我有后端弹簧启动应用程序和使用angular4开发的前端。由于这两个端口在部署时在不同的端口(8080,4200)上运行,因此它不显示任何UI。在本地,使用下面的起始角度服务器在localhost:4200上完全正常工作并显示web界面:
ng serve --proxy-config proxy.conf.json
其中proxy.conf.json有内容:
{
"*": {
"target": "http://localhost:8080",
"secure": false,
"logLevel": "debug"
}
}
但是在尝试与spring boot app(localhost:8080)集成时却没有。可能需要在部署之前烘焙ng业务逻辑(node / npm install等)。
所以我使用ng build
将生成的文件复制到输出目录--src / main / resources / static,现在它在spring-boot app路径中。启动tomcat仍然在localhost:8080上没有显示UI。我确实在chrome选项卡上看到了Angular符号/图标,但html页面上没有显示任何内容。
我还添加了一个控制器方法来返回index.html,以便它可以在路径中提供静态文件。
@GetMapping("/")
public String index() {
return "forward:/index.html";
}
但这样做只会在网页上显示“forward:/index.html”字符串而不是html内容。我是否需要更改此index.html中的某些内容,以便它可以路由到我创建的ng组件?不知道在index.html中更改选择器是否重要。由于我的主要组件不是应用程序组件(默认情况下是根组件)而是登录组件,所以在index.html中我将<app-root></app-root>
更改为登录组件的选择器<app-login></app-login>
; UI中仍然没有显示任何内容。
看起来像spring-boot无法理解角度内容以及如何路由到主要组件。
以下是index.html:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Hello App</title>
<base href="/">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="favicon.ico">
</head>
<body>
<app-root></app-root>
<script type="text/javascript" src="runtime.js"></script><script type="text/javascript" src="polyfills.js"></script><script type="text/javascript" src="styles.js"></script><script type="text/javascript" src="vendor.js"></script><script type="text/javascript" src="main.js"></script></body>
</html>
项目结构:
-src
-main
-java
- backend
- AppController
- AppService
- Main.java
- frontend
- src
- index.html
- app
-login
- login.component.html
- login.component.css
- login.component.ts
etc..
- resources
- static
- index.html
- application.properties
- ...
如何在部署时让前端与后端服务器一起工作?我是否需要在application.properties中添加任何参数或配置,以便在启动时从/ resources提供静态内容?我是否添加了任何resourceLocationHandler来提供服务?
任何帮助,非常感谢!
你可以使用maven和frontend-maven-plugin来实现
首先,我同意将前端与后端分开的事实
所以我会创建这个项目结构:
parentDirectory
- frontend
- angular src files
- pom.xml
- backend
- spring boot based backend
- pom.xml
- pom.xml
父母pom.xml
将是:
<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>test</groupId>
<artifactId>apringangular</artifactId>
<packaging>pom</packaging>
<name>Spring angular</name>
<modules>
<module>backend</module>
<module>frontend</module>
</modules>
</project>
前端pom将是:
<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>
<parent>
<groupId>test</groupId>
<artifactId>springangular</artifactId>
<version>1.0</version>
</parent>
<artifactId>frontend</artifactId>
<packaging>jar</packaging>
<name>frontend</name>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>properties-maven-plugin</artifactId>
<version>1.0.0</version>
<executions>
<execution>
<phase>initialize</phase>
<goals>
<goal>read-project-properties</goal>
</goals>
<configuration>
<files>
<file>frontend_project_properties.properties</file>
</files>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<filesets>
<fileset>
<directory>dist</directory>
<includes>
<include>*</include>
</includes>
</fileset>
</filesets>
</configuration>
</plugin>
<plugin>
<groupId>com.github.eirslett</groupId>
<artifactId>frontend-maven-plugin</artifactId>
<version>1.6</version>
<executions>
<execution>
<id>install node and npm</id>
<goals>
<goal>install-node-and-npm</goal>
</goals>
<configuration>
<nodeVersion>v8.11.3</nodeVersion>
<npmVersion>6.3.0</npmVersion>
<arguments>${http_proxy_config}</arguments>
<arguments>${https_proxy_config}</arguments>
<arguments>run build</arguments>
<npmInheritsProxyConfigFromMaven>false</npmInheritsProxyConfigFromMaven>
</configuration>
</execution>
<execution>
<id>npm install</id>
<goals>
<goal>npm</goal>
</goals>
<phase>generate-resources</phase>
<configuration>
<arguments>install</arguments>
</configuration>
</execution>
<execution>
<id>npm run build</id>
<goals>
<goal>npm</goal>
</goals>
<configuration>
<arguments>${http_proxy_config}</arguments>
<arguments>${https_proxy_config}</arguments>
<arguments>run build</arguments>
<npmInheritsProxyConfigFromMaven>false</npmInheritsProxyConfigFromMaven>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
在文件里面frontend_project_properties.properties
I有我的node和npm的代理配置。像这样的东西:
