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Net


			
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  <h1>重复请求</h1>

<p>常用于筛选列表请求, 选择新的筛选条件时应将上次未完成的取消后再发起请求</p>
<p>在Net禁止重复请求仅2行代码</p>
<div class="language-kotlin highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kd">var</span><span class="w"> </span><span class="nv">scope</span><span class="p">:</span><span class="w"> </span><span class="n">AndroidScope? </span><span class="o">=</span><span class="w"> </span><span class="kc">null</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="n">btnFilter</span><span class="p">.</span><span class="na">setOnClickListener</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="hll"><span class="w">    </span><span class="n">scope</span><span class="o">?.</span><span class="na">cancel</span><span class="p">()</span>
</span></span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="w">    </span><span class="n">scope</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">scopeNetLife</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="w">        </span><span class="kd">val</span><span class="w"> </span><span class="nv">result</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">Post</span><span class="o">&lt;</span><span class="kt">String</span><span class="o">&gt;</span><span class="p">(</span><span class="n">Api</span><span class="p">.</span><span class="na">PATH</span><span class="p">).</span><span class="na">await</span><span class="p">()</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="p">}</span>
</span></code></pre></div>
<p>当<code>scope</code>不为空时表示存在旧请求, 无论旧请求是否完成都可以调用<code>cancel()</code>保证取消即可</p>
<ol>
<li><a href="cancel.html">取消请求</a> <br></li>
<li>限制时间强制使用缓存, <a href="cache.html#_3">配置缓存有效期</a></li>
</ol>


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