支持在安装Systemd服务时通过环境变量读取Discord令牌

如果命令行参数存在，命令行参数的优先级仍然高于环境变量
另外，我不太理解为什么之前要对一个仅有唯一元素的List进行迭代

build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "xyz.thewhitedog9487"
-version = "0.7.3"
+version = "0.7.4"
 
 java {
 	toolchain {
@@ -35,7 +35,7 @@ dependencies {
 	implementation("org.springframework.boot:spring-boot-starter-webmvc")
 	compileOnly("org.projectlombok:lombok")
 	developmentOnly("org.springframework.boot:spring-boot-devtools")
-//	developmentOnly("org.springframework.boot:spring-boot-docker-compose")
+	developmentOnly("org.springframework.boot:spring-boot-docker-compose")
 	runtimeOnly("org.xerial:sqlite-jdbc")
 	annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
 	annotationProcessor("org.projectlombok:lombok")

src/main/java/xyz/thewhitedog9487/WebAPI/Configuration/OpenAPIConfiguration.java

@@ -23,7 +23,7 @@ class OpenAPIConfiguration {
                         .contact(new Contact()
                                 .name("TheWhiteDog9487")
                                 .url("https://www.github.com/TheWhiteDog9487/WebAPI"))
-                        .version("0.7.3")
+                        .version("0.7.4")
                         .license(new License()
                                 .name("WTFPL")
                                 .url("https://spdx.org/licenses/WTFPL")) )

src/main/java/xyz/thewhitedog9487/WebAPI/GlobalSharedBean.java

@@ -4,6 +4,7 @@ import discord4j.core.DiscordClientBuilder;
 import discord4j.core.GatewayDiscordClient;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.RandomStringUtils;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Component;
 
@@ -18,17 +19,17 @@ import java.util.concurrent.locks.ReentrantLock;
 @Slf4j
 @Component
 class GlobalSharedBean {
+    @Value("${Discord_Bot_Token:}") String DiscordBotToken;
+
     @Bean
     GatewayDiscordClient GetDiscordClient(){
-        String DiscordBotToken = System.getenv("Discord_Bot_Token");
-        if (DiscordBotToken == null) {
+        if (DiscordBotToken.isEmpty()) {
             log.error("未设置环境变量Discord_Bot_Token，请检查配置。");
             System.exit(-1); }
         return DiscordClientBuilder.create(DiscordBotToken)
                 .build()
                 .login()
                 .block();}
-        // TODO: ↑ 看看能不能优化下启动性能
 
     @Bean
     List<String> ApiKeyList() {

src/main/java/xyz/thewhitedog9487/WebAPI/Startup/SystemdInstallerManager.java

@@ -10,6 +10,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Arrays;
 import java.util.List;
+import java.util.NoSuchElementException;
 
 @Slf4j
 public class SystemdInstallerManager{
@@ -41,7 +42,7 @@ public class SystemdInstallerManager{
     static Path ServiceFileName = Path.of("WebAPI.service");
     static String SoftLinkFileName = "Current";
     static Path SymbolicLinkPath = WorkingDirectory.resolve(SoftLinkFileName);
-
+    static String DiscordBotToken = System.getenv("Discord_Bot_Token");
     /**
      * 检测当前运行环境是否为GraalVM生成的Native Image
      */
@@ -93,14 +94,16 @@ public class SystemdInstallerManager{
                 在Native Image / Jar文件旁边生成指向自身的，名为Current的软连接
                 然后在软连接旁生成systemd服务文件，执行目标指向软连接
                 */
-                List<String> DiscordBotToken = Arrays.stream(CommandLineArguments)
-                        .filter(s -> {
-                            for (String o : List.of("--Discord_Bot_Token=")) {
-                                if (s.startsWith(o) == true) { return true; } }
-                            return false; } )
-                        .toList();
-                if ( DiscordBotToken.isEmpty() == true ) {
-                    log.error("必须通过\"--Discord_Bot_Token=\"参数提供Discord机器人的令牌以使本程序正常工作。");
+                try {
+                    DiscordBotToken = Arrays.stream(CommandLineArguments)
+                            .filter(s -> s.startsWith("--Discord_Bot_Token=") == true)
+                            .toList()
+                            .getFirst()
+                            .substring("--"
+                                    .length()); }
+                catch (NoSuchElementException _){ }
+                if ( DiscordBotToken == null ) {
+                    log.error("必须通过\"--Discord_Bot_Token=\"参数或Discord_Bot_Token环境变量提供Discord机器人的令牌以使本程序正常工作。");
                     throw new IllegalArgumentException("缺少必须的--Discord_Bot_Token参数"); }
                 log.info("开始安装systemd服务");
                 log.debug("SystemProperties.os.name: {}", CurrentOS);
@@ -131,10 +134,7 @@ public class SystemdInstallerManager{
                             CurrentUser,
                             WorkingDirectory,
                             ExecCommand,
-                            DiscordBotToken
-                                    .getFirst()
-                                    .substring("--"
-                                            .length()));
+                            "Discord_Bot_Token=" + DiscordBotToken);
                     log.debug("ServiceFileContent: \n{}", ServiceFileContent);
                     Files.deleteIfExists( WorkingDirectory.resolve(ServiceFileName) );
                     Files.writeString(WorkingDirectory.resolve(ServiceFileName), ServiceFileContent);