知识点是Groovy中的模板引擎

GStringTemplateEngine

第一个例子：

　　

def binding = [     firstname : "Grace",     lastname  : "Hopper",     accepted  : true,     title     : 'Groovy for COBOL programmers' ] def engine = new groovy.text.GStringTemplateEngine() def text = '''\ Dear <%= firstname %> $lastname, We <% if (accepted) print 'are pleased' else print 'regret' %> \ to inform you that your paper entitled '$title' was ${ accepted ? 'accepted' : 'rejected' }. The conference committee. ''' def template = engine.createTemplate(text).make(binding) println template.toString()

第二个例子:

String stringFromDatabase = 'Hello ${name}!'String name = 'world'def engine = new groovy.text.SimpleTemplateEngine()assert 'Hello world!'== engine.createTemplate(stringFromDatabase).make([name:name]).toString()