Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/java/370.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/3/android/210.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Jsf 操作侦听器返回值未更新为输入文本值_Jsf - Fatal编程技术网

Jsf 操作侦听器返回值未更新为输入文本值

Jsf 操作侦听器返回值未更新为输入文本值,jsf,Jsf,我从action listener调用了一个方法,该方法返回字符串,我计划在inputtext字段中更新它,当我尝试这样做时,我并没有在输入字段中获取值 我尝试使用process=“@this”,它完美地执行了操作,如果我删除了该操作,则不会更新该字段 //这是我的备用豆 public String getNameWithFormID(long id) { TMapper tMapper = new TDao(); map= new HashMap<>

我从action listener调用了一个方法,该方法返回字符串,我计划在inputtext字段中更新它,当我尝试这样做时,我并没有在输入字段中获取值

我尝试使用process=“@this”,它完美地执行了操作,如果我删除了该操作,则不会更新该字段

//这是我的备用豆

public String getNameWithFormID(long id) {
        TMapper tMapper = new TDao();
         map= new HashMap<>();
            List<TBean> tList = tMapper.getDistinctTName();

            for(TBean t1:tList) {
                map.put(t1.getID(), t1.getName());
            }
        System.out.println("id is"+id+"this is map in submit"+map);
        System.out.println("this is value of id"+map.get(id));
        return  map.get(id);
    }
公共字符串getNameWithFormID(长id){
TMapper TMapper=新的TDao();
map=新的HashMap();
List tList=tMapper.getDistinctTName();
用于(TBean t1:tList){
put(t1.getID(),t1.getName());
}
System.out.println(“id是”+id+”这是提交“+map”中的map);
System.out.println(“这是id的值”+map.get(id));
返回map.get(id);
}
//这是我的jsf代码

                   <p:commandButton  id = "formidid" value="ADD DATA TO FORM NAME" style="margin-right:20px;"  
                            styleClass="ui-priority-primary" process = "@form"  ajax = "true"
                             onclick ="hideshowAddCat();" actionListener ="#{tServices.getNameWithID(tBean.ID)}" update = ":formid:panelgridid" >


                    </p:commandButton>
                </div>
            <div class="ui-g-12 ui-lg-4" style="background:#f2f2f2;margin-top:15px;">                              
            <div class="card card-w-title">
            <label for="Nameid">FORM_NAME<i class="fa fa-asterisk" style="color: red;"></i></label>
                <p:panelGrid id = "panelgridid" columns="1" layout="grid" styleClass="ui-panelgrid-blank form-group">
                     <p:inputText id="Nameid" placeholder="FORM_NAME" value="#{tBean.formName}" required = "true">
                     </p:inputText>
                     output is <h:outputText value = "#{tBean.Name}"/>
                </p:panelGrid>    
            </div>
            </div>

表格名称
输出为

在JSF ajax更新中,无论更新中提到什么ID/ID,我们都需要重新呈现这些组件。这并不意味着分配这些值。如果希望该值与inputText绑定,请将该值分配给与inputText绑定的backingbean变量。因此,当您调用pass以更新inputText组件时,它将显示最新的值。将支持bean方法更新为

public void getNameWithFormID(long id) {

        TMapper tMapper = new TDao();
         map= new HashMap<>();
            List<TBean> tList = tMapper.getDistinctTName();

            for(TBean t1:tList) {
                map.put(t1.getID(), t1.getName());
            }
        System.out.println("id is"+id+"this is map in submit"+map);
        System.out.println("this is value of id"+map.get(id));
        this.formName = map.get(id); // Change is here (assuming that formName is class level variable, as directly bind to backing bean.
    }
public void getNameWithFormID(长id){
TMapper TMapper=新的TDao();
map=新的HashMap();
List tList=tMapper.getDistinctTName();
用于(TBean t1:tList){
put(t1.getID(),t1.getName());
}
System.out.println(“id是”+id+”这是提交“+map”中的map);
System.out.println(“这是id的值”+map.get(id));
this.formName=map.get(id);//这里有更改(假设formName是类级变量,直接绑定到支持bean)。
}

太好了,我想你可以接受并投票表决答案。;)谢谢你的反馈!声誉低于15的人所投的票会被记录下来,但不会改变公开显示的帖子分数。获得此响应吗