初始化

backend/config.js

@@ -0,0 +1,36 @@
+// 代理配置
+const proxyConfig = {
+  // 系统代理配置
+  system: {
+    host: '127.0.0.1',
+    port: 7897,
+    protocol: 'http'
+  },
+  
+  // 代理URL格式
+  get proxyUrl() {
+    return `${this.system.protocol}://${this.system.host}:${this.system.port}`;
+  },
+  
+  // 环境变量设置
+  setEnvironmentVariables() {
+    process.env.HTTP_PROXY = this.proxyUrl;
+    process.env.HTTPS_PROXY = this.proxyUrl;
+    process.env.http_proxy = this.proxyUrl;
+    process.env.https_proxy = this.proxyUrl;
+    
+    console.log('代理环境变量已设置:', this.proxyUrl);
+  },
+  
+  // 清除环境变量
+  clearEnvironmentVariables() {
+    delete process.env.HTTP_PROXY;
+    delete process.env.HTTPS_PROXY;
+    delete process.env.http_proxy;
+    delete process.env.https_proxy;
+    
+    console.log('代理环境变量已清除');
+  }
+};
+
+module.exports = proxyConfig;