项目初步

master
liyansheng 2024-12-20 22:35:13 +08:00
commit 9d5d22c813
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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# Default ignored files
/shelf/
/workspace.xml

402
.idea/dbnavigator.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="DBNavigator.Project.DatabaseFileManager">
<open-files />
</component>
<component name="DBNavigator.Project.Settings">
<connections />
<browser-settings>
<general>
<display-mode value="TABBED" />
<navigation-history-size value="100" />
<show-object-details value="false" />
</general>
<filters>
<object-type-filter>
<object-type name="SCHEMA" enabled="true" />
<object-type name="USER" enabled="true" />
<object-type name="ROLE" enabled="true" />
<object-type name="PRIVILEGE" enabled="true" />
<object-type name="CHARSET" enabled="true" />
<object-type name="TABLE" enabled="true" />
<object-type name="VIEW" enabled="true" />
<object-type name="MATERIALIZED_VIEW" enabled="true" />
<object-type name="NESTED_TABLE" enabled="true" />
<object-type name="COLUMN" enabled="true" />
<object-type name="INDEX" enabled="true" />
<object-type name="CONSTRAINT" enabled="true" />
<object-type name="DATASET_TRIGGER" enabled="true" />
<object-type name="DATABASE_TRIGGER" enabled="true" />
<object-type name="SYNONYM" enabled="true" />
<object-type name="SEQUENCE" enabled="true" />
<object-type name="PROCEDURE" enabled="true" />
<object-type name="FUNCTION" enabled="true" />
<object-type name="PACKAGE" enabled="true" />
<object-type name="TYPE" enabled="true" />
<object-type name="TYPE_ATTRIBUTE" enabled="true" />
<object-type name="ARGUMENT" enabled="true" />
<object-type name="DIMENSION" enabled="true" />
<object-type name="CLUSTER" enabled="true" />
<object-type name="DBLINK" enabled="true" />
</object-type-filter>
</filters>
<sorting>
<object-type name="COLUMN" sorting-type="NAME" />
<object-type name="FUNCTION" sorting-type="NAME" />
<object-type name="PROCEDURE" sorting-type="NAME" />
<object-type name="ARGUMENT" sorting-type="POSITION" />
<object-type name="TYPE ATTRIBUTE" sorting-type="POSITION" />
</sorting>
<default-editors>
<object-type name="VIEW" editor-type="SELECTION" />
<object-type name="PACKAGE" editor-type="SELECTION" />
<object-type name="TYPE" editor-type="SELECTION" />
</default-editors>
</browser-settings>
<navigation-settings>
<lookup-filters>
<lookup-objects>
<object-type name="SCHEMA" enabled="true" />
<object-type name="USER" enabled="false" />
<object-type name="ROLE" enabled="false" />
<object-type name="PRIVILEGE" enabled="false" />
<object-type name="CHARSET" enabled="false" />
<object-type name="TABLE" enabled="true" />
<object-type name="VIEW" enabled="true" />
<object-type name="MATERIALIZED VIEW" enabled="true" />
<object-type name="INDEX" enabled="true" />
<object-type name="CONSTRAINT" enabled="true" />
<object-type name="DATASET TRIGGER" enabled="true" />
<object-type name="DATABASE TRIGGER" enabled="true" />
<object-type name="SYNONYM" enabled="false" />
<object-type name="SEQUENCE" enabled="true" />
<object-type name="PROCEDURE" enabled="true" />
<object-type name="FUNCTION" enabled="true" />
<object-type name="PACKAGE" enabled="true" />
<object-type name="TYPE" enabled="true" />
<object-type name="DIMENSION" enabled="false" />
<object-type name="CLUSTER" enabled="false" />
<object-type name="DBLINK" enabled="true" />
</lookup-objects>
<force-database-load value="false" />
<prompt-connection-selection value="true" />
<prompt-schema-selection value="true" />
</lookup-filters>
</navigation-settings>
<dataset-grid-settings>
<general>
<enable-zooming value="true" />
<enable-column-tooltip value="true" />
</general>
<sorting>
<nulls-first value="true" />
<max-sorting-columns value="4" />
</sorting>
<audit-columns>
<column-names value="" />
<visible value="true" />
<editable value="false" />
</audit-columns>
</dataset-grid-settings>
<dataset-editor-settings>
<text-editor-popup>
<active value="false" />
<active-if-empty value="false" />
<data-length-threshold value="100" />
<popup-delay value="1000" />
</text-editor-popup>
<values-actions-popup>
<show-popup-button value="true" />
<element-count-threshold value="1000" />
<data-length-threshold value="250" />
</values-actions-popup>
<general>
<fetch-block-size value="100" />
<fetch-timeout value="30" />
<trim-whitespaces value="true" />
<convert-empty-strings-to-null value="true" />
<select-content-on-cell-edit value="true" />
<large-value-preview-active value="true" />
</general>
