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Update logger.js #27

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Update logger.js #27

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28 changes: 19 additions & 9 deletions NodeSample/utils/logger.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,23 +7,33 @@
* var log = logger("filePath");
* log.writeLog("err",logMessage);
*/
var fs = require('fs');
var buffersize = 30000;
const fs = require('fs');
const buffersize = 30000;

exports.init = function(logfile){
if(logfile){
var buffer = new Buffer(buffersize);
var fd = fs.openSync(logfile,'a');
const buffer = Buffer.alloc(buffersize);
let fd;
try {
fd = await fs.promises.open(logfile, 'a');
} catch (err) {
throw err;
}
}
function writeLog(type,logmsg){
var log = {type:type,msg:logmsg,time:getTime()};
async function writeLog(type,logmsg){
const log = {type:type,msg:logmsg,time:getTime()};
console.log(formatLogMsg(log));
fs.writeSync(fd,formatLogMsg(log),0,0,null);
try {
await fs.promises.write(fd, formatLogMsg(log), 0, 0);
} catch (err) {
throw err;
}
}
return {
log: function(type,logmsg){writeLog(type,logmsg)},
log: async function(type,logmsg){await writeLog(type,logmsg)},
};
}

//格式化日志内容
function formatLogMsg(log){
return [log.time,log.type,log.msg] + "\n";
Expand Down Expand Up @@ -53,4 +63,4 @@ function allPrpos ( obj ) {
}
// 最后显示所有的属性
return props;
}
}