JSP自定义标签(三) 多选控件
2012-05-09 16:21
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一、效果图
二、标签定义代码
待续。。。。。。。。。。。。。。。
二、标签定义代码
package com.swcares.util.tags; import java.io.IOException; import javax.servlet.http.HttpServletRequest; import javax.servlet.jsp.JspException; import javax.servlet.jsp.JspWriter; import javax.servlet.jsp.tagext.TagSupport; /** * * @author HHB * * 多选自定义标签标签处理类 * */ public class MultiSelectorTag extends TagSupport { private static final long serialVersionUID = 1164199147616542853L; //标签name属性 private String name; //所需图片的路径 private String imgPath; //所需javascript文件的路径 private String scriptPaht; //所需css文件的路径 private String cssPath; //项目的根路径 private String rootPath; //标签的value属性 private String value; private HttpServletRequest request=null; public String getValue() { return value; } public void setValue(String value) { this.value = value; } public String getImgPath() { return imgPath; } public void setImgPath(String imgPath) { this.imgPath = imgPath; } public String getScriptPaht() { return scriptPaht; } public void setScriptPaht(String scriptPaht) { this.scriptPaht = scriptPaht; } public String getCssPath() { return cssPath; } public void setCssPath(String cssPath) { this.cssPath = cssPath; } public String getName() { return name; } public void setName(String name) { this.name = name; } /** * 初始化变量 */ private void initAbttributes() { request=(HttpServletRequest)this.pageContext.getRequest(); rootPath=request.getContextPath(); this.imgPath="/images/"; this.scriptPaht="/js/tags/"; this.cssPath="/css/"; } @Override public int doStartTag() throws JspException { initAbttributes(); JspWriter out=pageContext.getOut(); try { String tName=name; //引入javascript文件 out.println("<script type='text/javascript' charset='UTF-8' src='"+rootPath+scriptPaht+"multiSelector.js'></script>"); StringBuilder tag=new StringBuilder("<div style='display:inline;float:left;' "); tag.append("id='multiParent_").append(id).append("'>"); tag.append("</div>"); tag.append("<script type='text/javascript'>") .append("showMulti('multiParent_").append(id) .append("','").append(name) .append("','").append(id) .append("',\"").append(value) .append("\")") .append("</script>"); out.println(tag.toString()); } catch (IOException e) { e.printStackTrace(); } return SKIP_BODY; } }
待续。。。。。。。。。。。。。。。