tbel-1.2.8.jar中文-英文对照文档.zip 中包含以下内容

1. 中文-英文对照文档：位于压缩包内的“文档”文件夹中
2. 说明文件：使用说明.txt、README.md
3. Maven依赖：tbel-1.2.8.jar Maven依赖信息(可用于项目pom.xml).txt
4. Gradle依赖：tbel-1.2.8.jar Gradle依赖信息(可用于项目build.gradle).txt
5. jar包下载地址：tbel-1.2.8.jar下载地址(官方地址+国内镜像地址).txt
6. 源码下载地址：tbel-1.2.8-sources.jar下载地址(官方地址+国内镜像地址).txt

使用方法

1. 解压 tbel-1.2.8.jar中文-英文对照文档.zip，找到 解压后的文件夹>文档>index.html，双击index.html即可用浏览器打开查看。
2. 为了防止解压后路径太长导致浏览器无法打开，推荐在解压时选择“解压到当前文件夹”（放心，自带文件夹，文件不会散落一地）。
3. 有时，一套Java组件会有多个jar，所以在下载前，请仔细阅读本篇描述，以确保这就是你需要的文件。

组件信息

简介

• 名称： tbel
• 描述： TBEL是ThingsBoard平台用户自定义函数的一种强大表达式语言。原始实现基于MVEL。
• 版本： 1.2.8

Maven依赖

<dependency>
	<groupId>org.thingsboard</groupId>
	<artifactId>tbel</artifactId>
	<version>1.2.8</version>
</dependency>

Gradle依赖

Gradle:
	implementation group: 'org.thingsboard', name: 'tbel', version: '1.2.8'
Gradle (Short):
	implementation 'org.thingsboard:tbel:1.2.8'
Gradle (Kotlin):
	implementation("org.thingsboard:tbel:1.2.8")

寒水馨 Java 组件中文文档系列说明

• 文档为 Java 组件的中文翻译文档
• 文档由 寒水馨 翻译整理，非官方版本
• 本系列文档获取地址：https://hanshuixin.org
• 本文档为人性化翻译，精心制作，请放心使用
• 本文档为双语同时展示，一行原文、一行译文，可逐行对照，避免了原文/译文来回切换的麻烦
• 有原文可参照，不再担心翻译偏差误导
• 边学技术、边学英语
• 只翻译了该翻译的内容，如：注释、说明、描述、用法讲解 等
• 不该翻译的内容保持原样，如：类名、方法名、包名、类型、关键字、代码 等

版权声明与来源信息

本翻译文档基于以下开源项目制作，严格遵守各项目的开源许可证，并在此列出其版权归属与许可证信息。

• 组件 GAV 坐标：org.thingsboard:tbel:1.2.8
• 原始项目地址：https://central.sonatype.com/artifact/org.thingsboard/tbel/1.2.8
• 许可证：The Apache Software License, Version 2.0
• 许可证链接：http://www.apache.org/licenses/LICENSE-2.0.txt
• 所有原始代码及注释版权归其原作者所有
• 本翻译内容的版权归 寒水馨 所有（© 2025 寒水馨），未经许可不得用于二次分发或再销售

本组件包含的 Java package（包）

org.mvel2
org.mvel2.asm
org.mvel2.asm.signature
org.mvel2.ast
org.mvel2.compiler
org.mvel2.conversion
org.mvel2.debug
org.mvel2.execution
org.mvel2.integration
org.mvel2.integration.impl
org.mvel2.jsr223
org.mvel2.math
org.mvel2.optimizers
org.mvel2.optimizers.dynamic
org.mvel2.optimizers.impl.asm
org.mvel2.optimizers.impl.refl
org.mvel2.optimizers.impl.refl.collection
org.mvel2.optimizers.impl.refl.nodes
org.mvel2.sh
org.mvel2.sh.command.basic
org.mvel2.sh.command.file
org.mvel2.sh.text
org.mvel2.templates
org.mvel2.templates.res
org.mvel2.templates.util
org.mvel2.templates.util.io
org.mvel2.util

