Play2中inputRadioGroup的Java示例
我很难找到如何实现表单的单选按钮。我需要在这组中有5个RadionButton代表1到5级 表格: 控制器方法:Play2中inputRadioGroup的Java示例,java,forms,playframework,playframework-2.1,Java,Forms,Playframework,Playframework 2.1,我很难找到如何实现表单的单选按钮。我需要在这组中有5个RadionButton代表1到5级 表格: 控制器方法: private static final Form<MobileWriteReview> MOBILE_WRITE_REVIEW_FORM = form(MobileWriteReview.class); public static Result review(){ MobileWriteReview mobileWriteReview = new Mo
private static final Form<MobileWriteReview> MOBILE_WRITE_REVIEW_FORM = form(MobileWriteReview.class);
public static Result review(){
MobileWriteReview mobileWriteReview = new MobileWriteReview(3);
MOBILE_WRITE_REVIEW_FORM.fill(mobileWriteReview);
return ok(mobileInviteToReview.render(MOBILE_WRITE_REVIEW_FORM));
}
public static Result doReview(){
final Form<MobileWriteReview> filledForm = MOBILE_WRITE_REVIEW_FORM.bindFromRequest();
if (filledForm.hasErrors()) {
// User did not fill everything properly
return badRequest(mobileInviteToReview.render(filledForm));
} else {
// Everything was filled
return ok();
}
}
private static final Form MOBILE\u WRITE\u REVIEW\u Form=Form(MobileWriteReview.class);
公共静态结果审查(){
MobileWriteReview MobileWriteReview=新MobileWriteReview(3);
mobileWriteReview表格填写(mobileWriteReview);
返回ok(mobileInviteToReview.render(MOBILE\u WRITE\u REVIEW\u FORM));
}
公共静态结果doReview(){
final Form filledForm=MOBILE_WRITE_REVIEW_Form.bindFromRequest();
if(filledForm.hasErrors()){
//用户没有正确填写所有内容
返回badRequest(MobileInviterView.render(filledForm));
}否则{
//一切都填满了
返回ok();
}
}
view.scala.html
@(inviteForm: Form[_])
@styles = {
}
@scripts = {
}
@import helper._
@helper.form(routes.MobileInviteToReview.doReview) {
@if(inviteForm.hasGlobalErrors) {
<p class="error">
<span class="label label-important">@inviteForm.globalError.message</span>
</p>
}
@inputRadioGroup(
// appropriate code here
)
@(被邀请的形式:形式[\u])
@样式={
}
@脚本={
}
@导入助手_
@helper.form(routes.mobileinvidetoreview.doReview){
@if(inviteForm.hasGlobalErrors){
@inviteForm.globalError.message
}
@inputRadioGroup(
//这里有合适的代码
)
}
因此,我的问题是如何在控制器中设置窗体,然后在视图中使用它?首先,在控制器中呈现窗体时,您的代码出错 解决方案可能如下所示: 控制器:
private static final Form MOBILE\u WRITE\u REVIEW\u Form=Form.Form(MobileWriteReview.class);//此字段声明为最终字段
公共静态结果审查(){
MobileWriteReview MobileWriteReview=新MobileWriteReview(4);
Logger.info(“手机写评论等级=“+mobileWriterView.grade”);
//这是使用现有值填写表单的正确方法
返回ok(views.html.mobileInviterView.render(MOBILE\u WRITE\u REVIEW\u FORM.fill(mobileWriterView));
}
公共静态结果doReview(){
final Form filledForm=MOBILE_WRITE_REVIEW_Form.bindFromRequest();
MobileWriteReview MobileWriteReview=filledForm.get();
Logger.info(“提交的等级=”+MobileWriterView.Grade);
if(filledForm.hasErrors()){
//用户没有正确填写所有内容
返回badRequest(views.html.mobileInviterView.render(filledForm));
}否则{
//一切都填满了
返回ok(“提交的等级=”+mobileWriteReview.Grade);
}
}
视图:
@(inviteForm:Form[models.mobileWriterView])
@导入views.html.helper_
@main(title=“输入无线电组示例”){
@表单(action=routes.Application.doReview()){
@******此助手可以容纳单选按钮的选定值(如果存在)*****@
@inputRadioGroup(
邀请表格(“等级”),
选项=选项(“1”->“1”,“2”->“2”,“3”->“3”,“4”->“4”,“5”->“5”)
