feat: 初始化后端项目

.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

mvnw

@@ -0,0 +1,308 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.2.0
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "$(uname)" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME
+      else
+        JAVA_HOME="/Library/Java/Home"; export JAVA_HOME
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=$(java-config --jre-home)
+  fi
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] &&
+    JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="$(which javac)"
+  if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=$(which readlink)
+    if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
+      if $darwin ; then
+        javaHome="$(dirname "\"$javaExecutable\"")"
+        javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac"
+      else
+        javaExecutable="$(readlink -f "\"$javaExecutable\"")"
+      fi
+      javaHome="$(dirname "\"$javaExecutable\"")"
+      javaHome=$(expr "$javaHome" : '\(.*\)/bin')
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=$(cd "$wdir/.." || exit 1; pwd)
+    fi
+    # end of workaround
+  done
+  printf '%s' "$(cd "$basedir" || exit 1; pwd)"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    # Remove \r in case we run on Windows within Git Bash
+    # and check out the repository with auto CRLF management
+    # enabled. Otherwise, we may read lines that are delimited with
+    # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
+    # splitting rules.
+    tr -s '\r\n' ' ' < "$1"
+  fi
+}
+
+log() {
+  if [ "$MVNW_VERBOSE" = true ]; then
+    printf '%s\n' "$1"
+  fi
+}
+
+BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR
+log "$MAVEN_PROJECTBASEDIR"
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
+if [ -r "$wrapperJarPath" ]; then
+    log "Found $wrapperJarPath"
+else
+    log "Couldn't find $wrapperJarPath, downloading it ..."
+
+    if [ -n "$MVNW_REPOURL" ]; then
+      wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+    else
+      wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+    fi
+    while IFS="=" read -r key value; do
+      # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
+      safeValue=$(echo "$value" | tr -d '\r')
+      case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;;
+      esac
+    done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+    log "Downloading from: $wrapperUrl"
+
+    if $cygwin; then
+      wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
+    fi
+
+    if command -v wget > /dev/null; then
+        log "Found wget ... using wget"
+        [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        log "Found curl ... using curl"
+        [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
+        else
+            curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
+        fi
+    else
+        log "Falling back to using Java to download"
+        javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaSource=$(cygpath --path --windows "$javaSource")
+          javaClass=$(cygpath --path --windows "$javaClass")
+        fi
+        if [ -e "$javaSource" ]; then
+            if [ ! -e "$javaClass" ]; then
+                log " - Compiling MavenWrapperDownloader.java ..."
+                ("$JAVA_HOME/bin/javac" "$javaSource")
+            fi
+            if [ -e "$javaClass" ]; then
+                log " - Running MavenWrapperDownloader.java ..."
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+# If specified, validate the SHA-256 sum of the Maven wrapper jar file
+wrapperSha256Sum=""
+while IFS="=" read -r key value; do
+  case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;;
+  esac
+done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+if [ -n "$wrapperSha256Sum" ]; then
+  wrapperSha256Result=false
+  if command -v sha256sum > /dev/null; then
+    if echo "$wrapperSha256Sum  $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then
+      wrapperSha256Result=true
+    fi
+  elif command -v shasum > /dev/null; then
+    if echo "$wrapperSha256Sum  $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then
+      wrapperSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
+    echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
+    exit 1
+  fi
+  if [ $wrapperSha256Result = false ]; then
+    echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
+    echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
+    echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+# shellcheck disable=SC2086 # safe args
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

mvnw.cmd

@@ -0,0 +1,205 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.2.0
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %WRAPPER_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM If specified, validate the SHA-256 sum of the Maven wrapper jar file
+SET WRAPPER_SHA_256_SUM=""
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B
+)
+IF NOT %WRAPPER_SHA_256_SUM%=="" (
+    powershell -Command "&{"^
+       "$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^
+       "If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^
+       "  Write-Output 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^
+       "  Write-Output 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^
+       "  Write-Output 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^
+       "  exit 1;"^
+       "}"^
+       "}"
+    if ERRORLEVEL 1 goto error
+)
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

