{"id":319,"date":"2015-11-08T11:55:38","date_gmt":"2015-11-08T03:55:38","guid":{"rendered":"http:\/\/weitaoc.com\/?p=319"},"modified":"2019-09-27T14:18:39","modified_gmt":"2019-09-27T06:18:39","slug":"nodejs%e9%9d%9e%e9%98%bb%e5%a1%9e%e7%9a%84%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"http:\/\/weitaoc.com\/?p=319","title":{"rendered":"nodeJs\u975e\u963b\u585e\u7684\u5b9e\u73b0"},"content":{"rendered":"

nodeJs\u5b98\u65b9\u7684\u8bf4\u6cd5\u662f\uff1a\u5728nodeJs\u4e2d\u9664\u4e86\u4ee3\u7801\uff0c\u6240\u6709\u4e00\u5207\u90fd\u662f\u5e76\u884c\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\u53ef\u4ee5\u5728\u4e0d\u65b0\u589e\u8fdb\u7a0b\u7684\u60c5\u51b5\u4e0b\uff0c\u4f9d\u7136\u53ef\u4ee5\u5bf9\u4efb\u52a1\u8fdb\u884c\u5e76\u884c\u5904\u7406\u3002<\/p>\n

\u5b9e\u73b0\u7684\u65b9\u5f0f\u5c31\u662f\u901a\u8fc7\u4e8b\u4ef6\u8f6e\u8be2\uff0c\u5f53\u7136\u8fd9\u4e5f\u4e0d\u662f\u4e2a\u7b80\u5355\u7684\u4e8b\u60c5\uff0c\u8981\u4f7f\u7528\u4e8b\u4ef6\u8f6e\u8be2\u5c31\u9700\u8981\u4f7f\u7528\u56de\u8c03\uff0c\u5c06\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u9700\u8981\u82b1\u65f6\u95f4\u505a\u5904\u7406\u7684\u51fd\u6570\uff08\u6bd4\u5982\u590d\u6742\u903b\u8f91\uff09\u3002<\/p>\n

\u7b80\u5355\u7684\u4e00\u53e5\u8bdd\u5c31\u662f\uff1anodeJs\u975e\u963b\u585e\u662f\u901a\u8fc7\u8f6e\u8be2\u56de\u8c03\u4e8b\u4ef6\u5b9e\u73b0\u7684\u3002<\/p>\n

\u5904\u7406\u590d\u6742\u903b\u8f91\u65f6\uff0c\u5982\u679c\u4e0d\u505a\u5904\u7406\uff0c\u4f1a\u963b\u585e\u6389\u8fdb\u7a0b\uff0c\u5bfc\u81f4\u5176\u4ed6\u8bf7\u6c42\u4e0d\u80fd\u6267\u884c\uff08nodeJs\u65f6\u5355\u8fdb\u7a0b\uff09\uff0c\u6240\u4ee5\u5bf9\u8fd9\u7c7b\u903b\u8f91\u7528\u5f02\u6b65\u5904\u7406\uff0c\u90fd\u662f\u8bf7\u6c42\u65f6\u540c\u6b65\u6267\u884c\u7684\uff0c\u5f02\u6b65\u7684\u7ed3\u679c\u65e0\u6cd5\u8fd4\u56de\u7ed9\u7528\u6237\uff0c\u5c31\u5fc5\u987b\u91c7\u7528\u5f02\u6b65\u56de\u8c03\u7684\u65b9\u5f0f\uff0c\u5b50\u8fdb\u7a0b\u6267\u884c\u5b8c\u6210\u540e\u56de\u8c03\u4f20\u5165\u7684\u56de\u8c03\u51fd\u6570\uff0c\u786e\u4fdd\u7ed3\u679c\u6b63\u5e38\u8fd4\u56de\uff0c\u540c\u65f6\u907f\u514d\u8fdb\u7a0b\u963b\u585e\u3002<\/p>\n

\u5148\u6765\u770b\u4e00\u4e2a\u9519\u8bef\u7684\u4f8b\u5b50\uff1a<\/p>\n

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<\/div><\/td>
var exec = require("child_process").exec;
\n
\nfunction start() {
\n
\nconsole.log("Request handler 'start' was called.");
\n
\nvar content = "empty";
\n
\nexec("find \/", function (error, stdout, stderr) {
\n
\ncontent = stdout;
\n
\n});
\n
\nreturn content;
\n}
\n
\nfunction upload() {
\n
\nconsole.log("Request handler 'upload' was called.");
\n
\nreturn "Hello Upload";
\n
\n}
\n
\nexports.start = start;
\n
\nexports.upload = upload;<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n

