jsp遍历所有数据标签与转义标签(4)

 
      s = filter(s); 
 
      this.getJspContext().getOut().write(s); 
 
   } 
 
   //这个模版文件tomcat下也有，可以参考那个。转移标签模版文件： 
 
D:\java\Tomcat\apache-tomcat-6.0.18\webapps\examples\WEB-INF\classes\util 
 
  
 
    public String filter(String message) { 
 
  
 
           if (message == null) 
 
               return (null); 
 
  
 
           char content[] = newchar[message.length()]; 
 
           message.getChars(0, message.length(), content, 0); 
 
           StringBuffer result = new StringBuffer(content.length + 50); 
 
           for (int i = 0; i < content.length; i++) { 
 
               switch (content[i]) { 
 
               case'<': 
 
                   result.append("<"); 
 
                   break; 
 
               case'>': 
 
                   result.append(">"); 
 
                   break; 
 
               case'&': 
 
                   result.append("&"); 
 
                   break; 
 
               case'"': 
 
                   result.append(""");