<filters>
<prompt-filter-dialog value="true" />
<default-filter-type value="BASIC" />
</filters>
<qualified-text-editor text-length-threshold="300">
<content-types>
<content-type name="Text" enabled="true" />
<content-type name="Properties" enabled="true" />
<content-type name="XML" enabled="true" />
<content-type name="DTD" enabled="true" />
<content-type name="HTML" enabled="true" />
<content-type name="XHTML" enabled="true" />
<content-type name="Java" enabled="true" />
<content-type name="SQL" enabled="true" />
<content-type name="PL/SQL" enabled="true" />
<content-type name="JSON" enabled="true" />
<content-type name="JSON5" enabled="true" />
<content-type name="Groovy" enabled="true" />
<content-type name="YAML" enabled="true" />
<content-type name="Manifest" enabled="true" />
</content-types>
</qualified-text-editor>
<record-navigation>
<navigation-target value="VIEWER" />
</record-navigation>
</dataset-editor-settings>
<code-editor-settings>
<general>
<show-object-navigation-gutter value="false" />
<show-spec-declaration-navigation-gutter value="true" />
<enable-spellchecking value="true" />
<enable-reference-spellchecking value="false" />
</general>
<confirmations>
<save-changes value="false" />
<revert-changes value="true" />
<exit-on-changes value="ASK" />
</confirmations>
</code-editor-settings>
<code-completion-settings>
<filters>
<basic-filter>
<filter-element type="RESERVED_WORD" id="keyword" selected="true" />
<filter-element type="RESERVED_WORD" id="function" selected="true" />
<filter-element type="RESERVED_WORD" id="parameter" selected="true" />
<filter-element type="RESERVED_WORD" id="datatype" selected="true" />
<filter-element type="RESERVED_WORD" id="exception" selected="true" />
<filter-element type="OBJECT" id="schema" selected="true" />
<filter-element type="OBJECT" id="role" selected="true" />
<filter-element type="OBJECT" id="user" selected="true" />
<filter-element type="OBJECT" id="privilege" selected="true" />
<user-schema>
<filter-element type="OBJECT" id="table" selected="true" />
<filter-element type="OBJECT" id="view" selected="true" />
<filter-element type="OBJECT" id="materialized view" selected="true" />
<filter-element type="OBJECT" id="index" selected="true" />
<filter-element type="OBJECT" id="constraint" selected="true" />
<filter-element type="OBJECT" id="trigger" selected="true" />
<filter-element type="OBJECT" id="synonym" selected="false" />
<filter-element type="OBJECT" id="sequence" selected="true" />
<filter-element type="OBJECT" id="procedure" selected="true" />
<filter-element type="OBJECT" id="function" selected="true" />
<filter-element type="OBJECT" id="package" selected="true" />
<filter-element type="OBJECT" id="type" selected="true" />
<filter-element type="OBJECT" id="dimension" selected="true" />
<filter-element type="OBJECT" id="cluster" selected="true" />
<filter-element type="OBJECT" id="dblink" selected="true" />
</user-schema>
<public-schema>
<filter-element type="OBJECT" id="table" selected="false" />
<filter-element type="OBJECT" id="view" selected="false" />
<filter-element type="OBJECT" id="materialized view" selected="false" />
<filter-element type="OBJECT" id="index" selected="false" />
<filter-element type="OBJECT" id="constraint" selected="false" />
<filter-element type="OBJECT" id="trigger" selected="false" />
<filter-element type="OBJECT" id="synonym" selected="false" />
<filter-element type="OBJECT" id="sequence" selected="false" />
<filter-element type="OBJECT" id="procedure" selected="false" />
<filter-element type="OBJECT" id="function" selected="false" />
<filter-element type="OBJECT" id="package" selected="false" />
<filter-element type="OBJECT" id="type" selected="false" />
<filter-element type="OBJECT" id="dimension" selected="false" />
<filter-element type="OBJECT" id="cluster" selected="false" />
<filter-element type="OBJECT" id="dblink" selected="false" />
</public-schema>
<any-schema>
<filter-element type="OBJECT" id="table" selected="true" />
<filter-element type="OBJECT" id="view" selected="true" />
<filter-element type="OBJECT" id="materialized view" selected="true" />
<filter-element type="OBJECT" id="index" selected="true" />
<filter-element type="OBJECT" id="constraint" selected="true" />
<filter-element type="OBJECT" id="trigger" selected="true" />
<filter-element type="OBJECT" id="synonym" selected="true" />
<filter-element type="OBJECT" id="sequence" selected="true" />
<filter-element type="OBJECT" id="procedure" selected="true" />
