?? mytag.java
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package jsptag;import javax.servlet.jsp.JspException;import javax.servlet.jsp.tagext.TagSupport;public class MyTag extends TagSupport {private String type = "text";//text: \u6587\u672C select\uFF1A\u9009\u62E9public int doStartTag() throws JspException {StringBuffer html = new StringBuffer();if(type.equals("text")){html.append("Hello World");}else if(type.equals("select")){html.append("<select>\n");html.append("<option value=\"1\">hello 1</option>\n");html.append("<option value=\"2\">hello 2</option>\n");html.append("</select>\n");}else{throw new JspException("style define wrong!");}try {pageContext.getOut().write(html.toString());} catch (Exception e) {e.printStackTrace();throw new JspException("write error!");}return SKIP_BODY;}public void setType(String string) {type = string;}}?? 快捷鍵說明
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