Цитата(afon @ 16.4.2010, 23:14  ) | | смахивает на то. что это н е реально |
Отвечу так профессионал и непрофессионал делает одинаковое количество ошибок.
Только первый исправляет их быстро, второй не очень, а я не знаю где искать 
Теперь скрины:
1. Ошибка :
http://ipicture.ru/upload/100418/Pg3VRB4QFV.jpg
2. Проект (чтобы виден был priceincrease.jsp)
http://ipicture.ru/upload/100419/3XEWLZ2dTp.png
3.Код взят отсюда: http://static.springsource.org/docs/Spring-MVC-step-by-step/part4.html
4. Код
PriceIncrease
| Код |
package springapp.service;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class PriceIncrease {
/** Logger for this class and subclasses */
protected final Log logger = LogFactory.getLog(getClass());
private int percentage;
public void setPercentage(int i) {
percentage = i;
logger.info("Percentage set to " + i);
}
public int getPercentage() {
return percentage;
}
}
|
PriceIncreaseValidator
| Код |
package springapp.service;
import org.springframework.validation.Validator;
import org.springframework.validation.Errors;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class PriceIncreaseValidator implements Validator {
private int DEFAULT_MIN_PERCENTAGE = 0;
private int DEFAULT_MAX_PERCENTAGE = 50;
private int minPercentage = DEFAULT_MIN_PERCENTAGE;
private int maxPercentage = DEFAULT_MAX_PERCENTAGE;
/** Logger for this class and subclasses */
protected final Log logger = LogFactory.getLog(getClass());
public boolean supports(Class clazz) {
return PriceIncrease.class.equals(clazz);
}
public void validate(Object obj, Errors errors) {
PriceIncrease pi = (PriceIncrease) obj;
if (pi == null) {
errors.rejectValue("percentage", "error.not-specified", null, "Value required.");
}
else {
logger.info("Validating with " + pi + ": " + pi.getPercentage());
if (pi.getPercentage() > maxPercentage) {
errors.rejectValue("percentage", "error.too-high",
new Object[] {new Integer(maxPercentage)}, "Value too high.");
}
if (pi.getPercentage() <= minPercentage) {
errors.rejectValue("percentage", "error.too-low",
new Object[] {new Integer(minPercentage)}, "Value too low.");
}
}
}
public void setMinPercentage(int i) {
minPercentage = i;
}
public int getMinPercentage() {
return minPercentage;
}
public void setMaxPercentage(int i) {
maxPercentage = i;
}
public int getMaxPercentage() {
return maxPercentage;
}
}
|
PriceIncreaseFormController
| Код |
package springapp.web;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import springapp.service.PriceIncrease;
import springapp.service.ProductManager;
public class PriceIncreaseFormController extends SimpleFormController {
/** Logger for this class and subclasses */
protected final Log logger = LogFactory.getLog(getClass());
private ProductManager productManager;
@Override
public ModelAndView onSubmit(Object command)
throws ServletException {
int increase = ((PriceIncrease) command).getPercentage();
logger.info("Increasing prices by " + increase + "%.");
productManager.increasePrice(increase);
logger.info("returning from PriceIncreaseForm view to " + getSuccessView());
return new ModelAndView(new RedirectView(getSuccessView()));
}
@Override
protected Object formBackingObject(HttpServletRequest request) throws ServletException {
PriceIncrease priceIncrease = new PriceIncrease();
priceIncrease.setPercentage(20);
return priceIncrease;
}
public void setProductManager(ProductManager productManager) {
this.productManager = productManager;
}
public ProductManager getProductManager() {
return productManager;
}
}
|
priceincrease.jsp
| Код |
<%@ include file="/WEB-INF/jsp/include.jsp" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<html>
<head>
<title><fmt:message key="title"/></title>
<style>
.error { color: red; }
</style>
</head>
<body>
<h1><fmt:message key="priceincrease.heading"/></h1>
<form:form method="post" commandName="priceIncrease">
<table width="95%" bgcolor="f8f8ff" border="0" cellspacing="0" cellpadding="5">
<tr>
<td align="right" width="20%">Increase (%):</td>
<td width="20%">
<form:input path="percentage"/>
</td>
<td width="60%">
<form:errors path="percentage" cssClass="error"/>
</td>
</tr>
</table>
<br>
<input type="submit" align="center" value="Execute">
</form:form>
<a href="<c:url value="hello.htm"/>">Home</a>
</body>
</html>
|
include.jsp
| Код |
<%@ page session="false"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
|
web.xml
| Код |
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>SpringMVConTomcat</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVConTomcat</servlet-name>
<url-pattern>*.htm</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>redirect.jsp</welcome-file>
</welcome-file-list>
<jsp-config>
<taglib>
<taglib-uri>/spring</taglib-uri>
<taglib-location>/WEB-INF/tld/spring-form.tld</taglib-location>
</taglib>
</jsp-config>
</web-app>
|
|
