Java Tutorial/JSTL/Java Beans — различия между версиями

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Версия 17:44, 31 мая 2010

JSTL Working With More Than One Bean

Bid.java



package beans;
public class Bid {
    
    /** Holds value of property price. */
    private long price;
    
    /** Holds value of property item. */
    private String item;
    
    /** Creates a new instance of Bid */
    public Bid() {
    }
    
    /** Getter for property price.
     * @return Value of property price.
     *
     */
    public long getPrice() {
        return this.price;
    }
    
    /** Setter for property price.
     * @param price New value of property price.
     *
     */
    public void setPrice(long price) {
        this.price = price;
    }
    
    /** Getter for property item.
     * @return Value of property item.
     *
     */
    public String getItem() {
        return this.item;
    }
    
    /** Setter for property item.
     * @param item New value of property item.
     *
     */
    public void setItem(String item) {
        this.item = item;
    }
    
}





Set Form Data to Bean and Output

index.jsp



<html>
  <head><title>Create Person</title></head>
  <body>
    <h1>Enter your details</h1>
    <form action="listPageParameters.jsp" method="post">
      <table>
        <tr><td>First name:</td> <td><input type="text" name="firstName" /></td></tr>
        <tr><td>Last name:</td>  <td><input type="text" name="lastName"  /></td></tr>
        <tr><td>Age:</td>        <td><input type="text" name="age"       /></td></tr>
      </table>
      <input type="submit" value="Submit details" />
    </form>
  </body>
</html>





Use Java Bean in JSTL

<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.ru/jstl/core-rt" prefix="c-rt" %>
<html>
  <head>
    <title>If Caseless</title>
  </head>
  <body>
    <c:set var="str" value="jStL" />
    <jsp:useBean id="str" type="java.lang.String" />
    <c-rt:if test="<%=str.equalsIgnoreCase("JSTL")%>"> They are
    equal</c-rt:if>
  </body>
</html>


Источник — «http://jexp.ru/index.php?title=Java_Tutorial/JSTL/Java_Beans&oldid=3442»