nodejs

    xiaoxiao2021-04-12  33

    /** * Created by linyunfu on 2017/4/13. */ var http=require('http'), url=require('url'), fs=require('fs'); var server1=http.createServer(function(req,res){ //解析客户端请求地址中文件目录名称以及数据内容 var urlObj=url.parse(req.url,true), pathname=urlObj["pathname"], query=urlObj["query"], reg=/\.(HTML|JS|CSS|JSON|TXT|ICO|JPG|PNG|GIF|BMP)/i; if(reg.test(pathname)){ var suffix=reg.exec(pathname[1].toUpperCase()); // 根据后缀名,获取到当前文件的类型 var suffixMIME='text/plain'; switch(suffix){ case "HTML": suffixMIME="text/html"; break; case "CSS": suffixMIME="text/css"; break; case "JS": suffixMIME="text/javascript"; break; case "JSON": suffixMIME="application/json"; break; case "ICO": suffixMIME="application/octet-stream"; break; } //都是字符串格式的 try{ var confile=fs.readFileSync("."+pathname,"utf-8"); //重写响应头信息:告诉客户端浏览器,我返回的内容的格式 res.writeHead(200,{'content-type':suffixMIME+'charset=utf-8;'}); res.end(confile); } catch (e){ res.writeHead(404,{'content-type':'text/plain;charset=utf-8;'}); res.end('request loser') } } //如果客户端请求的资源文件不存在(防止服务终止) try{ var con=fs.readFileSync("."+pathname,'utf-8'); res.end(con); }catch (e){ res.end("request file is not find"); } }); server1.listen(1234,function(){ console.log("1234"); });
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