类似百度文库,网页中某div内显示pdf文件,怎么搞?
http://wenku.baidu.com/view/fde7bc878762caaedd33d474.html
比如这样的。
百度文库,网页中某div内显示pdf文件,怎么搞?
------解决方案--------------------
插件,客户端本来就支持直接在浏览器看pdf,你试试把你浏览器的pdf插件卸了,照样看不到
------解决方案--------------------
有一种把文档转为swf文件的软件,通过调用这个软件来转换上传的文档,然后在页面显示swf文件,用户下载的是文档文件,就这样,这个要处理好线程之类的, 我们公司用.net弄了一个文库。就是这样实现的
------解决方案--------------------
FLASH是种不错的方法,但是现在没几个人很了解FLASH的。
PHP好象有一个独立类能浏览PDF,具体我忘记了。可以GOOGLE查找一下!
------解决方案--------------------
楼主这级别咋混的,div和flash都分不清楚啊。
你提供的网页是flash的。
至于实现方法,两条路,
开发容易的,但是维护麻烦,就是把pdf转化成flash文件,网上工具很多。
维护容易的,开发麻烦,研究as吧。有支持pdf和doc的api。

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Implementing custom session processing in PHP can be done by implementing the SessionHandlerInterface interface. The specific steps include: 1) Creating a class that implements SessionHandlerInterface, such as CustomSessionHandler; 2) Rewriting methods in the interface (such as open, close, read, write, destroy, gc) to define the life cycle and storage method of session data; 3) Register a custom session processor in a PHP script and start the session. This allows data to be stored in media such as MySQL and Redis to improve performance, security and scalability.

SessionID is a mechanism used in web applications to track user session status. 1. It is a randomly generated string used to maintain user's identity information during multiple interactions between the user and the server. 2. The server generates and sends it to the client through cookies or URL parameters to help identify and associate these requests in multiple requests of the user. 3. Generation usually uses random algorithms to ensure uniqueness and unpredictability. 4. In actual development, in-memory databases such as Redis can be used to store session data to improve performance and security.

Managing sessions in stateless environments such as APIs can be achieved by using JWT or cookies. 1. JWT is suitable for statelessness and scalability, but it is large in size when it comes to big data. 2.Cookies are more traditional and easy to implement, but they need to be configured with caution to ensure security.

To protect the application from session-related XSS attacks, the following measures are required: 1. Set the HttpOnly and Secure flags to protect the session cookies. 2. Export codes for all user inputs. 3. Implement content security policy (CSP) to limit script sources. Through these policies, session-related XSS attacks can be effectively protected and user data can be ensured.

Methods to optimize PHP session performance include: 1. Delay session start, 2. Use database to store sessions, 3. Compress session data, 4. Manage session life cycle, and 5. Implement session sharing. These strategies can significantly improve the efficiency of applications in high concurrency environments.

Thesession.gc_maxlifetimesettinginPHPdeterminesthelifespanofsessiondata,setinseconds.1)It'sconfiguredinphp.iniorviaini_set().2)Abalanceisneededtoavoidperformanceissuesandunexpectedlogouts.3)PHP'sgarbagecollectionisprobabilistic,influencedbygc_probabi

In PHP, you can use the session_name() function to configure the session name. The specific steps are as follows: 1. Use the session_name() function to set the session name, such as session_name("my_session"). 2. After setting the session name, call session_start() to start the session. Configuring session names can avoid session data conflicts between multiple applications and enhance security, but pay attention to the uniqueness, security, length and setting timing of session names.


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