java - 如何禁用 Spring Boot 安全性-6ren

java - 如何禁用 Spring Boot 安全性

转载作者：太空宇宙更新时间：2023-11-04 09:47:28

场景:将父 POM 扩展到子 POM。所以 spring-boot-starter-security 被继承了。

通常，如果触发，http://localhost:9000/，控件将到达定义以下方法的 Controller 类:

@GetMapping("/")
public String main(Model model, @RequestHeader HttpHeaders headers) {
     //body
}

包含Parent POM(嵌入了spring security)后，触发上述url时，会弹出用户名和密码窗口。

我们如何绕过这个安全措施。

将该类包含在 Web 模块中:

@Configuration
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(final AuthenticationManagerBuilder auth) throws Exception {
        PasswordEncoder encoder = PasswordEncoderFactories.createDelegatingPasswordEncoder();
        auth.inMemoryAuthentication()
                .withUser("spring")
                .password(encoder.encode("secret"))
                .roles("USER")
                .and()
                .withUser("user1").password(encoder.encode("password")).roles("USER")
                .and()
                .withUser("admin1").password(encoder.encode("password")).roles("ADMIN");
    }

    @Override
    protected void configure(final HttpSecurity http) throws Exception {
        http
                .csrf().disable()
                .authorizeRequests()
                .antMatchers("/anonymous*", "/error*").anonymous()
                .antMatchers("/").permitAll()
                .anyRequest().authenticated()
                .and()
                .formLogin()
                .successHandler(successHandler())
                .and()
                .logout().deleteCookies("JSESSIONID")
                .and()
                .rememberMe().key("uniqueAndSecret").tokenValiditySeconds(86400)
                .and()
                .sessionManagement()
                .sessionFixation().migrateSession()
                .sessionCreationPolicy(SessionCreationPolicy.IF_REQUIRED)
                .invalidSessionUrl("/invalidSession.html")
                .maximumSessions(2)
                .expiredUrl("/sessionExpired.html");
    }
    private AuthenticationSuccessHandler successHandler() {
        return new SimpleUrlAuthenticationSuccessHandler();
    }
    @Bean
    public HttpSessionEventPublisher httpSessionEventPublisher() {
        return new HttpSessionEventPublisher();
    }
}

但是没有成功。编辑:父 POM:

