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dcrenl
2024-09-24 12:43:01 +08:00
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<p>一：使用@CrossOrigin注解</p>
<div class="cnblogs_code">
<pre><span style="color: #000000;"> @CrossOrigin
@RequestMapping(value </span>= "/get"<span style="color: #000000;">)
</span><span style="color: #0000ff;">public</span> HashMap&lt;String, Object&gt;<span style="color: #000000;"> get(@RequestParam String name) {
HashMap</span>&lt;String, Object&gt; map = <span style="color: #0000ff;">new</span> HashMap&lt;String, Object&gt;<span style="color: #000000;">();
map.put(</span>"title", "hello world"<span style="color: #000000;">);
map.put(</span>"name"<span style="color: #000000;">, name);
</span><span style="color: #0000ff;">return</span><span style="color: #000000;"> map;
}</span></pre>
</div>
<p>二：配置跨域类</p>
<div class="cnblogs_code">
<pre><span style="color: #0000ff;">import</span><span style="color: #000000;"> org.springframework.boot.web.servlet.FilterRegistrationBean;
</span><span style="color: #0000ff;">import</span><span style="color: #000000;"> org.springframework.context.annotation.Bean;
</span><span style="color: #0000ff;">import</span><span style="color: #000000;"> org.springframework.context.annotation.Configuration;
</span><span style="color: #0000ff;">import</span><span style="color: #000000;"> org.springframework.core.Ordered;
</span><span style="color: #0000ff;">import</span><span style="color: #000000;"> org.springframework.web.cors.CorsConfiguration;
</span><span style="color: #0000ff;">import</span><span style="color: #000000;"> org.springframework.web.cors.UrlBasedCorsConfigurationSource;
</span><span style="color: #0000ff;">import</span><span style="color: #000000;"> org.springframework.web.filter.CorsFilter;
</span><span style="color: #0000ff;">import</span><span style="color: #000000;"> java.util.Collections;
</span><span style="color: #008000;">/**</span><span style="color: #008000;">
* 跨域请求过滤器
*
</span><span style="color: #008000;">*/</span><span style="color: #000000;">
@Configuration
</span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">class</span><span style="color: #000000;"> OriginFilter {
@SuppressWarnings(</span>"unchecked"<span style="color: #000000;">)
@Bean
</span><span style="color: #0000ff;">public</span><span style="color: #000000;"> FilterRegistrationBean corsFilter() {
UrlBasedCorsConfigurationSource source </span>= <span style="color: #0000ff;">new</span><span style="color: #000000;"> UrlBasedCorsConfigurationSource();
CorsConfiguration corsConfiguration </span>= <span style="color: #0000ff;">new</span><span style="color: #000000;"> CorsConfiguration();
corsConfiguration.setAllowCredentials(</span><span style="color: #0000ff;">true</span><span style="color: #000000;">);
corsConfiguration.setAllowedOrigins(Collections.singletonList(CorsConfiguration.ALL));
corsConfiguration.setAllowedHeaders(Collections.singletonList(CorsConfiguration.ALL));
corsConfiguration.setAllowedMethods(Collections.singletonList(CorsConfiguration.ALL));
corsConfiguration.addExposedHeader(</span>"Authorization"<span style="color: #000000;">);
source.registerCorsConfiguration(</span>"/**"<span style="color: #000000;">, corsConfiguration);
FilterRegistrationBean bean </span>= <span style="color: #0000ff;">new</span> FilterRegistrationBean(<span style="color: #0000ff;">new</span><span style="color: #000000;"> CorsFilter(source));
bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
</span><span style="color: #0000ff;">return</span><span style="color: #000000;"> bean;
}
}</span></pre>
</div>
<p>&nbsp;</p>