php大概的怎么让每人每天投N票,谢啦
回复讨论(解决方案)
在投票人名下计数,每日清空或转移
不限制用户投票次数。
??每人在?天的投票次?,?大於某值?提示,已超?投票次?。
??每人在?天的投票次?,?大於某值?提示,已超?投票次?。
就是不知道怎么记录当天的投票次数啊,能简单写个例子么
在投票人名下计数,每日清空或转移
这个活动结束时是关于每个投票选项统计票数的,最好是怎么判断当天或24小时内的票数的例子
在投票人名下计数,每日清空或转移
已经说的很清楚了,就是几个字段解决:用户名、统计总数、统计当天总数、更新时间。基本就够你用了
建议 建一个日志表 做每一次的投票数据!以后要什么数据 都可以统计!
table
id 自增id
uid 用?id
date 日期
votenum 投票次?
判?是否已超? n次,如未超?,允?投票。
$n = 10;$uid = 1;$sqlstr = "select votenum from table where uid=".$uid." and date='2015-02-06'";$result = mysql_query($sqlstr) or die(mysql_error());if(!$result){ $sqlstr = "insert into table(uid,date,votenum) values('".$uid."','".date('Y-m-d')."',1)"; mysql_query($sqlstr) or die(mysql_error());}elseif($result['votenum']>$n){ echo '今天你已投票'.$n.'次,不能再投票'; exit();}else{ $sqlstr = "update table set votenum=votenum+1 where uid=".$uid." and date='".date('Y-m-d')."'"; mysql_query($sqlstr) or die(mysql_error());}// ?行投票代?echo '投票成功';

ThesecrettokeepingaPHP-poweredwebsiterunningsmoothlyunderheavyloadinvolvesseveralkeystrategies:1)ImplementopcodecachingwithOPcachetoreducescriptexecutiontime,2)UsedatabasequerycachingwithRedistolessendatabaseload,3)LeverageCDNslikeCloudflareforservin

You 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.

Yes,optimizingaPHPapplicationispossibleandessential.1)ImplementcachingusingAPCutoreducedatabaseload.2)Optimizedatabaseswithindexing,efficientqueries,andconnectionpooling.3)Enhancecodewithbuilt-infunctions,avoidingglobalvariables,andusingopcodecaching

ThekeystrategiestosignificantlyboostPHPapplicationperformanceare:1)UseopcodecachinglikeOPcachetoreduceexecutiontime,2)Optimizedatabaseinteractionswithpreparedstatementsandproperindexing,3)ConfigurewebserverslikeNginxwithPHP-FPMforbetterperformance,4)

APHPDependencyInjectionContainerisatoolthatmanagesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itactsasacentralhubforcreatingandinjectingdependencies,thusreducingtightcouplingandeasingunittesting.

Select 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.

PHPapplicationscanbeoptimizedforspeedandefficiencyby:1)enablingopcacheinphp.ini,2)usingpreparedstatementswithPDOfordatabasequeries,3)replacingloopswitharray_filterandarray_mapfordataprocessing,4)configuringNginxasareverseproxy,5)implementingcachingwi

PHPemailvalidationinvolvesthreesteps: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

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool

Dreamweaver CS6
Visual web development tools

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

WebStorm Mac version
Useful JavaScript development tools