<dependencies>
        <groupId>com.oracle.jdbc</groupId>
        <artifactId>ojdbc7</artifactId>
        <version>${com.oracle.jdbc.ojdbc7.version}</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>com.sun.facelets</groupId>
        <artifactId>jsf-facelets</artifactId>
        <version>1.1.15</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-json</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-client</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-core</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-server</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-servlet</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey.contribs</groupId>
        <artifactId>jersey-apache-client</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey.contribs</groupId>
        <artifactId>jersey-multipart</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey.contribs</groupId>
        <artifactId>jersey-spring</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey.jersey-test-framework</groupId>
        <artifactId>jersey-test-framework-inmemory</artifactId>
        <version>${maven.jersey.version}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-grizzly</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey.jersey-test-framework</groupId>
        <artifactId>jersey-test-framework-grizzly</artifactId>
        <version>${maven.jersey.version}</version>
        <scope>test</scope>
        <exclusions>
          <exclusion>
            <artifactId>glassfish-embedded-all</artifactId>
            <groupId>org.glassfish.embedded</groupId>
          </exclusion>
          <exclusion>
            <artifactId>servlet-api</artifactId>
            <groupId>javax.servlet</groupId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey.jersey-test-framework</groupId>
        <artifactId>jersey-test-framework-grizzly2</artifactId>
        <version>${maven.jersey.version}</version>
      </dependency>
      <dependency>
        <groupId>com.sun.jersey.jersey-test-framework</groupId>
        <artifactId>jersey-test-framework-external</artifactId>
        <version>${maven.jersey.version}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-xjc</artifactId>
        <version>2.3.0</version>
      </dependency>
      <dependency>
        <groupId>com.sun.xml.stream.buffer</groupId>
        <artifactId>streambuffer</artifactId>
        <version>1.4</version>
      </dependency>
      <dependency>
        <groupId>com.sun.xml.ws</groupId>
        <artifactId>jaxws-rt</artifactId>
        <version>${com.sun.xml.ws.jaxws-rt.version}</version>
        <exclusions>
          <exclusion>
            <groupId>org.codehaus.woodstox</groupId>
            <artifactId>wstx-asl</artifactId>
          </exclusion>
          <exclusion>
            <groupId>javax.xml.stream</groupId>
            <artifactId>stax-api</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>commons-beanutils</groupId>
        <artifactId>commons-beanutils</artifactId>
        <version>1.9.3</version>
      </dependency>
      <dependency>
        <groupId>commons-codec</groupId>
        <artifactId>commons-codec</artifactId>
        <version>1.6</version>
      </dependency>
      <dependency>
        <groupId>commons-collections</groupId>
        <artifactId>commons-collections</artifactId>
        <version>3.2.2</version>
      </dependency>
      <dependency>
        <groupId>commons-dbcp</groupId>
        <artifactId>commons-dbcp</artifactId>
        <version>1.4</version>
      </dependency>
      <dependency>
        <groupId>commons-digester</groupId>
        <artifactId>commons-digester</artifactId>
        <version>2.0</version>
      </dependency>
      <dependency>
        <groupId>commons-el</groupId>
        <artifactId>commons-el</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>commons-httpclient</groupId>
        <artifactId>commons-httpclient</artifactId>
        <version>3.1-atlassian-2</version>
      </dependency>
      <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>2.4</version>
      </dependency>
      <dependency>
        <groupId>commons-lang</groupId>
        <artifactId>commons-lang</artifactId>
        <version>2.6</version>
      </dependency>
      <dependency>
        <groupId>commons-logging</groupId>
        <artifactId>commons-logging</artifactId>
        <version>1.1.1</version>
      </dependency>
      <dependency>
        <groupId>commons-net</groupId>
        <artifactId>commons-net</artifactId>
        <version>2.0</version>
      </dependency>
      <dependency>
        <groupId>commons-pool</groupId>
        <artifactId>commons-pool</artifactId>
        <version>1.6</version>
      </dependency>
      <dependency>
        <groupId>commons-configuration</groupId>
        <artifactId>commons-configuration</artifactId>
        <version>1.10</version>
      </dependency>
      <dependency>
        <groupId>edu.ucla.cs.compilers</groupId>
        <artifactId>jtb</artifactId>
        <version>1.3.2</version>
      </dependency>
      <dependency>
        <groupId>geronimo-spec</groupId>
        <artifactId>geronimo-spec-j2ee-management</artifactId>
        <version>1.0-rc4</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>org.apache.velocity</groupId>
        <artifactId>velocity</artifactId>
        <version>1.7</version>
      </dependency>
      <dependency>
        <groupId>org.hsqldb</groupId>
        <artifactId>hsqldb</artifactId>
        <version>${org.hsqldb.version}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>javacc</groupId>
        <artifactId>javacc</artifactId>
        <version>4.1</version>
      </dependency>
      <dependency>
        <groupId>javax</groupId>
        <artifactId>javaee-api</artifactId>
        <version>6.0</version>
      </dependency>
      <dependency>
        <groupId>javax.annotation</groupId>
        <artifactId>jsr250-api</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>javax.batch</groupId>
        <artifactId>javax.batch-api</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>javax.el</groupId>
        <artifactId>el-api</artifactId>
        <version>1.0</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>javax.el</groupId>
        <artifactId>el-impl</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>javax.j2ee</groupId>
        <artifactId>j2ee</artifactId>
        <version>1.4</version>
      </dependency>
      <dependency>
        <groupId>javax.jee</groupId>
        <artifactId>javaee</artifactId>
        <version>5.0.5</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>javax.mail</groupId>
        <artifactId>mail</artifactId>
        <version>1.4.1</version>
      </dependency>
      <dependency>
        <groupId>javax.naming</groupId>
        <artifactId>jndi</artifactId>
        <version>1.2.1</version>
      </dependency>
      <dependency>
        <groupId>javax.portlet</groupId>
        <artifactId>portlet-api</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>javax.resource</groupId>
        <artifactId>connector</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>${javax.servlet.servlet-api.version}</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>javax.servlet.jsp</groupId>
        <artifactId>jsp-api</artifactId>
        <version>2.2</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>javax.transaction</groupId>
        <artifactId>jta</artifactId>
        <version>1.1</version>
      </dependency>
      <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
        <version>2.3.0</version>
      </dependency>

