JAVA基础控件_JAVA技巧:wicket一些基础控件代码

仅限记录！wicket对所有控件设定都存放与Server，不知好是不好，感觉有些不靠谱！

package com.wicket.page;

import java.awt.Graphics2D;

import java.awt.image.renderable.RenderableImage;

import java.io.IOException;

import java.io.Serializable;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.apache.wicket.Component;

import org.apache.wicket.Page;

import org.apache.wicket.PageParameters;

import org.apache.wicket.behavior.IBehavior;

import org.apache.wicket.markup.html.WebMarkupContainer;

import org.apache.wicket.markup.html.WebMarkupContainerWithAssociatedMarkup;

import org.apache.wicket.markup.html.WebPage;

import org.apache.wicket.markup.html.basic.Label;

import org.apache.wicket.markup.html.basic.MultiLineLabel;

import org.apache.wicket.markup.html.border.Border;

import org.apache.wicket.markup.html.border.BoxBorder;

import org.apache.wicket.markup.html.border.Border.BorderBodyContainer;

import org.apache.wicket.markup.html.form.Button;

import org.apache.wicket.markup.html.form.Check;

import org.apache.wicket.markup.html.form.CheckBox;

import org.apache.wicket.markup.html.form.CheckBoxMultipleChoice;

import org.apache.wicket.markup.html.form.CheckGroup;

import org.apache.wicket.markup.html.form.CheckGroupSelector;

import org.apache.wicket.markup.html.form.DropDownChoice;

import org.apache.wicket.markup.html.form.Form;

import org.apache.wicket.markup.html.form.IChoiceRenderer;

import org.apache.wicket.markup.html.form.ListChoice;

import org.apache.wicket.markup.html.form.ListMultipleChoice;

import org.apache.wicket.markup.html.form.PasswordTextField;

import org.apache.wicket.markup.html.form.Radio;

import org.apache.wicket.markup.html.form.RadioChoice;

import org.apache.wicket.markup.html.form.RadioGroup;

import org.apache.wicket.markup.html.form.SubmitLink;

import org.apache.wicket.markup.html.form.TextArea;

import org.apache.wicket.markup.html.form.TextField;

import org.apache.wicket.markup.html.form.upload.FileUpload;

import org.apache.wicket.markup.html.form.upload.FileUploadField;

import org.apache.wicket.markup.html.form.validation.IFormValidator;

import org.apache.wicket.markup.html.image.Image;

import org.apache.wicket.markup.html.image.resource.RenderedDynamicImageResource;

import org.apache.wicket.markup.html.include.Include;

import org.apache.wicket.markup.html.link.BookmarkablePageLink;

import org.apache.wicket.markup.html.link.ExternalLink;

import org.apache.wicket.markup.html.link.IPageLink;

import org.apache.wicket.markup.html.link.Link;

import org.apache.wicket.markup.html.link.PageLink;

import org.apache.wicket.markup.html.list.ListItem;

import org.apache.wicket.markup.html.list.ListView;

import org.apache.wicket.markup.html.list.PageableListView;

import org.apache.wicket.markup.html.navigation.paging.PagingNavigator;

import org.apache.wicket.markup.html.panel.ComponentFeedbackPanel;

import org.apache.wicket.markup.html.panel.FeedbackPanel;

import org.apache.wicket.model.CompoundPropertyModel;

import org.apache.wicket.model.IModel;

import org.apache.wicket.model.Model;

import org.apache.wicket.model.PropertyModel;

import org.apache.wicket.util.file.File;

import org.apache.wicket.util.lang.Bytes;

import com.wicket.model.BookModel;

public class HelloWorldPage extends WebPage {

private static final long SVU = 1L;

private int count = 0;

public HelloWorldPage(){

//信息输出

Label label = new Label("message","Hello world!");

this.add(label);

MultiLineLabel linelabel = new MultiLineLabel("multimessage","Hello \nworld");

this.add(linelabel);

//容器

WebMarkupContainerWithAssociatedMarkup panel =

new WebMarkupContainerWithAssociatedMarkup("panel");

