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tool/logs.js

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+const dayjs = require("dayjs");
+const fs = require("fs");
+const path = require("path");
+
+let formatText = {
+  request: function (req) {
+    let logText = new String();
+    let method = req.method;
+    //访问方法
+    logText += "request method: " + method + "\n";
+    //请求原始地址
+    logText += "request originalUrl:  " + req.originalUrl + "\n";
+    //客户端ip
+    logText += "request client ip:  " + req.ip + "\n";
+
+    //请求参数
+    if (method === "GET") {
+      logText += "request query:  " + JSON.stringify(req.query) + "\n";
+    } else {
+      logText += "request body: " + "\n" + JSON.stringify(req.body) + "\n";
+    }
+
+    return logText;
+  },
+
+  handle: (info) => {
+    let logText = new String();
+    //响应日志开始
+    logText += "\n" + `***************info log start ***************日志记录时间： ${dayjs().format("YYYY.MM.DD HH:mm:ss")}` + "\n";
+    //响应内容
+    logText += "\n" + info + "\n";
+    //响应日志结束
+    logText += "*************** info log end ***************************************************************************" + "\n";
+    return logText;
+  },
+  error: (ctx, err) => {
+    let logText = new String();
+    //错误信息开始
+    logText += "\n" + `*************** error log start ***************日志记录时间： ${dayjs().format("YYYY.MM.DD HH:mm:ss")}` + "\n";
+    //添加请求日志
+    logText += formatText.request(ctx.request);
+    //错误名称
+    logText += "err name: " + err.name + "\n";
+    //错误信息
+    logText += "err message: " + err.message + "\n";
+    //错误详情
+    logText += "err stack: " + err.stack + "\n";
+    //错误信息结束
+    logText += "*************** error log end ***************************************************************************" + "\n";
+    return logText;
+  },
+};
+
+const writeLog = (msg, type) => {
+  console.log(msg);
+
+  let pathDir = path.join(__dirname, "../logs");
+  if (!fs.existsSync(pathDir)) {
+    fs.mkdirSync(pathDir);
+  }
+
+  let fileName = dayjs().format("log_YYYY.MM.DD.log");
+
+  if (type === "error") {
+    fileName = dayjs().format("logError_YYYY.MM.DD.log");
+  }
+
+  let fileFullPath = path.join(pathDir, fileName);
+
+  if (fs.existsSync(fileFullPath)) {
+    fs.appendFileSync(fileFullPath, msg);
+  } else {
+    fs.writeFileSync(fileFullPath, msg);
+  }
+};
+
+module.exports = {
+  //封装操作日志
+  log: (msg, data) => {
+    let msgTotal = msg;
+
+    if (data) {
+      if (typeof data === "object") {
+        msgTotal += ":" + JSON.stringify(data);
+      } else {
+        msgTotal += ":" + data;
+      }
+    }
+
+    let msgStr = formatText.handle(msgTotal);
+    writeLog(msgStr);
+  },
+
+  errError(msg) {
+    let msgStr = formatText.handle(msg);
+    writeLog(msgStr, "error");
+  },
+  //封装错误日志
+  ctxError: (error, ctx) => {
+    if (ctx && error) {
+      let msg = formatText.error(ctx, error);
+      writeLog(msg, "error");
+    }
+  },
+};