在struts2,你可以使用<s:textarea>创建html textarea文本域。为了比较直观的学习,这里创建一个web工程为:struts2textarea。整个工程的目录结构如下:
<s:textarea label="address" name="address" cols="40" rows="10"/>
它会呈现为如下面的html代码。
<textarea name="address" cols="40" rows="10" id="formaction_address"></textarea>
页面包含一个地址textarea字段域,并显示 textarea的值在表单提交后。
textareaaction.java
package com.h3.common.action; import com.opensymphony.xwork2.actionsupport; public class textareaaction extends actionsupport{ private string address; public string getaddress() { return address; } public void setaddress(string address) { this.address = address; } public string execute() { return success; } }
struts2的“s:textarea”标签来创建一个textarea文本域字段。
textarea.jsp
<%@ taglib prefix="s" uri="/struts-tags" %> <html> <head> </head> <body> <h1>struts2 文本域实例</h1> <s:form action="hellotextarea" namespace="/"> <h2> <s:textarea label="address" name="address" cols="40" rows="10"/> </h2> <s:submit value="submit" name="submit" /> </s:form> </body> </html>
welcome.jsp
<%@ taglib prefix="s" uri="/struts-tags" %> <html> <body> <h1>struts2文本域实例</h1> <h2> <s:property value="address"/> </h2> </body> </html>
<?xml version="1.0" encoding="utf-8" ?> <!doctype struts public "-//apache software foundation//dtd struts configuration 2.0//en" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devmode" value="true" /> <package name="" namespace="/" extends="struts-default"> <action name="textarea"> <result>/pages/textarea.jsp</result> </action> <action name="hellotextarea" class="com.h3.common.action.textareaaction"> <result name="success">/pages/welcome.jsp</result> </action> </package> </struts>
http://localhost:8080/struts2textarea/textarea.action