Spring Boot 1.3.7跨源配置不起作用

Question

我已将Spring Boot（1.3.7）应用程序配置为启用CORS支持。我在WebConfigurer中设置了cors过滤器并验证了代码是否正在执行以创建CorsFilter。但是，我没有在响应头中看到access-control-allow-origin属性，也不确定原因。 Spring Boot中是否还有一些其他配置让我无法使CORS正常工作？

我的application.yml在jhipster：section

中包含如下的cors配置

<?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>app.justgifit</groupId>
<artifactId>just-gif-it</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>

<name>just-gif-it</name>
<description>Demo project for Spring Boot</description>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.4.0.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <java.version>1.8</java.version>
    <commons.io.version>2.4</commons.io.version>
    <javax.inject.version>1</javax.inject.version>
    <javacv.version>1.1</javacv.version>
    <animated.gif.lib.version>1.2</animated.gif.lib.version>
    <node.version>v4.3.0</node.version>
    <npm.version>3.7.2</npm.version>
    <frontend.maven.plugin.version>0.0.28</frontend.maven.plugin.version>
</properties>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-logging</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>${commons.io.version}</version>
    </dependency>
    <dependency>
        <groupId>javax.inject</groupId>
        <artifactId>javax.inject</artifactId>
        <version>${javax.inject.version}</version>
    </dependency>
    <dependency>
        <groupId>org.bytedeco</groupId>
        <artifactId>javacv</artifactId>
        <version>${javacv.version}</version>
    </dependency>
    <dependency>
        <groupId>com.madgag</groupId>
        <artifactId>animated-gif-lib</artifactId>
        <version>${animated.gif.lib.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

我的应用程序代码（减去一些不重要的细节）

cors: #By default CORS are not enabled. Uncomment to enable.
        allowed-origins: "*"
        allowed-methods: GET, PUT, POST, DELETE, OPTIONS
        allowed-headers: "*"
        exposed-headers:
        allow-credentials: true
        max-age: 1800