pom.xml

@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.2.2</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.njuzr</groupId>
+    <artifactId>EAI-Backend</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>EAI-Backend</name>
+    <description>EAI-Backend</description>
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <exclusions> <!--选择log4j2，则要排除掉Logback日志框架的依赖-->
+                <exclusion>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-logging</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!--log4j2日志依赖-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-log4j2</artifactId>
+            <version>3.2.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+
+        <!--mysql和mybatis-plus-->
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
+            <version>3.5.5</version>
+        </dependency>
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter-test</artifactId>
+            <version>3.0.3</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.33</version>
+        </dependency>
+
+
+        <!--ModelMapper，对象转换-->
+        <dependency>
+            <groupId>org.modelmapper</groupId>
+            <artifactId>modelmapper</artifactId>
+            <version>3.2.0</version>
+        </dependency>
+
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/com/njuzr/eaibackend/EaiBackendApplication.java

@@ -0,0 +1,13 @@
+package com.njuzr.eaibackend;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class EaiBackendApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(EaiBackendApplication.class, args);
+    }
+
+}

src/main/java/com/njuzr/eaibackend/controller/MyResponse.java

@@ -0,0 +1,26 @@
+package com.njuzr.eaibackend.controller;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 23:52
+ * @Package: EAI-Backend
+ */
+
+@Data
+@AllArgsConstructor
+public class MyResponse {
+    private int code;
+    private String msg;
+    private Object data;
+
+    public static MyResponse success(Object data) {
+        return new MyResponse(200, "Success", data);
+    }
+
+    public static MyResponse error(int errCode, String errMsg) {
+        return new MyResponse(errCode, errMsg, null);
+    }
+}

src/main/java/com/njuzr/eaibackend/controller/TestController.java

@@ -0,0 +1,19 @@
+package com.njuzr.eaibackend.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 22:14
+ * @Package: EAI-Backend
+ */
+@RestController
+@RequestMapping("/test")
+public class TestController {
+    @GetMapping
+    public MyResponse test() {
+        return MyResponse.success("测试成功了");
+    }
+}

src/main/java/com/njuzr/eaibackend/controller/UserController.java

@@ -0,0 +1,51 @@
+package com.njuzr.eaibackend.controller;
+
+import com.njuzr.eaibackend.dto.UserDTO;
+import com.njuzr.eaibackend.dto.UserRegisterDTO;
+import com.njuzr.eaibackend.exception.MyException;
+import com.njuzr.eaibackend.service.UserService;
+import com.njuzr.eaibackend.utils.ModelMapperUtil;
+import com.njuzr.eaibackend.vo.UserRegisterVO;
+import com.njuzr.eaibackend.vo.UserVO;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 22:11
+ * @Package: EAI-Backend
+ */
+
+@Slf4j
+@RestController
+@RequestMapping("/user")
+public class UserController {
+
+    private final UserService userService;
+
+    @Autowired
+    public UserController(UserService userService) {
+        this.userService = userService;
+    }
+
+    @PostMapping
+    public MyResponse createUser(@RequestBody UserRegisterVO userRegisterVO) {
+        log.info("createUser - 参数解析："+userRegisterVO.toString());
+
+        UserRegisterDTO userRegisterDTO = ModelMapperUtil.map(userRegisterVO, UserRegisterDTO.class);
+
+        UserDTO retUser;
+        try {
+            retUser = userService.createUser(userRegisterDTO);
+        } catch (MyException e) {
+            return MyResponse.error(501, e.getMessage());
+        } catch (Exception e) {
+            return MyResponse.error(501, "创建用户失败");
+        }
+
+        UserVO userVO = ModelMapperUtil.map(retUser, UserVO.class);
+
+        return MyResponse.success(userVO);
+    }
+}

src/main/java/com/njuzr/eaibackend/dto/UserDTO.java

@@ -0,0 +1,20 @@
+package com.njuzr.eaibackend.dto;
+
+import com.njuzr.eaibackend.po.base.BaseUser;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 22:08
+ * @Package: EAI-Backend
+ */
+
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Data
+public class UserDTO extends BaseUser{
+    private Long id; // User唯一标识（自增）
+}