<filter-element type="OBJECT" id="function" selected="true" />
<filter-element type="OBJECT" id="package" selected="true" />
<filter-element type="OBJECT" id="type" selected="true" />
<filter-element type="OBJECT" id="dimension" selected="true" />
<filter-element type="OBJECT" id="cluster" selected="true" />
<filter-element type="OBJECT" id="dblink" selected="true" />
</any-schema>
</basic-filter>
<extended-filter>
<filter-element type="RESERVED_WORD" id="keyword" selected="true" />
<filter-element type="RESERVED_WORD" id="function" selected="true" />
<filter-element type="RESERVED_WORD" id="parameter" selected="true" />
<filter-element type="RESERVED_WORD" id="datatype" selected="true" />
<filter-element type="RESERVED_WORD" id="exception" selected="true" />
<filter-element type="OBJECT" id="schema" selected="true" />
<filter-element type="OBJECT" id="user" selected="true" />
<filter-element type="OBJECT" id="role" selected="true" />
<filter-element type="OBJECT" id="privilege" selected="true" />
<user-schema>
<filter-element type="OBJECT" id="table" selected="true" />
<filter-element type="OBJECT" id="view" selected="true" />
<filter-element type="OBJECT" id="materialized view" selected="true" />
<filter-element type="OBJECT" id="index" selected="true" />
<filter-element type="OBJECT" id="constraint" selected="true" />
<filter-element type="OBJECT" id="trigger" selected="true" />
<filter-element type="OBJECT" id="synonym" selected="true" />
<filter-element type="OBJECT" id="sequence" selected="true" />
<filter-element type="OBJECT" id="procedure" selected="true" />
<filter-element type="OBJECT" id="function" selected="true" />
<filter-element type="OBJECT" id="package" selected="true" />
<filter-element type="OBJECT" id="type" selected="true" />
<filter-element type="OBJECT" id="dimension" selected="true" />
<filter-element type="OBJECT" id="cluster" selected="true" />
<filter-element type="OBJECT" id="dblink" selected="true" />
</user-schema>
<public-schema>
<filter-element type="OBJECT" id="table" selected="true" />
<filter-element type="OBJECT" id="view" selected="true" />
<filter-element type="OBJECT" id="materialized view" selected="true" />
<filter-element type="OBJECT" id="index" selected="true" />
<filter-element type="OBJECT" id="constraint" selected="true" />
<filter-element type="OBJECT" id="trigger" selected="true" />
<filter-element type="OBJECT" id="synonym" selected="true" />
<filter-element type="OBJECT" id="sequence" selected="true" />
<filter-element type="OBJECT" id="procedure" selected="true" />
<filter-element type="OBJECT" id="function" selected="true" />
<filter-element type="OBJECT" id="package" selected="true" />
<filter-element type="OBJECT" id="type" selected="true" />
<filter-element type="OBJECT" id="dimension" selected="true" />
<filter-element type="OBJECT" id="cluster" selected="true" />
<filter-element type="OBJECT" id="dblink" selected="true" />
</public-schema>
<any-schema>
<filter-element type="OBJECT" id="table" selected="true" />
<filter-element type="OBJECT" id="view" selected="true" />
<filter-element type="OBJECT" id="materialized view" selected="true" />
<filter-element type="OBJECT" id="index" selected="true" />
<filter-element type="OBJECT" id="constraint" selected="true" />
<filter-element type="OBJECT" id="trigger" selected="true" />
<filter-element type="OBJECT" id="synonym" selected="true" />
<filter-element type="OBJECT" id="sequence" selected="true" />
<filter-element type="OBJECT" id="procedure" selected="true" />
<filter-element type="OBJECT" id="function" selected="true" />
<filter-element type="OBJECT" id="package" selected="true" />
<filter-element type="OBJECT" id="type" selected="true" />
<filter-element type="OBJECT" id="dimension" selected="true" />
<filter-element type="OBJECT" id="cluster" selected="true" />
<filter-element type="OBJECT" id="dblink" selected="true" />
</any-schema>
</extended-filter>
</filters>
<sorting enabled="true">
<sorting-element type="RESERVED_WORD" id="keyword" />
<sorting-element type="RESERVED_WORD" id="datatype" />
<sorting-element type="OBJECT" id="column" />
<sorting-element type="OBJECT" id="table" />
<sorting-element type="OBJECT" id="view" />
<sorting-element type="OBJECT" id="materialized view" />
<sorting-element type="OBJECT" id="index" />
<sorting-element type="OBJECT" id="constraint" />
<sorting-element type="OBJECT" id="trigger" />
<sorting-element type="OBJECT" id="synonym" />
<sorting-element type="OBJECT" id="sequence" />
