如何设置表单：另一个模型中模型属性的路径答案

【问题标题】：How to set the form:path for the model attribute inside another model如何设置表单：另一个模型中模型属性的路径
【发布时间】：2016-02-04 17:44:25
【问题描述】：

我可以为模型设置单独的路径名，但如果我尝试在另一个模型中为模型设置路径，则会引发错误。我坚持这一点，请给我一个解决方案，如果您详细说明并解释我要穿什么以及最好的地方在哪里了解更多信息，那将是非常慷慨的。

我想分享我的代码来解决它

这是我的控制器

@RequestMapping(value="contact", method=RequestMethod.GET)
public String contactability(HttpServletRequest request, HttpServletResponse response, Model model, @ModelAttribute("contactDetails") ContactDetails contactDetails){
    try{
        if(contactDetails==null){
            contactDetails= new ContactDetails();
        }
        model.addAttribute("contactabality", contactDetails);

    }catch(Exception e){
        e.printStackTrace();
    }

    return "contactabality";

}

这是我的模特

我有两个模型涉及

联系方式在这里是代码

@Entity
@Table(name="TB_CONTACT_DETAILS")
public class ContactDetails implements Serializable {

@Id
@GeneratedValue
@Column(name="CONTACT_ID")
private Long contactId;

@Column(name="IS_PERM_COMM_SAME")
private Integer isPermCommSame;

@OneToMany(fetch=FetchType.EAGER,cascade=CascadeType.ALL, mappedBy="contactDetails")
private Set<AddressDetails> addressDetails = new HashSet<AddressDetails>();

public ContactDetails() {
    // TODO Auto-generated constructor stub
}

public Long getContactId() {
    return contactId;
}

public void setContactId(Long contactId) {
    this.contactId = contactId;
}

public Integer getIsPermCommSame() {
    return isPermCommSame;
}

public void setIsPermCommSame(Integer isPermCommSame) {
    this.isPermCommSame = isPermCommSame;
}

public Set<AddressDetails> getAddressDetails() {
    return addressDetails;
}

public void setAddressDetails(Set<AddressDetails> addressDetails) {
    this.addressDetails = addressDetails;
}

}

是地址模型，这是它的代码

@Entity
@Table(name="TB_ADDRESS_DETAILS")
public class AddressDetails implements Serializable{

@Id
@GeneratedValue
@Column(name="ADDRESS_ID")
private Long addrId;

@ManyToOne(fetch=FetchType.EAGER, cascade=CascadeType.DETACH)
@JoinColumn(name="ADDR_TYPE")
private AddressTypeMaster addressType;

@Column(name="ADDRESS_COL1")
private String addrCol1;

@Column(name="ADDRESS_COL2")
private String addrCol2;

@Column(name="ADDRESS_COL3")
private String addrCol3;

@ManyToOne(fetch=FetchType.EAGER,cascade=CascadeType.DETACH)
@JoinColumn(name="CITY")
private CityMaster city;

@Column(name="PINCODE")
private String pincode;

@ManyToOne(fetch=FetchType.EAGER,cascade=CascadeType.DETACH)
@JoinColumn(name="STATE")
private StateMaster state ;

@ManyToOne(fetch=FetchType.EAGER,cascade=CascadeType.ALL)
@JoinColumn(name="CONTACT_ID")
private ContactDetails contactDetails;

@Column(name="ADDR_STATUS")
private String addrStatus;

@OneToOne(fetch=FetchType.EAGER,cascade=CascadeType.ALL,mappedBy="addressDetails")
private EmployeeDetails employeeDetails;

public AddressDetails() {
    // TODO Auto-generated constructor stub
}

public Long getAddrId() {
    return addrId;
}

public void setAddrId(Long addrId) {
    this.addrId = addrId;
}

public AddressTypeMaster getAddressType() {
    return addressType;
}

public void setAddressType(AddressTypeMaster addressType) {
    this.addressType = addressType;
}


public String getAddrCol1() {
    return addrCol1;
}

public void setAddrCol1(String addrCol1) {
    this.addrCol1 = addrCol1;
}

public String getAddrCol2() {
    return addrCol2;
}

public void setAddrCol2(String addrCol2) {
    this.addrCol2 = addrCol2;
}

public String getAddrCol3() {
    return addrCol3;
}

public void setAddrCol3(String addrCol3) {
    this.addrCol3 = addrCol3;
}

public CityMaster getCity() {
    return city;
}

public void setCity(CityMaster city) {
    this.city = city;
}

public String getPincode() {
    return pincode;
}

public void setPincode(String pincode) {
    this.pincode = pincode;
}

public StateMaster getState() {
    return state;
}

public void setState(StateMaster state) {
    this.state = state;
}

public ContactDetails getContactDetails() {
    return contactDetails;
}

public void setContactDetails(ContactDetails contactDetails) {
    this.contactDetails = contactDetails;
}

public String getAddrStatus() {
    return addrStatus;
}

public void setAddrStatus(String addrStatus) {
    this.addrStatus = addrStatus;
}

public EmployeeDetails getEmployeeDetails() {
    return employeeDetails;
}

public void setEmployeeDetails(EmployeeDetails employeeDetails) {
    this.employeeDetails = employeeDetails;
}

