image-20190523141856765

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server:

port: 8088 #服务端口

spring:

application:

name: test‐freemarker #指定服务名 freemarker:

cache: false #关闭模板缓存，方便测试 settings:

template_update_delay: 0 #检查模板更新延迟时间，设置为0表示立即检查，如果时间大于0会有缓存不方便 进行模板测试

image-20190523142449438

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<artifactId>test-freemarker</artifactId> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-freemarker</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </dependency> <dependency> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> </dependency> </dependencies> </project>

List 指令

image-20190523142758059

Map指令

image-20190523142828848

image-20190523142848840

IF指令

image-20190523142906848

image-20190523143158954

2 使用模板文件静态化

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@SpringBootTest
@RunWith(SpringRunner.class)
public class FreemarkerTest {

    //基于模板生成静态化文件
    @Test
    public void testGenerateHtml() throws IOException, TemplateException {
        //创建配置类
        Configuration configuration=new Configuration(Configuration.getVersion());
        String classpath = this.getClass().getResource("/").getPath();
        //设置模板路径
        configuration.setDirectoryForTemplateLoading(new File(classpath + "/templates/"));
        //设置字符集
        configuration.setDefaultEncoding("utf-8");
        //加载模板
        Template template = configuration.getTemplate("test1.ftl");
        //数据模型
        Map map = getMap();
        //静态化
        String content = FreeMarkerTemplateUtils.processTemplateIntoString(template, map);
        //静态化内容
        System.out.println(content);
        InputStream inputStream = IOUtils.toInputStream(content);
        //输出文件
        FileOutputStream fileOutputStream = new FileOutputStream(new File("d:/test1.html"));
        int copy = IOUtils.copy(inputStream, fileOutputStream);
    }
    
    
    
        //数据模型
    private Map getMap(){
        Map<String, Object> map = new HashMap<>();
        //向数据模型放数据
        map.put("name","黑马程序员");
        Student stu1 = new Student();
        stu1.setName("小明");
        stu1.setAge(18);
        stu1.setMondy(1000.86f);
        stu1.setBirthday(new Date());
        Student stu2 = new Student();
        stu2.setName("小红");
        stu2.setMondy(200.1f);
        stu2.setAge(19);
//        stu2.setBirthday(new Date());
        List<Student> friends = new ArrayList<>();
        friends.add(stu1);
        stu2.setFriends(friends);
        stu2.setBestFriend(stu1);
        List<Student> stus = new ArrayList<>();
        stus.add(stu1);
        stus.add(stu2);
        //向数据模型放数据
        map.put("stus",stus);
        //准备map数据
        HashMap<String,Student> stuMap = new HashMap<>();
        stuMap.put("stu1",stu1);
        stuMap.put("stu2",stu2);
        //向数据模型放数据
        map.put("stu1",stu1);
        //向数据模型放数据
        map.put("stuMap",stuMap);
        return map;
    }
}

⭐️基于模板字符串生成静态化文件

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@Test
    public void testGenerateHtmlByString() throws IOException, TemplateException {
        //创建配置类
        Configuration configuration=new Configuration(Configuration.getVersion());
        //获取模板内容
        //模板内容，这里测试时使用简单的字符串作为模板
        String templateString="" +
                "<html>\n" +
                "    <head></head>\n" +
                "    <body>\n" +
                "    名称：${name}\n" +
                "    </body>\n" +
                "</html>";

        //加载模板
        //模板加载器
        StringTemplateLoader stringTemplateLoader = new StringTemplateLoader();
        stringTemplateLoader.putTemplate("template",templateString);
        configuration.setTemplateLoader(stringTemplateLoader);
        Template template = configuration.getTemplate("template","utf-8");

        //数据模型
        Map map = getMap();
        //静态化
        String content = FreeMarkerTemplateUtils.processTemplateIntoString(template, map);
        //静态化内容
        System.out.println(content);
        InputStream inputStream = IOUtils.toInputStream(content);
        //输出文件
        FileOutputStream fileOutputStream = new FileOutputStream(new File("d:/test1.html"));
        IOUtils.copy(inputStream, fileOutputStream);
    }

    //数据模型
    private Map getMap(){
        Map<String, Object> map = new HashMap<>();
        //向数据模型放数据
        map.put("name","黑马程序员");
        Student stu1 = new Student();
        stu1.setName("小明");
        stu1.setAge(18);
        stu1.setMondy(1000.86f);
        stu1.setBirthday(new Date());
        Student stu2 = new Student();
        stu2.setName("小红");
        stu2.setMondy(200.1f);
        stu2.setAge(19);
//        stu2.setBirthday(new Date());
        List<Student> friends = new ArrayList<>();
        friends.add(stu1);
        stu2.setFriends(friends);
        stu2.setBestFriend(stu1);
        List<Student> stus = new ArrayList<>();
        stus.add(stu1);
        stus.add(stu2);
        //向数据模型放数据
        map.put("stus",stus);
        //准备map数据
        HashMap<String,Student> stuMap = new HashMap<>();
        stuMap.put("stu1",stu1);
        stuMap.put("stu2",stu2);
        //向数据模型放数据
        map.put("stu1",stu1);
        //向数据模型放数据
        map.put("stuMap",stuMap);
        return map;
    }
}