ext.data.connection.html

Ext中文API,学习ext的同志只要你学会ext里的一种控件后其实其他的就大同小异了

        <td class="sig">
        <a id="Ext.data.Connection-addListener"></a>
            <b>addListener</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Object options</code>]</span>&nbsp;) : void            <div class="mdesc">
                        <div class="short">Appends an event handler to this component</div>
            <div class="long">
                Appends an event handler to this component    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope in which to execute the handler
function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration
properties. This may contain any of the following properties:<ul>
<li><b>scope</b> : Object<p class="sub-desc">The scope in which to execute the handler function. The handler function's "this" context.</p></li>
<li><b>delay</b> : Number<p class="sub-desc">The number of milliseconds to delay the invocation of the handler after the event fires.</p></li>
<li><b>single</b> : Boolean<p class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</p></li>
<li><b>buffer</b> : Number<p class="sub-desc">Causes the handler to be scheduled to run in an <a ext:cls="Ext.util.DelayedTask" href="output/Ext.util.DelayedTask.html">Ext.util.DelayedTask</a> delayed
by the specified number of milliseconds. If the event fires again within that time, the original
handler is <em>not</em> invoked, but the new handler is scheduled in its place.</p></li>
</ul><br>
<p>
<b>Combining Options</b><br>
Using the options argument, it is possible to combine different types of listeners:<br>
<br>
A normalized, delayed, one-time listener that auto stops the event and passes a custom argument (forumId)
<pre><code>el.on(<em>'click'</em>, <b>this</b>.onClick, <b>this</b>, {
    single: true,
    delay: 100,
    forumId: 4
});</code></pre>
<p>
<b>Attaching multiple handlers in 1 call</b><br>
The method also allows for a single argument to be passed which is a config object containing properties
which specify multiple handlers.
<p>
<pre><code>foo.on({
    <em>'click'</em> : {
        fn: <b>this</b>.onClick,
        scope: <b>this</b>,
        delay: 100
    },
    <em>'mouseover'</em> : {
        fn: <b>this</b>.onMouseOver,
        scope: <b>this</b>
    },
    <em>'mouseout'</em> : {
        fn: <b>this</b>.onMouseOut,
        scope: <b>this</b>
    }
});</code></pre>
<p>
Or a shorthand syntax:<br>
<pre><code>foo.on({
    <em>'click'</em> : <b>this</b>.onClick,
    <em>'mouseover'</em> : <b>this</b>.onMouseOver,
    <em>'mouseout'</em> : <b>this</b>.onMouseOut,
     scope: <b>this</b>
});</code></pre></div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addListener" href="output/Ext.util.Observable.html#addListener">Observable</a></td>
    </tr>
        <tr class="method-row inherited expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-fireEvent"></a>
            <b>fireEvent</b>(&nbsp;<code>String eventName</code>, <code>Object... args</code>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">Fires the specified event with the passed parameters (minus the event name).</div>
            <div class="long">
                Fires the specified event with the passed parameters (minus the event name).    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>eventName</code> : String<div class="sub-desc"></div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#fireEvent" href="output/Ext.util.Observable.html#fireEvent">Observable</a></td>
    </tr>
        <tr class="method-row inherited alt expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-hasListener"></a>
            <b>hasListener</b>(&nbsp;<code>String eventName</code>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">Checks to see if this object has any listeners for a specified event</div>
            <div class="long">
                Checks to see if this object has any listeners for a specified event    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#hasListener" href="output/Ext.util.Observable.html#hasListener">Observable</a></td>
    </tr>
        <tr class="method-row expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-isLoading"></a>
            <b>isLoading</b>(&nbsp;<span class="optional" title="Optional">[<code>Number transactionId</code>]</span>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">Determine whether this object has a request outstanding.</div>
            <div class="long">
                Determine whether this object has a request outstanding.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>transactionId</code> : Number<div class="sub-desc">(Optional) defaults to the last transaction</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">True if there is an outstanding request.</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource">Connection</td>
    </tr>
        <tr class="method-row inherited alt expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-on"></a>
            <b>on</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Object options</code>]</span>&nbsp;) : void            <div class="mdesc">
                        <div class="short">Appends an event handler to this element (shorthand for addListener)</div>
            <div class="long">
                Appends an event handler to this element (shorthand for addListener)    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope in which to execute the handler
function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional)</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#on" href="output/Ext.util.Observable.html#on">Observable</a></td>
    </tr>
        <tr class="method-row inherited expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-purgeListeners"></a>
            <b>purgeListeners</b>() : void            <div class="mdesc">
                        <div class="short">Removes all listeners for this object</div>
            <div class="long">
                Removes all listeners for this object    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li>None.</li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#purgeListeners" href="output/Ext.util.Observable.html#purgeListeners">Observable</a></td>
    </tr>
        <tr class="method-row inherited alt expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-relayEvents"></a>
            <b>relayEvents</b>(&nbsp;<code>Object o</code>, <code>Array events</code>&nbsp;) : void            <div class="mdesc">
                        <div class="short">Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.</div>
            <div class="long">
                Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>o</code> : Object<div class="sub-desc">The Observable whose events this object is to relay.</div></li><li><code>events</code> : Array<div class="sub-desc">Array of event names to relay.</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#relayEvents" href="output/Ext.util.Observable.html#relayEvents">Observable</a></td>
    </tr>
        <tr class="method-row inherited expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-removeListener"></a>
            <b>removeListener</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>&nbsp;) : void            <div class="mdesc">
                        <div class="short">Removes a listener</div>
            <div class="long">
                Removes a listener    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (this object) for the handler</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#removeListener" href="output/Ext.util.Observable.html#removeListener">Observable</a></td>
    </tr>
        <tr class="method-row alt expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.data.Connection-request"></a>
            <b>request</b>(&nbsp;<span class="optional" title="Optional">[<code>Object options</code>]</span>&nbsp;) : Number            <div class="mdesc">
                        <div class="short">Sends an HTTP request to a remote server.
Important: Ajax server requests are asynchronous, and this call will
return...</div>
            <div class="long">
                <p>Sends an HTTP request to a remote server.</p>