【thymeleaf】Access to request parameters is forbidden in this context
2024-05-12 18:42:34
前言
- thymeleaf 3.0.5
- springboot 2.0.0.RELEASE
错误现象
控制台打印错误信息
Caused by: org.thymeleaf.exceptions.TemplateProcessingException: Access to request parameters is forbidden in this context. Note some restrictions apply to variable access. For example, direct access to request parameters is forbidden in preprocessing and unescaped expressions, in TEXT template mode, in fragment insertion specifications and in some specific attribute processors. (template: "app/xxx" - line 50, col 23)at org.thymeleaf.standard.expression.RestrictedRequestAccessUtils$RestrictedRequestWrapper.createRestrictedParameterAccessException(RestrictedRequestAccessUtils.java:87)at org.thymeleaf.standard.expression.RestrictedRequestAccessUtils$RestrictedRequestWrapper.getParameter(RestrictedRequestAccessUtils.java:68)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.springframework.expression.spel.support.ReflectiveMethodExecutor.execute(ReflectiveMethodExecutor.java:120)at org.springframework.expression.spel.ast.MethodReference.getValueInternal(MethodReference.java:134)at org.springframework.expression.spel.ast.MethodReference.access$000(MethodReference.java:53)at org.springframework.expression.spel.ast.MethodReference$MethodValueRef.getValue(MethodReference.java:360)at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:89)at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:111)at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:334)at org.thymeleaf.spring5.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:263)at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:165)at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66)at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109)at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138)at org.thymeleaf.standard.processor.StandardUtextTagProcessor.doProcess(StandardUtextTagProcessor.java:87)at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74)at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95)at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633)at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314)at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205)at org.thymeleaf.engine.TemplateModel.process(TemplateModel.java:136)at org.thymeleaf.engine.TemplateManager.process(TemplateManager.java:519)at org.thymeleaf.util.LazyProcessingCharSequence.writeUnresolved(LazyProcessingCharSequence.java:85)at org.thymeleaf.util.AbstractLazyCharSequence.write(AbstractLazyCharSequence.java:103)at org.thymeleaf.engine.AbstractTextualTemplateEvent.writeContent(AbstractTextualTemplateEvent.java:224)at org.thymeleaf.engine.Text.write(Text.java:78)at org.thymeleaf.engine.OutputTemplateHandler.handleText(OutputTemplateHandler.java:71)... 70 common frames omitted
代码写法
[(${#request.getParameter('deptno')})]
解决办法
改正写法：
[[${#request.getParameter('deptno')}]]
问题解决。
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