[英]How can I pass object to thymeleaf template and access its attributes?
Is it possible to pass object let's say User (who contains 3 String attributes - name, password, detail) to thymeleaf template via context myContext.setVariable("user", myUser)
and access it attributes from template like this <div th:text="${user.name}"/>
? 是否可以通过上下文
myContext.setVariable("user", myUser)
将对象(假设用户包含3个字符串属性-名称,密码,详细信息)传递给百里香模板myContext.setVariable("user", myUser)
并从模板中访问它的属性,例如<div th:text="${user.name}"/>
吗?
If so how can I do that ? 如果可以,我该怎么做?
My object contains a lot of attributes and I am trying to avoid creating context with a lot of variables. 我的对象包含很多属性,并且我试图避免创建带有很多变量的上下文。
I am very new to thymeleaf so thank you for any help. 我对百里香叶很陌生,因此感谢您的帮助。
If you are using spring and thymeleaf then they should work for you like a charm. 如果您使用弹簧和百里香,那么它们应该像魅力一样为您工作。 In the case it's as simple as:
在这种情况下,它很简单:
private static final VAR_USER = "user"
@Autowired
private SpringTemplateEngine templateEngine;
...
public void method(User user,...) {
Map<String, Object> variables;
variables.put(VAR_USER, user);
context.setVariables(variables);
org.thymeleaf.context.Context context = new Context(locale);
String evaluated = templateEngine.process("myTemplate", context);
}
where myTemplate refers to resources/mails/myTemplate.html
and it's content looks like: myTemplate指向
resources/mails/myTemplate.html
,其内容如下所示:
<p th:text="#{email.userActivity.greeting}">Hello</p>
<p th:text="#{email.userActivity.text1}">Following user activity...</p>
<ul>
...
<li th:text="#{email.userActivity.phone(${user.phoneNumber}?: #{error.not.provided})}">Phone number:</li>
<li th:text="#{email.userActivity.membershipNumber(${user.membershipNumber}?: #{error.not.provided})}">Membership number:</li>
...
</ul>
<p th:text="#{email.userActivity.text2}">Thanks for taking care of this demand within the agreed period!</p>
<p th:text="#{email.userActivity.text3}">Regards</p>
and my User
entity 和我的
User
实体
public class User implements Serializable {
...
@Column(name = "membership_number")
private String membershipNumber;
@Column(name = "phone_number")
private String phoneNumber;
...
}
Then, my Thymeleaf configuration: 然后,我的Thymeleaf配置:
package my.package.config;
import my.package.MyTemplateEngine;
import org.apache.commons.lang3.CharEncoding;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Description;
import org.thymeleaf.templatemode.TemplateMode;
import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
import org.thymeleaf.templateresolver.ITemplateResolver;
import org.thymeleaf.templateresolver.StringTemplateResolver;
@Configuration
public class ThymeleafConfiguration {
private MyTemplateEngine templateEngine;
@Bean
@Description("Thymeleaf template resolver serving HTML 5 emails from template file")
public ITemplateResolver htmlTemplateResolver() {
ClassLoaderTemplateResolver emailTemplateResolver = new ClassLoaderTemplateResolver();
emailTemplateResolver.setPrefix("mails/");
emailTemplateResolver.setSuffix(".html");
emailTemplateResolver.setTemplateMode(TemplateMode.HTML);
emailTemplateResolver.setCharacterEncoding(CharEncoding.UTF_8);
emailTemplateResolver.setCheckExistence(true);
return emailTemplateResolver;
}
@Description("Thymeleaf template resolver serving HTML 5 emails from input string")
@Bean
public ITemplateResolver stringTemplateResolver() {
final StringTemplateResolver templateResolver = new StringTemplateResolver();
templateResolver.setTemplateMode(TemplateMode.HTML);
return templateResolver;
}
@Bean
public MyTemplateEngine createTemplateEngine() {
templateEngine = new MyTemplateEngine();
return templateEngine;
}
}
and the version of Thymeleaf that I use: 以及我使用的Thymeleaf版本:
<properties>
...
<thymeleaf-layout-dialect.version>2.2.1</thymeleaf-layout-dialect.version>
<thymeleaf.version>3.0.6.RELEASE</thymeleaf.version>
...
</properties>
<dependencies>
...
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf</artifactId>
<version>3.0.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring4</artifactId>
<version>3.0.6.RELEASE</version>
</dependency>
...
</dependencies>
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