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请问express中url路由传递参数?
具体情况是这样的每个请求的header或是body中都会携带一些参数 我希望在路由最开始写一个方法取出这些参数在后面的路由方法中不需要重复写获取这些参数的代码 而可以直接使用这些变量
请问应该如何实现谢谢!!!!
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You can add your own defined middleware in front of your route and add the parameters in the header to req
app.use(function(req,res,next){ req.selfDefineProps = doSomethingWithHeader(req.headers['someProps']); next(); }); router.get('/someUrl', function(req,res,next){ var selfDefineProps = req.selfDefineProps; res.json(selfDefineProps); }); router.get('/someOtherUrl', function(req,res,next){ var selfDefineProps = req.selfDefineProps; res.json(selfDefineProps); });
You can add your own defined middleware in front of your route and add the parameters in the header to req