Spinrg WebFlux中Cookie的读写的示例

@RestController
@RequestMapping("/cookie")
public class CookieReadAWriteController {
 @GetMapping("/write")
 public ResponseEntity<String> cookieWrite() {
 HttpHeaders headers = new HttpHeaders();
 String cookie = new CookieBuilder().setKey("cookie-text")
  .setValue(cookieText)
  .setMaxAge(840000)
  .setPath("/")
  .build();
 headers.add("Set-Cookie", cookie);
 return new ResponseEntity<String>("hi," + userName, headers, HttpStatus.OK);
 }
}


class CookieBuilder {
 private String key;
 private String value;
 private String expires;
 private String domain;
 private String path;

 public CookieBuilder setKey(String key) {
 this.key = key;
 return this;
 }

 public CookieBuilder setValue(String value) {
 this.value = value;
 return this;
 }

 public CookieBuilder setMaxAge(long ms) {
 //cookie的过期日期为GMT格式的时间。
 Date date = new Date(new Date().getTime() + ms);
 SimpleDateFormat sdf = new SimpleDateFormat("EEE d MMM yyyy HH:mm:ss 'GMT'", Locale.US);
 sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
 this.expires = sdf.format(date);
 return this;
 }

 public CookieBuilder setDomain(String domain) {
 this.domain = domain;
 return this;
 }

 public CookieBuilder setPath(String path) {
 this.path = path;
 return this;
 }

 public String build() {
 StringBuilder sb = new StringBuilder();
 sb.append(this.key);
 sb.append("=");
 sb.append(this.value);
 sb.append(";");
 if (null != this.expires) {
  sb.append("expires=");
  sb.append(this.expires);
  sb.append(";");
 }
 if (null != this.domain) {
  sb.append("domain=");
  sb.append(this.domain);
  sb.append(";");
 }
 if (null != this.path) {
  sb.append("path=");
  sb.append(this.path);
  sb.append(";");
 }
 return sb.toString();
 }
}

@RestController
@RequestMapping("/cookie")
public class CookieReadAWriteController {
 @GetMapping("/read/annotation")
 /**
 * @param value
 * @return
 */
 public String cookieReadAnnotation(@CookieValue("cookie-text") String value) {
 return "当前Cookie中的内容" + value;
 }
}

@RestController
@RequestMapping("/cookie")
public class CookieReadAWriteController {
 @GetMapping("/read/annotation")
 /**
 * @param value
 * @return
 */
 @GetMapping("/read/entity")
 public String cookieReadEntity(RequestEntity<String> entity) {
 HttpHeaders headers = entity.getHeaders();
 List<String> cookie = headers.get("Cookie");
 return "当前Cookie中的内容" + cookie;
 }
}