1、第一種：
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public class corsfilter extends onceperrequestfilter { static final string origin = "origin"; protected void dofilterinternal( httpservletrequest request, httpservletresponse response, filterchain filterchain) throws servletexception, ioexception { string origin = request.getheader(origin); response.setheader("access-control-allow-origin", "*");//* or origin as u prefer response.setheader("access-control-allow-credentials", "true"); response.setheader("access-control-allow-methods", "put, post, get, options, delete"); response.setheader("access-control-max-age", "3600"); response.setheader("access-control-allow-headers", "content-type, authorization"); if (request.getmethod().equals("options")) response.setstatus(httpservletresponse.sc_ok); else filterchain.dofilter(request, response); }}@beanpublic corsfilter corsfilter() throws exception { return new corsfilter();}http .addfilterbefore(corsfilter(), usernamepasswordauthenticationfilter.class) .addfilterbefore(authenticationtokenfilterbean(), usernamepasswordauthenticationfilter.class) .headers() .cachecontrol(); |
2、第二種：
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@configurationpublic class corsconfig { @bean public filterregistrationbean corsfilter() { urlbasedcorsconfigurationsource source = new urlbasedcorsconfigurationsource(); corsconfiguration config = new corsconfiguration(); config.setallowcredentials(true); // 設(shè)置你要允許的網(wǎng)站域名，如果全允許則設(shè)為 * config.addallowedorigin("http://localhost:4200"); // 如果要限制 header 或 method 請(qǐng)自行更改 config.addallowedheader("*"); config.addallowedmethod("*"); source.registercorsconfiguration("/**", config); filterregistrationbean bean = new filterregistrationbean(new corsfilter(source)); // 這個(gè)順序很重要哦，為避免麻煩請(qǐng)?jiān)O(shè)置在最前 bean.setorder(0); return bean; }} |
以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://segmentfault.com/a/1190000012364985
