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04-12-27

webwork2 中文问题 (Java学习)

王伟东发表于:04-12-27 13:26

1、webwork.properties文件中，添加：webwork.i18n.encoding = GBK它主要是用来设置WebWork UI标签库的编码，如果不设置它将通过System.getProperty("file.encoding")来获取默认字符编码。
2、velocity.properties文件中，添加：input.encoding=GBKoutput.encoding=GBKdefault.contentType=text/html; charset=GBK它是用来设置.vm页面的编码方式
3、写一个Filter，将编码设置为GBK。详细请看附件中的SetCharacterEncodingFilter文件和Web.xml的配置。它解决Action数据传递时的编码。
4、本文下面的源代码修改自\webwork\docs\wikidocs\TutorialLesson03.html并解决中文问题
SetCharacterEncodingFilter.java

 package EncodingFilter;
 import java.io.IOException;
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 public class SetCharacterEncodingFilter implements Filter {
 protected String encoding = null;
 protected FilterConfig filterConfig = null;
 protected boolean ignore = true;
 public void destroy() {
 this.encoding = null;
 this.filterConfig = null;
 }
 /**
  * Select and set (if specified) the character encoding to be used to
  * interpret request parameters for this request.
  *
  * @param request The servlet request we are processing
  * @param result The servlet response we are creating
  * @param chain The filter chain we are processing
  *
  * @exception IOException if an input/output error occurs
  * @exception ServletException if a servlet error occurs
  */
 public void doFilter(ServletRequest request, ServletResponse response,
       FilterChain chain)
 throws IOException, ServletException {
   if (ignore || (request.getCharacterEncoding() == null)) {
   String encoding = selectEncoding(request);
   if (encoding != null)
   request.setCharacterEncoding(encoding);
  }
  chain.doFilter(request, response);
 }
 
 /**
  * Place this filter into service.
  *
  * @param filterConfig The filter configuration object
  */
 public void init(FilterConfig filterConfig) throws ServletException {
  this.filterConfig = filterConfig;
  this.encoding = filterConfig.getInitParameter("encoding");
  String value = filterConfig.getInitParameter("ignore");
  if (value == null)
   this.ignore = true;
  else if (value.equalsIgnoreCase("true"))
   this.ignore = true;
  else if (value.equalsIgnoreCase("yes"))
   this.ignore = true;
  else
   this.ignore = false;
 }
 protected String selectEncoding(ServletRequest request) {
  return (this.encoding);
 }
 
}

web.xml

...  
  <filter>
        <filter-name>Encoding</filter-name>
        <filter-class>EncodingFilter.SetCharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>GBK</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>Encoding</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    ...

xwork.xml:

<!DOCTYPE xwork PUBLIC "-//OpenSymphony Group//XWork 1.0//EN"
"http://www.opensymphony.com/xwork/xwork-1.0.dtd">

<xwork>

<include file="webwork-default.xml" />


<package name="default" extends="webwork-default">
  
  <default-interceptor-ref name="defaultStack" />

  
  <action name="hello" class="lesson03.HelloAction">
   <result name="error" type="dispatcher">ex02-index.jsp</result>
   <result name="success" type="dispatcher">ex02-success.jsp</result>
  </action>
</package>
</xwork>

HelloAction.java:

 
package lesson03;
import com.opensymphony.xwork.ActionSupport;
public class HelloAction extends ActionSupport {
 String person;
 public String getPerson() {
  return person;
 }
 public void setPerson(String person) {
  this.person = person;
 }
 public String execute() throws Exception {
  if ((person == null) || (person.length() == 0)) return ERROR;
  else return SUCCESS;
 }
}

index.jsp

<html>
<head>
    <title>test webwork</title>
</head>
<body>
<form action="hello.action" method="post">
    <input type="text" name="person" value=""/>
    <input type="submit" value="Submit"/>
</form>
</body>
</html>

ex02-index.jsp:

<html>
<head>
<title>WebWork Tutorial - Lesson 3 - Example 2</title>
</head>

<body>

<p>What's your name?</p>

<form action="hello.action" method="post">
<p><input type="text" name="person" /><input type="submit" /></p>
</form>

</body>
</html>

ex02-success.jsp:

<%@ taglib uri="webwork" prefix="ww" %>
<html>
<head>
<title>WebWork Tutorial - Lesson 3 - Example 2</title>
</head>
<body>

Hello, <ww:property value="person" />

</body>
</html>