JavaWeb之JSP自定义标签实例(属性:字体颜色、字体大小、链接地址) |
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自定义标签功能: 可以链接到网页: 名称:Mya 属性:字体颜色、字体大小、链接地址 Java类(继承TagSupport): package com.test; import javax.servlet.jsp.JspException; import javax.servlet.jsp.JspWriter; import javax.servlet.jsp.tagext.TagSupport; public class Mya extends TagSupport { private String color = ""; private String size = ""; private String url = ""; public void setColor(String color) { this.color = color; } public void setSize(String size) { this.size = size; } public void setUrl(String url) { this.url = url; } @Override public int doStartTag() throws JspException { try { JspWriter out = pageContext.getOut(); out.print(""); } catch (Exception e) { System.out.println(e); } return EVAL_PAGE; } @Override public int doEndTag() throws JspException { try{ JspWriter out = pageContext.getOut(); out.print(""); }catch (Exception e) { System.out.println(e); } return EVAL_PAGE; } }TLD文件(配置标签信息,映射java类): 1.0 mya /WEB-INF/tlds/mya mya scriptless com.test.Mya show a freestyle color false false size false false url true false测试页面(JSP) Mya baidu运行结果: |
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