Header "%s" value must not be undefined
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request.headers.origin 在本地测试值为undefined运行node 命令后报错：Header "%s" value must not be undefined
改成以下代码就正常：
var origin = typeof(request.headers.origin) == "undefined" ? "*" : request.headers.origin;response.writeHead(200, { "Content-Type": "text/html; charset=UTF-8", 'Access-Control-Allow-Origin':request.headers.origin });response.end(res + '\n'); 阅读全文
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