<sorting-element type="OBJECT" id="procedure" />
<sorting-element type="OBJECT" id="function" />
<sorting-element type="OBJECT" id="package" />
<sorting-element type="OBJECT" id="type" />
<sorting-element type="OBJECT" id="dimension" />
<sorting-element type="OBJECT" id="cluster" />
<sorting-element type="OBJECT" id="dblink" />
<sorting-element type="OBJECT" id="schema" />
<sorting-element type="OBJECT" id="role" />
<sorting-element type="OBJECT" id="user" />
<sorting-element type="RESERVED_WORD" id="function" />
<sorting-element type="RESERVED_WORD" id="parameter" />
</sorting>
<format>
<enforce-code-style-case value="true" />
</format>
</code-completion-settings>
<execution-engine-settings>
<statement-execution>
<fetch-block-size value="100" />
<execution-timeout value="20" />
<debug-execution-timeout value="600" />
<focus-result value="false" />
<prompt-execution value="false" />
</statement-execution>
<script-execution>
<command-line-interfaces />
<execution-timeout value="300" />
</script-execution>
<method-execution>
<execution-timeout value="30" />
<debug-execution-timeout value="600" />
<parameter-history-size value="10" />
</method-execution>
</execution-engine-settings>
<operation-settings>
<transactions>
<uncommitted-changes>
<on-project-close value="ASK" />
<on-disconnect value="ASK" />
<on-autocommit-toggle value="ASK" />
</uncommitted-changes>
<multiple-uncommitted-changes>
<on-commit value="ASK" />
<on-rollback value="ASK" />
</multiple-uncommitted-changes>
</transactions>
<session-browser>
<disconnect-session value="ASK" />
<kill-session value="ASK" />
<reload-on-filter-change value="false" />
</session-browser>
<compiler>
<compile-type value="KEEP" />
<compile-dependencies value="ASK" />
<always-show-controls value="false" />
</compiler>
</operation-settings>
<ddl-file-settings>
<extensions>
<mapping file-type-id="VIEW" extensions="vw" />
<mapping file-type-id="TRIGGER" extensions="trg" />
<mapping file-type-id="PROCEDURE" extensions="prc" />
<mapping file-type-id="FUNCTION" extensions="fnc" />
<mapping file-type-id="PACKAGE" extensions="pkg" />
<mapping file-type-id="PACKAGE_SPEC" extensions="pks" />
<mapping file-type-id="PACKAGE_BODY" extensions="pkb" />
<mapping file-type-id="TYPE" extensions="tpe" />
<mapping file-type-id="TYPE_SPEC" extensions="tps" />
<mapping file-type-id="TYPE_BODY" extensions="tpb" />
</extensions>
<general>
<lookup-ddl-files value="true" />
<create-ddl-files value="false" />
<synchronize-ddl-files value="true" />
<use-qualified-names value="false" />
<make-scripts-rerunnable value="true" />
</general>
</ddl-file-settings>
<general-settings>
<regional-settings>
<date-format value="MEDIUM" />
<number-format value="UNGROUPED" />
<locale value="SYSTEM_DEFAULT" />
<use-custom-formats value="false" />
</regional-settings>
<environment>
<environment-types>
<environment-type id="development" name="Development" description="Development environment" color="-2430209/-12296320" readonly-code="false" readonly-data="false" />
<environment-type id="integration" name="Integration" description="Integration environment" color="-2621494/-12163514" readonly-code="true" readonly-data="false" />
<environment-type id="production" name="Production" description="Productive environment" color="-11574/-10271420" readonly-code="true" readonly-data="true" />
<environment-type id="other" name="Other" description="" color="-1576/-10724543" readonly-code="false" readonly-data="false" />
</environment-types>
<visibility-settings>
<connection-tabs value="true" />
<dialog-headers value="true" />
<object-editor-tabs value="true" />
<script-editor-tabs value="false" />
<execution-result-tabs value="true" />
</visibility-settings>
</environment>
</general-settings>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding">
<file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
<option name="originalFiles">
<list>
<option value="$PROJECT_DIR$/pom.xml" />
</list>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
<Service name="Catalina">
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
<!--
<Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
maxThreads="150" SSLEnabled="true" scheme="https"
secure="true" clientAuth="false"
sslProtocol="TLS"
keystoreFile="conf/keystore.jks"
keystorePass="your_keystore_password" />
-->
<Engine name="Catalina" defaultHost="localhost">
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="ROOT" />
<Context path="/myapp" docBase="myapp" />
</Host>
</Engine>
</Service>
</Server>

