"简述extjs与服务器的交互：利用ExtJS实现前端与服务器端通信"

ExtJS is a front-end JavaScript framework used to build rich client interfaces. It interacts with the server through Ajax, sending requests to fetch data and displaying it on the user interface.

Why Data Interaction Matters

Web applications built with ExtJS require frequent data exchange with the server, typically accomplished through AJAX technology, including GET and POST request methods.

The Importance of Data Formats

ExtJS offers robust data handling capabilities, supporting various data formats such as JSON and XML. The server needs to return data in the agreed format for ExtJS to parse and display correctly.

How to Handle Business Logic

While ExtJS primarily focuses on the interface layer, it can seamlessly coordinate with server-side business logic. User actions on the client side may trigger specific server-side logic.

Injection of Dynamic Content

ExtJS enables dynamic loading of content, meaning some content is fetched from the server during user interaction with the interface, rather than loading everything at once.

Concluding Thoughts and FAQs

ExtJS plays a crucial role in creating interactive and data-driven web applications. Understanding its seamless integration with server-side operations is essential for developers aiming to build efficient and user-friendly interfaces.

For more insights and queries related to ExtJS development, feel free to engage in the comments section below. Your feedback, likes, and shares are greatly appreciated. Thank you for reading!

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