In this section, you will see how to validate fields of form in struts2.
1-index.jsp
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< html>< head>< title>Ajax_Validation_Example</title></ head>< body><h2>Ajax_Validation_Example</h2><hr/>< a href="loginForm.action">Go to loginForm</a></ body></ html> |
2_ LoginActionForm.jsp
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<%@ taglib uri="/struts-tags" prefix="s"%><%@ taglib uri="/struts-dojo-tags" prefix="sx"%>< html>< head><title>Ajax_Validation_Example</title><sx:head/></head>< body><h2>Ajax_Validation_Example</h2><hr/>< s:actionerror/>< table border="1"><tr><td>< s:form action="loginValidation" >< tr><td>< s:textfield label="Name" name="name"></s:textfield></td></tr>< s:textfield name="password" label="password"></s:textfield>< s:textfield name="userEmail" label="Email"></s:textfield>< sx:submit validate="true"> </sx:submit></ s:form></td></tr></table></ body></ html> |
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package roseindia;import com.opensymphony.xwork2.ActionSupport;public class LoginAction extends ActionSupport { private String name; private int password; private String userEmail; public String getName() { return name;} public void setName(String name) { this.name = name;} public int getPassword() { return password;} public void setPassword(int password) { this.password = password;} public String getUserEmail() { return userEmail;} public void setUserEmail(String userEmail) { this.userEmail = userEmail;} public String execute() throws Exception {System. out.println("Validating login"); if ((!getName().equals("bharat"))) {addActionError( "Invalid user name! Please try again!"); return ERROR;} else { return SUCCESS; } }} |
4_ LoginActionForm-validation.xml
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<! DOCTYPE validators PUBLIC"-//OpenSymphony Group//XWork Validator 1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd"> <validators> <field name="name"> <field-validator type="requiredstring"> <message>Please enter your name</message> </field-validator> </field> <field name="password"> <field-validator type="int"> <param name="min">6</param> <param name="max">12</param> <message>Password must be in between minimum ${min} and maximum${max}.</message> </field-validator> </field> <field name="userEmail"> <field-validator type="email"> <message>Please enter valid email id.</message> </field-validator> </field> <field name="userEmail"> <field-validator type="requiredstring"> <message>Please enter email</message> </field-validator> </field></ validators> |
5_ struts.xml
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< struts>< constant name="struts.devMode" value="false" /> <package name="struts2" extends="struts-default"> <action name="loginForm"> <result>/LoginActionForm.jsp</result> </action> <action name="loginValidation" class="roseindia.LoginAction"> <interceptor-ref name="jsonValidationWorkflowStack"/> <result name="input">/LoginActionForm.jsp</result> <result name="error">/LoginActionForm.jsp</result> <result>/success.jsp</result> </action> </package></ struts> |
6_ success.jsp
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<%@ taglib uri="/struts-tags" prefix="s" %>< html> <head> <title>Login Success</title> </head> <body> <h2>Ajax_Validation_Example</h2><hr/> <b> User Name : </b> <s:property value="name"/> <br/> <b> Password : </b> <%=request.getParameter("password")%> <br/> <b>Email id : </b><s:property value="userEmail"/> </body></ html> |
Output
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