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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<!-- 定义默认的欢迎文件列表 -->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 定义一些默认的MIME类型映射 -->
<mime-mapping>
<extension>html</extension>
<mime-type>text/html</mime-type>
</mime-mapping>
<mime-mapping>
<extension>txt</extension>
<mime-type>text/plain</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jpg</extension>
<mime-type>image/jpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>png</extension>
<mime-type>image/png</mime-type>
</mime-mapping>
<!-- 可以在这里定义一些默认的Servlet等以下是一个简单示例 -->
<servlet>
<servlet-name>jsp</servlet-name>
<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
<init-param>
<param-name>fork</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>3</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>jsp</servlet-name>
<url-pattern>*.jsp</url-pattern>
</servlet-mapping>
</web-app>

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<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
<Service name="Catalina">
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
<!--
<Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
maxThreads="150" SSLEnabled="true" scheme="https"
secure="true" clientAuth="false"
sslProtocol="TLS"
keystoreFile="conf/keystore.jks"
keystorePass="your_keystore_password" />
-->
<Engine name="Catalina" defaultHost="localhost">
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="ROOT" />
<Context path="/myapp" docBase="myapp" />
</Host>
</Engine>
</Service>
</Server>

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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<!-- 定义默认的欢迎文件列表 -->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 定义一些默认的MIME类型映射 -->
<mime-mapping>
<extension>html</extension>
<mime-type>text/html</mime-type>
</mime-mapping>
<mime-mapping>
<extension>txt</extension>
<mime-type>text/plain</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jpg</extension>
<mime-type>image/jpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>png</extension>
<mime-type>image/png</mime-type>
</mime-mapping>
<!-- 可以在这里定义一些默认的Servlet等以下是一个简单示例 -->
<servlet>
<servlet-name>jsp</servlet-name>
<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
<init-param>
<param-name>fork</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>3</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>jsp</servlet-name>
<url-pattern>*.jsp</url-pattern>
</servlet-mapping>
</web-app>