本组件包含的 Java class（类）

org.mvel2.CompileException
org.mvel2.ConversionException
org.mvel2.ConversionHandler
org.mvel2.DataConversion
org.mvel2.DataTypes
org.mvel2.ErrorDetail
org.mvel2.ExecutionContext
org.mvel2.ImmutableElementException
org.mvel2.MVEL
org.mvel2.MVELInterpretedRuntime
org.mvel2.MVELRuntime
org.mvel2.Macro
org.mvel2.MacroProcessor
org.mvel2.Operator
org.mvel2.OptimizationFailure
org.mvel2.ParserConfiguration
org.mvel2.ParserContext
org.mvel2.PreProcessor
org.mvel2.PropertyAccessException
org.mvel2.PropertyAccessor
org.mvel2.SandboxedClassLoader
org.mvel2.SandboxedParserConfiguration
org.mvel2.ScriptExecutionStoppedException
org.mvel2.ScriptMemoryOverflowException
org.mvel2.ScriptRuntimeException
org.mvel2.Unit
org.mvel2.UnresolveablePropertyException
org.mvel2.asm.AnnotationVisitor
org.mvel2.asm.Attribute
org.mvel2.asm.ByteVector
org.mvel2.asm.ClassReader
org.mvel2.asm.ClassTooLargeException
org.mvel2.asm.ClassVisitor
org.mvel2.asm.ClassWriter
org.mvel2.asm.ConstantDynamic
org.mvel2.asm.FieldVisitor
org.mvel2.asm.Handle
org.mvel2.asm.Label
org.mvel2.asm.MethodTooLargeException
org.mvel2.asm.MethodVisitor
org.mvel2.asm.ModuleVisitor
org.mvel2.asm.Opcodes
org.mvel2.asm.Type
org.mvel2.asm.TypePath
org.mvel2.asm.TypeReference
org.mvel2.asm.signature.SignatureReader
org.mvel2.asm.signature.SignatureVisitor
org.mvel2.asm.signature.SignatureWriter
org.mvel2.ast.ASTNode
org.mvel2.ast.And
org.mvel2.ast.ArraySize
org.mvel2.ast.AssertNode
org.mvel2.ast.Assignment
org.mvel2.ast.AssignmentNode
org.mvel2.ast.BinaryOperation
org.mvel2.ast.BlockNode
org.mvel2.ast.BooleanNode
org.mvel2.ast.BreakNode
org.mvel2.ast.Contains
org.mvel2.ast.Convertable
org.mvel2.ast.DeclProtoVarNode
org.mvel2.ast.DeclTypedVarNode
org.mvel2.ast.DeepAssignmentNode
org.mvel2.ast.DeepOperativeAssignmentNode
org.mvel2.ast.DoNode
org.mvel2.ast.DoUntilNode
org.mvel2.ast.EndOfStatement
org.mvel2.ast.Fold
org.mvel2.ast.ForEachNode
org.mvel2.ast.ForNode
org.mvel2.ast.Function
org.mvel2.ast.FunctionInstance
org.mvel2.ast.HasStatement
org.mvel2.ast.IfNode
org.mvel2.ast.ImportNode
org.mvel2.ast.IndexedAssignmentNode
org.mvel2.ast.IndexedDeclTypedVarNode
org.mvel2.ast.IndexedOperativeAssign
org.mvel2.ast.IndexedPostFixDecNode
org.mvel2.ast.IndexedPostFixIncNode
org.mvel2.ast.IndexedPreFixDecNode
org.mvel2.ast.IndexedPreFixIncNode
org.mvel2.ast.InlineCollectionNode
org.mvel2.ast.Instance
org.mvel2.ast.IntAdd
org.mvel2.ast.IntDiv
org.mvel2.ast.IntMult
org.mvel2.ast.IntOptimized
org.mvel2.ast.IntSub
org.mvel2.ast.InterceptorWrapper
org.mvel2.ast.Invert
org.mvel2.ast.InvokationContextFactory
org.mvel2.ast.IsDef
org.mvel2.ast.LineLabel
org.mvel2.ast.LiteralDeepPropertyNode
org.mvel2.ast.LiteralNode
org.mvel2.ast.Negation
org.mvel2.ast.NestedStatement
org.mvel2.ast.NewObjectNode
org.mvel2.ast.NewObjectNode.NewObjectArray
org.mvel2.ast.NewObjectPrototype
org.mvel2.ast.NewPrototypeNode
org.mvel2.ast.OperativeAssign
org.mvel2.ast.OperatorNode
org.mvel2.ast.Or
org.mvel2.ast.PostFixDecNode
org.mvel2.ast.PostFixIncNode
org.mvel2.ast.PreFixDecNode
org.mvel2.ast.PreFixIncNode
org.mvel2.ast.Proto
org.mvel2.ast.ProtoVarNode
org.mvel2.ast.PrototypalFunctionInstance
org.mvel2.ast.ReduceableCodeException
org.mvel2.ast.RedundantCodeException
org.mvel2.ast.RegExMatch
org.mvel2.ast.RegExMatchNode
org.mvel2.ast.ReturnNode
org.mvel2.ast.Safe
org.mvel2.ast.Sign
org.mvel2.ast.Soundslike
