我有3个关于这个元素的问题.

>这甚至可以工作吗？我正在尝试使用一种方法,当从服务器收集数据时,这种方法与直接数据绑定方法完全相反.这可以用于发送到服务器.
>在core-ajax元素中我正在使用auto =“false”属性.当用户点击纸质按钮时,我将如何调用go()命令？
>如果这个发送方法可以工作,我如何在提交时在PHP中捕获body =“{}”行？我知道它不是作为$_GET发送的.是作为$_POST发送还是我需要使用另一种方法来捕获它？

我的元素模板目前看起来像

<link rel="import" href="../bower_components/polymer/polymer.html">
<link rel="import" href="../bower_components/paper-input/paper-input.html">
<link rel="import" href="../bower_components/paper-button/paper-button.html">
<link rel="import" href="../bower_components/core-ajax/core-ajax.html">
<polymer-element name="add-node" attributes="url">
  <template>
    <style>
      paper-input {
        color:#000000;
        text-align:left;
      }
      paper-button.colored {
        background:#000000;
        color:#ffffff;
      }
      .centered {
        display:block;
        text-align:center;
        width:100%;
      }
    </style>
    <geo-location latitude="{{lat}}" longitude="{{lng}}"></geo-location>
    <form id="form_1">
      <paper-input floatingLabel label="Name:" value="{{name}}"></paper-input>
      <br>
      <paper-input floatingLabel label="Street Address:" value="{{address}}"></paper-input>
      <br>
      <paper-input floatingLabel label="City" value="{{city}}"></paper-input>
      <br>    
      <paper-input floatingLabel label="State" value="{{state}}"></paper-input>
      <br>
      <paper-input floatingLabel label="Zip" value="{{zip}}"></paper-input>
      <br>
      <paper-input floatingLabel label="Phone:" value="{{phone}}"></paper-input>
      <br>
      <paper-input floatingLabel label="Description:" value="{{description}}"></paper-input>
      <br>
      <div class="centered">
        <paper-button on-tap="{{doSend}}" raisedButton class="colored" label="Save"></paper-button>
      </div>
    </form>
    <core-ajax id="ajax" auto="false" method="POST" contentType="application/json" url="{{url}}"
  body='{"name":"{{name}}","address":"{{address}}","city":"{{city}}","state":"{{state}}","zip":"{{zip}}","phone":"{{phone}}","description":"{{description}}","longitude":"{{lng}}","latitude":"{{lat}}"}' response="{{response}}">
    </core-ajax>
    <template repeat="{{response}}">{{data}}</template>
  </template>
  <script>
    Polymer('add-node',{
      doSend: function(event,detail,sender){
         this.$.ajax.go();
      }
    });
  </script>
</polymer-element>