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layui表格数据渲染SpringBoot+Thymeleaf返回的数据时报错(Caused by: org.attoparser.ParseException: Could not parse as

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### layui table渲染数据时报错(Caused by: org.attoparser.ParseException: Could not parse as expression: ") 1. 后端环境:Springboot + thymeleaf 2. 渲染数据报错 ```bash Caused by: org.attoparser.ParseException: Could not parse as expression: " {type: 'checkbox'} ,{field:'id', title:'ID', width:80, fixed: 'left', unresize: true, sort: true, totalRowText: '合计'} ,{field:'name', title:'姓名', width:120, edit: 'text'} ,{field:'age', title:'年龄', width:80, sort: true, totalRow: true} ,{field:'sex', title:'性别', width:80, edit: 'text', sort: true} ,{fixed: 'right', title:'操作', toolbar: '#barDemo', width:150} " (template: "admin" - line 72, col 22) at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:393) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parse(MarkupParser.java:257) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] ... 48 common frames omitted Caused by: org.thymeleaf.exceptions.TemplateProcessingException: Could not parse as expression: " {type: 'checkbox'} ,{field:'id', title:'ID', width:80, fixed: 'left', unresize: true, sort: true, totalRowText: '合计'} ,{field:'name', title:'姓名', width:120, edit: 'text'} ,{field:'age', title:'年龄', width:80, sort: true, totalRow: true} ,{field:'sex', title:'性别', width:80, edit: 'text', sort: true} ,{fixed: 'right', title:'操作', toolbar: '#barDemo', width:150} " (template: "admin" - line 72, col 22) at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:131) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:62) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.standard.expression.StandardExpressionParser.parseExpression(StandardExpressionParser.java:44) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.engine.EngineEventUtils.parseAttributeExpression(EngineEventUtils.java:220) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.engine.EngineEventUtils.computeAttributeExpression(EngineEventUtils.java:207) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.standard.processor.AbstractStandardExpressionAttributeTagProcessor.doProcess(AbstractStandardExpressionAttributeTagProcessor.java:125) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.engine.TemplateHandlerAdapterMarkupHandler.handleOpenElementEnd(TemplateHandlerAdapterMarkupHandler.java:304) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler$InlineMarkupAdapterPreProcessorHandler.handleOpenElementEnd(InlinedOutputExpressionMarkupHandler.java:278) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.standard.inline.OutputExpressionInlinePreProcessorHandler.performInlining(OutputExpressionInlinePreProcessorHandler.java:440) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.standard.inline.OutputExpressionInlinePreProcessorHandler.handleText(OutputExpressionInlinePreProcessorHandler.java:146) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler.handleText(InlinedOutputExpressionMarkupHandler.java:80) ~[thymeleaf-3.0.11.RELEASE.jar:3.0.11.RELEASE] at org.attoparser.HtmlMarkupHandler.handleText(HtmlMarkupHandler.java:208) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.AbstractChainedMarkupHandler.handleText(AbstractChainedMarkupHandler.java:203) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parseBuffer(MarkupParser.java:557) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:301) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] ... 50 common frames omitted ``` 3. js渲染数据的代码 ```js table.render({ elem: '#test' ,method: 'GET' ,url:'/api/students' ,toolbar: '#toolbarDemo' ,title: '用户数据表' ,totalRow: true ,cols: [[ {type: 'checkbox'} ,{field:'id', title:'ID', width:80, fixed: 'left', unresize: true, sort: true, totalRowText: '合计'} ,{field:'name', title:'姓名', width:120, edit: 'text'} ,{field:'age', title:'年龄', width:80, sort: true, totalRow: true} ,{field:'sex', title:'性别', width:80, edit: 'text', sort: true} ,{fixed: 'right', title:'操作', toolbar: '#barDemo', width:150} ]] ,page: true ,parseData: function(res){ //res 即为原始返回的数据 return { "code": res.code, //解析接口状态 "msg": res.msg, //解析提示文本 "count": res.count, //解析数据长度 "data": res.data //解析数据列表 }; } }); ``` #### 【解决方式】 1. 把col后面的`[[]]`变为 ```txt [ [ //TODO ] ] ``` **原因: 因为[[…]]之间的表达式在thymeleaf被认为是内联表达式,所以渲染错误** [参考博客](https://blog.csdn.net/ystyaoshengting/articlehttps://img.qb5200.com/download-x/details/84773952):https://blog.csdn.net/ystyaoshengting/articlehttps://img.qb5200.com/download-x/details/84773952

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