36:   

  37:  /// 根据业务需求调用不同的方法

  38:   

  39:  /// 

  40:   

  41:  /// 方法

  42:   

  43:  /// 上下文

  44:   

  45:  public void CallMethod(string Method, HttpContext context)

  46:   

  47:  {

  48:   

  49:  switch (Method)

  50:   

  51:  {

  52:   

  53:  case "CheckExistUserName":

  54:   

  55:  CheckExistUserName(context);

  56:   

  57:  break;

  58:   

  59:  case "MemberLogin":

  60:   

  61:  MemberLogin(context);

  62:   

  63:  break;

  64:   

  65:  case "SaveMemberInfo":

  66:   

  67:  SaveMemberInfo(context);

  68:   

  69:  break;

  70:   

  71:  case "CheckLoginStatus":

  72:   

  73:  CheckLoginStatus(context);

  74:   

  75:  break;

  76:   

  77:  case "MemberLogout":

  78:   

  79:  MemberLogout(context);

  80:   

  81:  break;

  82:   

  83:  default:

  84:   

  85:  return;

  86:   

  87:  }

  88:   

  89:  }

  90:   

  91:  /// 

  92:   

  93:  /// 退出

  94:   

  95:  /// 

  96:   

  97:  /// 

  98:   

  99:  public void MemberLogout(HttpContext context)

 100:   

 101:  {

 102:   

 103:  string UserName = (string)context.Session["UserName"];

 104:   

 105:  memberBLL bll = new memberBLL();

 106:   

 107:  if (!Tools.IsNullOrEmpty(UserName))

 108:   

 109:  {

 110:   

 111:  //如果session存在,清除session

 112:   

 113:  context.Session.Remove("UserName");

 114:   

 115:  }

 116:   

 117:  //清除cookies

 118:   

 119:  CookieHelper.ClearCookie("UserName");

 120:   

 121:  CookieHelper.ClearCookie("Pwd");

 122:   

 123:  //页面跳转

 124:   

 125:  JScript.AlertAndRedirect("安全退出成功!欢迎下次前来访问!", "http://www.cnblogs.com/Default.aspx");

 126:   

 127:  }

 128:   

 129:  /// 

 130:   

 131:  /// 检查用户登录状态

 132:   

 133:  /// 

 134:   

 135:  /// 

 136:   

 137:  public void CheckLoginStatus(HttpContext context)

 138:   

 139:  {

 140:   

 141:  string UserName = (string)context.Session["UserName"];

 142:   

 143:  memberBLL bll = new memberBLL();

 144:   

 145:  if (!Tools.IsNullOrEmpty(UserName))

 146:   

 147:  {

 148:   

 149:  //如果session存在,直接返回用户状态

 150:   

 151:  bll.WriteJsonForLogin(true, UserName);

 152:   

 153:  }

 154:   

 155:  else

 156:   

 157:  {

 158:   

 159:  //用户自动登录状态检测

 160:   

 161:  context.Response.Write(bll.CheckLoginStatus());

 162:   

 163:  }

 164:   

 165:  }

 166:   

 167:  /// 

 168:   

 169:  /// 会员登录

 170:   

 171:  /// 

 172:   

 173:  /// 

 174:   

 175:  public void MemberLogin(HttpContext context)

 176:   

 177:  {

 178:   

 179:  try

 180:   

 181:  {

 182:   

 183:  //获取数据

 184:   

 185:  string Name = context.Request["Name"];

 186:   

 187:  string Pwd = context.Request["Pwd"];

 188:   

 189:  string IsSaveName = context.Request["cbName"];

 190:   

 191:  string IsSavePwd = context.Request["cbPwd"];

 192:   

 193:  //用户登录状态

 194:   

 195:  bool Status = false;

 196:   

 197:  //返回给客户端的json数据

 198:   

 199:  string ReturnJson = "";

 200:   

 201:  //sql注入检测

 202:   

