SpEL, Spring Expression Language
SpEL์ ๊ฐ ํ๊ฐ (evaluation)
ExpressionParser parser = new SpelExpressionParser();
Expression exp = parser.parseExpression("'Hello World'");
String message = (String) exp.getValue(); // "Hello World"
Expression expWow = parser.parseExpression("'Hello World'.concat('!')");
String messageWow = (String) expWow.getValue(); // "Hello World!"
Expression expString =
parser.parseExpression("new String('hello world').toUpperCase()");
String messageString = expString.getValue(String.class); // "HELLO WORLD"Bean์ Property๋ฅผ ์ค์ ํ ๋ ์ฌ์ฉํ๋ ๋ฐฉ์
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