}

这是我的 JSP

    <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>

<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Generic Tool For Employee</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Place favicon.ico and apple-touch-icon.png in the root directory -->

<link rel="stylesheet" href="layout/css/bootstrap.min.css">
<link rel="stylesheet" href="layout/css/validator/screen.css">
<link rel="stylesheet" href="layout/datepicker/css/bootstrap-datepicker3.min.css">
<link rel="stylesheet" href="layout/css/index.css">

  <div class="container-fluid">
        <h2>Contact Details</h2>
        <form:form commandName="contactabality" class="form-horizontal" id="contactDetailsForm" role="form" method="POST" action="persDetails">
            <div class="panel panel-default">
                <div class="panel-heading">
                    <h4 class="panel-title">Address Details</h4>
                </div>
                <div class="panel-body">
                    <div class="col-sm-6">
                <!--COMMUNICATION ADDRESS DETAILS-->
                     <h3 class="page-header">COMMUNICATION ADDRESS DETAILS</h3>
                         <div class="form-group">
                             <label class="col-sm-4 control-label">Address 1<span class="mandatoryRed">*</span></label>
                             <div class="col-sm-8">
                                 <form:input path="addressDetails.addrCol1" type="text" class="form-control" placeholder="Address 1" name="commAddr1" id="commAddr1"/>
                             </div>
                         </div>
         <%--                 <div class="form-group">
                             <label class="col-sm-4 control-label">Address 2</label>
                             <div class="col-sm-8">
                                 <form:input path="addressDetails.addrCol2" type="text" class="form-control" placeholder="Address 2" name="commAddr2" id="commAddr2"/>
                             </div>
                         </div>
                         <div class="form-group">
                             <label class="col-sm-4 control-label">Address 3</label>
                             <div class="col-sm-8">
                                 <form:input path="addressDetails.addrCol3" type="text" class="form-control" placeholder="Address 3" name="commAddr3" id="commAddr3"/>
                             </div>
                         </div>
                         <div class="form-group">
                             <label class="col-sm-4 control-label">City<span class="mandatoryRed">*</span></label>
                             <div class="col-sm-8">
                                 <form:select path="addressDetails.city.cityId" class="form-control" name="commAddrCity" id="commAddrCity">
                                    <form:options items="${cities}"/>
                                 </form:select>
                             </div>
                         </div>
                         <div class="form-group">
                             <label class="col-sm-4 control-label">State<span class="mandatoryRed">*</span></label>
                             <div class="col-sm-8">
                                 <form:select path="addressDetails.state.stateId" class="form-control" name="commAddrState" id="commAddrState">
                                    <form:options items="${states}" />
                                 </form:select>
                             </div>
                         </div>
                         <div class="form-group">
                             <label class="col-sm-4 control-label">Pincode<span class="mandatoryRed">*</span></label>
                             <div class="col-sm-8">
                                 <form:input path="addressDetails.pincode" type="text" class="form-control" placeholder="Pincode" name="commAddrPincode" id="commAddrPincode" maxlength="6"/>
                             </div>
                         </div>
                     </div>
                     <!--PERMANENT ADDRESS DETAILS-->
                    <div class="col-sm-6">
                        <h4 class="page-header">PERMANENT ADDRESS DETAILS</h4>
                        <div class="form-group">
                            <label class="col-sm-9">Is your permanent address same as communication address<span class="mandatoryRed">*</span></label>
                            <div class="col-sm-2">
                                <div class="toggle-switch toggle-switch-success">
                                    <label>
                                        <form:checkbox path="isPermCommSame" id="PermAddrCheck" type="checkbox" value="2"/>
                                        <div class="toggle-switch-inner"></div>
                                        <div class="toggle-switch-switch"><i class="fa fa-check"></i></div>
                                    </label>
                                </div>

