search
HomeBackend DevelopmentPHP Tutorialjson - php和客户端交互传数据问题

服务器:有一组软件信息数据,存放了软件id、名称、最高版本的列表
服务器架构:apache、php php-soap、mysql、memcache

客户端软件会从服务器端获得上面软件列表,扫描用户机器上软件与刚获得的列表比较,得到需要更新的列表,并将需要更新数据传给服务器,点客户端某按钮打开浏览器显示需要更新列表

现在是服务器端的软件列表是经常变动的,怎么设计合理更新用户机器得到的该列表数据呢?

现在想的是:
方案1:用soap和给最新版软件列表加个版本号,传xml给客户端。用户取列表时带个版本号,小于服务器上的版本号就返回最新列表和最新版本号。但列表数据还一直增加、、、不知咋办了、、、
方案2:最新版软件列表加个版本号保存文件在服务器,客户端get传用户机器版本号请求服务器,服务器返回是否有新软件列表版本号和文件地址,客户端根据地址下载最新软件版本列表

这检查更新功能怎么做合理呢、、、再最新版本软件列表如何维护合理呢、、、

回复内容:

服务器:有一组软件信息数据,存放了软件id、名称、最高版本的列表
服务器架构:apache、php php-soap、mysql、memcache

客户端软件会从服务器端获得上面软件列表,扫描用户机器上软件与刚获得的列表比较,得到需要更新的列表,并将需要更新数据传给服务器,点客户端某按钮打开浏览器显示需要更新列表

现在是服务器端的软件列表是经常变动的,怎么设计合理更新用户机器得到的该列表数据呢?

现在想的是:
方案1:用soap和给最新版软件列表加个版本号,传xml给客户端。用户取列表时带个版本号,小于服务器上的版本号就返回最新列表和最新版本号。但列表数据还一直增加、、、不知咋办了、、、
方案2:最新版软件列表加个版本号保存文件在服务器,客户端get传用户机器版本号请求服务器,服务器返回是否有新软件列表版本号和文件地址,客户端根据地址下载最新软件版本列表

这检查更新功能怎么做合理呢、、、再最新版本软件列表如何维护合理呢、、、

你是要比对客户端上的软件列表和服务器端上的软件列表,将客户端上的乱叫列表更新为最新的然后下载最新版本。这样理解没有错吧。
首先SOAP和REST方式都是可以的,给下我的建议:
客户端上要有一个软件信息数据列表,每条记录包含软件id,名称,当前版本,是否需要下载,这个数据可以以文本形式也可以以sql_lite等形式存放;
当扫描更新时,将软件信息数据列表加入到请求中传给服务器端,服务器端返回需要更新的软件,包含软件id,最高版本;
客户端收到服务端返回的数据后,更新软件信息数据列表中的版本,同时将需要下载改为1,然后根据是否需要下载字段依次下载最新版本的软件,下载好后将是否需要下载改为0。

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
What are the limitations of using PHP sessions?What are the limitations of using PHP sessions?Apr 30, 2025 am 12:04 AM

PHPsessionshaveseverallimitations:1)Storageconstraintscanleadtoperformanceissues;2)Securityvulnerabilitieslikesessionfixationattacksexist;3)Scalabilityischallengingduetoserver-specificstorage;4)Sessionexpirationmanagementcanbeproblematic;5)Datapersis

Explain how load balancing affects session management and how to address it.Explain how load balancing affects session management and how to address it.Apr 29, 2025 am 12:42 AM

Load balancing affects session management, but can be resolved with session replication, session stickiness, and centralized session storage. 1. Session Replication Copy session data between servers. 2. Session stickiness directs user requests to the same server. 3. Centralized session storage uses independent servers such as Redis to store session data to ensure data sharing.

Explain the concept of session locking.Explain the concept of session locking.Apr 29, 2025 am 12:39 AM

Sessionlockingisatechniqueusedtoensureauser'ssessionremainsexclusivetooneuseratatime.Itiscrucialforpreventingdatacorruptionandsecuritybreachesinmulti-userapplications.Sessionlockingisimplementedusingserver-sidelockingmechanisms,suchasReentrantLockinJ

Are there any alternatives to PHP sessions?Are there any alternatives to PHP sessions?Apr 29, 2025 am 12:36 AM

Alternatives to PHP sessions include Cookies, Token-based Authentication, Database-based Sessions, and Redis/Memcached. 1.Cookies manage sessions by storing data on the client, which is simple but low in security. 2.Token-based Authentication uses tokens to verify users, which is highly secure but requires additional logic. 3.Database-basedSessions stores data in the database, which has good scalability but may affect performance. 4. Redis/Memcached uses distributed cache to improve performance and scalability, but requires additional matching

Define the term 'session hijacking' in the context of PHP.Define the term 'session hijacking' in the context of PHP.Apr 29, 2025 am 12:33 AM

Sessionhijacking refers to an attacker impersonating a user by obtaining the user's sessionID. Prevention methods include: 1) encrypting communication using HTTPS; 2) verifying the source of the sessionID; 3) using a secure sessionID generation algorithm; 4) regularly updating the sessionID.

What is the full form of PHP?What is the full form of PHP?Apr 28, 2025 pm 04:58 PM

The article discusses PHP, detailing its full form, main uses in web development, comparison with Python and Java, and its ease of learning for beginners.

How does PHP handle form data?How does PHP handle form data?Apr 28, 2025 pm 04:57 PM

PHP handles form data using $\_POST and $\_GET superglobals, with security ensured through validation, sanitization, and secure database interactions.

What is the difference between PHP and ASP.NET?What is the difference between PHP and ASP.NET?Apr 28, 2025 pm 04:56 PM

The article compares PHP and ASP.NET, focusing on their suitability for large-scale web applications, performance differences, and security features. Both are viable for large projects, but PHP is open-source and platform-independent, while ASP.NET,

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),