src/main/java/com/njuzr/eaibackend/dto/UserRegisterDTO.java

@@ -0,0 +1,20 @@
+package com.njuzr.eaibackend.dto;
+
+import com.njuzr.eaibackend.po.base.BaseUser;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 09:14
+ * @Package: EAI-Backend
+ */
+
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Data
+public class UserRegisterDTO extends BaseUser{
+    private String password;
+}

src/main/java/com/njuzr/eaibackend/enums/Gender.java

@@ -0,0 +1,31 @@
+package com.njuzr.eaibackend.enums;
+
+import com.baomidou.mybatisplus.annotation.EnumValue;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 22:03
+ * @Package: EAI-Backend
+ */
+
+public enum Gender {
+    MAN(0, "MAN"),
+    WOMAN(1, "WOMAN");
+
+    @EnumValue
+    private final int code;
+    private final String gender;
+
+    Gender(int code, String gender) {
+        this.code = code;
+        this.gender = gender;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getGender() {
+        return gender;
+    }
+}

src/main/java/com/njuzr/eaibackend/enums/Role.java

@@ -0,0 +1,32 @@
+package com.njuzr.eaibackend.enums;
+
+import com.baomidou.mybatisplus.annotation.EnumValue;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 21:51
+ * @Package: EAI-Backend
+ */
+
+public enum Role {
+    ADMIN(0, "ADMIN"),
+    STUDENT(1, "STUDENT"),
+    TEACHER(2, "TEACHER");
+
+    @EnumValue
+    private final int code;
+    private final String role;
+
+    Role(int code, String role) {
+        this.code = code;
+        this.role = role;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getRole() {
+        return role;
+    }
+}

src/main/java/com/njuzr/eaibackend/exception/MyException.java

@@ -0,0 +1,19 @@
+package com.njuzr.eaibackend.exception;
+
+import lombok.Getter;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 09:05
+ * @Package: EAI-Backend
+ */
+
+@Getter
+public class MyException extends RuntimeException{
+    private int errCode;
+
+    public MyException(int errCode, String errMsg) {
+        super(errMsg);
+        this.errCode = errCode;
+    }
+}

src/main/java/com/njuzr/eaibackend/mapper/UserMapper.java

@@ -0,0 +1,15 @@
+package com.njuzr.eaibackend.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njuzr.eaibackend.po.User;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 08:59
+ * @Package: EAI-Backend
+ */
+
+@Mapper
+public interface UserMapper extends BaseMapper<User> {
+}

src/main/java/com/njuzr/eaibackend/po/User.java

@@ -0,0 +1,30 @@
+package com.njuzr.eaibackend.po;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.njuzr.eaibackend.enums.Gender;
+import com.njuzr.eaibackend.enums.Role;
+import com.njuzr.eaibackend.po.base.BaseUser;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+import java.util.Date;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 21:49
+ * @Package: EAI-Backend
+ */
+
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true) // 会把父类的属性也输出
+@Data
+@TableName("users")
+public class User extends BaseUser{
+    @TableId(type=IdType.AUTO)
+    private Long id; // User唯一标识（自增）
+
+    private String password;  // 密码（加密存储）（必填）
+}

src/main/java/com/njuzr/eaibackend/po/base/BaseUser.java

@@ -0,0 +1,40 @@
+package com.njuzr.eaibackend.po.base;
+
+import com.njuzr.eaibackend.enums.Gender;
+import com.njuzr.eaibackend.enums.Role;
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 09:49
+ * @Package: EAI-Backend
+ */
+
+@Data
+public class BaseUser {
+    private String name; // 真实姓名（必填）
+
+    private String officialEmail; // 南大官邮，xxx@smail.nju.edu.cn（必填）
+
+    private String officialNumber; // 南大学号、工号（必填）
+
+    private Role role; // 用户角色：学生、教师、管理员（必填）
+
+    private String userAvatar; // 头像URL（有默认值、选填）
+
+    private Date createTime; // 创建时间，系统自动设置
+
+    private Date lastLoginTime; // 上一次登陆时间（可选）
+
+    private String englishName; // 英文名（选填）
+
+    private Gender gender; // 性别（选填）
+
+    private Date birthday; // 生日（选填）
+
+    private String phone; // 联系方式（选填）
+
+    private String contentEmail; // 联系邮箱（选填）
+}

