From 76bcdbcf6e74b7ae2f6da24a5c01471c0b73948b Mon Sep 17 00:00:00 2001
From: pplokijuhyg <1162963624@qq.com>
Date: Tue, 14 Jan 2020 09:44:01 +0800
Subject: [PATCH] =?UTF-8?q?options=E8=B7=A8=E5=9F=9F?=
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---
 app.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/app.js b/app.js
index 00b6e79..b5ef590 100644
--- a/app.js
+++ b/app.js
@@ -10,6 +10,16 @@ reptile().then((res)=>{
     reptilelist = res;
 })
 const app = new Koa();
+app.use(async (ctx, next)=> {
+    ctx.set('Access-Control-Allow-Origin', '*');
+    ctx.set('Access-Control-Allow-Headers', 'Content-Type, Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild');
+    ctx.set('Access-Control-Allow-Methods', 'PUT, POST, GET, DELETE, OPTIONS');
+    if (ctx.method == 'OPTIONS') {
+      ctx.body = 200; 
+    } else {
+      await next();
+    }
+  });
 app.use(async (ctx, next) => {
     // 允许来自所有域名请求
     ctx.set("Access-Control-Allow-Origin", "*");