)
}
}
请参阅
inputRadioGroup
helper的文档。首先,您的代码在控制器中呈现表单时出错
解决方案可能如下所示:
控制器:
private static final Form MOBILE\u WRITE\u REVIEW\u Form=Form.Form(MobileWriteReview.class);//此字段声明为最终字段
公共静态结果审查(){
MobileWriteReview MobileWriteReview=新MobileWriteReview(4);
Logger.info(“手机写评论等级=“+mobileWriterView.grade”);
//这是使用现有值填写表单的正确方法
返回ok(views.html.mobileInviterView.render(MOBILE\u WRITE\u REVIEW\u FORM.fill(mobileWriterView));
}
公共静态结果doReview(){
final Form filledForm=MOBILE_WRITE_REVIEW_Form.bindFromRequest();
MobileWriteReview MobileWriteReview=filledForm.get();
Logger.info(“提交的等级=”+MobileWriterView.Grade);
if(filledForm.hasErrors()){
//用户没有正确填写所有内容
返回badRequest(views.html.mobileInviterView.render(filledForm));
}否则{
//一切都填满了
返回ok(“提交的等级=”+mobileWriteReview.Grade);
}
}
视图:
@(inviteForm:Form[models.mobileWriterView])
@导入views.html.helper_
@main(title=“输入无线电组示例”){
@表单(action=routes.Application.doReview()){
@******此助手可以容纳单选按钮的选定值(如果存在)*****@
@inputRadioGroup(
邀请表格(“等级”),
选项=选项(“1”->“1”,“2”->“2”,“3”->“3”,“4”->“4”,“5”->“5”)
)
}
}
请参阅
inputRadioGroup
helper的文档。在较新版本的Play中-我在2.2.x上-您需要通过视图中的helper
包访问表单帮助程序。因此,@form
成为@helper.form
,@inputRadioGroup
成为@helper。inputRadioGroup
,而options=options(…)
变成options=@helper.options(…)
。在较新版本的Play中-我在2.2.x上-您需要通过视图中的helper
包访问表单帮助程序。因此,@form
成为@helper.form
,@inputRadioGroup
成为@helper。inputRadioGroup
,而options=options(…)
变成options=@helper.options(…)
。
@(inviteForm: Form[_])
@styles = {
}
@scripts = {
}
@import helper._
@helper.form(routes.MobileInviteToReview.doReview) {
@if(inviteForm.hasGlobalErrors) {
<p class="error">
<span class="label label-important">@inviteForm.globalError.message</span>
</p>
}
@inputRadioGroup(
// appropriate code here
)
private static final Form<MobileWriteReview> MOBILE_WRITE_REVIEW_FORM = Form.form(MobileWriteReview.class); // this field declared as final
public static Result review(){
MobileWriteReview mobileWriteReview = new MobileWriteReview(4);
Logger.info("Mobile Write Review grade = " + mobileWriteReview.grade);
// this is proper way to fill the form using existing value
return ok(views.html.mobileInviteToReview.render(MOBILE_WRITE_REVIEW_FORM.fill(mobileWriteReview)));
}
public static Result doReview(){
final Form<MobileWriteReview> filledForm = MOBILE_WRITE_REVIEW_FORM.bindFromRequest();
MobileWriteReview mobileWriteReview = filledForm.get();
Logger.info("Grade submitted = " + mobileWriteReview.grade);
if (filledForm.hasErrors()) {
// User did not fill everything properly
return badRequest(views.html.mobileInviteToReview.render(filledForm));
} else {
// Everything was filled
return ok("Grade submitted = " + mobileWriteReview.grade);
}
}
@(inviteForm: Form[models.MobileWriteReview])
@import views.html.helper._
@main(title = "Input Radio Group Sample") {
@form(action = routes.Application.doReview()) {
@****** This helper can accomodate selected value of radio button if present *****@
@inputRadioGroup(
inviteForm("grade"),
options = options("1" -> "1", "2" -> "2", "3" -> "3", "4" -> "4", "5" -> "5")
)
<input type="submit" value="Post">
}
}