Ext2.1 Hello World.

本文介绍了一个使用ExtJS库创建简单消息框的应用实例。通过加载必要的样式表和脚本文件,演示了如何利用Ext.onReady确保DOM准备好后再执行JavaScript代码。此外,还展示了如何通过Ext.MessageBox.alert方法显示带有自定义标题和内容的消息框。

F:\javaTools\jdk-1.8\bin\java.exe -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:F:\javaTools\IntelliJ IDEA 2025.2\lib\idea_rt.jar=59017" -Dfile.encoding=UTF-8 -classpath F:\javaTools\jdk-1.8\jre\lib\charsets.jar;F:\javaTools\jdk-1.8\jre\lib\deploy.jar;F:\javaTools\jdk-1.8\jre\lib\ext\access-bridge-64.jar;F:\javaTools\jdk-1.8\jre\lib\ext\cldrdata.jar;F:\javaTools\jdk-1.8\jre\lib\ext\dnsns.jar;F:\javaTools\jdk-1.8\jre\lib\ext\jaccess.jar;F:\javaTools\jdk-1.8\jre\lib\ext\localedata.jar;F:\javaTools\jdk-1.8\jre\lib\ext\nashorn.jar;F:\javaTools\jdk-1.8\jre\lib\ext\sunec.jar;F:\javaTools\jdk-1.8\jre\lib\ext\sunjce_provider.jar;F:\javaTools\jdk-1.8\jre\lib\ext\sunmscapi.jar;F:\javaTools\jdk-1.8\jre\lib\ext\sunpkcs11.jar;F:\javaTools\jdk-1.8\jre\lib\ext\zipfs.jar;F:\javaTools\jdk-1.8\jre\lib\javaws.jar;F:\javaTools\jdk-1.8\jre\lib\jce.jar;F:\javaTools\jdk-1.8\jre\lib\jfr.jar;F:\javaTools\jdk-1.8\jre\lib\jsse.jar;F:\javaTools\jdk-1.8\jre\lib\management-agent.jar;F:\javaTools\jdk-1.8\jre\lib\plugin.jar;F:\javaTools\jdk-1.8\jre\lib\resources.jar;F:\javaTools\jdk-1.8\jre\lib\rt.jar;F:\javaCode\spring-boot-01-helloworld\target\test-classes;F:\javaCode\spring-boot-01-helloworld\target\classes;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-starter-web\1.5.9.RELEASE\spring-boot-starter-web-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-starter\1.5.9.RELEASE\spring-boot-starter-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot\1.5.9.RELEASE\spring-boot-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-autoconfigure\1.5.9.RELEASE\spring-boot-autoconfigure-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-starter-logging\1.5.9.RELEASE\spring-boot-starter-logging-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\ch\qos\logback\logback-classic\1.1.11\logback-classic-1.1.11.jar;F:\javaTools\apache-maven\maven-repository\ch\qos\logback\logback-core\1.1.11\logback-core-1.1.11.jar;F:\javaTools\apache-maven\maven-repository\org\slf4j\jcl-over-slf4j\1.7.25\jcl-over-slf4j-1.7.25.jar;F:\javaTools\apache-maven\maven-repository\org\slf4j\jul-to-slf4j\1.7.25\jul-to-slf4j-1.7.25.jar;F:\javaTools\apache-maven\maven-repository\org\slf4j\log4j-over-slf4j\1.7.25\log4j-over-slf4j-1.7.25.jar;F:\javaTools\apache-maven\maven-repository\org\yaml\snakeyaml\1.17\snakeyaml-1.17.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-starter-tomcat\1.5.9.RELEASE\spring-boot-starter-tomcat-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\apache\tomcat\embed\tomcat-embed-core\8.5.23\tomcat-embed-core-8.5.23.jar;F:\javaTools\apache-maven\maven-repository\org\apache\tomcat\tomcat-annotations-api\8.5.23\tomcat-annotations-api-8.5.23.jar;F:\javaTools\apache-maven\maven-repository\org\apache\tomcat\embed\tomcat-embed-el\8.5.23\tomcat-embed-el-8.5.23.jar;F:\javaTools\apache-maven\maven-repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.5.23\tomcat-embed-websocket-8.5.23.jar;F:\javaTools\apache-maven\maven-repository\org\hibernate\hibernate-validator\5.3.6.Final\hibernate-validator-5.3.6.Final.jar;F:\javaTools\apache-maven\maven