                            </div>
                        </div>
                        <div class="row permAddrClss">
                            <div class="form-group">
                                <label class="col-sm-4 control-label">Address 1<span class="mandatoryRed">*</span></label>
                                <div class="col-sm-8">
                                    <form:input path="addressDetails.addrCol1" type="text" class="form-control" placeholder="Address 1" name="PermAddr1" id="PermAddr1"/>
                                </div>
                            </div>
                            <div class="form-group">
                                <label class="col-sm-4 control-label">Address 2</label>
                                <div class="col-sm-8">
                                    <form:input  path="addressDetails.addrCol2" type="text" class="form-control" placeholder="Address 2" name="PermAddr2" id="PermAddr2"/>
                                </div>
                            </div>
                            <div class="form-group">
                                <label class="col-sm-4 control-label">Address 3</label>
                                <div class="col-sm-8">
                                    <form:input path="addressDetails.addrCol3" type="text" path="addressDetails.addrCol3" class="form-control" placeholder="Address 3" name="PermAddr3" id="PermAddr3"/>
                                </div>
                            </div>
                            <div class="form-group">
                                <label class="col-sm-4 control-label">City<span class="mandatoryRed">*</span></label>
                                <div class="col-sm-8">
                                    <form:select path="addressDetails.city.cityId" class="form-control" name="PermAddrCity" id="PermAddrCity">
                                        <form:options items="${cities}"  />
                                    </form:select>
                                </div>
                            </div>
                            <div class="form-group">
                                <label class="col-sm-4 control-label">State<span class="mandatoryRed">*</span></label>
                                <div class="col-sm-8">
                                    <form:select path="addressDetails.state.stateId" class="form-control" name="PermAddrState" id="PermAddrState">
                                        <form:options items="${states}"/>
                                    </form:select>
                                </div>
                            </div>
                            <div class="form-group">
                                <label class="col-sm-4 control-label">Pincode<span class="mandatoryRed">*</span></label>
                                <div class="col-sm-8">
                                    <form:input path="addressDetails.pincode" type="text" class="form-control" placeholder="Pincode" name="PermAddrPincode" id="PermAddrPincode" maxlength="6"/>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>--%>
            <p>
                <input class="submit btn btn-default" type="submit" value="Submit">
            </p>
        </form:form> 
    </div>

    <!-- SCRIPTS -->
    <script src="layout/js/vendors/jquery-1.9.1.min.js"></script>
    <script src="layout/js/vendors/jquery.validate.min.js"></script>
    <script src="layout/js/vendors/bootstrap-3.3.5.js"></script>
    <script src="layout/datepicker/js/bootstrap-datepicker.min.js"></script>
    <script src="layout/js/index.js"></script>
    <script src="layout/js/contactabality.js"></script>

我遇到的错误是

4:46:34,916 错误 [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/eob-web].[jsp]] (http-localhost/127.0. 0.1:8080-5) JBWEB000236：servlet jsp 的 Servlet.service() 抛出异常：org.springframework.beans.NotReadablePropertyException：bean 类 [com.rectrix.eob.models.ContactDetails] 的无效属性“addressDetails.addrCol1”：Bean属性 'addressDetails.addrCol1' 不可读或有无效的 getter 方法：返回类型是否

与

14:46:34,922 错误 [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/eob-web].[jsp]] (http-localhost/127.0. 0.1:8080-5) JBWEB000236：Servlet jsp 的 Servlet.service() 抛出异常：org.apache.tiles.util.TilesIOException：JSPException，包括路径“/WEB-INF/views/jsp/contactabality.jsp”。

请帮我解决这个问题。谢谢

【问题讨论】：

标签： spring jsp spring-mvc servlets jstl

【解决方案1】：

private Set<AddressDetails> addressDetails = new HashSet<AddressDetails>();

是你的问题。我相信您只会在上面的列表中存储两种地址，我建议您将 Permanent 和 Communication 地址详细信息绑定为单独的属性，而不是绑定为列表.

比如在 ContactDetails bean @Transient private AddressDetails commAddressDetails 和 @Transient private AddressDetails permAddressDetails 以及相应的 setter/getter 中再创建两个 Transient 属性。

在您的 Jsp 中为各个字段使用这些属性，然后再坚持编写您自己的逻辑来构造one-to-many 关系。如果您有固定数量的地址，这将起作用。

【讨论】：

感谢您抽出宝贵时间帮助我，谢谢。我的其他模型也以同样的方式开发，例如。我有employeeExp 模型，其中包含我有公司名称的pastExp 属性。因此，用户试图从员工 exp 中设置的名称应该放在 pastExp 的公司名称中。为此，在employeeExp 的jsp 中，我将公司名称的路径设为pastExp.companyName。在这种情况下，我需要它以这种方式运行，但我得到与上图相同的错误。如何解决这个问题。
在这种情况下您的视图设计如何？ - 这个答案可能会对你有所帮助。 stackoverflow.com/questions/33015654/…
谢谢你-Lovababu。我认为这就是我想要做的。我需要将我的模型与模型绑定。为此，我曾经将 pastExp.companyName 作为路径。但我得到了同样的错误
这也是employeeExp中的列表吗？如果是，如果您有动态列表大小，则无法绑定，因此我建议您按照上述链接中的详细说明进行操作。
好的，非常感谢