SpelExpressionParser (Spring Framework 5.2.12.RELEASE API)

java.lang.Object
- org.springframework.expression.common.TemplateAwareExpressionParser
- - org.springframework.expression.spel.standard.SpelExpressionParser

所有已实现的接口:
ExpressionParser
```
public class SpelExpressionParser
extends TemplateAwareExpressionParser
```
SpEL parser. Instances are reusable and thread-safe.
从以下版本开始:
3.0
作者:
Andy Clement, Juergen Hoeller

构造器概要
构造器
构造器说明
SpelExpressionParser()
Create a parser with default settings.
SpelExpressionParser(SpelParserConfiguration configuration)
Create a parser with the specified configuration.

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`protected SpelExpression`	`doParseExpression(String expressionString, ParserContext context)`	Actually parse the expression string and return an Expression object.
`SpelExpression`	`parseRaw(String expressionString)`

从类继承的方法 org.springframework.expression.common.TemplateAwareExpressionParser
parseExpression, parseExpression

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - SpelExpressionParser
```
public SpelExpressionParser()
```
    Create a parser with default settings.
  - SpelExpressionParser
```
public SpelExpressionParser(SpelParserConfiguration configuration)
```
    Create a parser with the specified configuration.
    参数:
    configuration - custom configuration options
- 方法详细资料
  - parseRaw
```
public SpelExpression parseRaw(String expressionString)
                        throws ParseException
```
    抛出:
    ParseException
  - doParseExpression
```
protected SpelExpression doParseExpression(String expressionString,
                                           @Nullable
                                           ParserContext context)
                                    throws ParseException
```
    从类复制的说明: TemplateAwareExpressionParser
    Actually parse the expression string and return an Expression object.
    指定者:
    doParseExpression 在类中 TemplateAwareExpressionParser
    参数:
    expressionString - the raw expression string to parse
    context - a context for influencing this expression parsing routine (optional)
    返回:
    an evaluator for the parsed expression
    抛出:
    ParseException - an exception occurred during parsing