 203:  if (Tools.IsValidInput(ref Name, true) && (Tools.IsValidInput(ref Pwd, true)) && (Tools.IsValidInput(ref IsSaveName, true)) && (Tools.IsValidInput(ref IsSavePwd, true)))

 204:   

 205:  {

 206:   

 207:  member info = new member();

 208:   

 209:  memberBLL bll = new memberBLL();

 210:   

 211:  info.username = Name;

 212:   

 213:  info.password = Pwd;

 214:   

 215:  ReturnJson = bll.ReturnJson(info, out Status);

 216:   

 217:  if (Status) //如果成功登陆

 218:   

 219:  {

 220:   

 221:  //记住帐号和密码

 222:   

 223:  bll.RememberUserInfo(info, bll.GetRememberType(IsSaveName, IsSavePwd));

 224:   

 225:  //保存登录状态

 226:   

 227:  context.Session["UserName"] = info.username;

 228:   

 229:  }

 230:   

 231:  context.Response.Write(ReturnJson);

 232:   

 233:  }

 234:   

 235:  }

 236:   

 237:  catch (Exception ex)

 238:   

 239:  {

 240:   

 241:  logger.Error("会员登录出错!", ex);

 242:   

 243:  }

 244:   

 245:  }

 246:   

 247:  /// 

 248:   

 249:  /// 验证帐号是否存在

 250:   

 251:  /// 

 252:   

 253:  /// 

 254:   

 255:  public void CheckExistUserName(HttpContext context)

 256:   

 257:  {

 258:   

 259:  string username = context.Request["username"];

 260:   

 261:  if (Tools.IsValidInput(ref username, true))

 262:   

 263:  {

 264:   

 265:  context.Response.Write(new memberBLL().CheckExistUserName(username));

 266:   

 267:  }

 268:   

 269:  }

 270:   

 271:  /// 

 272:   

 273:  /// 保存用户信息

 274:   

 275:  /// 

 276:   

 277:  /// 

 278:   

 279:  public void SaveMemberInfo(HttpContext context)

 280:   

 281:  {

 282:   

 283:  try

 284:   

 285:  {

 286:   

 287:  //表单读取

 288:   

 289:  string txtUserName = context.Request["txtUserName"];

 290:   

 291:  string txtPwd = context.Request["txtPwd"];

 292:   

 293:  string txtEmail = context.Request["txtEmail"];

 294:   

 295:  string txtCheckCode = context.Request["txtCheckCode"];

 296:   

 297:  //验证码校验

 298:   

 299:  if (!txtCheckCode.Equals(context.Session["checkcode"].ToString()))

 300:   

 301:  {

 302:   

 303:  return;

 304:   

 305:  }

 306:   

 307:  //字符串sql注入检测

 308:   

 309:  if (Tools.IsValidInput(ref txtUserName, true) && Tools.IsValidInput(ref txtPwd, true) && Tools.IsValidInput(ref txtEmail, true))

 310:   

 311:  {

 312:   

 313:  member info = new member();

 314:   

 315:  info.username = txtUserName;

 316:   

 317:  info.password = txtPwd;

 318:   

 319:  info.Email = txtEmail;

 320:   

 321:  info.states = "0";

 322:   

 323:  if (new memberBLL().AddNew(info) > 0)

 324:   

 325:  {

 326:   

 327:  SMTP smtp = new SMTP(info.Email);

 328:   

 329:  string webpath = context.Request.Url.Scheme + "://" + context.Request.Url.Authority + "/Default.aspx";

 330:   

 331:  smtp.Activation(webpath, info.username);//发送激活邮件

 332:   

 333:  JScript.AlertAndRedirect("注册用户成功!!", "../Default.aspx");

 334:   

 335:  }

 336:   

 337:  else

 338:   

 339:  {

 340:   

 341:  JScript.AlertAndRedirect("注册用户失败!", "../Default.aspx");

 342:   

 343:  }

 344:   

 345:  }

 346:   

 347:  }

 348:   

 349:  catch (Exception ex)

 350:   

 351:  {

 352:   

 353:  logger.Error("错误!", ex);

 354:   

