public class SpElUtils {
public static Object getValue(Map<String,Object> context,String template){
ExpressionParser parser = new SpelExpressionParser();
StandardEvaluationContext stdContext = new StandardEvaluationContext();
stdContext.setVariables(context);
return parser.parseExpression(template,new TemplateParserContext()).getValue(stdContext);
}
}
SpEL 表达式语法:
https://blog.youkuaiyun.com/zhengren964/article/details/131509602