http_proxy_config=config set proxy http://USERNAME_PROXY:PASSWORD_PROXY@PROXY_HOST:PROXY_PORT
https_proxy_config=config set https-proxy http://USERNAME_PROXY:PASSWORD_PROXY@PROXY_HOST:PROXY_PORT
后端pom是一个经典的弹簧后端。您必须告诉maven前端的位置,以便maven能够创建一个独特的Web应用程序。在后端pom.xml中,您应该添加如下内容:
<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>
<parent>
<groupId>it.eng.tz.area.vasta.mev</groupId>
<artifactId>appmgr</artifactId>
<version>1.0</version>
</parent>
<artifactId>appmgrbackend</artifactId>
<packaging>war</packaging>
<name>Application manager backend</name>
<description>
Lato backend del sistema di gestione
</description>
<dependencies>
<!-- Your dependencies -->
</dependencies>
<build>
<sourceDirectory>src/main/java</sourceDirectory>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
<includes>
<include>**/*.*</include>
</includes>
</resource>
</resources>
<testResources>
<testResource>
<directory>src/test/resources</directory>
<excludes>
<exclude>**/*.*</exclude>
</excludes>
</testResource>
</testResources>
<plugins>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.2</version>
<configuration>
<webResources>
<resource>
<directory>../frontend/dist</directory>
</resource>
</webResources>
</configuration>
</plugin>
</plugins>
</build>
</project>
通过这种方式,您可以告诉maven-war-plugin
HTML和静态代码位于前端项目的dist
目录中注意,在开发期间,node.js在4200端口上提供资源,而spring使用不同的端口。因此,您将遇到跨站点问题。通过使用spring security yuo可以解决这个问题配置,在后端方面,弹簧安全就是这样的:
@Configuration
@EnableWebSecurity
@Import(value= {AppMgrWebMvcConfig.class})
@EnableGlobalMethodSecurity(securedEnabled = true, prePostEnabled=true)
public class AppMgrWebSecConfig extends WebSecurityConfigurerAdapter {
@Autowired
@Qualifier("oauthUsrDetailSvc")
UserDetailsService userDetailsService;
@Autowired
@Qualifier("userPwdEnc")
private PasswordEncoder pwdEncoder;
@Override
public void configure(WebSecurity web) throws Exception {
super.configure(web);
web.httpFirewall(this.allowUrlEncodedSlashHttpFirewall());
}
@Bean
public HttpFirewall allowUrlEncodedSlashHttpFirewall()
{
StrictHttpFirewall firewall = new StrictHttpFirewall();
firewall.setAllowUrlEncodedSlash(true);
firewall.setAllowSemicolon(true);
return firewall;
}
@Autowired
public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception
{
auth.userDetailsService(userDetailsService);
auth.authenticationProvider(authenticationProvider());
}
@Bean
public DaoAuthenticationProvider authenticationProvider() {
DaoAuthenticationProvider authenticationProvider = new DaoAuthenticationProvider();
authenticationProvider.setUserDetailsService(userDetailsService);
authenticationProvider.setPasswordEncoder(pwdEncoder);
return authenticationProvider;
}
@Override
protected void configure(HttpSecurity http) throws Exception
{
http
.authorizeRequests()
.antMatchers("/resources/**")
.permitAll()
.antMatchers("/rest/protected/**")
.access("hasAnyRole('ADMIN','USER','SUPER_ADMIN')")
.and()
.authorizeRequests()
.antMatchers("/rest/public/**")
.permitAll()
.and()
.formLogin()
.loginPage("/login")
.permitAll()
.usernameParameter("username")
.passwordParameter("password")
.defaultSuccessUrl("http://localhost:8100/", true)
.failureUrl("/login?error")
.loginProcessingUrl("/login")
.and()
.logout()
.permitAll()
.logoutSuccessUrl("/login?logout")
.and()
.csrf()
.csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse())
.and()
.cors().configurationSource(corsConfigurationSource())
.and()
.exceptionHandling()
.accessDeniedPage("/pages/accessDenied");
}
@Bean
CorsConfigurationSource corsConfigurationSource() {
CorsConfiguration configuration = new CorsConfiguration();
configuration.setAllowedOrigins(Arrays.asList("http://localhost:4200","http://localhost:8080"));
configuration.setAllowedMethods(Arrays.asList("GET","POST", "OPTIONS"));
configuration.setAllowedHeaders(Arrays.asList("x-requested-with"));
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
source.registerCorsConfiguration("/**", configuration);
return source;
}
}
这将让你只使用maven开发和编译所有
安杰洛
请使用存档实用程序打开jar文件,并查看其中是否有可用的静态文件。如果它们可用,您需要告诉Spring您输入地址栏的URL实际上是Angular路由:
@Controller
public class Routing {
@RequestMapping({ "", "/login", "/products/**" })
public String gui() {
return "forward:/index.html";
}
}