src/main/java/com/njuzr/eaibackend/service/UserService.java

@@ -0,0 +1,15 @@
+package com.njuzr.eaibackend.service;
+
+import com.njuzr.eaibackend.dto.UserDTO;
+import com.njuzr.eaibackend.dto.UserRegisterDTO;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 09:00
+ * @Package: EAI-Backend
+ */
+
+public interface UserService {
+
+    UserDTO createUser(UserRegisterDTO userDTO);
+}

src/main/java/com/njuzr/eaibackend/service/impl/UserServiceImpl.java

@@ -0,0 +1,56 @@
+package com.njuzr.eaibackend.service.impl;
+
+import com.njuzr.eaibackend.dto.UserDTO;
+import com.njuzr.eaibackend.dto.UserRegisterDTO;
+import com.njuzr.eaibackend.exception.MyException;
+import com.njuzr.eaibackend.mapper.UserMapper;
+import com.njuzr.eaibackend.po.User;
+import com.njuzr.eaibackend.service.UserService;
+import com.njuzr.eaibackend.utils.ModelMapperUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 09:00
+ * @Package: EAI-Backend
+ */
+
+@Slf4j
+@Service
+public class UserServiceImpl implements UserService {
+
+    private final UserMapper userMapper;
+
+    @Autowired
+    public UserServiceImpl(UserMapper mapper) {
+        this.userMapper = mapper;
+    }
+
+
+    @Override
+    public UserDTO createUser(UserRegisterDTO userDTO) {
+        User targetUser = ModelMapperUtil.map(userDTO, User.class);
+
+        targetUser.setCreateTime(new Date()); // 设置创建时间
+
+        try {
+            int status = userMapper.insert(targetUser);
+            if (status == 0) {
+                throw new MyException(501, "数据库插入错误");
+            }
+        } catch (Exception e) {
+            log.error("createUser -- 数据库插入错误："+e.getMessage());
+            throw new MyException(501, "数据库插入错误");
+        }
+
+        log.info("User创建完毕，User对象如下："+ targetUser);
+
+        return ModelMapperUtil.map(targetUser, UserDTO.class);
+    }
+}

src/main/java/com/njuzr/eaibackend/utils/ModelMapperUtil.java

@@ -0,0 +1,40 @@
+package com.njuzr.eaibackend.utils;
+
+import com.njuzr.eaibackend.exception.MyException;
+import lombok.extern.slf4j.Slf4j;
+import org.modelmapper.ModelMapper;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 10:08
+ * @Package: EAI-Backend
+ */
+
+@Slf4j
+public class ModelMapperUtil {
+    private static final ModelMapper modelMapper = new ModelMapper();
+
+    private ModelMapperUtil() {
+        // 私有构造函数，防止实例化
+    }
+
+    // 1 ModelMapperUtil.map(user, UserVO.class)，将user转换成userVO
+    public static <D, T> D map(final T entity, Class<D> outClass) {
+        try {
+            return modelMapper.map(entity, outClass);
+        }catch (Exception e) {
+            log.error("对象转换错误：从 {} 到 {}", entity.getClass().getName(), outClass.getName(), e);
+            throw new MyException(502, "对象转换错误");
+        }
+    }
+
+    // 2 ModelMapperUtil.map(user, userVO)，将userVO中的字段更新为user的
+    public static <D, T> void map(final T source, D destination) {
+        try {
+            modelMapper.map(source, destination);
+        }catch (Exception e) {
+            log.error("对象转换错误：从 {} 到 {}", destination.getClass().getName(), source.getClass().getName(), e);
+            throw new MyException(502, "对象转换错误");
+        }
+    }
+}

