修改环境变量使用

game-server/config.js

@@ -0,0 +1,16 @@
+var fs = require('fs');
+function main (){
+  var args = process.argv.splice(2)
+  if (args.length !== 1) {
+    return console.log('参数请填写环境变量');
+  }
+
+  let configObject = {
+      env: args[0]
+  };
+  let result = JSON.stringify(configObject);
+
+  fs.writeFileSync(__dirname + '/config.json', result, 'utf8');
+}
+
+main();