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>JSP_Servlet_Template</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>JSP_Servlet_Template Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- Servlet API -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<!-- JSP API -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.3</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.33</version>
</dependency>
<dependency>
<groupId>commons-dbutils</groupId>
<artifactId>commons-dbutils</artifactId>
<version>1.7</version> <!-- 最新版本可以在 Maven 仓库查询 -->
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.5</version> <!-- 最新版本请在 Maven 仓库查看 -->
</dependency>
<!-- JSTL -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- Servlet Implementation (optional, usually provided by your server) -->
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-servlet-api</artifactId>
<version>9.0.41</version>
<scope>provided</scope>
</dependency>
<!-- JSP Implementation (optional, usually provided by your server) -->
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper</artifactId>
<version>9.0.41</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<finalName>JSP_Servlet_Template</finalName>
</build>
<repositories>
<repository>
<id>public</id>
<name>aliyun nexus</name>
<url>https://maven.aliyun.com/repository/public</url>
<releases>
<enabled>true</enabled>
</releases>
</repository>
</repositories>
</project>

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# jsp+servlet项目模板

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package example.controller;
import example.model.User;
import example.dao.UserDao;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/register")
public class RegisterServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// 从请求中获取表单参数
String username = request.getParameter("username");
String password = request.getParameter("password");
// 创建用户对象
User user = new User(0,username, password);
UserDao userDao = new UserDao();
int save = 0;
try {
save = userDao.addUser("1","1");
} catch (Exception e) {
throw new RuntimeException(e);
}
response.setContentType("text/html; charset=UTF-8");
response.setCharacterEncoding("UTF-8");
response.getWriter().println("<html><body>");
response.getWriter().println("</body></html>");
if (save > 0) {
response.getWriter().println("注册成功~");
} else {
response.getWriter().println("注册失败~");
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.sendRedirect("register.jsp");
}
}