 355:  }

 356:   

 357:  }

 358:   

 359:  public bool IsReusable

 360:   

 361:  {

 362:   

 363:  get

 364:   

 365:  {

 366:   

 367:  return false;

 368:   

 369:  }

 370:   

 371:  }

 372:   

 373:  }

 374:   

业务逻辑BLL部分代码:

   1:  /// 

   2:   

   3:  /// 用户登录

   4:   

   5:  /// 

   6:   

   7:  /// 会员model

   8:   

   9:  /// 

  10:   

  11:  public bool MemberLogin(member info)

  12:   

  13:  {

  14:   

  15:  return new memberDAL().MemberLogin(info);

  16:   

  17:  }

  18:   

  19:  /// 

  20:   

  21:  /// 返回给客户端的json格式数据(用于根据用户登录状态决定)

  22:   

  23:  /// 

  24:   

  25:  /// 

  26:   

  27:  /// 

  28:   

  29:  public string ReturnJson(member info, out bool Status)

  30:   

  31:  {

  32:   

  33:  //登录状态

  34:   

  35:  Status = MemberLogin(info);

  36:   

  37:  //生成json格式数据

  38:   

  39:  return WriteJsonForLogin(Status, info.username);

  40:   

  41:  }

  42:   

  43:  /// 

  44:   

  45:  /// 记住帐号和密码的枚举

  46:   

  47:  /// 

  48:   

  49:  public enum RememberType

  50:   

  51:  {

  52:   

  53:  /// 

  54:   

  55:  /// 记住帐号

  56:   

  57:  /// 

  58:   

  59:  RememberName = 0,

  60:   

  61:  /// 

  62:   

  63:  /// 同时记住帐号和密码

  64:   

  65:  /// 

  66:   

  67:  RememberNameAndPwd = 1,

  68:   

  69:  /// 

  70:   

  71:  /// 不记住帐号密码

  72:   

  73:  /// 

  74:   

  75:  NoRemember = 2

  76:   

  77:  }

  78:   

  79:  /// 

  80:   

  81:  /// 根据保存帐号密码状态判断是保存帐号还是同时保存帐号和密码

  82:   

  83:  /// 

  84:   

  85:  /// "1"代表保存,"0"代表不保存

  86:   

  87:  /// "1"代表保存,"0"代表不保存

  88:   

  89:  /// 

  90:   

  91:  public RememberType GetRememberType(string IsSaveName, string IsSavePwd)

  92:   

  93:  {

  94:   

  95:  RememberType SaveType = RememberType.NoRemember;

  96:   

  97:  //保存帐号和密码

  98:   

  99:  if (IsSaveName.Equals("1") && IsSavePwd.Equals("1"))

 100:   

 101:  {

 102:   

 103:  SaveType = RememberType.RememberNameAndPwd;

 104:   

 105:  }

 106:   

 107:  //保存帐号

 108:   

 109:  if (IsSaveName.Equals("1") && !IsSavePwd.Equals("1"))

 110:   

 111:  {

 112:   

 113:  SaveType = RememberType.RememberName;

 114:   

 115:  }

 116:   

 117:  else if(!IsSaveName.Equals("1"))

 118:   

 119:  {

 120:   

 121:  SaveType = RememberType.NoRemember;

 122:   

 123:  }

 124:   

 125:  return SaveType;

 126:   

 127:  }

 128:   

 129:  /// 

 130:   

 131:  /// 检查用户登录状态,用于验证自动登录(并返回json格式)

 132:   

 133:  /// 

 134:   

 135:  /// 

 136:   

 137:  public string CheckLoginStatus()

 138:   

 139:  {

 140:   

 141:  //登录状态

 142:   

 143:  bool Status = true;

 144:   

 145:  string UserName = Common.CookieHelper.GetCookieValue("UserName");

 146:   

 147:  //如果cookies为空,直接返回

 148:   

 149:  if (Tools.IsNullOrEmpty(UserName))

 150:   

 151:  {

 152:   

 153:  Status = false;

 154:   