      <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-impl</artifactId>
        <version>2.3.0</version>
      </dependency>
      <dependency>
        <groupId>com.sun.xml.ws</groupId>
        <artifactId>policy</artifactId>
        <version>2.7.2</version>
      </dependency>
      <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jsr173_api</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>jaxen</groupId>
        <artifactId>jaxen</artifactId>
        <version>1.1.1</version>
        <exclusions>
          <exclusion>
            <groupId>dom4j</groupId>
            <artifactId>dom4j</artifactId>
          </exclusion>
          <exclusion>
            <groupId>jdom</groupId>
            <artifactId>jdom</artifactId>
          </exclusion>
          <exclusion>
            <groupId>xerces</groupId>
            <artifactId>xercesImpl</artifactId>
          </exclusion>
          <exclusion>
            <groupId>xml-apis</groupId>
            <artifactId>xml-apis</artifactId>
          </exclusion>
          <exclusion>
            <groupId>xom</groupId>
            <artifactId>xom</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>jdom</groupId>
        <artifactId>jdom</artifactId>
        <version>1.1</version>
      </dependency>
      <dependency>
        <groupId>joda-time</groupId>
        <artifactId>joda-time</artifactId>
        <version>2.3</version>
      </dependency>
      <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>junit-addons</groupId>
        <artifactId>junit-addons</artifactId>
        <version>1.4</version>
        <scope>test</scope>
      </dependency>


