SpringBoot使用Thymeleaf自定義標(biāo)簽的實(shí)例代碼
此篇文章內(nèi)容僅限于 描述springboot與 thy 自定義標(biāo)簽的說(shuō)明,所以你在看之前,請(qǐng)先會(huì)使用springboot和thymeleaf!!
之前寫(xiě)過(guò)一篇是springMVC與thymeleaf 的自定義標(biāo)簽(屬于自定義方言的屬性一塊,類(lèi)似thy的th:if和th:text等)文章,如果你想了解,以下是地址:
點(diǎn)擊>>Thymeleaf3.0自定義標(biāo)簽屬性
這篇例子可以實(shí)現(xiàn)你的分頁(yè)標(biāo)簽實(shí)現(xiàn)等功能,不會(huì)講一堆的廢話和底層的原理(自行百度),屬于快速上手教程,請(qǐng)認(rèn)真看以下內(nèi)容!
PS: 請(qǐng)?jiān)试S我將thymeleaf簡(jiǎn)稱(chēng)thy,springboot簡(jiǎn)稱(chēng)sb
依然直奔主題,sb本身是自帶thy的,而且使用方式也很簡(jiǎn)單,直接配置application.properties 這個(gè)文件就可以了,當(dāng)然你不配也是可以的。但是,需要配置自定義方言的話,就需要自己把配置重新寫(xiě)出來(lái),看下面代碼:
說(shuō)明:RiskDialect是我自己的自定義標(biāo)簽,而且從這個(gè)配置可以簡(jiǎn)單看出,spring視圖的配置通過(guò)注解的方式將thymeleaf配置進(jìn)去了
@Configurationpublic class TemplateEngineConfig{ @Bean public ContentNegotiatingViewResolver getViewResolver(){ ServletContextTemplateResolver templateResolver=new ServletContextTemplateResolver(); templateResolver.setPrefix('/WEB-INF/views/'); templateResolver.setSuffix('.html'); templateResolver.setTemplateMode('HTML5'); templateResolver.setCacheable(false); templateResolver.setCharacterEncoding('UTF-8'); Set<IDialect> additionalDialects=new LinkedHashSet<IDialect>(); //自定義方言 additionalDialects.add(new RiskDialect()); SpringTemplateEngine templateEngine = new SpringTemplateEngine(); templateEngine.setAdditionalDialects(additionalDialects); templateEngine.setTemplateResolver(templateResolver); ThymeleafViewResolver thymeleafViewResolver = new ThymeleafViewResolver(); thymeleafViewResolver.setTemplateEngine(templateEngine); thymeleafViewResolver.setCharacterEncoding('UTF-8'); thymeleafViewResolver.setOrder(1); List<ViewResolver> viewResolvers= new ArrayList<>(); viewResolvers.add(thymeleafViewResolver); ContentNegotiatingViewResolver viewResolver = new ContentNegotiatingViewResolver(); viewResolver.setViewResolvers(viewResolvers); return viewResolver; }}
接下來(lái)看RiskDialect實(shí)現(xiàn):
說(shuō)明:SanstitvEncryptProcessor這個(gè)類(lèi)是 thymeleaf處理器,用來(lái)處理定義方言邏輯的
package com.garc.thymeleaf.dialect; import org.springframework.stereotype.Component;import org.thymeleaf.dialect.AbstractDialect;import org.thymeleaf.dialect.AbstractXHTMLEnabledDialect;import org.thymeleaf.processor.IProcessor; import java.util.HashSet;import java.util.Set; /** * Created by Garc on 2018/1/17. */public class RiskDialect extends AbstractDialect { private static final String PREFIX='risk'; private static final String ELEMENT_NAME='sanstitv'; @Override public String getPrefix() { return PREFIX; } @Override public Set<IProcessor> getProcessors() { final Set<IProcessor> processors = new HashSet<>(); processors.add(new SanstitvEncryptProcessor(ELEMENT_NAME)); return processors; }}
繼續(xù)看SanstitvEncryptProcessor這個(gè)類(lèi):
package com.garc.thymeleaf.dialect; import org.springframework.context.ApplicationContext;import org.thymeleaf.Arguments;import org.thymeleaf.dom.Element;import org.thymeleaf.dom.Node;import org.thymeleaf.dom.Text;import org.thymeleaf.processor.ProcessorResult;import org.thymeleaf.processor.element.AbstractElementProcessor;import org.thymeleaf.processor.element.AbstractMarkupSubstitutionElementProcessor;import org.thymeleaf.spring4.context.SpringWebContext; import java.util.ArrayList;import java.util.List; /** * Created by Garc on 2018/1/17. */public class SanstitvEncryptProcessor extends AbstractMarkupSubstitutionElementProcessor { protected SanstitvEncryptProcessor(String elementName) { super(elementName); } @Override protected List<Node> getMarkupSubstitutes(Arguments arguments, Element element) { final Element container = new Element('div'); final Text text = new Text('是的,這是測(cè)試'); container.addChild(text); final List<Node> nodes = new ArrayList<>(); nodes.add(container); return nodes; } @Override public int getPrecedence() { return 1000; } }
html使用方式:
risk:sanstitv 是我自定義用的標(biāo)簽
<!DOCTYPE html><html lang='en' xmlns='http://www.w3.org/1999/xhtml' xmlns:th='http://www.thymeleaf.org' xmlns:risk='http://www.w3.org/1999/xhtml'> <head> <meta content='text/html;charset=UTF-8'></meta> <title>Title</title> </head> <body> <span th:text='${test}'></span> <risk:sanstitv path='測(cè)試'></risk:sanstitv> </body></html>
以上這篇SpringBoot使用Thymeleaf自定義標(biāo)簽的實(shí)例代碼就是小編分享給大家的全部?jī)?nèi)容了,希望能給大家一個(gè)參考,也希望大家多多支持好吧啦網(wǎng)。
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