Spring Boot+thymeleaf+Layui 表格渲染出错问题

前言

我在使用Layui做前端表格的时候遇到两个问题，第二个问题其实是我自己解决第一个问题不注意带来的问题，也是这第二个问题困扰了我很久，所以记录一下。

一、Layui [[]] 使用的问题

最开始我按照Layui官网的代码写好了一个html页面

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<html>
<head>
    <meta charset="utf-8">
    <title>Layui</title>
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <script th:src="@{/js/jquery-3.4.1.js}" type="text/javascript"></script>
    <script th:src="@{/layui/layui.js}"></script>
    <link th:href="@{/layui/css/layui.css}" rel="stylesheet" />
</head>
<body>
<table class="layui-hide" id="list"></table>
<script>
    layui.use('table', function(){
        var table = layui.table;
        table.render({
            elem: '#list'
            ,url:'/customer/page'
            ,method:'POST'
            ,cols: [[
                {field:'id', width:80, title: 'ID', sort: true}
                ,{field:'name', width:80, title: '姓名'}
                ,{field:'phone', width:80, title: '手机号', sort: true}
                ,{field:'licenseNumber', width:80, title: '车牌号'}
                ,{field:'licenseNumberUrl', title: '车牌图片', minWidth: 150}
            ]]
            ,page: true
        });
    });
</script>

</body>
</html>

然后访问报错如下

This application has no explicit mapping for /error, so you are seeing this as a fallback.
Mon Dec 16 00:59:46 CST 2019
There was an unexpected error (type=Internal Server Error, status=500).
An error happened during template parsing (template: "class path resource [templates/customer_list.html]")
org.thymeleaf.exceptions.TemplateInputException: An error happened during template parsing (template: "class path resource [templates/customer_list.html]")
    at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:241)
    at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parseStandalone(AbstractMarkupTemplateParser.java:100)
    at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:666)
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098)
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072)
    at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:362)
    at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:189)
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1373)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1118)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1057)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1591)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.attoparser.ParseException: Could not parse as expression: "
                {field:'id', width:80, title: 'ID', sort: true}
                ,{field:'name', width:80, title: '姓名'}
                ,{field:'phone', width:80, title: '手机号', sort: true}
                ,{field:'licenseNumber', width:80, title: '车牌号'}
                ,{field:'licenseNumberUrl', title: '车牌图片', minWidth: 150}

            " (template: "customer_list" - line 23, col 22)
    at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:393)
    at org.attoparser.MarkupParser.parse(MarkupParser.java:257)
    at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230)
    ... 48 more
Caused by: org.thymeleaf.exceptions.TemplateProcessingException: Could not parse as expression: "
                {field:'id', width:80, title: 'ID', sort: true}
                ,{field:'name', width:80, title: '姓名'}
                ,{field:'phone', width:80, title: '手机号', sort: true}
                ,{field:'licenseNumber', width:80, title: '车牌号'}
                ,{field:'licenseNumberUrl', title: '车牌图片', minWidth: 150}

            " (template: "customer_list" - line 23, col 22)
    at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:131)
    at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:62)
    at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:44)
    at org.thymeleaf.engine.EngineEventUtils.parseAttributeExpression(EngineEventUtils.java:220)
    at org.thymeleaf.engine.EngineEventUtils.computeAttributeExpression(EngineEventUtils.java:207)
    at org.thymeleaf.standard.processor.AbstractStandardExpressionAttributeTagProcessor.doProcess(AbstractStandardExpressionAttributeTagProcessor.java:125)
    at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74)
    at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95)
    at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633)
    at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314)
    at org.thymeleaf.engine.TemplateHandlerAdapterMarkupHandler.handleOpenElementEnd(TemplateHandlerAdapterMarkupHandler.java:304)
    at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler$InlineMarkupAdapterPreProcessorHandler.handleOpenElementEnd(InlinedOutputExpressionMarkupHandler.java:278)
    at org.thymeleaf.standard.inline.OutputExpressionInlinePreProcessorHandler.performInlining(OutputExpressionInlinePreProcessorHandler.java:440)
    at org.thymeleaf.standard.inline.OutputExpressionInlinePreProcessorHandler.handleText(OutputExpressionInlinePreProcessorHandler.java:146)
    at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler.handleText(InlinedOutputExpressionMarkupHandler.java:80)
    at org.attoparser.HtmlMarkupHandler.handleText(HtmlMarkupHandler.java:208)
    at org.attoparser.AbstractChainedMarkupHandler.handleText(AbstractChainedMarkupHandler.java:203)
    at org.attoparser.MarkupParser.parseBuffer(MarkupParser.java:557)
    at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:301)
    ... 50 more

