tailieunhanh - Beginning Ajax with PHP ( ERGONOMIC DISPLAY Summary This) - P.6

Tham khảo sách 'beginning ajax with php ( ergonomic display summary this) - ', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 9 27 06 11 57 AM Page 134 134 CHAPTER 8 ERGONOMIC DISPLAY Summary This chapter has shown how to sidestep some crippling issues that Ajax can introduce and has brought to light the true benefit of Ajax. By setting up Ajax functionality properly you can save your users a lot of grief and do what was intended by this technology in the first place provide a solid seamless powerful web site-browsing experience. By combining a solid Ajax framework with simple clean easily maintainable server-side PHP you have yourself a recipe for a successful end product. Now that you ve gone through the ins and outs of Ajax and displaying it properly to the web page it s time to move on to a slightly more advanced topic web services. Now I know this was the big buzz word not too long ago right before Ajax seemingly but that doesn t mean that the technology is now old and stale. Quite the opposite in fact seeing as you can combine the two to create something truly special. Stay tuned as Chapter 9 moves into some very cool Ajax- and PHP-based functionality. 9 27 06 11 58 AM Page 135 CHAPTER 9 Web Services Before Ajax became all the rage web services was the talk of the town. How could it not be really Web services is a very exciting concept both for those wishing to allow use of their custom code and information sets and those eager to make use of such functionality. Basically web services provide an interface for developers to perform certain operations on a computer external to the script calling the function. Site owners who wish to provide external access to information in their databases can look to web services to take care of business. Web services are designed so that computers running different software and on different networks can easily communicate with each other in a cross-platform environment typically XML . Web services have already become crucial tools for major content providers such as Google PayPal Amazon and eBay. Google allows access to its