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Spring Boot入门(web+freemarker)

程序员文章站 2023-12-18 14:25:52
1.配置maven文件pom.xml

1.配置maven文件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>com.hdwang</groupid>
  <artifactid>spring-boot-test</artifactid>
  <version>1.0-snapshot</version>
  <name>spring-boot-test</name>
  <description>project for test spring boot</description>
  <properties>
    <project.build.sourceencoding>utf-8</project.build.sourceencoding>
    <java.version>1.8</java.version>
  </properties>
  <!-- inherit defaults from spring boot -->
  <parent>
    <groupid>org.springframework.boot</groupid>
    <artifactid>spring-boot-starter-parent</artifactid>
    <version>1.5.4.release</version>
    <relativepath/>
  </parent>
  <dependencies>
    <!-- add typical dependencies for a web application -->
    <dependency>
      <groupid>org.springframework.boot</groupid>
      <artifactid>spring-boot-starter-web</artifactid>
    </dependency>
    <dependency>
      <groupid>org.springframework.boot</groupid>
      <artifactid>spring-boot-starter-freemarker</artifactid>
    </dependency>
    <!-- auto redeploy -->
    <dependency>
      <groupid>org.springframework.boot</groupid>
      <artifactid>spring-boot-devtools</artifactid>
      <optional>true</optional>
    </dependency>
  <!-- package as an executable jar -->
  <build>
    <plugins>
      <plugin>
        <groupid>org.springframework.boot</groupid>
        <artifactid>spring-boot-maven-plugin</artifactid>
      </plugin>
    </plugins>
  </build>
</project>

2.文件结构(static/templates/application.properties/logback.xml的名称都是约定好了的,只可以使用某几个名称,具体参考spring boot官方文档,下面的名称是其中一种配置方式)

Spring Boot入门(web+freemarker)

3.建立启动类(放在顶层,子层(下级文件夹)的类方可被扫描注入)

@springbootapplication
public class application {
  /**
   * main function
   * @param args params
   */
  public static void main(string[] args){
    springapplication.run(application.class,args);
  }
}

 4.建立controller(在application类的下级目录中)

@controller
@requestmapping("/common")
public class common {
  @value("${msg:welcome!}")
  private string msg;
  /**
   * get a page
   * @return a page with name called return value
   */
  @requestmapping("login")
  public string getloginpage(modelmap map){
    map.put("welcomemsg",this.msg);
    return "login";
  }
}

5.建立网页模板login.ftl(freemarker必须使用ftl后缀,被这个坑了好久!js/css啥的都放在相应文件夹下,注意访问路径中不带/static,也被这个坑了好久!)

<!doctype html>
<html>
<head>
  <meta charset="utf-8" />
  <title>login</title>
  <link href="/css/home.css" rel="external nofollow" rel="stylesheet" type="text/css" />
  <script type="text/javascript" src="/js/jquery-2.0.3.min.js"></script>
  <script type="text/javascript" src="/js/home.js"></script>
</head>
<body>
<h1>login page</h1>
<h2>${welcomemsg}</h2>
<form>
  <div>
   <label>用户名:<input type="text" id="username"/></label>
  </div>
  <div>
   <label>密码:<input type="password"/></label>
  </div>
  <div>
    <input type="submit" value="提交"/>
    <input type="reset" value="重置" />
  </div>
</form>
</body>
</html>

6.应用配置文件编写

新建application.properties文件并添加以下内容

msg=ladies and gentleman,welcome!

7.启动运行

浏览器中访问:

Spring Boot入门(web+freemarker)

8.部署

mvn package 打个包

java -jar xxx.jar 运行这个包即可  

以上所述是小编给大家介绍的spring boot入门(web+freemarker),希望对大家有所帮助

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