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package example.controller;
import example.model.User;
import example.utils.DBUtil;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/userList")
public class UserListServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final int PAGE_SIZE = 3; // 每页显示的记录数
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
int currentPage = 1; // 当前页码,默认第一页
String pageParam = request.getParameter("page");
if (pageParam!= null &&!pageParam.isEmpty()) {
currentPage = Integer.parseInt(pageParam);
}
String queryParam = request.getParameter("query"); // 获取查询条件参数
if (queryParam == null) {
queryParam = ""; // 设置默认值为空字符串,可根据实际情况调整
}
List<User> userList = new ArrayList<>();
String sql = getSqlWithQuery(queryParam); // 根据查询条件获取对应的SQL语句
int offset = (currentPage - 1) * PAGE_SIZE;
ResultSet resultSet = DBUtil.executeQuery(sql, offset, PAGE_SIZE);
try {
while (resultSet.next()) {
User user = new User();
user.setId(resultSet.getInt("id"));
user.setUsername(resultSet.getString("username"));
user.setPassword(resultSet.getString("password"));
userList.add(user);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.closeResources(null, null, resultSet);
}
int totalCount = getTotalCount(queryParam); // 根据查询条件获取总记录数
int totalPages = (totalCount + PAGE_SIZE - 1) / PAGE_SIZE; // 计算总页数
String pageLinks = generatePageLinks(currentPage, totalPages, queryParam); // 生成带查询条件的页码链接
request.setAttribute("userList", userList);
request.setAttribute("currentPage", currentPage);
request.setAttribute("totalPages", totalPages);
request.setAttribute("pageLinks", pageLinks);
request.setAttribute("query", queryParam); // 将查询条件也设置为属性传递给JSP页面用于回显等
request.getRequestDispatcher("/userList.jsp").forward(request, response);
}
private String getSqlWithQuery(String queryParam) {
StringBuilder sqlBuilder = new StringBuilder("SELECT * FROM user");
if (queryParam!= null &&!queryParam.isEmpty()) {
sqlBuilder.append(" WHERE username LIKE '%").append(queryParam).append("%'"); // 简单示例,按用户名模糊查询
}
sqlBuilder.append(" LIMIT ?,?");
return sqlBuilder.toString();
}
private int getTotalCount(String queryParam) {
StringBuilder sqlBuilder = new StringBuilder("SELECT COUNT(*) FROM user");
if (queryParam!= null &&!queryParam.isEmpty()) {
sqlBuilder.append(" WHERE username LIKE '%").append(queryParam).append("%'"); // 按用户名模糊查询统计数量
}
ResultSet resultSet = DBUtil.executeQuery(sqlBuilder.toString());
int totalCount = 0;
try {
if (resultSet.next()) {
totalCount = resultSet.getInt(1);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.closeResources(null, null, resultSet);
}
return totalCount;
}
private String generatePageLinks(int currentPage, int totalPages, String queryParam) {
StringBuilder pageLinksBuilder = new StringBuilder();
pageLinksBuilder.append("<ul class='pagination'>");
for (int i = 1; i <= totalPages; i++) {
if (i == currentPage) {
pageLinksBuilder.append("<li class='page-item active'><a class='page-link' href='#'>").append(i).append("</a></li>");
} else {
String queryParamEncoded;
if (queryParam == null) {
queryParamEncoded = ""; // 如果查询条件为null赋空字符串作为默认值
} else {
try {
queryParamEncoded = java.net.URLEncoder.encode(queryParam, "UTF-8"); // 对查询条件进行URL编码
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
queryParamEncoded = ""; // 编码出现异常也赋空字符串,避免后续问题
}
}
pageLinksBuilder.append("<li class='page-item'><a class='page-link' href='userList?page=").append(i).append("&query=").append(queryParamEncoded).append("'>").append(i).append("</a></li>");
}
}
pageLinksBuilder.append("</ul>");
return pageLinksBuilder.toString();
}
}

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package example.dao;
import example.model.User;
import example.utils.DBUtils;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;
import java.util.List;
public class UserDao {
private final QueryRunner queryRunner = new QueryRunner(DBUtils.getDataSource());
public int addUser(String name, String email) throws Exception {
String sql = "INSERT INTO user (username, password) VALUES (?, ?)";
return queryRunner.update(sql, name, email);
}
public User getUserById(int id) throws Exception {
String sql = "SELECT * FROM user WHERE id = ?";
return queryRunner.query(sql, new BeanHandler<>(User.class), id);
}
public List<User> getAllUser() throws Exception {
String sql = "SELECT * FROM user";
return queryRunner.query(sql, new BeanListHandler<>(User.class));
}
public int updateUser(int id, String name, String email) throws Exception {
String sql = "UPDATE user SET username = ?, password = ? WHERE id = ?";
return queryRunner.update(sql, name, email, id);
}
public int deleteUser(int id) throws Exception {
String sql = "DELETE FROM user WHERE id = ?";
return queryRunner.update(sql, id);
}
public static void main(String[] args) throws Exception {
UserDao userDao = new UserDao();
System.out.println(userDao.getUserById(1).getUsername());
}
}

