I want to create a sample project in spring mvc using the annotation method where the user can navigate to one page to another by clicking buttons.I am new to spring mvc i had created a sample project for single page display
I am expecting your help. Thanks in advance
Login.java
package credentials;
public class Login {
private String name;
private String password;
public void setName(String name){
this.name=name;
}
public String getName(){
return name;
}
public void setPassword(String password){
this.password=password;
}
public String getPassword(){
return password;
}
}
Logincontroller.java
package credentials;
import org.apache.tomcat.jdbc.pool.Validator;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class LoginController {
@RequestMapping(value="/login")
public ModelAndView login(){
return new ModelAndView("login","command",new Login());
}
@RequestMapping(value="/calc")
public ModelAndView Add(){
return new ModelAndView("calc","command",new Login());
}
}
login.jsp
<%@taglib uri="" prefix="form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h2>Login here</h2>
<form:form method="POST" action="calc">
<table>
<tr>
<td><form:label path="name">Name</form:label></td>
<td><form:input path="name" /> </td>
</tr>
<tr>
<td><form:label path="password">Password</form:label></td>
<td><form:password path="password"></form:password></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="login" />
</td>
</table>
calc.jsp <%@taglib uri="" prefix="form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form:form method="POST" action="content">
<h2>Add content</h2>
<table>
<tr>
<form:button path="mouse" value="Mouse">Mouse</form:button>
<td>
</tr>
</table>
</form:form>
</body>
</html>
content.jsp
<%@taglib uri="" prefix="form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h2>Submitted Student Information</h2>
</body>
</html>
when this "Mouse" button on calc page is clicked the following error occurs
HTTP Status 404 -
type Status report
message
description The requested resource is not available.
After adding
<form:input path="mouse"/>
the following error occured when clicking login button in login page
HTTP Status 500 - An exception occurred processing JSP page /WEB-INF/jsp/calc.jsp at line 16
type Exception report
message An exception occurred processing JSP page /WEB-INF/jsp/calc.jsp at line 16
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jsp/calc.jsp at line 16
13:
14: <tr>
15: <form:button path="mouse" value="Mouse">Mouse</form:button>
16: <form:input path="mouse"/>
17: <td>
18:
19: </tr>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
root cause
org.springframework.beans.NotReadablePropertyException: Invalid property 'mouse' of bean class [credentials.Login]: Bean property 'mouse' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?
org.springframework.beans.BeanWrapperImpl.getPropertyValue(BeanWrapperImpl.java:729)
org.springframework.beans.BeanWrapperImpl.getPropertyValue(BeanWrapperImpl.java:721)
org.springframework.validation.AbstractPropertyBindingResult.getActualFieldValue(AbstractPropertyBindingResult.java:99)
org.springframework.validation.AbstractBindingResult.getFieldValue(AbstractBindingResult.java:219)
org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:120)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus(AbstractDataBoundFormElementTag.java:178)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath(AbstractDataBoundFormElementTag.java:198)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName(AbstractDataBoundFormElementTag.java:164)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.autogenerateId(AbstractDataBoundFormElementTag.java:151)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:142)
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:126)
org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:421)
org.springframework.web.servlet.tags.form.InputTag.writeTagContent(InputTag.java:142)
org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102)
org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79)
org.apache.jsp.WEB_002dINF.jsp.calc_jsp._jspx_meth_form_005finput_005f0(calc_jsp.java:201)
org.apache.jsp.WEB_002dINF.jsp.calc_jsp._jspx_meth_form_005fform_005f0(calc_jsp.java:126)
org.apache.jsp.WEB_002dINF.jsp.calc_jsp._jspService(calc_jsp.java:81)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
1 Answer
There's loads of sample projects that already do this that Spring offer on github.
Take a look at their repository here
So all you want is to click a button, this fires off to a spring endpoint that returns a view.
