学步园

SyntaxError in Store#index<br /> Showing app/views/store/index.html.erb where line #23 raised: </p> <p>compile error<br /> D:/Ruby187/myTest/depot/app/views/store/index.html.erb:23: syntax error, unexpected ')'<br /> ..._cart" , :id => product } do ).to_s)<br /> ^<br /> D:/Ruby187/myTest/depot/app/views/store/index.html.erb:28: syntax error, unexpected kEND, expecting ')'<br /> ; end ; @output_buffer.concat "/n/n/n"<br /> ^<br /> D:/Ruby187/myTest/depot/app/views/store/index.html.erb:32: syntax error, unexpected kENSURE, expecting ')'<br /> D:/Ruby187/myTest/depot/app/views/store/index.html.erb:34: syntax error, unexpected kEND, expecting ')'</p> <p>Extracted source (around line #23): </p> <p>20: <!-- form请求，<%= button_to "Add to Cart" ,:action => 'add_to_cart',:id => product%> --><br /> 21:  <br /> 22: <!-- Ajax请求 --><br /> 23: <%= form_remote_tag :url => {:action => "add_to_cart" , :id => product } do -%><br /> 24: <%= submit_tag "Add to Cart"%><br /> 25: <% end -%><br /> 26: </div></p> <p>

这个错误信息的原因是因为store/index.html.erb：

<%= form_remote_tag :url => {:action => "add_to_cart" , :id => product } do -%><br /> <%= submit_tag "Add to Cart"%><br /> <% end -%>

我在其api中查询到：

form_remote_tag also takes a block, like form_tag: </p> <p> # Generates:<br /> # <form action="/" method="post" onsubmit="new Ajax.Request('/',<br /> # {asynchronous:true, evalScripts:true, parameters:Form.serialize(this)});<br /> # return false;"> <div><input name="commit" type="submit" value="Save" /></div><br /> # </form><br /> <% form_remote_tag :url => '/posts' do -%><br /> <div><%= submit_tag 'Save' %></div><br /> <% end -%><br /> [Source]<br />

细心的读者已经看到错误的原因了，是的，就是因为那个“=” ，我们只要把它去掉就可以了，正确的代码如下：

<% form_remote_tag :url => {:action => "add_to_cart" , :id => product } do -%><br /> <%= submit_tag "Add to Cart"%><br /> <% end -%>