freemarker.template.Template#setEncoding ( )源码实例Demo

/**
 * freemarker渲染html
 */
public static <T> String freeMarkerRender(T data, String htmlTmp) {
    Writer out = new StringWriter();
    try {
        // 获取模板,并设置编码方式
        Template template = freemarkerCfg.getTemplate(htmlTmp);
        template.setEncoding("UTF-8");
        // 合并数据模型与模板，将合并后的数据和模板写入到流中，这里使用的字符流
        template.process(data, out);
        out.flush();
        return out.toString();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            out.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
    return null;
}
 

/**
 * base freemarker genarate method
 * @param templateData
 * @param templateFileRelativeDir
 * @param templateFileName
 * @param targetFileAbsoluteDir
 * @param targetFileName
 */
private void gen(Object templateData, String templateFileRelativeDir, String templateFileName, String targetFileAbsoluteDir, String targetFileName){
    try{
        Configuration configuration = new Configuration();
        configuration.setClassForTemplateLoading(Application.class, templateFileRelativeDir);
        configuration.setObjectWrapper(new DefaultObjectWrapper());
        Template template = configuration.getTemplate(templateFileName);
        template.setEncoding(encoding);
        if(!targetFileAbsoluteDir.endsWith(File.separator))
            targetFileAbsoluteDir+=File.separator;
        FileUtil.mkdir(targetFileAbsoluteDir);
        Writer fw=new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(targetFileAbsoluteDir + targetFileName)),encoding));
        template.process(templateData, fw);
    }catch (Throwable e){
        logger.error("Can not found the template file, path is \"" + templateFileRelativeDir + templateFileName +".\"");
        e.printStackTrace();
        throw new RuntimeException("IOException occur , please check !! ");
    }
}
 

/**
 * log4j里加 log4j.logger.freemarker=fatal 过滤掉FM自身的error Log
 */
public static String fmParse( String str, Map<String, ?> data, Writer out, Configuration cfg ) {
	try {
		cfg.setNumberFormat("#"); // 防止数字类格式化，eg: 1000 变 1,000
     Template tl = new Template("t.ftl", new StringReader(str), cfg);
     tl.setEncoding("UTF-8");
     tl.process(data, out);
     str = out.toString();
     out.flush();
     
     return str;
    } 
    catch (Exception e) {
    	String errorMsg = "FM-parse-error:" + e.getMessage();
 	log.error(errorMsg);
 	log.debug("template = " + str + ", data = " + data);
 	
 	return errorMsg;
 }
}
 

private void generate(final String fileName) throws Exception {
    config.setClassForTemplateLoading(GenerateTestCases.class,"/");

    try (OutputStreamWriter writer =
                 new OutputStreamWriter(new FileOutputStream(new File("target", fileName)))){
        Template template = config.getTemplate(fileName, "UTF-8");
        template.setEncoding("UTF-8");
        template.process(null, writer);
    }
}
 

public String process(String path, Object context, String encoding)
		throws IOException, TemplateException {
	if (!init) {
		conf.setDirectoryForTemplateLoading(file);
		init = true;
	}

	Template template = conf.getTemplate(path);
	if (StringUtils.isBlank(encoding)) {
		template.setEncoding(encoding);
	}
	StringWriter sw = new StringWriter();
	template.process(context, sw);
	return sw.toString();
}