1
Wenn ich versuche, die Werte aus der Klasse abzurufen, die in JSP festgelegt wurden, wird Null angezeigt.Kann JSP-Formularwerte nicht auf Klassenvariablen festlegen
folgende Fehler wird in den Entwicklermodus beobachtet:
ERROR ParametersInterceptor Entwickler-Mitteilung (Set struts.devMode auf false Diese Nachricht deaktivieren): unerwartete Ausnahme gefangen 'name' auf ‚Klasse org.ravi Einstellung. EmployeeAction: Fehler beim Setzen Ausdruck 'name' mit dem Wert 't'
Hier sind meine verschiedenen Seiten
struts.xml
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="default" extends="struts-default">
<action name="addEmployeeAction" class="org.ravi.EmployeeAction">
<interceptor-ref name="params" />
<interceptor-ref name="modelDriven"/>
<result name="success">/Add.jsp</result>
</action>
<action name="EmployeeAction" class="org.ravi.EmployeeAction" method="execute">
<interceptor-ref name="params" />
<interceptor-ref name="modelDriven"/>
<result name="success">/index.jsp</result>
</action>
</package>
</struts>
index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1" import="java.util.*,java.io.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib uri="/struts-tags" prefix="s"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
</head>
<body>
<s:form action="Add.jsp" name="addForm">
<table border="1" cellpadding="5">
<tr>
<th>Select</th>
<th>EmpID</th>
<th>Name</th>
<th>City</th>
<th>DoB</th>
</tr>
<tr>
<th><input type="radio" name="record"
onClick="radioValidate(this, 'record')" value="%{var}">
</th>
<th><s:property value="empid"/></th>
<th><s:property value="name"/></th>
<th><s:property value="city"/></th>
<th><s:property value="dob"/></th>
</s:form>
</body>
</html>
Add.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib uri="/struts-tags" prefix="s"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h1>Add New User</h1>
<s:form action="EmployeeAction" >
<s:textfield label="Emp Id" name="empid" />
<s:textfield label="Name" name="name" />
<s:textfield label="City" name="city" />
<s:textfield label="DoB" name="dob" />
<s:submit />
</s:form>
</body>
</html>
EmployeeAction.java
package org.ravi;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
public class EmployeeAction extends ActionSupport implements ModelDriven<Employee> {
private static final long serialVersionUID = -8136507522861159378L;
private Employee employee=new Employee();
public Employee getEmployee()
{
return employee;
}
public void setEmployee(Employee employee)
{
this.employee=employee;
}
public String execute() throws Exception
{
return SUCCESS;
}
@Override
public Employee getModel()
{
return employee;
}
}
Employee.java
package org.ravi;
import java.io.Serializable;
public class Employee implements Serializable{
static final long serialVersionUID = 1L;
private String empid;
private String name;
private String city;
private String dob;
public void setempid(String empid) {
this.empid = empid;
}
public void setname(String name) {
this.name = name;
}
public void setcity(String city) {
this.city = city;
}
public void setdob(String dob) {
this.dob = dob;
}
public String getempid() {
return this.empid;
}
public String getname() {
return this.name;
}
public String getcity() {
return this.city;
}
public String getdob() {
return this.dob;
}
}
Und der Interceptor-Stack. –
Dies benötigt "Bean" und "CamelCase" Link, um abgeschlossen zu sein. – AxelH
Ich habe sie so oft hinzugefügt:/Ich habe es jetzt auch getan @AxelH, der Vollständigkeit halber ... :) –