JSF 动态表格 写法

本文，记录了基于jsf api用java类写jsf动态表格，在此只记录个人所写，不代表任何立场，如对您有所帮助，荣幸之极。

1.java 类，需要import javax.faces.component.html.HtmlColumn;等。

/** * JSF 动态表格 * @return HtmlDataTable */ public HtmlDataTable getDefineDataTable(){ if(defineDataTable == null){ defineDataTable = new HtmlDataTable(); defineDataTable.setId("bugTable"); defineDataTable.setBorder(1); defineDataTable.setCellpadding("0"); defineDataTable.setCellspacing("0"); // HtmlColumnGroup columnGroup = new HtmlColumnGroup(); // // HtmlColumn header = new HtmlColumn(); HtmlOutputText headerText = new HtmlOutputText(); headerText.setValue("状态"); // header.getChildren().add(headerText); // columnGroup.getChildren().add(header); // // // //修改按钮 // HtmlColumn modify = new HtmlColumn(); HtmlOutputText text1 = new HtmlOutputText(); text1.setValue("操作"); // header.getChildren().add(text1); // columnGroup.getChildren().add(modify); HtmlColumn column = new HtmlColumn(); HtmlOutputText columnText = new HtmlOutputText(); FacesContext context = FacesContext.getCurrentInstance(); ELContext elcontext = context.getELContext(); ExpressionFactory ef = context.getApplication().getExpressionFactory(); ValueExpression value = ef.createValueExpression(elcontext, "#{bug.bg_Status}", String.class); columnText.setValueExpression("value",value); column.setHeader(headerText);//设置列名 column.getChildren().add(columnText); // defineDataTable.setHeader(columnGroup);//设置头 defineDataTable.getChildren().add(column);//设置列值 HtmlColumn column1 = new HtmlColumn(); HtmlCommandLink modifyLink = new HtmlCommandLink(); HtmlCommandLink deleteLink = new HtmlCommandLink(); modifyLink.setValue("修改"); deleteLink.setValue("删除"); column1.setHeader(text1);//设置列名 column1.getChildren().add(modifyLink); column1.getChildren().add(deleteLink); // modifyLink.setValueExpression(arg0, arg1);//绑定el表达式 // modifyLink.setActionExpression(actionExpression);//绑定方法 defineDataTable.getChildren().add(column1); } return defineDataTable; }

 

2.xxx.xhtml 文件部分

<h:form id="form1"> <h:dataTable id="bugTable" value="#{bugBean.dataModel}" var="bug" binding="#{bugBean.defineDataTable}" width="600px" columnClasses="col" cellspacing="1" rows="22" enableContextMenu="false" rowKeyVar="row" > <rich:column id="m"> <f:facet name="header"> <h:outputText value="编辑"/> </f:facet> <a4j:commandLink id="editlink"> <h:graphicImage value="#{resource['images:edit.gif']}" style="border:0" mce_style="border:0" /> </a4j:commandLink> </rich:column> <rich:column id="d"> <f:facet name="header"> <h:outputText value="删除"/> </f:facet> <a4j:commandLink id="deletelink"> <h:graphicImage value="#{resource['images:delete.gif']}" style="border:0" mce_style="border:0"/> </a4j:commandLink> </rich:column> <f:facet name="footer"> <rich:datascroller renderIfSinglePage="false"/> </f:facet> </h:dataTable> </h:form>