add usage

README.md

@@ -1,42 +1,55 @@
-# wifi-helper
-ZJGSU Wi-Fi helper
-
-## Feature
-
-1. Support multi-people use same account login at same time.  
-2. Support auto login when connection closed.  
-3. Keep connection alive.
-
-## Yet Another Wifi Trick
-
-### OS X / Linux
-
-Copy and paste into your terminal:  
-```bash
-curl 'https://2.2.2.2/login.html' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Accept-Encoding: gzip, deflate' -H 'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3' -H 'Connection: keep-alive' -H 'Host: 2.2.2.2' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:41.0) Gecko/20100101 Firefox/41.0' -H 'Content-Type: application/x-www-form-urlencoded' --data 'buttonClicked=4&redirect_url=&err_flag=0&username=帐号%20%20%20%20%20%20%20%20%20%20%20&password=密码' -k
-```
-
-Please remember modify 帐号 and 密码.
-
-### IOS
-
-1. Download iCurlHTTP app vai APP Store.
-2. Open iCurlHTTP and click `User` button, then copy below into `POST DATA`:  
-```bash
-buttonClicked=4&redirect_url=&err_flag=0&username=帐号%20%20%20%20%20%20%20%20%20%20%20&password=密码
-```  
-Please remember modify 帐号 and 密码.  
-3. Click `Done` back to main screen, enter below url:  
-```bash
-https://2.2.2.2/login.html
-```  
-Click `POST`.  
-4. Finally if you see `Login Successful` in the response, you can surf the Internet.
-
-### Android
-
-You can find same app on you android.
-
-## Note
-
-You must connect zjgsu wifi before you do those tricks.
+# wifi-helper
+ZJGSU Wi-Fi helper
+
+## Feature
+
++ Support multi-user login using same account at the same time.
++ Support auto-login when connection closed.
++ Keep your connection alive.
+
+## Usage
+
+### OS X / Linux
+
+Copy and paste the following code into your terminal:
+```bash
+curl 'https://2.2.2.2/login.html' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Accept-Encoding: gzip, deflate' -H 'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3' -H 'Connection: keep-alive' -H 'Host: 2.2.2.2' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:41.0) Gecko/20100101 Firefox/41.0' -H 'Content-Type: application/x-www-form-urlencoded' --data 'buttonClicked=4&redirect_url=&err_flag=0&username=帐号%20%20%20%20%20%20%20%20%20%20%20&password=密码' -k
+```
+
+Please remember to modify your 帐号 and 密码.
+
+### iOS
+
++ Download iCurlHTTP app via APP Store.
++ Open iCurlHTTP and click `User` button, then copy below into `POST DATA`:  
+```bash
+buttonClicked=4&redirect_url=&err_flag=0&username=帐号%20%20%20%20%20%20%20%20%20%20%20&password=密码
+```  
+Please remember modify 帐号 and 密码.  
++ Click `Done` back to main screen, enter below url:  
+```bash
+https://2.2.2.2/login.html
+```  
+Click `POST`.  
++ Finally if you see `Login Successful` in the response, you can surf the Internet now.
+
+### Android
+
++ Download [Terminal emulator](https://play.google.com/store/apps/details?id=jackpal.androidterm) via Google Play or other third-party Android market.
++ Copy and paste the following code into the terminal.
+```bash
+curl 'https://2.2.2.2/login.html' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Accept-Encoding: gzip, deflate' -H 'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3' -H 'Connection: keep-alive' -H 'Host: 2.2.2.2' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:41.0) Gecko/20100101 Firefox/41.0' -H 'Content-Type: application/x-www-form-urlencoded' --data 'buttonClicked=4&redirect_url=&err_flag=0&username=帐号%20%20%20%20%20%20%20%20%20%20%20&password=密码' -k
+```
+Please remember to modify your 帐号 and 密码.
+
++ Finally if you see `Logged In` in the response, you can surf the Internet now.
+
+![Screenshot-Android](https://dn-jinwei.qbox.me/Screenshot_2015-12-03-13-03-05.png)
+
+### Windows
++ If you are using Windows, you can either download our pre-built binary program to login or if you are using Cygwin/MSYS2, you can still use the `curl` way.
++ Please remember to modify your username and password in `config.json`.
+
+## Note
+
+You must connect to `ZJGSU` or `ZJGSU-STU` Wi-Fi first.