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SPRING COOKBOOK

You're reading from   SPRING COOKBOOK Over 100 hands-on recipes to build Spring web applications easily and efficiently

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Product type Paperback
Published in May 2015
Publisher Packt
ISBN-13 9781783985807
Length 234 pages
Edition 1st Edition
Languages
Tools
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Authors (2):
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Murat Yilmaz Murat Yilmaz
Author Profile Icon Murat Yilmaz
Murat Yilmaz
Jerome Jaglale Jerome Jaglale
Author Profile Icon Jerome Jaglale
Jerome Jaglale
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Toc

Table of Contents (14) Chapters Close

Preface 1. Creating a Spring Application FREE CHAPTER 2. Defining Beans and Using Dependency Injection 3. Using Controllers and Views 4. Querying a Database 5. Using Forms 6. Managing Security 7. Unit Testing 8. Running Batch Jobs 9. Handling Mobiles and Tablets 10. Connecting to Facebook and Twitter 11. Using the Java RMI, HTTP Invoker, Hessian, and REST 12. Using Aspect-oriented Programming Index

Passing attributes from a controller to a JSP view


In this recipe, you'll learn how to set attributes in a controller method and use them in a JSP view.

How to do it…

Here are the steps to pass data from a controller to a view:

  1. Add a Model argument to the controller method:

      @RequestMapping("/user/list")
      public void userList(Model model) {
      ...
  2. In the controller method, add attributes to the Model object:

    model.addAttribute("nbUsers", 13);
  3. Use the attributes in the JSP file:

    <p>There are ${nbUsers} users</p>

How it works…

The nbUsers variable is set to 13 in the controller. In the JSP file, the ${nbUsers} EL (Expression Language) element will be rendered to 13, so that the following HTML will be returned:

<p>There are 13 users</p>
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