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package example.model;
import com.sun.xml.internal.bind.v2.model.core.ID;
public class User {
private int id;
private String username;
private String password;
// 构造器
public User() {}
public User(int id,String username, String password) {
this.id= id;
this.username = username;
this.password = password;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}

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package example.utils;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class DBUtil {
private static final String URL = "jdbc:mysql://localhost:3306/guest_room_db?useSSL=false&serverTimezone=UTC";
private static final String USERNAME = "root";
private static final String PASSWORD = "root";
public static Connection getConnection() throws SQLException {
return DriverManager.getConnection(URL, USERNAME, PASSWORD);
}
public static void closeResources(Connection connection, PreparedStatement preparedStatement, ResultSet resultSet) {
try {
if (resultSet!= null) {
resultSet.close();
}
if (preparedStatement!= null) {
preparedStatement.close();
}
if (connection!= null) {
connection.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
public static ResultSet executeQuery(String sql, Object... params) {
Connection connection = null;
PreparedStatement preparedStatement = null;
ResultSet resultSet = null;
try {
connection = getConnection();
preparedStatement = connection.prepareStatement(sql);
for (int i = 0; i < params.length; i++) {
preparedStatement.setObject(i + 1, params[i]);
}
resultSet = preparedStatement.executeQuery();
} catch (SQLException e) {
e.printStackTrace();
}
return resultSet;
}
}

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package example.utils;
import com.mchange.v2.c3p0.ComboPooledDataSource;
public class DBUtils {
private static ComboPooledDataSource dataSource;
static {
try {
dataSource = new ComboPooledDataSource();
dataSource.setDriverClass("com.mysql.cj.jdbc.Driver");
dataSource.setJdbcUrl("jdbc:mysql://localhost:3306/jsp_temp_db?useSSL=false&serverTimezone=UTC");
dataSource.setUser("root");
dataSource.setPassword("root");
} catch (Exception e) {
e.printStackTrace();
}
}
public static ComboPooledDataSource getDataSource() {
return dataSource;
}
}

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<servlet-mapping>
<servlet-name>default</servlet-name>
<url-paths>
<url-path>/js/*</url-path>
</url-paths>
</servlet-mapping>

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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
<script src="https://www.liyansheng.top/cdn/watermark.js"></script>
<h2>首页</h2>
<a href="/register">注册</a>
</body>
</html>

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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<script src="https://www.liyansheng.top/cdn/watermark.js"></script>
</head>
<body>
<h2>用户注册</h2>
<form action="register" method="post">
<label for="username">用户名:</label>
<input type="text" id="username" name="username" required><br><br>
<label for="password">密码:</label>
<input type="password" id="password" name="password" required><br><br>
<button type="submit">注册</button>
</form>
<br>
</body>
</html>

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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="java.util.List" %>
<%@ page import="example.model.User" %>
<html>
<head>
<title>用户列表</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css">
</head>
<body>
<h1>用户列表</h1>
<form action="userList" method="get">
<div class="form-group">
<input type="text" class="form-control" name="query" placeholder="请输入用户名进行查询" value="${query}">
<button type="submit" class="btn btn-primary">查询</button>
</div>
</form>
<table border="1" class="table table-striped">
<tr>
<th>ID</th>
<th>用户名</th>
<th>密码</th>
</tr>
<c:forEach items="${userList}" var="user">
<tr>
<td>${user.id}</td>
<td>${user.username}</td>
<td>${user.password}</td>
</tr>
</c:forEach>
</table>
<br>
当前第 ${currentPage} 页,共 ${totalPages} 页
<div class="pagination-container">
${pageLinks}
</div>
</body>
</html>