react get id 正则表达式的使用
react我有一个这样的URL，需要在页面得到ID，然后从接口得到该数据：
http://localhost:3000/calculation_templates/edit/18?token=eyJhbGciOiJIUzI1NiIsI
需要处理URL得到ID，可以这样：
<span style="color:#dcc6e0">async</span> <span style="color:#00e0e0">fetchData</span>() {
<span style="color:#dcc6e0">try</span> {
<span style="color:#dcc6e0">const</span> currentURL = <span style="color:#f5ab35">window</span>.location.href;
<span style="color:#f5ab35">console</span>.log(<span style="color:#abe338">"== currentURL: "</span>, currentURL);
<span style="color:#dcc6e0">const</span> match = currentURL.match(<span style="color:#ffa07a">/\/calculation_templates\/edit\/(\d+)/</span>);
<span style="color:#dcc6e0">if</span> (match) {
<span style="color:#dcc6e0">const</span> id = match[<span style="color:#f5ab35">1</span>];
<span style="color:#f5ab35">console</span>.log(id); <span style="color:#d4d0ab">// 输出捕获到的ID</span>
<span style="color:#dcc6e0">const</span> response = <span style="color:#dcc6e0">await</span> axios.get(<span style="color:#abe338">`</span><span style="color:#abe338">${Config.BASE_URL}</span><span style="color:#abe338">/api/v1/calculation_templates/</span><span style="color:#abe338">${id}</span><span style="color:#abe338">?token=</span><span style="color:#abe338">${getToken()}</span><span style="color:#abe338">`</span>);
<span style="color:#dcc6e0">const</span> data = <span style="color:#dcc6e0">await</span> response.data;
<span style="color:#dcc6e0">if</span> (data.message === <span style="color:#abe338">'ok'</span>) {
<span style="color:#f5ab35">this</span>.setState({ data: data.data });
<span style="color:#f5ab35">console</span>.log(<span style="color:#abe338">"== data: "</span>, data);
}
}
} <span style="color:#dcc6e0">catch</span> (error) {
<span style="color:#f5ab35">console</span>.error(<span style="color:#abe338">'== Error get calculation template details:'</span>, error);
}
}