登陆前后导航栏处理 2015-12-12
注意：添加灰色背景处，关于ajax传值，和js的判断
1 登陆后控制器处理：判断是否登陆并传递用户信息
<span style="color: #0000ff;">class</span> IndexController <span style="color: #0000ff;">extends</span><span style="color: #000000;"> HomeBaseController { </span><span style="color: #008000;">//</span><span style="color: #008000;">登录</span> <span style="color: #0000ff;">public</span> <span style="color: #0000ff;">function</span><span style="color: #000000;"> index() { </span><span style="color: #800080;">$id</span>=I("get.id"<span style="color: #000000;">); </span><span style="color: #800080;">$users_model</span>=M("Users"<span style="color: #000000;">); </span><span style="color: #800080;">$user</span>=<span style="color: #800080;">$users_model</span>->where(<span style="color: #0000ff;">array</span>("id"=><span style="color: #800080;">$id</span>))-><span style="color: #000000;">find(); </span><span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">empty</span>(<span style="color: #800080;">$user</span><span style="color: #000000;">)){ </span><span style="color: #800080;">$this</span>->error("查无此人！"<span style="color: #000000;">); } </span><span style="color: #800080;">$this</span>->assign(<span style="color: #800080;">$user</span><span style="color: #000000;">); </span><span style="color: #800080;">$this</span>->display(":index"<span style="color: #000000;">); } </span><span style="color: #0000ff;">function</span><span style="color: #000000;"> is_login(){ </span><span style="color: #0000ff;">if</span><span style="color: #000000;">(sp_is_user_login()){ </span><span style="background-color: #c0c0c0;"><span style="color: #800080;">$this</span>->ajaxReturn(<span style="color: #0000ff;">array</span>("status"=>1,"user"=></span><span style="color: #000000;"><span style="background-color: #c0c0c0;">sp_get_current_user()));</span> }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{ </span><span style="color: #800080;">$this</span>->ajaxReturn(<span style="color: #0000ff;">array</span>("status"=>0,"info"=>"此用户未登录！"<span style="color: #000000;">)); } }<br>。。。。。。</span>
2 登陆前后主页导航栏的 登陆和未登录 的显示
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="main-menu-user"</span><span style="color: #0000ff;">></span> <span style="color: #008000;"><!--</span><span style="color: #008000;">还未登陆</span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">='userout </span><span style="color: #ff0000;">user' </span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav navbar-nav navbar-right"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="{:u('user/register/index')}"</span><span style="color: #ff0000;"> data-toggle</span><span style="color: #0000ff;">="dropdown"</span><span style="color: #0000ff;">></span>注册<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav navbar-nav navbar-right"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="{:u('user/login/index')}"</span><span style="color: #ff0000;"> data-toggle</span><span style="color: #0000ff;">="dropdown"</span><span style="color: #0000ff;">></span>登陆<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav navbar-nav navbar-right"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="margin-top:10px"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li </span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="__TMPL__/Public/img/headicon.png"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="headicon"</span><span style="color: #0000ff;">/></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #008000;"><!--</span><span style="color: #008000;">已经登陆</span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="userlogin user"</span> <span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav navbar-nav navbar-right"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="{:u('user/index/logout')}"</span><span style="color: #ff0000;"> data-toggle</span><span style="color: #0000ff;">="dropdown"</span><span style="color: #0000ff;">></span>退出<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav navbar-nav navbar-right"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="{:u('user/center/index')}"</span><span style="color: #ff0000;"> data-toggle</span><span style="color: #0000ff;">="dropdown"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="user-nicename"</span><span style="color: #0000ff;">></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav navbar-nav navbar-right"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="margin-top:10px"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li </span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">=""</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="headicon"</span><span style="color: #0000ff;">/></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
