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  • freemarker报错之八

    1、错误描写叙述

    freemarker.core.ParseException: Encountered "string" at line 21, column 21 in type.ftl.
    Was expecting one of:
        "}" ...
        "." ...
        "[" ...
        "(" ...
        "?" ...
        "!" ...
        <TERMINATING_EXCLAM> ...
        "??" ...
        "+" ...
        "-" ...
        "*" ...
        "/" ...
        "%" ...
        "!=" ...
        "=" ...
        "==" ...
        ">=" ...
        <ESCAPED_GTE> ...
        ">" ...
        <ESCAPED_GT> ...
        <LESS_THAN_EQUALS> ...
        <LESS_THAN> ...
        ".." ...
        <AND> ...
        <OR> ...
        
    	at freemarker.core.FMParser.generateParseException(FMParser.java:4702)
    	at freemarker.core.FMParser.jj_consume_token(FMParser.java:4573)
    	at freemarker.core.FMParser.StringOutput(FMParser.java:1070)
    	at freemarker.core.FMParser.Content(FMParser.java:2580)
    	at freemarker.core.FMParser.OptionalBlock(FMParser.java:2791)
    	at freemarker.core.FMParser.Root(FMParser.java:2963)
    	at freemarker.template.Template.<init>(Template.java:171)
    	at freemarker.cache.TemplateCache.loadTemplate(TemplateCache.java:447)
    	at freemarker.cache.TemplateCache.getTemplate(TemplateCache.java:360)
    	at freemarker.cache.TemplateCache.getTemplate(TemplateCache.java:235)
    	at freemarker.template.Configuration.getTemplate(Configuration.java:578)
    	at freemarker.template.Configuration.getTemplate(Configuration.java:543)
    	at com.you.freemarker.FreemarkerTemplate.getTemplate(FreemarkerTemplate.java:52)
    	at com.you.freemarker.FreemarkerTemplate.printFtl(FreemarkerTemplate.java:76)
    	at com.you.test.freemarker.FreemarkerTest.studentPrint(FreemarkerTest.java:172)
    	at com.you.test.freemarker.FreemarkerTest.testDataType(FreemarkerTest.java:159)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    	at java.lang.reflect.Method.invoke(Unknown Source)
    	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
    	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
    	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
    	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
    	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
    	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
    	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
    	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
    	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
    

    2、错误原因

     ${(num.color)??string}
        “??”出现错误,不符合freemarker中的语法规定


    3、解决的方法

         将“??”改动成符合freemarker语法的“???”

    ${(num.color)???string}

    结果:false

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  • 原文地址:https://www.cnblogs.com/lcchuguo/p/4496705.html
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