修正linux文件目录兼容

bin/router.js

@@ -1,4 +1,6 @@
 const fs = require("fs")
+const os = require('os');
+
 function addMapping(router, mapping) {
     for (var url in mapping) {
         if (url.startsWith('GET ')) {
@@ -16,7 +18,13 @@ function addMapping(router, mapping) {
 }
 
 function addControllers(router,controllers_dir) {
-    let dir = __dirname.replace("\\bin","")
+    let ostype = os.type() == "Windows_NT"
+    let dir;
+    if(ostype){
+        dir = __dirname.replace("\\bin","")
+    }else{
+        dir = __dirname.replace("/bin","")
+    }
     
     var files = fs.readdirSync(dir +"/"+ controllers_dir);
     var js_files = files.filter((f) => {
@@ -29,9 +37,9 @@ function addControllers(router,controllers_dir) {
         addMapping(router, mapping);
     }
 }
-module.exports = function () {
+module.exports = function (dir) {
     let
-        controllers_dir = 'controllers', // 如果不传参数，扫描目录默认为'controllers'
+        controllers_dir = dir || 'controllers', // 如果不传参数，扫描目录默认为'controllers'
         router = require('koa-router')();
     addControllers(router, controllers_dir);
     return router.routes();