唐长老网络 web 技术文章 2021-06-04

JS获取url地址参数

方法:

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<span class="kwd">function</span><span class="pln"> getUrl</span><span class="pun">(</span><span class="pln">variable</span><span class="pun">)</span>

<span class="pun">{</span>

<span class="kwd">var</span><span class="pln"> query </span><span class="pun">=</span><span class="pln"> window</span><span class="pun">.</span><span class="pln">location</span><span class="pun">.</span><span class="pln">search</span><span class="pun">.</span><span class="pln">substring</span><span class="pun">(</span><span class="lit">1</span><span class="pun">);</span>

<span class="kwd">var</span><span class="pln"> vars </span><span class="pun">=</span><span class="pln"> query</span><span class="pun">.</span><span class="pln">split</span><span class="pun">(</span><span class="str">"&"</span><span class="pun">);</span>

<span class="kwd">for</span> <span class="pun">(</span><span class="kwd">var</span><span class="pln"> i</span><span class="pun">=</span><span class="lit">0</span><span class="pun">;</span><span class="pln">i</span><span class="pun"><</span><span class="pln">vars</span><span class="pun">.</span><span class="pln">length</span><span class="pun">;</span><span class="pln">i</span><span class="pun">++)</span> <span class="pun">{</span>

<span class="kwd">var</span><span class="pln"> pair </span><span class="pun">=</span><span class="pln"> vars</span><span class="pun">[</span><span class="pln">i</span><span class="pun">].</span><span class="pln">split</span><span class="pun">(</span><span class="str">"="</span><span class="pun">);</span>

<span class="kwd">if</span><span class="pun">(</span><span class="pln">pair</span><span class="pun">[</span><span class="lit">0</span><span class="pun">]</span> <span class="pun">==</span><span class="pln"> variable</span><span class="pun">){</span><span class="kwd">return</span><span class="pln"> pair</span><span class="pun">[</span><span class="lit">1</span><span class="pun">];}</span>

<span class="pun">}</span>

<span class="kwd">return</span><span class="pun">(</span><span class="kwd">false</span><span class="pun">);</span>

<span class="pun">}</span>

调用例子:

url= https://www.tzlwl.com/index.php?id=1&name=tzlwl;

调用 getUrl(“id”) 返回 1。

调用 getUrl(“image”) 返回 “tzlwl”。

JS获取url地址参数插图 JS获取url地址参数插图1

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