起初我使用layui做的后台项目,发现数据表格好像不支持数据字典的转换功能,网上搜了一大堆,终于找到dwr可以实现此功能:layui表格数据字典转换实现DWR_wuyue521_2008的专栏-优快云博客
最后实现起来了,确实很好使,数据表格根据字典查询显示出来了,给大家分享一下我的数据字典在layui应用的笔记:
js 模板添加字典查询:
{field:'isLink',title: '是否跳转', width:100, align:'center',
templet:function(d){ return getDictionaryValue('common_boolean',d.isLink)}}
<select> 标签字典列表查询:
字典类型:
<div class="layui-inline">
<t:select name="label" dicCode="label_type" blank="请选择类型"></t:select>
</div>
id: 如果id为空 即赋值name,
name: 查询、传递后台参数
dicCode: 字典CODE
defaultValue: 默认选择值
must: true/false 是否必选
blank: 未选提示信息
<input type="radio"> 单选项字典列表查询
@if(isEmpty(user)) {
<t:radio name="sex" dicCode="common_sex" defaultValue="0"></t:radio>
@}else {
<t:radio name="sex" dicCode="common_sex" defaultValue="${user.sex!}"></t:radio>
@}
可当我兴冲冲的将项目打包成.jar,部署到公司线上服务器上时,却发现只要用到数据字典的列表通通不能用了,我当时懵了,明明在本地能使用,为啥部署到线上出问题了?
我查了一下控制台报错信息,如下:
[ERROR] [DwrServlet.java] [init] [http-nio-9001-exec-5:80] [] [] [init failed]
org.directwebremoting.extend.ContainerConfigurationException: java.lang.IllegalArgumentException: name
at org.directwebremoting.impl.StartupUtil.createAndSetupDefaultContainer(StartupUtil.java:194)
at org.directwebremoting.servlet.DwrServlet.createContainer(DwrServlet.java:101)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:64)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1134)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:777)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:135)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalArgumentException: name
at sun.misc.URLClassPath$Loader.getResource(URLClassPath.java:739)
at sun.misc.URLClassPath.getResource(URLClassPath.java:249)
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:93)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.loadFromParent(TomcatEmbeddedWebappClassLoader.java:110)
at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.doLoadClass(TomcatEmbeddedWebappClassLoader.java:83)
at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.loadClass(TomcatEmbeddedWebappClassLoader.java:66)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)
at org.directwebremoting.util.LocalUtil.classForName(LocalUtil.java:1197)
at org.directwebremoting.impl.DefaultContainer.addParameter(DefaultContainer.java:124)
at org.directwebremoting.impl.StartupUtil.setupDefaults(StartupUtil.java:565)
at org.directwebremoting.impl.StartupUtil.setupDefaultContainer(StartupUtil.java:246)
at org.directwebremoting.impl.StartupUtil.createAndSetupDefaultContainer(StartupUtil.java:189)
... 20 common frames omitted
[ERROR] [DirectJDKLog.java] [log] [http-nio-9001-exec-5:175] [] [] [Allocate exception for servlet [dwrServlet]]
java.lang.IllegalArgumentException: name
at sun.misc.URLClassPath$Loader.getResource(URLClassPath.java:739)
at sun.misc.URLClassPath.getResource(URLClassPath.java:249)
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:93)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.loadFromParent(TomcatEmbeddedWebappClassLoader.java:110)
at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.doLoadClass(TomcatEmbeddedWebappClassLoader.java:83)
at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.loadClass(TomcatEmbeddedWebappClassLoader.java:66)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)
at org.directwebremoting.util.LocalUtil.classForName(LocalUtil.java:1197)
at org.directwebremoting.impl.DefaultContainer.addParameter(DefaultContainer.java:124)
at org.directwebremoting.impl.StartupUtil.setupDefaults(StartupUtil.java:565)
at org.directwebremoting.impl.StartupUtil.setupDefaultContainer(StartupUtil.java:246)
at org.directwebremoting.impl.StartupUtil.createAndSetupDefaultContainer(StartupUtil.java:189)
at org.directwebremoting.servlet.DwrServlet.createContainer(DwrServlet.java:101)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:64)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1134)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:777)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:135)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
翻阅了好多资料,最终确定是导入了dwr-3.0.2-RELEASE.jar有问题,类加载器没有在内嵌tomcat处理好。
于是我就翻翻他们在github开源的dwr issues,还真找到了,哈哈
原贴问题在这里:SpringBoot Issue - LaunchedURLClassLoader throws java.lang.IllegalArgumentException · Issue #2 · directwebremoting/dwr · GitHub
已经有人将这个问题解决并编译过了,下载dwr-3.0.3-SNAPSHOT即可
maven就添加本地的吧:
<dependency>
<groupId>org.directwebremoting</groupId>
<artifactId>dwr</artifactId>
<version>3.0.3-SNAPSHOT</version>
<scope>system</scope>
<systemPath>${project.basedir}/src/main/resources/libraries/dwr-3.0.3-SNAPSHOT.jar</systemPath>
</dependency>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<includeSystemScope>true</includeSystemScope>
</configuration>
</plugin>
重新打包上传线上~启动~
如果哪位大佬有更好的方式解决方法,小弟受教!!