| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| const http = require("http"); |
| const fs = require("fs"); |
| const server = http.createServer(); |
| |
| server.on("request", function(req, res) { |
| var arrPara = req.url.split("?") |
| console.log("arrPara : " + arrPara); |
| if (req.url == '/') { |
| res.setHeader('Content-Type', 'text/html; charset=utf-8') |
| |
| fs.readFile("static/index.html", "utf-8", function(error, data) { |
| // 用error来判断文件是否读取成功 |
| if (error) return console.log("err index.html : " + error.message); |
| console.log("index.html : " + data); |
| res.end(data) |
| }); |
| } else if (arrPara[0] == '/calculator/bmi') { |
| var arrPara = req.url.split("?") |
| console.log("arrPara : " + arrPara); |
| if (arrPara.length != 2) { |
| res.end("para err : " + req.url); |
| } |
| var arrInfo = arrPara[1].split("&"); |
| if (arrInfo.length != 2) { |
| res.end("para err : " + req.url) |
| } |
| var request = require("request"); |
| request('http://calculator/bmi?' + arrPara[1], function(error, response, body) { |
| console.log(body); |
| if (!error && response.statusCode == 200) { |
| res.setHeader("Content-Type", "application/json") |
| res.setHeader("Access-Control-Allow-Origin", "*") |
| res.end(body); |
| }; |
| if (error || response.statusCode != 200) { |
| res.end(body); |
| }; |
| }); |
| } else { |
| res.end("err url : " + req.url) |
| } |
| }); |
| |
| server.listen(4597); |