"China Computer Business 500" award, awarded the two winning BenQ chase the deer

IT industry as one of the most famous brand activities, computer operators Annual (CPW 500) activity has been successfully held five sessions, is the industry's most popular, with a high commercial value of the industry event. Every year, inviting all types of IT companies to participate in key senior management and marketing, the exchange of important business decision-making information, discuss the future development of IT industry trends, recognition of outstanding contributions to the industry's best IT companies.



"China's PC business in 2008 500" Award, BenQ chase the deer with its professional services and work with customers to experience success, to a model of comprehensive strength and advantages of the industry, has been unanimously approved users and experts, awarded the " 2008, 500 Chinese computer manufacturing business solution providers top ten "," 2008 Business 500, the Chinese computer program provider 200 "awards.

By providing customers with Chinese characteristics, and international standards of continuous service, BenQ compete in the market this brand has received wide recognition. BenQ compete in manufacturing information technology solutions to help enterprises solve content from cost control, capital chain to the human capital management issues, providing the overall enterprise information solutions. After nearly a decade of development, BenQ chase the deer have become a leading information technology systems, implementation and integration of integrated service providers in China have been successful for hundreds of companies providing information services.

BenQ chase the deer is a leading consultancy services, IT technology and business process outsourcing services. As a performance businesses, BenQ chase the deer with a wealth of industry experience, extensive resources and successful practice in the Chinese market, helping customers to optimize human capital and supply chain management, improve management performance, as organizational performance excellence.

BenQ compete in the award-winning, powerful confirmation of our area in the domestic IT and software industry's strength and leadership. BenQ will next compete in the professional and wisdom to the world to promote Chinese enterprises to help more businesses to success road. BenQ compete in the future will rise to more service model, will use the more comprehensive, in place, high-quality services to meet customers changing needs, business information services to build the leading brand of Chinese!







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JSF to pass parameters via URL

Had taken a fancy to JSF, because the Chinese and a number of benefits:

1, to obtain or display form data, you can use the same EL, JSF EL can only get can not be pre-set;

2, MyFaces realize there are many is the "flip" the components, such as drop-down menus, tree controls, date selection control, etc. is extremely easy to use.

Therefore, in a small project using the JSF development, with a discovered fact, this brings a lot of things are more trouble than before, the place, so they took a very common database operations - query, modify, insert, delete to illustrate the use of JSF to realize what trouble:

1) for inquiries. For the small amount of data, with a dataTable on everything buttoned up. However, relatively large amounts of data pages in trouble, because the paging dataTable is to take out all the data and then a page display, and a large amount of data usually need to see the next page to check which page. Web pages have a common stored procedure, as long as the number of parameters (page, sort, page size, etc.) to pass it, you can get a page of data. If the URL to pass parameters directly through the server under the parameter to call the stored procedure is a convenient things. But the JSF is not to pass parameters through the URL, and the page address in the process is more complicated, not intuitive as before. It was changed a bit dataModel way to achieve, to make it a time to take one of the data, the effect is achieved, but to jump to a page, but can only point link, can not enter the URL to get a (that is not to a page in the Add to Favorites).

Two days to do some tests, the JSF in or to pass parameters through the URL, in the Backing Bean in the getValue ValueBinding obtained by URL parameters, then according to parameters obtained from the database corresponding content, generate an object bean, and then displayed on the page. But this way, it seems almost Jiugen servlet.

If can be configured to set the form submission method or post method is get enough. However, all can now post, in addition to the consequences of such a collection can not be refreshed (if prompted to re-submit data), the will to disable the browser's back.

2) modification. In the datatable displayed in the data, you can add each line of a commanButton, in its action method called dataModel the getRowData () method to get the row data, the data stored in a request scope bean inside, and then turn to Another page can be edited through a form to display the contents of the bean, where you can modify, submitted. As the way forward is to use a turn, so the page url or data displayed of the page, as long as a refresh, the data show that on the back page and not the one that has; If you do not want to modify, click the browser back button, although the data displayed back to that page, but above commandButton has failed, for example, click the Modify button, nothing happens, have to refresh it a point to be effective again.

To solve this problem, I use a URL to pass parameters. ID specified by the URL to show what you want to modify the object, modify the page backing bean in the constructor to read the URL parameters to obtain the ID, then query the database by other elements of the object, and then displayed on the page . This can be refreshed, you can back.

3) Add. Can be added with the amendments to display the same page, but corresponding to different commandButton action method, such as "Edit" button corresponding to the update, "Add" button corresponds to create, in the two method were used in the database update statements and insert statements can be. The new time is not ID's, when it has been modified with ID.

4) Delete. Display data in the dataTable, each line can add a commandButton, in its action method, the reading of the line data, the ID after the execution of the DELETE SQL statement can be, relatively simple.

No matter what it does, can not do without three things: pages, configuration files, Backing Bean. What page is the presentation layer, is responsible for what page to link with the Backing Bean. Configuration file specifies the page to use Backing Bean's name, class, range of use, as well as navigation rules (Navigation Rules). Backing Bean is part of the program's logic. Even if the realization of the simplest functions, such as display a variable value, these three things are essential.

When the page changes, although not restart the server, but in the new session in order to see the results, the simplest way is to turn off the browser, open a new, view the results. Modify the configuration files and backing bean must restart the server. So JSF is very cumbersome to debug.







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