org.mvel2.ast.Stacklang
org.mvel2.ast.StaticImportNode
org.mvel2.ast.Strsim
org.mvel2.ast.Substatement
org.mvel2.ast.SwitchNode
org.mvel2.ast.ThisWithNode
org.mvel2.ast.TypeCast
org.mvel2.ast.TypeDescriptor
org.mvel2.ast.TypedVarNode
org.mvel2.ast.Union
org.mvel2.ast.UntilNode
org.mvel2.ast.WhileNode
org.mvel2.ast.WithNode
org.mvel2.ast.WithNode.ParmValuePair
org.mvel2.compiler.AbstractParser
org.mvel2.compiler.Accessor
org.mvel2.compiler.AccessorNode
org.mvel2.compiler.BlankLiteral
org.mvel2.compiler.CompiledAccExpression
org.mvel2.compiler.CompiledExpression
org.mvel2.compiler.EndWithValue
org.mvel2.compiler.ExecutableAccessor
org.mvel2.compiler.ExecutableAccessorSafe
org.mvel2.compiler.ExecutableLiteral
org.mvel2.compiler.ExecutableStatement
org.mvel2.compiler.ExpressionCompiler
org.mvel2.compiler.Parser
org.mvel2.compiler.PropertyVerifier
org.mvel2.conversion.ArrayCH
org.mvel2.conversion.ArrayHandler
org.mvel2.conversion.BigDecimalCH
org.mvel2.conversion.BigIntegerCH
org.mvel2.conversion.BooleanCH
org.mvel2.conversion.ByteCH
org.mvel2.conversion.CharArrayCH
org.mvel2.conversion.CharCH
org.mvel2.conversion.CompositeCH
org.mvel2.conversion.Converter
org.mvel2.conversion.DoubleCH
org.mvel2.conversion.FloatCH
org.mvel2.conversion.IntArrayCH
org.mvel2.conversion.IntegerCH
org.mvel2.conversion.ListCH
org.mvel2.conversion.LongCH
org.mvel2.conversion.ObjectCH
org.mvel2.conversion.PrimIntArrayCH
org.mvel2.conversion.SetCH
org.mvel2.conversion.ShortCH
org.mvel2.conversion.StringArrayCH
org.mvel2.conversion.StringCH
org.mvel2.conversion.UnitConversion
org.mvel2.debug.DebugTools
org.mvel2.debug.Debugger
org.mvel2.debug.DebuggerContext
org.mvel2.debug.Frame
org.mvel2.execution.ExecutionArrayList
org.mvel2.execution.ExecutionCollections
org.mvel2.execution.ExecutionEntry
org.mvel2.execution.ExecutionHashMap
org.mvel2.execution.ExecutionLinkedHashSet
org.mvel2.execution.ExecutionObject
org.mvel2.integration.GlobalListenerFactory
org.mvel2.integration.Interceptor
org.mvel2.integration.Listener
org.mvel2.integration.PropertyHandler
org.mvel2.integration.PropertyHandlerFactory
org.mvel2.integration.ResolverTools
org.mvel2.integration.VariableResolver
org.mvel2.integration.VariableResolverFactory
org.mvel2.integration.impl.BaseVariableResolverFactory
org.mvel2.integration.impl.CachedMapVariableResolverFactory
org.mvel2.integration.impl.CachingMapVariableResolverFactory
org.mvel2.integration.impl.ClassImportResolverFactory
org.mvel2.integration.impl.DefaultLocalVariableResolverFactory
org.mvel2.integration.impl.FunctionVariableResolverFactory
org.mvel2.integration.impl.ImmutableDefaultFactory
org.mvel2.integration.impl.IndexVariableResolver
org.mvel2.integration.impl.IndexedVariableResolverFactory
org.mvel2.integration.impl.ItemResolverFactory
org.mvel2.integration.impl.ItemResolverFactory.ItemResolver
org.mvel2.integration.impl.LocalVariableResolverFactory
org.mvel2.integration.impl.MapVariableResolver
org.mvel2.integration.impl.MapVariableResolverFactory
org.mvel2.integration.impl.PrecachedMapVariableResolver
org.mvel2.integration.impl.SimpleSTValueResolver
org.mvel2.integration.impl.SimpleValueResolver
org.mvel2.integration.impl.SimpleVariableResolverFactory
org.mvel2.integration.impl.StackDelimiterResolverFactory
org.mvel2.integration.impl.StackDemarcResolverFactory
org.mvel2.integration.impl.StackResetResolverFactory