      <dependency>
        <groupId>net.sf.jt400</groupId>
        <artifactId>jt400-full</artifactId>
        <version>5.2</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>net.sourceforge.groboutils</groupId>
        <artifactId>GroboTestingJUnit-core</artifactId>
        <version>1.2.1</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.antlr</groupId>
        <artifactId>antlr-runtime</artifactId>
        <version>${maven.antlr.version}</version>
      </dependency>
      <dependency>
        <groupId>org.antlr</groupId>
        <artifactId>antlr</artifactId>
        <version>${maven.antlr.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-dbcp2</artifactId>
        <version>2.1.1</version>
      </dependency>
      <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-exec</artifactId>
        <version>1.1</version>
      </dependency>
      <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-pool2</artifactId>
        <version>2.4.2</version>
      </dependency>
      <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-csv</artifactId>
        <version>1.6</version>
      </dependency>
      <dependency>
        <groupId>org.apache.derby</groupId>
        <artifactId>derby</artifactId>
        <version>10.4.2.0</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5.3</version>
      </dependency>
      <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient-cache</artifactId>
        <version>4.5.3</version>
      </dependency>
      <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpmime</artifactId>
        <version>4.5.3</version>
      </dependency>
      <dependency>
        <groupId>org.apache.maven.wagon</groupId>
        <artifactId>wagon-webdav</artifactId>
        <version>${maven.wagon-webdav.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.myfaces.core</groupId>
        <artifactId>myfaces-api</artifactId>
        <version>${maven.myfaces.version}</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>org.apache.myfaces.core</groupId>
        <artifactId>myfaces-impl</artifactId>
        <version>${maven.myfaces.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.myfaces.tomahawk</groupId>
        <artifactId>tomahawk</artifactId>
        <version>1.1.6</version>
      </dependency>
      <dependency>
        <groupId>org.apache.myfaces.trinidad</groupId>
        <artifactId>trinidad-api</artifactId>
        <version>${maven.trinidad.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.myfaces.trinidad</groupId>
        <artifactId>trinidad-impl</artifactId>
        <version>${maven.trinidad.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache</groupId>
        <artifactId>poi</artifactId>
        <version>3.7</version>
      </dependency>
      <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjweaver</artifactId>
        <version>${maven.aspectj.version}</version>
      </dependency>
      <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjrt</artifactId>
        <version>${maven.aspectj.version}</version>
      </dependency>
      <dependency>
        <groupId>org.codehaus.groovy</groupId>
        <artifactId>groovy-all</artifactId>
        <version>${org.codehaus.groovy.groovy-all.version}</version>
      </dependency>
      <dependency>
        <groupId>org.codehaus.groovy.modules.http-builder</groupId>
        <artifactId>http-builder</artifactId>
        <version>0.7.1</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.databene</groupId>
        <artifactId>databene-benerator</artifactId>
        <version>0.7.7</version>
      </dependency>
      <dependency>
        <groupId>org.dbunit</groupId>
        <artifactId>dbunit</artifactId>
        <version>2.4.7</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.easymock</groupId>
        <artifactId>easymock</artifactId>
        <version>3.1</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.eclipse.persistence</groupId>
        <artifactId>eclipselink</artifactId>
        <version>${maven.eclipselink.version}</version>
      </dependency>
      <dependency>
        <groupId>org.eclipse.persistence</groupId>
        <artifactId>javax.persistence</artifactId>
        <version>${maven.eclipselink.persistence.version}</version>
      </dependency>
      <dependency>
        <groupId>org.fusesource.hawtbuf</groupId>
        <artifactId>hawtbuf</artifactId>
        <version>1.11</version>
      </dependency>
      <dependency>
        <groupId>org.jvnet.jax-ws-commons.spring</groupId>
        <artifactId>jaxws-spring</artifactId>
        <version>1.9</version>
        <exclusions>
          <exclusion>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-impl</artifactId>
          </exclusion>
          <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
          </exclusion>
          <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring</artifactId>
          </exclusion>
          <exclusion>
            <groupId>javax.activation</groupId>
            <artifactId>activation</artifactId>
          </exclusion>
          <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
          </exclusion>
          <exclusion>
            <groupId>com.sun.xml.stream.buffer</groupId>
            <artifactId>streambuffer</artifactId>
          </exclusion>
          <exclusion>
            <groupId>org.jvnet.staxex</groupId>
            <artifactId>stax-ex</artifactId>
          </exclusion>
          <exclusion>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
          </exclusion>
          <exclusion>
            <artifactId>servlet-api</artifactId>
            <groupId>javax.servlet</groupId>
          </exclusion>
          <exclusion>
            <artifactId>stax-api</artifactId>
            <groupId>javax.xml.stream</groupId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>org.jvnet.staxex</groupId>
        <artifactId>stax-ex</artifactId>
        <version>1.7.8</version>
      </dependency>
      <dependency>
        <groupId>org.spockframework</groupId>
        <artifactId>spock-core</artifactId>
        <version>${org.spockframework.version}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.spockframework</groupId>
        <artifactId>spock-spring</artifactId>
        <version>${org.spockframework.version}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-dependencies</artifactId>
        <version>${org.springframework.spring-boot.version}</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>
      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <version>${org.springframework.spring-boot.version}</version>
        <exclusions>
          <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-batch</artifactId>
        <version>${org.springframework.spring-boot.version}</version>
        <exclusions>
          <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-security</artifactId>
        <version>${org.springframework.spring-boot.version}</version>
        <exclusions>
          <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-integration</artifactId>
        <version>${org.springframework.spring-boot.version}</version>
        <exclusions>
          <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <version>${org.springframework.spring-boot.version}</version>
        <scope>test</scope>
        <exclusions>
          <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>org.apache.tomcat.embed</groupId>
        <artifactId>tomcat-embed-jasper</artifactId>
        <version>${org.apache.tomcat.embed.version}</version>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-tomcat</artifactId>
        <version>${org.springframework.spring-boot.version}</version>
        <scope>provided</scope>
      </dependency>
  </dependencyManagement>

