By Ka Iok Tong
If you want to create web-based purposes simply, then this ebook is for you. extra importantly, it indicates you the way to do this with pleasure and be ok with your personal paintings! you do not need to grasp servlet or JSP whereas your productiveness may be a lot greater than utilizing servlet or JSP at once. this is often attainable simply because we'll use a library known as "Tapestry" that makes complex stuff uncomplicated and stylish. the 1st 4 chapters are freely to be had on http://agileskills2.org/EWDT. you could pass judgement on it your self.
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Additional resources for Enjoying Web Development with Tapestry
The write() method here will write the postage Integer into the "postage" property of the resultPage object. Next, create the Result page. html is like: The postage is . page is like:
Put("p2", new Integer(95)); 10% off). write(resultPage, "postage", new Integer(postage)); return resultPage; } } For simplicity, assume the Load the Result page and pass postage per kg is $10 to the postage value to it and set it calculate the postage as the response page. PropertyUtils is a class coming with a jar file used by Tapestry. The write() method here will write the postage Integer into the "postage" property of the resultPage object. Next, create the Result page. html is like: The postage is .
Summary To get inputs from the user, use a Form component and put some TextField components in it. When the form is rendered, each TextField will get the data from the page object and display it in an HTML input field. When the form is submitted, each TextField will store the input into the page object and finally the Form's listener will be called so that you can perform further calculation on the data already stored in the page object. To tell Tapestry which page is the result page, call activate() or return the name of the page or the page object itself.