SpringBoot常见问题小结

<dependency>  <groupId>org.apache.tomcat.embed</groupId>  <artifactId>tomcat-embed-jasper</artifactId>  <scope>provided</scope></dependency>

@SpringBootApplication@Configuration@EnableConfigurationPropertiespublic class BaseApplication extends SpringBootServletInitializer {  @Override  protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {    return application.sources(BaseApplication.class);  }  public static void main(String[] args) {    SpringApplication.run(BaseApplication.class, args);  }}

@Componentpublic class PayConfig {  @Value("${pay.webBody}")  public static String webBody;}

@Componentpublic class PayConfig {  public static String webBody;  @Value("${pay.webBody}")  public void setWebBody(String webBody) {    this.webBody= webBody;  }}

@Componentpublic class PayConfig {  @Value("${pay.webBody}")  public String webBody;}

@Resourceprivate PayConfig payConfig;payConfig.webBody