[英]Sending POST request in Rails
如何在Rails設置中以下列格式發送HTTP POST請求:
curl https://api.venmo.com/v1/payments -d access_token=4e4sw1111111111t8an8dektggtcbb45 -d email="someemail@gmail.com" -d amount=5 -d note="Delivery."
我希望用戶將電子郵件/金額/注釋參數輸入到網頁上的表單中,然后將該數據(當用戶單擊提交按鈕時)傳遞到存儲access_token參數的Controller中,然后觸發POST請求。
到目前為止,我已嘗試使用此方法設置Controller(並從視圖html.erb中調用它):
def make_payment
if !params[:access_token].nil?
form_data = {
"email" => @email_to,
"amount" => @amount_to,
"note" => @note_to,
"access_token" => :access_token
}
url = "https://api.venmo.com/v1/payments"
request = Net::HTTP::Post.new(url, form_data)
response = http.request(request)
end
end
這是我當前的視圖設置:
<div class="box box-warning">
<div class="box-header">
<h3 class="box-title">Pay Bill using Venmo Account</h3>
<div id="payment_note_input">
<input id="payment_note" type="text" class="form-control" required placeholder="add a note to your payment">
</div>
<div id="payment_target_input" >
<input id="payment_target" type="text" class="form-control" required placeholder="pay an email address">
</div>
<div id="payment_amount_input">
<input id="payment_amount" type="text" class="form-control" required placeholder="enter the payment amount! ">
</div>
</br>
<button class="btn btn-danger" type="button" onClick= <%=make_payment%> > Make payment</button>
</div>
我覺得我在這里接近解決方案......
您可以使用httpparty gem來實現它,它只在一行中易於使用:
response = HTTParty.post("https://example.com?param1=value1",
:body => {:text => data}.to_json,
:headers => {'Content-Type' => 'application/json'}
)
如果您沒有特定的Body或Header,可以刪除Body和Header,
如果你想實現Get請求更容易:
responce = HTTParty.get('http://example.com.json')
json=JSON.parse(responce.body) # in case you expect json responce
您需要使用表單才能從網頁生成POST請求。 Rails為您提供表單助手,幫助您實現這一目標。
<div class="box box-warning">
<div class="box-header">
<%= form_tag make_payment_path do %>
<%= hidden_field_tag "access_token", @access_token %>
<h3 class="box-title">Pay Bill using Venmo Account</h3>
<div id="payment_note_input">
<%= text_field_tag "payment_note", nil, class: "form-control", placeholder: "add a note to your payment" %>
</div>
<div id="payment_target_input" >
<%= text_field_tag "payment_target", nil, class: "form-control", placeholder: "pay an email address" %>
</div>
<div id="payment_amount_input">
<%= text_field_tag "payment_amount",nil, class:"form-control", placeholder: "enter the payment amount! ">
</div>
</br>
<%= sumbit_tag "Make payment", class:"btn btn-danger" %>
<% end %>
</div>
然后你可以通過...訪問控制器中的表單變量
def make_payment
access_token = params[:access_token]
note = params[:payment_note]
target = params[:payment_target]
...
end
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