胸腺胸膜无法解析内布拉斯加州的" ne"，在以下选择形式控件中，俄勒冈州的俄勒冈州或"或"或"也许是保留关键字ne =" ne =" not equals"），或者"？）。如果确实保留了这一点，该如何逃脱？试图避免在控制器中对此列表进行硬编码。这是一个常见的用例，是否有人决定最佳实践列出我们的状态代码而不绊倒表达语言？
<select class="form-control" th:field="*{state}" id="exampleSelect1">
<option th:value="AL">Alabama</option>
<option th:value="AK">Alaska</option>
<option th:value="AZ">Arizona</option>
<option th:value="AR">Arkansas</option>
<!-- and so on -->
<!-- option th:value="NE">Nebraska</option -->
<option th:value="OR">Oregon</option>
<option th:value="PA">Pennsylvania</option>
<!-- and so on -->
<option th:value="TX" selected=selected>Texas</option>
<option th:value="UT">Utah</option>
<option th:value="VT">Vermont</option>
<option th:value="VA">Virginia</option>
<option th:value="WA">Washington</option>
<option th:value="WV">West Virginia</option>
<option th:value="WI">Wisconsin</option>
<option th:value="WY">Wyoming</option>
</select>
stacktrace如下（俄勒冈州）：
org.thymeleaf.exceptions.TemplateProcessingException: Could not parse as expression: "OR" (address-form)
at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:238)
at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:79)
at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:40)
at org.thymeleaf.standard.processor.attr.AbstractStandardSingleAttributeModifierAttrProcessor.getTargetAttributeValue(AbstractStandardSingleAttributeModifierAttrProcessor.java:65)
at org.thymeleaf.spring4.processor.attr.SpringValueAttrProcessor.getTargetAttributeValue(SpringValueAttrProcessor.java:71)
at org.thymeleaf.processor.attr.AbstractSingleAttributeModifierAttrProcessor.getModifiedAttributeValues(AbstractSingleAttributeModifierAttrProcessor.java:59)
at org.thymeleaf.processor.attr.AbstractAttributeModifierAttrProcessor.processAttribute(AbstractAttributeModifierAttrProcessor.java:62)
at org.thymeleaf.processor.attr.AbstractAttrProcessor.doProcess(AbstractAttrProcessor.java:87)
at org.thymeleaf.processor.AbstractProcessor.process(AbstractProcessor.java:212)
at org.thymeleaf.dom.Node.applyNextProcessor(Node.java:1017)
at org.thymeleaf.dom.Node.processNode(Node.java:972)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695)
at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668)
at org.thymeleaf.dom.Node.processNode(Node.java:990)
at org.thymeleaf.dom.Document.process(Document.java:93)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1155)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1060)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1011)
at org.thymeleaf.spring4.view.ThymeleafView.renderFragment(ThymeleafView.java:335)
at org.thymeleaf.spring4.view.ThymeleafView.render(ThymeleafView.java:190)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1244)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1027)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:232)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$ApplicationContextHeaderFilter.doFilterInternal(EndpointWebMvcAutoConfiguration.java:295)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:102)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:68)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.springframework.boot.context.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:116)
at org.springframework.boot.context.web.ErrorPageFilter.access$000(ErrorPageFilter.java:60)
at org.springframework.boot.context.web.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:91)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.boot.context.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:109)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:105)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1078)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:760)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1524)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
OR由百里多夫保留。
因此您可以在下面进行
<option th:value="'OR'">Oregon</option>
或
<option value="OR">Oregon</option>