7. 读取两个文件。先读取1.txt,在读取里面内容指定的文件，并输入结果.

[zhufengnodejs]

fs.readFile('./1.txt',function(err,data){
    console.log(data.toString());
});

[ghost]

var fs = require('fs');
console.log('1');
fs.readFile('1.txt', function (err, data) {
    fs.readFile(data.toString(), 'utf-8', function (err, data) {
        console.log(data);
    });
});

console.log('2');

"D:\Program Files\JetBrains\WebStorm 10.0.4\bin\runnerw.exe" "C:\Program Files\nodejs\node.exe" readFile.js
1
2
梦缘

[PearlSong]

var fs=require("fs");
var err=fs.readFile("./hi.txt",function(err,data){
    console.log(data.toString());
    var content=data.toString();
    fs.readFile("./"+content,function(err,data){
        console.log(data.toString());
    })
});

hello.txt
hahahahhahh

[Liuyundere]

fs.readFile("./1.txt",function(err,data) {
    console.log(data.toString());
    fs.readFile(data.toString(),function(err,e) {
        console.log(e.toString());

    })
})

[liuxiaopan]

var fs=require("fs");
var result=fs.readFileSync('./1.txt');
console.log(result.toString());
var fss=require("fs");
fss.readFile(result.toString(), function (err, data) {
    console.log(data.toString());
});

[Brolly0204]

fs.readFile('1.txt',function(err,data){
    console.log(data.toString());
    fs.readFile(data.toString(),function(err,data){
        console.log(data.toString());
    });
});

"D:\WebStorm 10.0.3\bin\runnerw.exe" "C:\Program Files\nodejs\node.exe" fs.js
hello.txt
hello11111

[zhangguiping2015]

var fs=require("fs");
fs.readFile('./1.txt',function(err,data){
    fs.readFile(data.toString(),function(err,data){
        console.log(data.toString());
    })
});

[miaoyunyu]

var fs = require('fs');
console.log('1');
fs.readFile('./text', function (err, date) {
    console.log(date.toString());
});
console.log('2');

[jinruili2015]

var fs = require("fs");
fs.readFile("./1.txt",function(err,data){
    fs.readFile("./"+data.toString()+"",function(err,data){
        console.log(data.toString());
    });
});

[luoaihua919]

var fs=require('fs');
fs.readFile('./1.txt',function(err,data){
    fs.readFile(data.toString(),function(err,data){
        console.log(data.toString());
    });
});

[zhangz-ZZ]

var fss=require("fs");
fss.readFile("11.txt",function(err,data){
    fss.readFile(data.toString(),function(err,data){
        console.log(data);
    });
});

[iamsjh]

var fs = require('fs');
fs.readFile('./1.txt',function(err,data){
    //err可以判断读取是否成功
    console.log(data.toString());
    fs.readFile(data.toString(),function(err,data){
        console.log(data.toString()) ;
    })
});

[qiujinlong11]

var fs=require('fs');
console.log("haHa");
fs.readFile("1111.js",function(err,data){
    console.log(data.toString())
})
console.log(2);

[liuhui2990296]

console.log("1");
var fs=require("fs");
fs.readFile('./1.txt',function(err,data){
    fs.readFile(data.toString(),function(err,data){
        console.log(data.toString());
    })
});
console.log("3");

"E:\珠峰培训2015年JS基础视频\WebStorm 10.0.3\bin\runnerw.exe" "C:\Program Files\nodejs\node.exe" liu.js 1 3 hello hello hello

[xingweiyan]

var fs=require("fs");
var dt =fs.readFileSync('./a.txt').toString();
fs.readFile(dt,function(err,data){
   console.log(data.toString())
});
···

[wangwensha]

var fs = require('fs');
fs.readFile('./1','utf-8',function(err,data){
    if(err){
        console.log('文件读取失败',err)
    }else{
        fs.readFile(data.toString(),function(err,ele){
            console.log(ele.toString());
        });
    }

