灰度修复表单提交如果是数组，提交失败的问题

@@ -5,6 +5,8 @@
 var request = require('request');
 
 var config = require('../config/gray');
+var _ = require('lodash');
+var queryString = require('query-string');
 
 /**
  * 灰度界面配置
@@ -66,14 +68,49 @@ module.exports = function(proxyRoute) {
         options.headers['Referer'] = req.headers['referer'];
       }
       
+      if(isFromArray(req.body)) {
+         options.method = "GET";
+         options.url += "?"+ queryString.stringify(req.body);
+      }
+
       //如果是POST，设置form表单的传参
       if(method === "POST") {
         options.form = req.body;
       }
+
       logger.log('info','grayroute: request options: %j',options,{});
 
-      //发起代理请求,直接使用pipe
+      //发起代理请求
+      if(req.is('html')) { //如果是静态资源
+        request(options,callback);
+      } else {
         request(options).pipe(ress);
+      }
+      
+      //代理回调
+      function callback(err,res,body) {
+        if(err) {
+          logger.log('error','grayroute: request error:',err);
+          ress.status(500).send('');
+        } else if(res&&res.statusCode === 200) {
+          setGrayCookie(req,res);
+          var ContentType = res.caseless.get('Content-Type');
+          ress.append('Content-Type',ContentType);
+          ress.send(body);
+        
+        } else if(res&&res.statusCode === 302) {
+          var curCookie = setGrayCookie(req,res);
+          if(!curCookie||curCookie.length<1) {
+            res.session.user = null;
+          }
+          //跳转
+          ress.redirect(res.caseless.get('location'));
+        } else if(res){
+          ress.status(res.statusCode).send(body);
+        } else {
+          ress.status(500).send('500 ERROR!');
+        }
+      }
     } else {
 
       //当不是老系统的URL，需要访问老系统保持session
@@ -93,6 +130,7 @@ module.exports = function(proxyRoute) {
   }
  }
 
+
   /**
    * 灰度cookie设置
    * @param {Object} req express request
@@ -107,3 +145,14 @@ module.exports = function(proxyRoute) {
     } 
     return cookie;
  }
+
+ function isFromArray(form) {
+  form = form||{};
+  var ret = false;
+  _.forEach(form,function(v,k){
+    if(k.indexOf('[]')>-1){
+      ret = true;
+    }
+  });
+  return ret;
+}
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