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node.js中的fs.lstat方法使用说明_node.js

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Release: 2016-05-16 16:26:33
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方法说明:

获取文件信息(不解析符号链接)。

语法:

复制代码 代码如下:

fs.lstat(path, [callback(err, stats)])

由于该方法属于fs模块,使用前需要引入fs模块(var fs= require(“fs”) )

接收参数:

path   文件路径

callback  回调,传递两个参数,异常参数err, 文件信息数组 stats

stats包含以下信息:(以下信息为案例中读取的文件信息,非默认值)

复制代码 代码如下:

{
 
 dev : 0 ,
 
 mode : 33206 ,
 
 nlink : 1 ,
 
 uid : 0 ,
 
 gid : 0 ,
 
 rdev : 0 ,
 
 ino : 0 ,
 
 size : 378(字节) ,
 
 atime : Tue Jun 10 2014 13:57:13 GMT +0800 ,
 
 mtime : Tue Jun 13 2014 09:48:31 GMT +0800 ,
 
 ctime : Tue Jun 10 2014 13:57:13 GMT +0800
 
}

例子:

复制代码 代码如下:

var fs = require('fs');
fs.lstat('content.txt', function(err, stats){
 if(err){
  throw err;
 }else{
  console.log(stats);
 }
})

源码:

复制代码 代码如下:

fs.lstat = function(path, callback) {
  callback = makeCallback(callback);
  if (!nullCheck(path, callback)) return;
  binding.lstat(pathModule._makeLong(path), callback);
};
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