 155:  }

 156:   

 157:  string Pwd = Common.CookieHelper.GetCookieValue("Pwd");

 158:   

 159:  if (Tools.IsNullOrEmpty(Pwd))

 160:   

 161:  {

 162:   

 163:  Status = false;

 164:   

 165:  }

 166:   

 167:  else

 168:   

 169:  {

 170:   

 171:  //查找该用户真实密码,并进行md5加密

 172:   

 173:  string password = Tools.GetMD5(new memberDAL().GetPassword(UserName));

 174:   

 175:  //如果两次密码相同则可以自动登陆了

 176:   

 177:  if (!password.Equals(Pwd))

 178:   

 179:  {

 180:   

 181:  Status = false;

 182:   

 183:  }

 184:   

 185:  }

 186:   

 187:  //生成json格式数据

 188:   

 189:  return WriteJsonForLogin(Status, UserName);

 190:   

 191:  }

 192:   

 193:  /// 

 194:   

 195:  /// 为用户登录写入json数据

 196:   

 197:  /// 

 198:   

 199:  /// 登录状态

 200:   

 201:  /// 用户名

 202:   

 203:  /// 

 204:   

 205:  public string WriteJsonForLogin(bool Status, string UserName)

 206:   

 207:  {

 208:   

 209:  StringBuilder json = new StringBuilder();

 210:   

 211:  StringWriter sw = new StringWriter(json);

 212:   

 213:  using (JsonWriter jsonWriter = new JsonTextWriter(sw))

 214:   

 215:  {

 216:   

 217:  jsonWriter.Formatting = Formatting.Indented;

 218:   

 219:  jsonWriter.WriteStartObject();

 220:   

 221:  jsonWriter.WritePropertyName("Status");

 222:   

 223:  jsonWriter.WriteValue(Status);

 224:   

 225:  jsonWriter.WritePropertyName("UserName");

 226:   

 227:  jsonWriter.WriteValue(UserName);

 228:   

 229:  jsonWriter.WriteEndObject();

 230:   

 231:  }

 232:   

 233:  return json.ToString();

 234:   

 235:  }

 236:   

 237:  /// 

 238:   

 239:  /// 记住用户信息

 240:   

 241:  /// 

 242:   

 243:  /// 记住用户信息类别

 244:   

 245:  /// 

 246:   

 247:  public bool RememberUserInfo(member info, RememberType type)

 248:   

 249:  {

 250:   

 251:  if (type == RememberType.RememberName)

 252:   

 253:  {

 254:   

 255:  //记住帐号7天

 256:   

 257:  CookieHelper.SetCookie("UserName", info.username, DateTime.Now.AddDays(7));

 258:   

 259:  }

 260:   

 261:  else if (type == RememberType.RememberNameAndPwd)

 262:   

 263:  {

 264:   

 265:  //md5哈希加密

 266:   

 267:  string sercret = Tools.GetMD5(info.password);

 268:   

 269:  //同时记住帐号和密码7天

 270:   

 271:  CookieHelper.SetCookie("UserName", info.username, DateTime.Now.AddDays(7));

 272:   

 273:  CookieHelper.SetCookie("Pwd", sercret, DateTime.Now.AddDays(7));

 274:   

 275:  }

 276:   

 277:  else

 278:   

 279:  {

 280:   

 281:  return false;

 282:   

 283:  }

 284:   

 285:  return true;

 286:   

 287:  }

实现效果:

总结:

我们天天都在写用户登录,但是考虑安全性,复用性,却是非常少的,在这次实践过程中,Switch语句,还是一个大问题,至今除了反射没有太好的解决方法,正在考虑!

可以发现,这次的实现改进非常大,我清晰的记得去年实现这个功能的糟糕代码, 太垃圾了,代码凌乱呀……

代码重质量,总结分析学习!

一直在努力,从未曾放弃,努力学习中..... 欢迎一起学习.net! 分类:  .net,  ajax技术学习

转载于:https://www.cnblogs.com/MyFlora/archive/2012/05/06/2485867.html

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