[miaoyunyu]

var fs = require('fs');
fs.readFile('./txt', 'utf-8', function (err, date) {
    if (err) {
        console.log("1");
    } else {
        fs.readFile(date, function (err, date) {
            console.log(date);
        })
    }
});

[guozimo]

var fs = require('fs'); console.log('1'); fs.readFile('1.txt', function (err, data) { fs.readFile(data.toString(), 'utf-8', function (err, data) { console.log(data); }); });

console.log('2');

"D:\Program Files\JetBrains\WebStorm 10.0.4\bin\runnerw.exe" "C:\Program Files\nodejs\node.exe" readFile.js 1 2 copy renshu's file copy renshu's file copy renshu's file copy renshu's file

[qixin8]

var fs = require('fs');
console.log('先');
fs.readFile('1', function (err, data) {
    fs.readFile(data.toString(),'utf8', function (err, data) {
        console.log(data);
    });
});

console.log('后');

[hehua0915]

var fs=require("fs");
console.log("1");
fs.readFile("1.text","utf-8",function(err,data){
    fs.readFile(data,"utf-8",function(err,data){
        console.log(data);
    })

});

[jingruia]

var fs=require("fs");
console.log("1");
fs.readFile("1.txt",function(err,data){
    //console.log(data.toString());
    fs.readFile(data.toString(),function(err,data){
        console.log(data.toString());
    })
})

[liuying0525]

var fs = require("fs");
fs.readFile("./1.txt","utf8",function(err,data){
    if(err){
        console.error("读取文件失败",data);
    }else{
        fs.readFile(data,"utf8",function(err,data){
                    console.log(data);
        });
    }
})

[renjinhui]

var  fs=require("fs");
console.log("1");
fs.readFile("./1.js",function(err,data){
    console.log("2");
    fs.readFile(data.toString(),function(err,data){
        console.log(data.toString());
    })
});
console.log("3");

[guozimo]

Mr Zhang,The mood in my heart is so horrible,I can't stand it.Could you give me a essy path to study NodeJS?Thank you

[zhoushan1]

var fs=require("fs");
console.log("1");
 fs.readFile("./1.txt",function(err,data){

     fs.readFile(data.toString(),function(err,data){
         console.log(data.toString());
     })

 })
console.log("2");

[niuxiaoxin123]

var fs=require('fs');
console.log("1");
fs.readFile('hello.txt.js',function(err,data) {
    fs.readFile(data.toString(), function (err, data) {
        console.log(data.toString());
    });
    });

console.log("2");

[qiujinlong11]

var fs=require('fs');
console.log("haHa");
fs.readFile("hello.txt","utf-8",function(err,data){
    //console.log(data)
    fs.readFile(data.toString(),"utf-8",function(err,data){console.log(data.toString())
 })
})
console.log(2);

[zhangjinjie]

···

var fs = require('fs'); fs.readFile('1.txt', function (err, data) { if(err){ console.error('读取文件失败',err); }else{ fs.readFile(data.toString(), 'utf-8', function (err, data) { console.log(data); }); } }); ···

[chenghuihui-0917]

var fs = require('fs');
fs.readFile('./1.txt', function (err, data) {
    console.log(data.toString());
    if(err){
        console.error('文件失败',err);
    }
    fs.readFile(data.toString(), 'utf-8', function (err, data) {
        console.log(data);
    });
});

[cuilyGitHub]

1.txt

2.txt

2.txt

hello

1.js

var fs = require('fs');
console.log('2');
fs.readFile('1.txt', function (err, data) {
    fs.readFile(data.toString(), 'utf-8', function (err, data) {
        console.log(data);
    });
});

console.log('2');

[da-panggui]

var fs=require('fs');
fs.readFile('1.txt',function(err,data){
    if(err){
        console.error('读取文件失败',err);

    }else{
    fs.readFile(data.toString(),'utf-8',function(err,data){
        console.log(data)
    })}
});