-repository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;F:\javaTools\apache-maven\maven-repository\org\jboss\logging\jboss-logging\3.3.1.Final\jboss-logging-3.3.1.Final.jar;F:\javaTools\apache-maven\maven-repository\com\fasterxml\classmate\1.3.4\classmate-1.3.4.jar;F:\javaTools\apache-maven\maven-repository\com\fasterxml\jackson\core\jackson-databind\2.8.10\jackson-databind-2.8.10.jar;F:\javaTools\apache-maven\maven-repository\com\fasterxml\jackson\core\jackson-annotations\2.8.0\jackson-annotations-2.8.0.jar;F:\javaTools\apache-maven\maven-repository\com\fasterxml\jackson\core\jackson-core\2.8.10\jackson-core-2.8.10.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-web\4.3.13.RELEASE\spring-web-4.3.13.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-aop\4.3.13.RELEASE\spring-aop-4.3.13.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-beans\4.3.13.RELEASE\spring-beans-4.3.13.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-context\4.3.13.RELEASE\spring-context-4.3.13.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-webmvc\4.3.13.RELEASE\spring-webmvc-4.3.13.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-expression\4.3.13.RELEASE\spring-expression-4.3.13.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-starter-test\1.5.9.RELEASE\spring-boot-starter-test-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-test\1.5.9.RELEASE\spring-boot-test-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\boot\spring-boot-test-autoconfigure\1.5.9.RELEASE\spring-boot-test-autoconfigure-1.5.9.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\com\jayway\jsonpath\json-path\2.2.0\json-path-2.2.0.jar;F:\javaTools\apache-maven\maven-repository\net\minidev\json-smart\2.2.1\json-smart-2.2.1.jar;F:\javaTools\apache-maven\maven-repository\net\minidev\accessors-smart\1.1\accessors-smart-1.1.jar;F:\javaTools\apache-maven\maven-repository\org\ow2\asm\asm\5.0.3\asm-5.0.3.jar;F:\javaTools\apache-maven\maven-repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;F:\javaTools\apache-maven\maven-repository\junit\junit\4.12\junit-4.12.jar;F:\javaTools\apache-maven\maven-repository\org\assertj\assertj-core\2.6.0\assertj-core-2.6.0.jar;F:\javaTools\apache-maven\maven-repository\org\mockito\mockito-core\1.10.19\mockito-core-1.10.19.jar;F:\javaTools\apache-maven\maven-repository\org\objenesis\objenesis\2.1\objenesis-2.1.jar;F:\javaTools\apache-maven\maven-repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;F:\javaTools\apache-maven\maven-repository\org\hamcrest\hamcrest-library\1.3\hamcrest-library-1.3.jar;F:\javaTools\apache-maven\maven-repository\org\skyscreamer\jsonassert\1.4.0\jsonassert-1.4.0.jar;F:\javaTools\apache-maven\maven-repository\com\vaadin\external\google\android-json\0.0.20131108.vaadin1\android-json-0.0.20131108.vaadin1.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-core\4.3.13.RELEASE\spring-core-4.3.13.RELEASE.jar;F:\javaTools\apache-maven\maven-repository\org\springframework\spring-test\4.3.13.RELEASE\spring-test-4.3.13.RELEASE.jar com.it.k.springboot01helloworld.SpringBoot01HelloworldApplication 错误: 找不到或无法加载主类 com.it.k.springboot01helloworld.SpringBoot01HelloworldApplication
08-27
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