我正在使用Jquery Grid在struts 2中开发一个小应用程序来显示数据结果。
当我点击编辑按钮时，特定的行ID即将到来。 但是，当我单击删除按钮删除该行时，其ID不会到来。 使用所选行（Struts2 Jquery Grid）执行删除操作时如何获取行的id？
Plz帮助我。
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib prefix="sj" uri="/struts-jquery-tags"%>
<%@ taglib prefix="sjg" uri="/struts-jquery-grid-tags"%>
<jsp:include page="../../loginCheck.jsp" />
<html>
<head>
<title>Hello World</title>
<style type="text/css">
@import
url(<%=request.getContextPath()%>/css/style1.css);
</style>
<sj:head jqueryui="true" jquerytheme="le-frog"/>
</head>
<body>
<div id="setpage"> <s:url id="editurl" action="nedit"/>
<s:url id="editurl" action="nedit"/>
<s:url id="remoteurl" action="ntable"/>
<sjg:grid
id="gridtable"
caption="Subject Setup Navigator"
dataType="json"
href="%{remoteurl}"
pager="true"
rowList="10,20,100"
rowNum="5"
navigator="true"
width="999"
navigatorSearchOptions="{sopt:['eq','ne','lt','gt']}"
navigatorAddOptions="{height:280,reloadAfterSubmit:true}"
navigatorEditOptions="{height:280,reloadAfterSubmit:false}"
navigatorEdit="false"
navigatorView="false"
navigatorDelete="true"
navigatorDeleteOptions="{height:280,reloadAfterSubmit:true}"
gridModel="gridModel"
editurl="%{editurl}"
editinline="true"
onSelectRowTopics="rowselect"
>
<sjg:gridColumn name="subjectId" index="subjectId" title="SubjectId" formatter="integer" sortable="false" key="true" hidden="true" />
<sjg:gridColumn name="subjectName" index="subjectName" title="Subject Name" sortable="true" search="true"
editable="true"
edittype="text" />
</sjg:grid>
<br/>
</div>
</body>
</html>
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package v.esoft.actions.subjectdetails;
import com.opensymphony.xwork2.ActionSupport;
import java.text.SimpleDateFormat;
import com.opensymphony.xwork2.ModelDriven;
import v.esoft.dao.SubjectdetailsDAO.SubjectdetailsDAO;
import v.esoft.pojos.Subjectdetails;
public class SubjectdetailsEditAction extends ActionSupport implements ModelDriven<Subjectdetails>
{
private static final long serialVersionUID = -6659925652584240539L;
private String oper;
int subjectId;
Subjectdetails subject=new Subjectdetails();
SimpleDateFormat formatter1 = new SimpleDateFormat("yyyy-MM-dd");
SubjectdetailsDAO dao=new SubjectdetailsDAO();
@Override
public Subjectdetails getModel()
{
return subject;
}
public String execute() throws Exception
{
System.out.println(subject.getSubjectId());
if(oper.equalsIgnoreCase("add"))
{
System.out.println ("inside action");
dao.saveOrUpdateSubject(subject);
}
else if (oper.equalsIgnoreCase("edit"))
{
dao.saveOrUpdateSubject(subject);
}
else if (oper.equalsIgnoreCase("del"))
{
System.out.println("subjectId");
System.out.println(subject.getSubjectId());
// dao.deleteSubject(subjectId);
}
return SUCCESS;
}
//---------------
public String getOper() {
return oper;
}
public void setOper(String oper) {
this.oper = oper;
}
public Subjectdetails getSubject() {
return subject;
}
public void setSubject(Subjectdetails subject) {
this.subject = subject;
}
public int getSubjectId() {
return subjectId;
}
public void setSubjectId(int subjectId) {
this.subjectId = subjectId;
}
}
package v.esoft.pojos;
// Generated Oct 6, 2012 1:58:21 PM by Hibernate Tools 3.4.0.CR1
import java.util.Date;
/**
* Subjectdetails generated by hbm2java
*/
public class Subjectdetails implements java.io.Serializable {
private int subjectId;
private String subjectName;
private Integer createrId;
private Date createdDate;
private Integer updateId;
private Date updatedDate;
public Subjectdetails() {
}
public Subjectdetails(int subjectId) {
this.subjectId = subjectId;
}
public Subjectdetails(int subjectId, String subjectName, Integer createrId,
Date createdDate, Integer updateId, Date updatedDate) {
this.subjectId = subjectId;
this.subjectName = subjectName;
this.createrId = createrId;
this.createdDate = createdDate;
this.updateId = updateId;
this.updatedDate = updatedDate;
}
public int getSubjectId() {
return this.subjectId;
}
public void setSubjectId(int subjectId) {
this.subjectId = subjectId;
}
public String getSubjectName() {
return this.subjectName;
}
public void setSubjectName(String subjectName) {
this.subjectName = subjectName;
}
public Integer getCreaterId() {
return this.createrId;
}
public void setCreaterId(Integer createrId) {
this.createrId = createrId;
}
public Date getCreatedDate() {
return this.createdDate;
}
public void setCreatedDate(Date createdDate) {
this.createdDate = createdDate;
}
public Integer getUpdateId() {
return this.updateId;
}
public void setUpdateId(Integer updateId) {
this.updateId = updateId;
}
public Date getUpdatedDate() {
return this.updatedDate;
}
public void setUpdatedDate(Date updatedDate) {
this.updatedDate = updatedDate;
}
}
答案 0 :(得分：1)
使用id代替subjectId作为主键。
并再次创建您的SQL表和pojo。然后它会工作。