Output JSON format data in JSP code

JSON-taglib is a set of JSP tag libraries used to output JSON-format data in JSP code.
JSON-taglib converts data formats using JSON: array, JSON: object, and JSON: property.

The specific usage is as follows:

Just dropJson-taglib.jarFile intoWEB-INF/libDirectory of your web-application.

Here's a quick example of how the taglib cocould be used with an Ajax e-commerce shopping cart. Check out the examples or the tutorial for full details of how to use the taglib.

Call method:

1. <% @ Taglib prefix = "JSON" uri = "http://www.atg.com/taglibs/json" %>
3. <JSON: Object>
4. <JSON: property name = "itemcount" value = "$ {cart. itemcount}"/>
5. <JSON: property name = "subtotal" value = "$ {cart. Subtotal}"/>
6. <JSON: array name = "items" Var = "item" items = "$ {cart. lineitems}">
7. <JSON: Object>
8. <JSON: property name = "title" value = "$ {item. Title}"/>
9. <JSON: property name = "Description" value = "$ {item. Description}"/>
10. <JSON: property name = "imageurl" value = "$ {item. imageurl"/>
11. <JSON: property name = "price" value = "$ {item. Price}"/>
12. <JSON: property name = "QTY" value = "$ {item. qty}"/>
13. </JSON: Object>
14. </JSON: array>
15. </JSON: Object>

Josn output result:

1. {
2. Itemcount: 2,
3. Subtotal: "$15.50 ",
4. Items :[
5. {
6. Title: "The Big Book of foo ",
7. Description: "bestselling book of Foo by A. N. Other ",
8. Imageurl: "/images/books/12345.gif ",
9. Price: "$10.00 ",
10. Qty: 1
11. },
12. {
13. Title: "javascript pocket reference ",
14. Description: "Handy pocket-sized reference for the Javascript language ",
15. Imageurl: "/images/books/56789.gif ",
16. Price: "$5.50 ",
17. Qty: 1
18. }
19. ]
20. }

Be sure to check out the examples or the tutorial for more information about how to use the taglib.
Official Website: http://json-taglib.sourceforge.net/