org.mvel2.integration.impl.StaticMethodImportResolver
org.mvel2.integration.impl.StaticMethodImportResolverFactory
org.mvel2.integration.impl.TypeInjectionResolverFactory
org.mvel2.integration.impl.TypeInjectionResolverFactoryImpl
org.mvel2.jsr223.MvelBindings
org.mvel2.jsr223.MvelCompiledScript
org.mvel2.jsr223.MvelScriptEngine
org.mvel2.jsr223.MvelScriptEngineFactory
org.mvel2.math.MathProcessor
org.mvel2.optimizers.AbstractOptimizer
org.mvel2.optimizers.AccessorOptimizer
org.mvel2.optimizers.OptimizationNotSupported
org.mvel2.optimizers.OptimizerFactory
org.mvel2.optimizers.OptimizerHook
org.mvel2.optimizers.dynamic.DynamicAccessor
org.mvel2.optimizers.dynamic.DynamicClassLoader
org.mvel2.optimizers.dynamic.DynamicCollectionAccessor
org.mvel2.optimizers.dynamic.DynamicGetAccessor
org.mvel2.optimizers.dynamic.DynamicOptimizer
org.mvel2.optimizers.dynamic.DynamicSetAccessor
org.mvel2.optimizers.impl.asm.ASMAccessorOptimizer
org.mvel2.optimizers.impl.asm.ProducesBytecode
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer
org.mvel2.optimizers.impl.refl.collection.ArrayCreator
org.mvel2.optimizers.impl.refl.collection.ExprValueAccessor
org.mvel2.optimizers.impl.refl.collection.ListCreator
org.mvel2.optimizers.impl.refl.collection.MDArrayCreator
org.mvel2.optimizers.impl.refl.collection.MapCreator
org.mvel2.optimizers.impl.refl.nodes.ArrayAccessor
org.mvel2.optimizers.impl.refl.nodes.ArrayAccessorNest
org.mvel2.optimizers.impl.refl.nodes.ArrayLength
org.mvel2.optimizers.impl.refl.nodes.BaseAccessor
org.mvel2.optimizers.impl.refl.nodes.ConstructorAccessor
org.mvel2.optimizers.impl.refl.nodes.DynamicFieldAccessor
org.mvel2.optimizers.impl.refl.nodes.DynamicFunctionAccessor
org.mvel2.optimizers.impl.refl.nodes.DynamicSetterAccessor
org.mvel2.optimizers.impl.refl.nodes.FieldAccessor
org.mvel2.optimizers.impl.refl.nodes.FieldAccessorNH
org.mvel2.optimizers.impl.refl.nodes.FunctionAccessor
org.mvel2.optimizers.impl.refl.nodes.GetterAccessor
org.mvel2.optimizers.impl.refl.nodes.GetterAccessorNH
org.mvel2.optimizers.impl.refl.nodes.IndexedCharSeqAccessor
org.mvel2.optimizers.impl.refl.nodes.IndexedCharSeqAccessorNest
org.mvel2.optimizers.impl.refl.nodes.IndexedVariableAccessor
org.mvel2.optimizers.impl.refl.nodes.InvokableAccessor
org.mvel2.optimizers.impl.refl.nodes.ListAccessor
org.mvel2.optimizers.impl.refl.nodes.ListAccessorNest
org.mvel2.optimizers.impl.refl.nodes.MapAccessor
org.mvel2.optimizers.impl.refl.nodes.MapAccessorNest
org.mvel2.optimizers.impl.refl.nodes.MethodAccessor
org.mvel2.optimizers.impl.refl.nodes.MethodAccessorNH
org.mvel2.optimizers.impl.refl.nodes.Notify
org.mvel2.optimizers.impl.refl.nodes.NullSafe
org.mvel2.optimizers.impl.refl.nodes.PropertyHandlerAccessor
org.mvel2.optimizers.impl.refl.nodes.SetterAccessor
org.mvel2.optimizers.impl.refl.nodes.StaticReferenceAccessor
org.mvel2.optimizers.impl.refl.nodes.StaticVarAccessor
org.mvel2.optimizers.impl.refl.nodes.StaticVarAccessorNH
org.mvel2.optimizers.impl.refl.nodes.ThisValueAccessor
org.mvel2.optimizers.impl.refl.nodes.Union
org.mvel2.optimizers.impl.refl.nodes.VariableAccessor
org.mvel2.optimizers.impl.refl.nodes.WithAccessor
org.mvel2.optimizers.impl.refl.nodes.WithAccessor.ExecutablePairs
org.mvel2.sh.Command
org.mvel2.sh.CommandException
org.mvel2.sh.CommandSet
org.mvel2.sh.DefaultEnvironment
org.mvel2.sh.Main
org.mvel2.sh.ShellSession
org.mvel2.sh.ShellSession.RunState
