README.md in alipay-0.0.4 vs README.md in alipay-0.0.5

@@ -2,13 +2,13 @@
 
 A simple alipay ruby gem, without unnecessary magic or wraper, it's directly facing how alipay api works.
 
 It contain this API:
 
-* Generate payment url
+* Generate payment url (web, wap)
 * Send goods
-* Verify notify
+* Verify notify (web, wap, app)
 
 Please read alipay official document first: https://b.alipay.com/order/techService.htm .
 
 ## Installation
 
@@ -38,11 +38,11 @@
 Alipay.pid = 'YOUR_PID'
 Alipay.key = 'YOUR_KEY'
 Alipay.seller_email = 'YOUR_SELLER_EMAIL'
 ```
 
-### Generate payment url
+### Generate payment url for web
 
 ```ruby
 options = {
   :out_trade_no      => 'YOUR_ORDER_ID',         # 20130801000001
   :subject           => 'YOUR_ORDER_SUBJECCT',   # Writings.io Base Account x 12
@@ -66,10 +66,34 @@
 
     Alipay::Service#create_partner_trade_by_buyer_url # 担保交易
     Alipay::Service#trade_create_by_buyer_url         # 标准双接口
     Alipay::Service#create_direct_pay_by_user_url     # 即时到帐
 
+### Generate payment url for wap
+
+```ruby
+options = {
+  :req_data => {
+    :out_trade_no  => 'YOUR_ORDER_ID',         # 20130801000001
+    :subject       => 'YOUR_ORDER_SUBJECCT',   # Writings.io Base Account x 12
+    :total_fee     => 'TOTAL_FEE',
+    :notify_url    => 'YOUR_ORDER_NOTIFY_URL', # https://writings.io/orders/20130801000001/alipay_notify
+    :call_back_url => 'YOUR_ORDER_RETURN_URL'  # https://writings.io/orders/20130801000001
+  }
+}
+
+token = Alipay::Service::Wap.trade_create_direct_token(options)
+Alipay::Service::Wap.auth_and_execute(request_token: token)
+# => 'http://wappaygw.alipay.com/service/rest.htm?req_data=...'
+```
+
+You can redirect user to this payment url, and user will see a payment page for his/her order.
+
+Current only support this payment type:
+
+    Alipay::Service::Wap.auth_and_execute # 即时到帐
+
 ### Send goods
 
 ```ruby
 options = {
   :trade_no       => 'TRADE_NO',
@@ -98,22 +122,50 @@
 Notify Url Demo: http://git.io/pst4Tw
 
 ### Verify notify
 
 ```ruby
-# example in rails
-# The notify url MUST be set when generate payment url
-def alipay_notify
+# Example in rails,
+# notify url MUST be set when generate payment url
+
+def alipay_web_notify
   # except :controller_name, :action_name, :host, etc.
   notify_params = params.except(*request.path_parameters.keys)
+
   if Alipay::Notify.verify?(notify_params)
     # valid notify, code your business logic.
     render :text => 'success'
   else
     render :text => 'error'
   end
 end
+
+def alipay_wap_notify
+  # except :controller_name, :action_name, :host, etc.
+  notify_params = params.except(*request.path_parameters.keys)
+
+  if Alipay::Notify::Wap.verify?(notify_params)
+    # valid notify, code your business logic.
+    # you may want to get you order id:
+    #   order_id = Hash.from_xml(params[:notify_data])['notify']['out_trade_no']
+    render :text => 'success'
+  else
+    render :text => 'error'
+  end
+end
+
+def alipay_app_notify
+  # except :controller_name, :action_name, :host, etc.
+  notify_params = params.except(*request.path_parameters.keys)
+
+  if Alipay::Notify::App.verify?(notify_params)
+    # valid notify, code your business logic.
+    render :text => 'success'
+  else
+    render :text => 'error'
+  end
+end
 ```
 
 ## Contributing
 
 Bug report or pull request are welcome.
@@ -130,6 +182,6 @@
 
 ## Donate
 
 Donate to maintainer let him make this gem better.
 
-Alipay donate link: https://me.alipay.com/chloerei .
+Alipay donate link: http://chloerei.com/donate/ .