使用 Spring Thymeleaf 重定向到另一个页面

Question

使用 Spring Thymeleaf 重定向到另一个页面

我想在按下“注册”按钮后从主页index.html（用户）重定向到他能够创建帐户的页面。然而，什么也没有发生。仅添加到地址：http://localhost:8080/DrinkShop注释在 /register 末尾

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>pl.myapp</groupId>
    <artifactId>DrinkShop</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>



    <name>DrinkShop</name>
    <description>Spring Application</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.3.RELEASE</version>
        <relativePath />
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
        </dependency>

        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>

            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>bootstrap</artifactId>
            <version>4.1.3</version>
        </dependency>

        <dependency>
            <groupId>org.webjars.bower</groupId>
            <artifactId>bootstrap</artifactId>
            <version>4.1.3</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

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来自index.html的href：

 <a th:href="@{/register}">Register</a>

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registerUser.html（在这种情况下可能是可选的）

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8"/>
<title>Drink Shop</title>
</head>
<body>
    <div th:replace="header :: header"></div>

    <h1>New user</h1>
    <form action="#" method="post" th:action="@{save}" th:object="${userNew}">
    <p>Username: <input type="text" th:field="*{username}"> </p>
    <p>Password: <input type="text" th:field="*{password}" /></p>
    <p>email: <input type="text" th:field="*{email}" /></p>
   <input type="submit" value="Save" />
    </form>

     <a th:href="@{/show}">Show all user</a>

     <div th:fragment="footer"></div>
</body>
</html>

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控制器

@Controller
public class HomeController {

    @GetMapping
    public String home(Model model) {
        model.addAttribute("userNew", new User());
        return "index";
    }

    @GetMapping("/register")
    public String register()
    {
        return "registerUser";
    }

}

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html 文件位于：DrinkShop\src\main\resources\templates

应用程序属性

spring.mvc.view.prefix=/views/
spring.mvc.view.suffix=.html

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Answer 1

小智 8

尝试这个：

    @GetMapping("/register")
    public String register()
    {
        return "redirect:/";
    }

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