无法在Spring Boot中加载CSS

范成周

2023-03-14

问题内容：

我是spring框架工作和spring boot的新手。我正在尝试使用CSS，javascript，js添加静态html文件。文件结构是

和我的html文件头看起来像这样

<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>HeavyIndustry by HTML5Templates.com</title>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <meta name="description" content="" />
    <meta name="keywords" content="" />

    <link rel="stylesheet" type="text/css" media="all" href="css/5grid/core.css" th:href="@{css/5grid/core}" />
    <link rel="stylesheet" type="text/css" href="css/5grid/core-desktop.css" />
    <link rel="stylesheet" type="text/css" href="css/5grid/core-1200px.css" />
    <link rel="stylesheet" type="text/css" href="css/5grid/core-noscript.css" />
    <link rel="stylesheet" type="text/css" href="css/style.css" />
    <link rel="stylesheet" type="text/css" href="css/style-desktop.css" />

    <script src="css/5grid/jquery.js" type="text/javascript"></script>
    <script src="css/5grid/init.js?use=mobile,desktop,1000px&amp;mobileUI=1&amp;mobileUI.theme=none" type="text/javascript"></script>
    <!--[if IE 9]><link rel="stylesheet" href="css/style-ie9.css" /><![endif]-->
</head>

当我运行spring项目时，仅显示内容且未应用CSS。然后浏览器在控制台中显示以下错误 .css，.js文件的404 Not Found错误

有人帮助我解决了这个问题。

问题答案：

你需要放入CSS /resources/static/css。此更改为我解决了问题。这是我当前的目录结构。

src
  main
    java
      controller
        WebAppMain.java
    resources
      views
        index.html
      static
        css
          index.css
          bootstrap.min.css

这是我的模板解析器：

public class WebAppMain {

  public static void main(String[] args) {
    SpringApplication app = new SpringApplication(WebAppMain.class);
    System.out.print("Starting app with System Args: [" );
    for (String s : args) {
      System.out.print(s + " ");
    }
    System.out.println("]");
    app.run(args);
  }


  @Bean
  public ViewResolver viewResolver() {
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setTemplateMode("XHTML");
    templateResolver.setPrefix("views/");
    templateResolver.setSuffix(".html");

    SpringTemplateEngine engine = new SpringTemplateEngine();
    engine.setTemplateResolver(templateResolver);

    ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
    viewResolver.setTemplateEngine(engine);
    return viewResolver;
  }
}

以防万一，这是我的index.html：

<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring3-3.dtd">
<html lang="en" xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Subscribe</title>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />

        <!-- Bootstrap -->
    <link type="text/css" href="css/bootstrap.min.css" rel="stylesheet" />
    <link type="text/css" href="css/index.css" rel="stylesheet" />
</head>
<body>
<h1> Hello</h1>
<p> Hello World!</p>

    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="js/bootstrap.min.js"></script>
</body>
</html>

无法在Spring Boot中加载CSS

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