这个问题我在网上搜到了，是因为[[]]使用的问题

[[]]

这个问题有两个解决办法

<script>标签中添加 th:inline="none"

inline=none
在 [[ 和 ]] 中间换行

[]

在解决这个问题的时候我选择了第一种方式，所以也带来了我的第二个错误

二、不能使用 `` 注释

我开始的代码的时候写了一点注释

注释

就出现了下面的错误

This application has no explicit mapping for /error, so you are seeing this as a fallback.
Mon Dec 16 01:13:59 CST 2019
There was an unexpected error (type=Internal Server Error, status=500).
An error happened during template parsing (template: "class path resource [templates/customer_list.html]")
org.thymeleaf.exceptions.TemplateInputException: An error happened during template parsing (template: "class path resource [templates/customer_list.html]")
    at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:241)
    at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parseStandalone(AbstractMarkupTemplateParser.java:100)
    at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:666)
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098)
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072)
    at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:362)
    at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:189)
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1373)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1118)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1057)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1591)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.attoparser.ParseException: Could not parse as expression: "" (template: "customer_list" - line 17, col 15)
    at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:393)
    at org.attoparser.MarkupParser.parse(MarkupParser.java:257)
    at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230)
    ... 48 more
Caused by: org.thymeleaf.exceptions.TemplateProcessingException: Could not parse as expression: "" (template: "customer_list" - line 17, col 15)
    at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:131)
    at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:62)
    at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:44)
    at org.thymeleaf.standard.inline.AbstractStandardInliner.processExpression(AbstractStandardInliner.java:527)
    at org.thymeleaf.standard.inline.AbstractStandardInliner.performInlining(AbstractStandardInliner.java:389)
    at org.thymeleaf.standard.inline.AbstractStandardInliner.inline(AbstractStandardInliner.java:283)
    at org.thymeleaf.standard.processor.StandardInliningCommentProcessor.doProcess(StandardInliningCommentProcessor.java:55)
    at org.thymeleaf.processor.comment.AbstractCommentProcessor.process(AbstractCommentProcessor.java:57)
    at org.thymeleaf.util.ProcessorConfigurationUtils$CommentProcessorWrapper.process(ProcessorConfigurationUtils.java:681)
    at org.thymeleaf.engine.ProcessorTemplateHandler.handleComment(ProcessorTemplateHandler.java:665)
    at org.thymeleaf.engine.TemplateHandlerAdapterMarkupHandler.handleComment(TemplateHandlerAdapterMarkupHandler.java:205)
    at org.attoparser.AbstractChainedMarkupHandler.handleComment(AbstractChainedMarkupHandler.java:193)
    at org.attoparser.HtmlMarkupHandler.handleComment(HtmlMarkupHandler.java:195)
    at org.attoparser.AbstractChainedMarkupHandler.handleComment(AbstractChainedMarkupHandler.java:193)
    at org.attoparser.ParsingCommentMarkupUtil.parseComment(ParsingCommentMarkupUtil.java:54)
    at org.attoparser.MarkupParser.parseBuffer(MarkupParser.java:753)
    at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:301)
    ... 50 more

这个问题我自己看，网上搜，弄了很久，都没解决掉这个问题。因为错误已经和第一次不一样了，我认为 th:inline="none" 是起了作用的，但是我还是用了第二种方法试了，还是这个错误，因为我用第二种方法的时候也没有删掉我写的注释。经过我的潜心研究依然没解决，后来我又把代码恢复到原来那样，然后就回到了第一个问题，因为网上都说就是[[]]的问题，我又试了一下，然后就可以了，这个世界就是如此的魔幻。

成功了后，我就开始找刚才到底是哪里没写对，最终知道是注释的原因，这个世界真是无比的魔幻。

如果还是想注释，应该怎样写呢？将 [[]] 写成 [ [] ]就可以了

[ [] ]

最后编辑于：2019.12.16 01:34:44

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Spring Boot+thymeleaf+Layui 表格渲染出错问题

前言

一、Layui [[]] 使用的问题

二、不能使用  注释

推荐阅读更多精彩内容

二、不能使用 `` 注释