42 lines
1.4 KiB
Java
42 lines
1.4 KiB
Java
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package com.sipai.controller.base;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.StringWriter;
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import java.util.Map;
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import freemarker.template.Configuration;
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import freemarker.template.Template;
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public class HtmlGenerator {
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/**
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* Generate html string.
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*
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* @param template the name of freemarker teamlate.
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* @param variables the data of teamlate.
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* @return htmlStr
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* @throws Exception
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*/
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public static String generate(String templateFile, Map<String,Object> variables) throws Exception{
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File file = new File(templateFile);
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if(!file.exists())
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throw new Exception("模板文件不存在："+templateFile);
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String templateDir = file.getParentFile().getPath();
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String templateName =file.getName();
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Configuration config = FreemarkerConfiguration.getConfiguation();
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//用于解决前端报空指针问题-->
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config.setClassicCompatible(true);
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config.setDirectoryForTemplateLoading(new File(templateDir));
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Template tp = config.getTemplate(templateName);
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StringWriter stringWriter = new StringWriter();
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BufferedWriter writer = new BufferedWriter(stringWriter);
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tp.setEncoding("UTF-8");
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tp.process(variables, writer);
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String htmlStr = stringWriter.toString();
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writer.flush();
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writer.close();
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return htmlStr;
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}
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}
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