“find \/”\u662f\u975e\u5e38\u8017\u65f6\u7684\uff0c\u6211\u4eec\u8fd9\u91cc\u901a\u8fc7exec()\u5f00\u542f\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u53bb\u6267\u884c\uff0c\u4f46\u662freturn content\u662f\u540c\u6b65\u6267\u884c\u7684\uff0c\u8fd4\u56de\u503c\u4f1a\u662f”empty”\u3002\u8fd9\u65f6\u9700\u8981\u5bf9\u8fd9\u4e2a\u5b50\u8fdb\u7a0b\u5199\u5165\u56de\u8c03\uff0c\u8ba9\u5b50\u8fdb\u7a0b\u6267\u884c\u5b8c\u540e\u56de\u8c03\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n

\u4ee3\u7801\u4fee\u6539\u4e00\u4e0b\uff1a<\/p>\n

\n
\n
\n
\n

server.js<\/p>\n

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<\/div><\/td>
var http = require("http");
\n
\nvar url = require("url");
\n
\nfunction start(route, handle) {
\n
\nfunction onRequest(request, response) {
\n
\nvar pathname = url.parse(request.url).pathname;
\n
\nconsole.log("Request for " + pathname + " received.");
\n
\nroute(handle, pathname, response);
\n
\n}
\n
\nhttp.createServer(onRequest).listen(8888);
\n
\nconsole.log("Server has started.");
\n
\n}
\n
\nexports.start = start;<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n
\n
\n
\n
\n

router.js<\/p>\n

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<\/div><\/td>
function route(handle, pathname, response) {
\n
\nconsole.log("About to route a request for " + pathname);
\n
\nif (typeof handle[pathname] === 'function') {
\n
\nhandle[pathname](response);
\n
\n} else {
\n
\nconsole.log("No request handler found for " + pathname);
\n
\nresponse.writeHead(404, {"Content-Type": "text\/plain"});
\nresponse.write("404 Not found");
\n
\nresponse.end();
\n
\n}
\n
\n}
\n
\nexports.route = route;<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n
\n
\n
\n
\n

requestHandler.js<\/p>\n

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<\/div><\/td>
var exec = require("child_process").exec;
\n
\nfunction start(response) {
\n
\nconsole.log("Request handler 'start' was called.");
\n
\nexec("find \/", function (error, stdout, stderr) {
\n
\nresponse.writeHead(200, {"Content-Type": "text\/plain"});
\n
\nresponse.write(stdout); response.end(); });
\n
\n}
\n
\nfunction upload(response) {
\n
\nconsole.log("Request handler 'upload' was called.");
\n
\nresponse.writeHead(200, {"Content-Type": "text\/plain"});
\n
\nresponse.write("Hello Upload");
\n
\nresponse.end();
\n
\n}
\nexports.start = start;
\n
\nexports.upload = upload;<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n

\u8fd9\u91cc\u628aresponse\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570\uff0c\u786e\u4fdd\u5b50\u8fdb\u7a0b\u6267\u884c\u5b8c\u540e\u56de\u8c03\u8fd4\u56de\u6570\u636e\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\"f0bbbca1c04b7009d93bc6f41e30eec2\"<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a\u8ff7\u8def\u7684\u8001\u9f20<\/a> » nodeJs\u975e\u963b\u585e\u7684\u5b9e\u73b0<\/a><\/p>","protected":false},"excerpt":{"rendered":"

nodeJs\u5b98\u65b9\u7684\u8bf4\u6cd5\u662f\uff1a\u5728nodeJs\u4e2d\u9664\u4e86\u4ee3\u7801\uff0c\u6240\u6709\u4e00\u5207\u90fd\u662f\u5e76\u884c\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\u53ef\u4ee5\u5728\u4e0d\u65b0\u589e\u8fdb\u7a0b\u7684\u60c5\u51b5\u4e0b\uff0c\u4f9d\u7136\u53ef\u4ee5\u5bf9\u4efb\u52a1\u8fdb\u884c\u5e76\u884c\u5904\u7406\u3002 \u5b9e\u73b0\u7684\u65b9\u5f0f\u5c31\u662f\u901a\u8fc7\u4e8b\u4ef6\u8f6e\u8be2\uff0c\u5f53\u7136\u8fd9\u4e5f\u4e0d\u662f\u4e2a\u7b80\u5355\u7684\u4e8b\u60c5\uff0c\u8981\u4f7f\u7528\u4e8b\u4ef6\u8f6e\u8be2\u5c31\u9700\u8981\u4f7f\u7528\u56de\u8c03\uff0c\u5c06\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u9700\u8981\u82b1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[51],"class_list":["post-319","post","type-post","status-publish","format-standard","hentry","category-other","tag-nodejs"],"views":3350,"_links":{"self":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts\/319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=319"}],"version-history":[{"count":3,"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts\/319\/revisions"}],"predecessor-version":[{"id":323,"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts\/319\/revisions\/323"}],"wp:attachment":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=319"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}