org.mvel2.sh.command.basic.BasicCommandSet
org.mvel2.sh.command.basic.Exit
org.mvel2.sh.command.basic.Help
org.mvel2.sh.command.basic.ObjectInspector
org.mvel2.sh.command.basic.PushContext
org.mvel2.sh.command.basic.Set
org.mvel2.sh.command.basic.ShowVars
org.mvel2.sh.command.file.ChangeWorkingDir
org.mvel2.sh.command.file.DirList
org.mvel2.sh.command.file.FileCommandSet
org.mvel2.sh.command.file.PrintWorkingDirectory
org.mvel2.sh.text.TextUtil
org.mvel2.templates.CompiledTemplate
org.mvel2.templates.SimpleTemplateRegistry
org.mvel2.templates.TemplateCompiler
org.mvel2.templates.TemplateDebug
org.mvel2.templates.TemplateError
org.mvel2.templates.TemplateRegistry
org.mvel2.templates.TemplateRuntime
org.mvel2.templates.TemplateRuntimeError
org.mvel2.templates.TemplateSyntaxError
org.mvel2.templates.res.CodeNode
org.mvel2.templates.res.CommentNode
org.mvel2.templates.res.CompiledCodeNode
org.mvel2.templates.res.CompiledDeclareNode
org.mvel2.templates.res.CompiledEvalNode
org.mvel2.templates.res.CompiledExpressionNode
org.mvel2.templates.res.CompiledForEachNode
org.mvel2.templates.res.CompiledIfNode
org.mvel2.templates.res.CompiledIncludeNode
org.mvel2.templates.res.CompiledNamedIncludeNode
org.mvel2.templates.res.CompiledTerminalExpressionNode
org.mvel2.templates.res.DeclareNode
org.mvel2.templates.res.EndNode
org.mvel2.templates.res.EvalNode
org.mvel2.templates.res.ExpressionNode
org.mvel2.templates.res.ForEachNode
org.mvel2.templates.res.IfNode
org.mvel2.templates.res.IncludeNode
org.mvel2.templates.res.NamedIncludeNode
org.mvel2.templates.res.Node
org.mvel2.templates.res.Opcodes
org.mvel2.templates.res.TerminalExpressionNode
org.mvel2.templates.res.TerminalNode
org.mvel2.templates.res.TextNode
org.mvel2.templates.util.ArrayIterator
org.mvel2.templates.util.CountIterator
org.mvel2.templates.util.TemplateOutputStream
org.mvel2.templates.util.TemplateTools
org.mvel2.templates.util.io.StandardOutputStream
org.mvel2.templates.util.io.StringAppenderStream
org.mvel2.templates.util.io.StringBuilderStream
org.mvel2.util.ASTBinaryTree
org.mvel2.util.ASTIterator
org.mvel2.util.ASTLinkedList
org.mvel2.util.ArgsRepackUtil
org.mvel2.util.ArrayTools
org.mvel2.util.CallableProxy
org.mvel2.util.CollectionParser
org.mvel2.util.CompatibilityStrategy
org.mvel2.util.CompatibilityStrategy.CompatibilityEvaluator
org.mvel2.util.CompatibilityStrategy.DefaultCompatibilityEvaluator
org.mvel2.util.CompilerTools
org.mvel2.util.ErrorUtil
org.mvel2.util.ExecutionStack
org.mvel2.util.FastList
org.mvel2.util.FunctionParser
org.mvel2.util.JITClassLoader
org.mvel2.util.LineMapper
org.mvel2.util.LineMapper.LineLookup
org.mvel2.util.MVELClassLoader
org.mvel2.util.Make
org.mvel2.util.Make.List
org.mvel2.util.Make.Map
org.mvel2.util.Make.Set
org.mvel2.util.Make.String
org.mvel2.util.MethodStub
org.mvel2.util.NullType
org.mvel2.util.ParseTools
org.mvel2.util.PropertyTools
org.mvel2.util.ProtoParser
org.mvel2.util.ReflectionUtil
org.mvel2.util.SharedVariableSpaceModel
org.mvel2.util.SimpleIndexHashMapWrapper
org.mvel2.util.SimpleVariableSpaceModel
org.mvel2.util.Soundex
org.mvel2.util.Stack
org.mvel2.util.StackElement
org.mvel2.util.StaticFieldStub
org.mvel2.util.StaticStub
org.mvel2.util.StringAppender
org.mvel2.util.ThisLiteral
org.mvel2.util.TriFunction
org.mvel2.util.Varargs
org.mvel2.util.VariableSpaceCompiler
org.mvel2.util.VariableSpaceModel