src/main/java/com/njuzr/eaibackend/vo/UserRegisterVO.java

@@ -0,0 +1,26 @@
+package com.njuzr.eaibackend.vo;
+
+import com.njuzr.eaibackend.enums.Gender;
+import com.njuzr.eaibackend.enums.Role;
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 22:08
+ * @Package: EAI-Backend
+ */
+
+@Data
+public class UserRegisterVO { // 注册时单独使用的VO类，只需要传递必填信息
+    private String name; // 真实姓名（必填）
+
+    private String password;  // 密码（加密存储）（必填）
+
+    private String officialEmail; // 南大官邮，xxx@smail.nju.edu.cn（必填）
+
+    private String officialNumber; // 南大学号、工号（必填）
+
+    private Role role; // 用户角色：学生、教师、管理员（必填）
+}

src/main/java/com/njuzr/eaibackend/vo/UserVO.java

@@ -0,0 +1,20 @@
+package com.njuzr.eaibackend.vo;
+
+import com.njuzr.eaibackend.po.base.BaseUser;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/14 - 22:07
+ * @Package: EAI-Backend
+ */
+
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Data
+public class UserVO extends BaseUser{ // 没有password
+    private Long id;
+}

src/main/resources/application.yaml

@@ -0,0 +1,6 @@
+spring:
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    username: root
+    password: Zr200012
+    url: jdbc:mysql://localhost:3306/EAI?useSSL=false&serverTimezone=UTC&useUnicode=true&characterEncoding=utf8

src/main/resources/db/users.sql

@@ -0,0 +1,26 @@
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for users
+-- ----------------------------
+DROP TABLE IF EXISTS `users`;
+CREATE TABLE `users` (
+     `id` bigint AUTO_INCREMENT NOT NULL COMMENT '主键',
+     `name` varchar(20) NOT NULL COMMENT '真实姓名',
+     `password` varchar(255) NOT NULL COMMENT '加密密码',
+     `official_email` varchar(30) NOT NULL COMMENT '南大邮箱',
+     `official_number` varchar(30) NOT NULL COMMENT '南大学号',
+     `role` int NOT NULL COMMENT '用户角色',
+     `user_avatar` varchar(255) DEFAULT NULL COMMENT '用户头像',
+     `create_time` datetime NOT NULL COMMENT '创建时间',
+     `last_login_time` datetime DEFAULT NULL COMMENT '上次登陆时间',
+     `english_name` varchar(30) DEFAULT NULL COMMENT '英文名',
+     `gender` int DEFAULT NULL COMMENT '性别',
+     `birthday` datetime DEFAULT NULL COMMENT '生日',
+     `phone` char(11) DEFAULT NULL COMMENT '手机号',
+     `content_email` varchar(30) DEFAULT NULL COMMENT '联系邮箱',
+     PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+SET FOREIGN_KEY_CHECKS = 1;

src/main/resources/log4j2-spring.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration>
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <!--控制台日志的格式和颜色-->
+            <PatternLayout
+                    pattern="%style{%d{ISO8601}}{bright,green} %highlight{%-5level} [%style{%t}{bright,blue}] %style{%C{}}{bright,yellow}: %msg%n%style{%throwable}{red}"
+                    disableAnsi="false" noConsoleNoAnsi="false"/>
+        </Console>
+    </Appenders>
+    <Loggers>
+        <Root level="info">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>

src/test/java/com/njuzr/eaibackend/EaiBackendApplicationTests.java

@@ -0,0 +1,13 @@
+package com.njuzr.eaibackend;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class EaiBackendApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}

src/test/java/com/njuzr/eaibackend/mapper/UserMapperTest.java

@@ -0,0 +1,34 @@
+package com.njuzr.eaibackend.mapper;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.mybatis.spring.boot.test.autoconfigure.MybatisTest;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
+
+/**
+ * @author: Leonezhurui
+ * @Date: 2024/2/15 - 10:23
+ * @Package: EAI-Backend
+ */
+
+@MybatisTest
+@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
+public class UserMapperTest {
+
+    @Autowired
+    private UserMapper userMapper;
+
+
+    @Test
+    @DisplayName("根据ID查找用户")
+    void findById() {
+
+    }
+
+    @Test
+    @DisplayName("创建用户")
+    void insert() {
+
+    }
+}