3 登陆后，js对box的操作
<script><br /><span style="color: #000000;"> $(<span style="color: #0000ff;">function<span style="color: #000000;"> () {<span style="color: #008000;">/*<span style="color: #008000;">控制导航栏显示登陆还是个人中心<span style="color: #008000;">*/<span style="color: #000000;"> $.post("{:U('user/index/is_login')}",{},<span style="color: #0000ff;">function<span style="color: #000000;">(data){ <span style="color: #0000ff;">if(data.status==1<span style="color: #000000;">){ <span style="color: #0000ff;">if<span style="color: #000000;">(data.user.avatar){<span style="background-color: #c0c0c0;"> $(<span style="background-color: #c0c0c0;">"#main-menu-user ul li .headicong").attr("src",data.user.avatar.indexOf("http")==0?data.user.avatar:"__UPLOAD__avatar/"+<span style="color: #000000;">data.user.avatar); } $("#main-menu-user ul li .user-nicename").text(data.user.user_nicename!=""?<span style="color: #000000;"><span style="background-color: #c0c0c0;">data.user.user_nicename:data.user.user_login); $("#main-menu-user .userlogin"<span style="color: #000000;">).show(); $("#main-menu-user .userout"<span style="color: #000000;">).hide(); } <span style="color: #0000ff;">if(data.status==0<span style="color: #000000;">){ $("#main-menu-user .userout"<span style="color: #000000;">).show(); $("#main-menu-user .userlogin"<span style="color: #000000;">).hide(); }}); });</script>
PHP Performance Tuning for High Traffic WebsitesMay 14, 2025 am 12:13 AMThesecrettokeepingaPHP-poweredwebsiterunningsmoothlyunderheavyloadinvolvesseveralkeystrategies:1)ImplementopcodecachingwithOPcachetoreducescriptexecutiontime,2)UsedatabasequerycachingwithRedistolessendatabaseload,3)LeverageCDNslikeCloudflareforservin
Dependency Injection in PHP: Code Examples for BeginnersMay 14, 2025 am 12:08 AMYou should care about DependencyInjection(DI) because it makes your code clearer and easier to maintain. 1) DI makes it more modular by decoupling classes, 2) improves the convenience of testing and code flexibility, 3) Use DI containers to manage complex dependencies, but pay attention to performance impact and circular dependencies, 4) The best practice is to rely on abstract interfaces to achieve loose coupling.
PHP Performance: is it possible to optimize the application?May 14, 2025 am 12:04 AMYes,optimizingaPHPapplicationispossibleandessential.1)ImplementcachingusingAPCutoreducedatabaseload.2)Optimizedatabaseswithindexing,efficientqueries,andconnectionpooling.3)Enhancecodewithbuilt-infunctions,avoidingglobalvariables,andusingopcodecaching
PHP Performance Optimization: The Ultimate GuideMay 14, 2025 am 12:02 AMThekeystrategiestosignificantlyboostPHPapplicationperformanceare:1)UseopcodecachinglikeOPcachetoreduceexecutiontime,2)Optimizedatabaseinteractionswithpreparedstatementsandproperindexing,3)ConfigurewebserverslikeNginxwithPHP-FPMforbetterperformance,4)
PHP Dependency Injection Container: A Quick StartMay 13, 2025 am 12:11 AMAPHPDependencyInjectionContainerisatoolthatmanagesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itactsasacentralhubforcreatingandinjectingdependencies,thusreducingtightcouplingandeasingunittesting.
Dependency Injection vs. Service Locator in PHPMay 13, 2025 am 12:10 AMSelect DependencyInjection (DI) for large applications, ServiceLocator is suitable for small projects or prototypes. 1) DI improves the testability and modularity of the code through constructor injection. 2) ServiceLocator obtains services through center registration, which is convenient but may lead to an increase in code coupling.
PHP performance optimization strategies.May 13, 2025 am 12:06 AMPHPapplicationscanbeoptimizedforspeedandefficiencyby:1)enablingopcacheinphp.ini,2)usingpreparedstatementswithPDOfordatabasequeries,3)replacingloopswitharray_filterandarray_mapfordataprocessing,4)configuringNginxasareverseproxy,5)implementingcachingwi
PHP Email Validation: Ensuring Emails Are Sent CorrectlyMay 13, 2025 am 12:06 AMPHPemailvalidationinvolvesthreesteps:1)Formatvalidationusingregularexpressionstochecktheemailformat;2)DNSvalidationtoensurethedomainhasavalidMXrecord;3)SMTPvalidation,themostthoroughmethod,whichchecksifthemailboxexistsbyconnectingtotheSMTPserver.Impl
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
