用freemarker生成静态网页，数据模型替换的问题

String templeHtml = "<ul>{Tag:type=体育&pagesize=5}</ul><ul>{Tag:type=娱乐&pagesize=5}</ul>";   

        String htmlCode = "";   

        String beginTag = "{Tag:";   

        String endTag = "}";   

        boolean isFind = false;   

        int myPos = 0;   

        int myPosE = 0;   

        int  StartPos = 0;            //'在循环中记录当前已经处理到的位置   

        String tagName = "";   

           

        while (!isFind) {   

            myPos = templeHtml.indexOf(beginTag,StartPos);   

            if (myPos ==-1 ) {                               

                htmlCode += templeHtml.substring(StartPos);                   

                isFind = true;       

            } else {   

                //如果找到了标记起点   

                //先将这个标记起点和上一个标记终点之间的代码保存到HtmlCode                   

                htmlCode += templeHtml.substring(StartPos,myPos);                  

                myPosE = templeHtml.indexOf(endTag,myPos);    

                tagName = templeHtml.substring(myPos+5, myPosE);   

               // tagName = templeHtml.substring(myPos, myPosE+1);   

                String[] arrayTagName = tagName.split("&");   

                String context = "";   

                for (int i = 0; i < arrayTagName.length;i++) {   

                    String[] arrayArgs = arrayTagName[i].split("=");   

                    String argsName = arrayArgs[0];  //参数名称   

                    String argsValue = arrayArgs[1]; //参数值   

                    if (argsName.equals("type")) {   

                        if (argsValue.equals("体育"))   

                            context = "<li>李宁冠军</li>";   

                        else  

                            context = "<li>刘德华演唱会</li>";   

                           

                    }   

                    if (argsName.equals("pagesize")) {   

                        for ( int k = 0; k < Integer.valueOf(argsValue); k++) {   

                             htmlCode += context;   

                        }   

                    }    

                }                  

                  

                String ss = templeHtml.substring(myPosE);                                 

                StartPos = (myPosE+1);    

            }   

           System.out.println("---------->"+htmlCode);   

        }   

    }  

		public void doExecute(String location, ActionInvocation invocation) throws IOException, TemplateException {

		    this.location = location;

		    this.invocation = invocation;

		    this.configuration = getConfiguration();

		    this.wrapper = getObjectWrapper();

		    this.fileName = (String) conditionalParse(fileName, invocation);

		    this.staticTemplate = (String) conditionalParse(staticTemplate, invocation);

		    this.filePath = ((String) conditionalParse(filePath, invocation)) == null ?"":((String) conditionalParse(filePath, invocation));

		    if (!location.startsWith("/")) {

		        ActionContext ctx = invocation.getInvocationContext();

		        HttpServletRequest req = (HttpServletRequest) ctx.get(ServletActionContext.HTTP_REQUEST);

		        String base = ResourceUtil.getResourceBase(req);

		        location = base + "/" + location;

		    }

		    //跳转页面的模板类

		    Template template = configuration.getTemplate(location, deduceLocale());

		    //转换静态页面的的模板类

		    Template staticTemplate = configuration.getTemplate(this.staticTemplate,deduceLocale()); 

		    TemplateModel model = createModel();

		    String path = ServletActionContext.getServletContext().getRealPath(filePath)+ File.separator;

		    Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(path + fileName)));

			    if (preTemplateProcess(template, model)) {

			        try {

			        	//在指定路径生成静态页面

			            staticTemplate.process(model, out);

			            //生成跳转的页面

			            template.process(model, getWriter());

			        } finally {

			            postTemplateProcess(template, model);

			            postTemplateProcess(staticTemplate, model);

			        }

			    }

		}