最佳答案

只需在您的 SecurityConfiguration 中为所有请求禁用 Spring Security:

    @Override
    public void configure(WebSecurity web) {
        web
                .ignoring()
                .antMatchers("/**");
    }

或者，您可以对任何 HTTP 方法进行更精细的操作:

    @Override
    public void configure(WebSecurity web) {
        web
                .ignoring()
                .antMatchers(HttpMethod.OPTIONS)
                .antMatchers(HttpMethod.TRACE)
                .antMatchers(HttpMethod.PATCH)
                .antMatchers(HttpMethod.PUT)
                .antMatchers(HttpMethod.POST)
                .antMatchers(HttpMethod.GET);
    }

For further fine tuning, you can also consult the documentation on this topic

关于java - 如何禁用 Spring Boot 安全性，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/55245331/

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java - java Java 有手动垃圾回收吗？
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java - Java 字节码是否兼容不同版本的 Java？
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java - Java 缺少无符号原始类型是 Java 平台的特征还是 Java 语言的特征？
有关于why Java doesn't support unsigned types的问题以及一些关于处理无符号类型的问题。我做了一些搜索，似乎 Scala 也不支持无符号数据类型。限制是Java和S
java - Java 7 的 Java 字节码可以在其他版本的 Java 中工作吗
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java - 使用 Java (Java EE/Java SE) 的数据库应用程序设计模式
我已经阅读 StackOverflow 有一段时间了，现在我才鼓起勇气提出问题。我今年 20 岁，目前在我的家乡(罗马尼亚克卢日-纳波卡)就读 IT 大学。足以介绍:D。基本上，我有一家提供簿记应用
java - Java 中的解析可在 Java 中访问
我有 public JSONObject parseXML(String xml) { JSONObject jsonObject = XML.toJSONObject(xml); r
java - Java 中的解释性语言以及对 Java 方法的调用
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java - java 序数 - Java I 类
一直提示输入 1 到 10 的数字 - 结果应将 st、rd、th 和 nd 添加到数字中。编写一个程序，提示用户输入 1 到 10 之间的任意整数，然后以序数形式显示该整数并附加后缀。 public
java - 如何从 Java 执行 Java？
我有这个 DownloadFile.java 并按预期下载该文件: import java.io.*; import java.net.URL; public class DownloadFile {
java - 延迟不适用于 java gui(java)
我想在 GUI 上添加延迟。我放置了 2 个 for 循环，然后重新绘制了一个标签，但这 2 个 for 循环一个接一个地执行，并且标签被重新绘制到最后一个。我能做什么？ for(int i=0;
java - Java 类中的硬编码 Java 列表
我正在对对象 Student 的列表项进行一些测试，但是我更喜欢在 java 类对象中创建硬编码列表，然后从那里提取数据，而不是连接到数据库并在结果集中选择记录。然而，自从我这样做以来已经很长时间了，
java - java 幕后对象创建(java 对象实例化)
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java - 车辆跟踪系统[java/Java EE]
我有兴趣使用 GPRS 构建车辆跟踪系统。但是，我有一些问题要问以前做过此操作的人: GPRS 是最好的技术吗？人们意识到任何问题吗？我计划使用 Java/Java EE - 有更好的技术吗？如果
java - 逆数组(Java)//逆数组(Java)
我可以通过递归方法反转数组，例如:数组={1,2,3,4,5} 数组结果={5,4,3,2,1}但我的结果是相同的数组，我不知道为什么，请帮助我。 public class Recursion { p
java - Java/Java EE 的构建和集成环境
有这样的标准方式吗？包括 Java源代码-测试代码- Ant 或 Maven联合单元持续集成(可能是巡航控制)ClearCase 版本控制工具部署到应用服务器最后我希望有一个自动构建和集成环境。
java - 我将如何从 java 程序打印文本？ ( java )
我什至不知道这是否可能，我非常怀疑它是否可能，但如果可以，您能告诉我怎么做吗？我只是想知道如何从打印机打印一些文本。有什么想法吗？最佳答案这里有更简单的事情。 import javax.swin

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