Label label1 = new Label("panel_label","这是被panel容纳进来的Label!");

panel.add(label1);

this.add(panel);

WebMarkupContainer webpanel =

new WebMarkupContainer("webpanel");

Label label2 = new Label("webpanel_label","这是被webpanel容纳进来的Label!");

webpanel.add(label2);

this.add(webpanel);

Border border = new BoxBorder("border");

Label label3 = new Label("border_label","这是被border容纳的label");

border.add(label3);

this.add(border);

this.add(new Include("include","inc/include.html"));

//超级链接控件

Link link = new Link("link") {@Override

public void onClick() {

count++;

}};　　link.add(new Label("count",new Model(){

public String getObject(){

return count+"";

}

}));

this.add(link);

ExternalLink externallink = new ExternalLink

("externallink","http://www.baidu.com","百度");

this.add(externallink);

PageLink pagelink = new PageLink("pagelink",new IPageLink(){

public Class extends Page> getPageIdentity() {

return TestPageLink.class;

}

public Page getPage(){

return new TestPageLink();

}

});

this.add(pagelink);

PageParameters pps = new PageParameters();

pps.put("id", 1);

BookmarkablePageLink bmplink =

new BookmarkablePageLink("bookmarkablepagelink",TestPageLink.class,pps);

this.add(bmplink);

//表单输入控件

final FeedbackPanel feed = new FeedbackPanel("errmsg");

//form表单的button组件

Form form = new Form("myform"){

protected void onSubmit(){

feed.info(loadonSubmit("你提交了button表单"));

}

};

Button button1 = new Button("button1"){

public void onSubmit(){

feed.info(loadonSubmit("你按下了button1"));

}

};

Button button2 = new Button("button2"){

public void onSubmit(){

feed.info(loadonSubmit("你按下了button2"));

}

};

form.add(button1);

form.add(button2);

this.add(feed);

this.add(form);

//form表单的Link组件

final FeedbackPanel feed1 = new FeedbackPanel("errmsg1");

Form linkform = new Form("myform1"){

protected void onSubmit(){

feed1.info(loadonSubmit("你提交了linkform表单"));

}

};

SubmitLink submitlink = new SubmitLink("submit_form_link"){

public void onSubmit(){

feed1.info(loadonSubmit("你按下了linkform的内部提交"));

}

};

SubmitLink submitlink1 = new SubmitLink("submit_link",linkform){

public void onSubmit(){

feed1.info(loadonSubmit("你按下了linkform的外部提交"));

}

};

linkform.add(submitlink);

this.add(submitlink1);

this.add(feed1);

this.add(linkform);

//文本输入控件

//只允许输入数字，且不能为空，默认值为"请输入测试字符"

TextField text = new TextField("textload",Integer.class);

text.setLabel(new Model("请输入测试字符"));

text.setRequired(true);

final ComponentFeedbackPanel feed2 = new ComponentFeedbackPanel("errmsg2",text);

Form textform = new Form("textform"){

protected void onSubmit(){

feed2.info(loadonSubmit("你提交了textform表单"));

}

};

textform.add(text);

this.add(feed2);

this.add(textform);

//密码输入控件

//只允许输入数字，且不能为空，默认值为"请输入测试字符"

PasswordTextField textpass = new PasswordTextField("text_pass");

final FeedbackPanel feed3 = new FeedbackPanel("errmsg3");

Form passform = new Form("passform"){

protected void onSubmit(){

feed3.info(loadonSubmit("你提交了passform表单"));

}

};

passform.add(textpass);

this.add(feed3);

this.add(passform);

//多行文本输入

TextArea textarea = new TextArea("textarea");

this.add(textarea);

//选择框

CheckBox checkbox = new CheckBox("checkboxbool");

this.add(checkbox);

//多项选择框

Listlist = new ArrayList();

list.add("1");

list.add("2");

list.add("3");

final HashMapmap = new HashMap();

map.put("1","语文");

map.put("2","数学");

map.put("3","英语");

//实现IChoiceRenderer接口以保存checkbox的显示文字与值　IChoiceRenderer renderer = new IChoiceRenderer(){

public Object getDisplayValue(Object object){

return map.get(object);

}

public String getIdValue(Object arg0, int arg1) {

return null;

}

};

CheckBoxMultipleChoice Onlysites=

new CheckBoxMultipleChoice("sites",list,renderer);

List ALLSITES = new ArrayList();

final Map ALLNAMES = new HashMap();

ALLSITES.add("1");

ALLSITES.add("2");

ALLSITES.add("3");

ALLNAMES.put("1", "语文");

ALLNAMES.put("2", "数学");

ALLNAMES.put("3", "英语");

Form allcheckform = new Form("allcheckform");

CheckGroup group = new CheckGroup("allcheckgroup",new ArrayList());

group.add(new CheckGroupSelector("allcheckgroupselector"));

ListView allsites = new ListView("allsites", ALLSITES) {

protected void populateItem(ListItem item) {

Object object=item.getModelObject();

item.add(new Check("allcheck", new

Model(Integer.toString(item.getIndex()))));

item.add(new Label("allcheckname",new Model((Serializable) ALLNAMES.get(object))));

}

};

this.add(onlysites);

group.add(allsites);

allcheckform.add(group);

this.add(allcheckform);

//下拉框

DropDownChoice dropdownchoice =

new DropDownChoice("dropsites",ALLSITES,renderer);

this.add(dropdownchoice);

//单选列表框

ListChoice listchoice =

new ListChoice("multiple",ALLSITES,renderer);

this.add(listchoice);

//单选组合框

ListMultipleChoice alllistchoice =

new ListMultipleChoice("allmultiple",ALLSITES,renderer);

this.add(alllistchoice);

RadioChoice radio =

new RadioChoice("onlyradio",ALLSITES,renderer);

this.add(radio);

//单选增强组合框

Form radioform = new Form("radioform");

add(radioform);

RadioGroup radiogroup=new RadioGroup("radiogroup");

radioform.add(radiogroup);

ListView radiosites = new ListView("radiosites", ALLSITES) {

protected void populateItem(ListItem item) {

Object object=item.getModelObject();

item.add(new Radio("radioradio", new Model(Integer.toString(item.getIndex()))));

item.add(new Label("radioname",new Model((Serializable) ALLNAMES.get(object))));

};

};

radiogroup.add(radiosites);

//静态图像

Image staticimg = new Image("staticimg","img/mks.jpg");

this.add(staticimg);

//动态图像

Image dynameicimg = new Image("dynameicimg",

new RenderedDynamicImageResource(200,100){

protected boolean render(Graphics2D graphics) {

graphics.drawString("看看生成以后的样子", 50, 50);

return true;

}

}

);

this.add(dynameicimg);

//文件上传

final FileUploadField fileup = new FileUploadField("upfileload");

Form upfileform = new Form("upfileform"){

protected void onSubmit(){

final FileUpload upload = fileup.getFileUpload();

if(upload!=null){

try {

upload.writeTo(new File("d:\\load\\1.txt"));

} catch (IOException e) {

e.printStackTrace();

}

}

super.onSubmit();

}

};

upfileform.add(fileup);

upfileform.setMultiPart(true);

upfileform.setMaxSize(Bytes.kilobytes(1000));

this.add(upfileform);

//数据列表

ListView listView = new ListView("listView", ALLSITES) {

protected void populateItem(ListItem item) {

String name = (String) ALLNAMES.get(item.getModelObject());

item.add(new Label("name", name));

item.add(new ExternalLink("url", (String) item.getModelObject()));

}

};

this.add(listView);

}

public final String loadonSubmit(String str){

String backstr = "";

if(this.getRequest().getParameter("uname") == null)

backstr = str + ";" + "请输入字符";

else

backstr = str + ";" + "你输入的字符为：" + this.getRequest().getParameter("uname");

return backstr;

}

}

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