diff --git "a/\345\200\252\345\273\272\350\261\252/20220228/allFileDemo.txt" "b/\345\200\252\345\273\272\350\261\252/20220228/allFileDemo.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..8126bcc7663504f518fe1549169ae658db8edea4
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220228/allFileDemo.txt"
@@ -0,0 +1 @@
+0.70586849262201;0.48523043849087544;0.033462136578031654;0.5530453935618267;
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/1.txt" "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/1.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..40557c3f6b140ce7e21628937f04b800246c59fe
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/1.txt"
@@ -0,0 +1 @@
+0.70586849262201
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/2.txt" "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/2.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..1adcf603be094d89d53aedb9102d1e4e5a45ad40
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/2.txt"
@@ -0,0 +1 @@
+0.48523043849087544
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/3.txt" "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/3.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..4e8553e1ad520df9a6fd8cda2afb8f003f9440dd
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/3.txt"
@@ -0,0 +1 @@
+0.033462136578031654
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/4.txt" "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/4.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..131a2a42af42105ad0cc15c00fe29d348c7d050a
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220228/fileDemo/4.txt"
@@ -0,0 +1 @@
+0.5530453935618267
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220228/readFileAsync.js" "b/\345\200\252\345\273\272\350\261\252/20220228/readFileAsync.js"
new file mode 100644
index 0000000000000000000000000000000000000000..aef66575f382fc47e27a061b45eea81f2e13cdea
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220228/readFileAsync.js"
@@ -0,0 +1,68 @@
+let fs=require("fs");
+
+let createNum=[];
+let newStr="";
+let createFiles={
+    
+    createDir:function(dirname){
+        //是否创建
+        if (fs.existsSync(dirname)) {
+        }else{
+            return fs.mkdirSync(dirname);
+        }
+    },
+    createCount:function(){
+
+        return Math.random() + ""
+    },
+    createFileName:function(dirname,num) {
+        // console.log(num);
+        // console.log(dirname);
+        return dirname+'/'+num+".txt"
+    },
+    createFile:function(filename,content) {
+        let fd=fs.openSync(filename,"w");
+        fs.writeSync(fd,content);
+        fs.closeSync(fd);   
+    },
+    handle:function(dirname,num) {
+        this.createDir(dirname);
+        for(let i=1;i<num;i++){
+            let fileName=this.createFileName(dirname,i);
+            let content=this.createCount();
+            this.createFile(fileName,content)
+           let fd3=fs.open(fileName,'r',function(err,fd1){
+                if (err) {
+                    console.log(err);
+                } else {
+
+                    let info=fs.statSync(fileName)
+                    let bf=Buffer.alloc(info.size);
+                    fs.read(fd1,bf,0,info.size,null,function(err,length,bf2){
+                        createNum[i]=bf2.toString();
+                        newStr=newStr+createNum[i]+";"
+                        
+                    })
+                    fs.close(fd1,function(err){
+                        console.log(err);
+                    })
+                   
+                }
+
+            })
+         
+        }
+     
+
+        
+    }
+}
+
+
+createFiles.handle("./fileDemo",5);
+
+setTimeout(()=>{
+    console.log(newStr);
+    createFiles.createFile("./allFileDemo.txt",newStr)
+},200)
+
diff --git "a/\345\200\252\345\273\272\350\261\252/20220301/allFileDemo.txt" "b/\345\200\252\345\273\272\350\261\252/20220301/allFileDemo.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..6bef9fab1301cd46fbd03c7854f0360b7ee071a5
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220301/allFileDemo.txt"
@@ -0,0 +1 @@
+/0.9418842995199164/0.24007293613496716/0.09186180842105851/0.8231259402172095/0.3788101350406554
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/1.txt" "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/1.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..c2f6afa3dcb546a884390780939cf21ccb47eb13
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/1.txt"
@@ -0,0 +1 @@
+0.9418842995199164
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/2.txt" "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/2.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..90d172ba7f359a36ed4aab6428e793070651ab88
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/2.txt"
@@ -0,0 +1 @@
+0.24007293613496716
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/3.txt" "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/3.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..422adecdc0bfcbc653dcfeb7f32c34d640203db2
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/3.txt"
@@ -0,0 +1 @@
+0.09186180842105851
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/4.txt" "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/4.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..5ebf210185f8056c2bbc3aba05503f9b7c78a1e3
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/4.txt"
@@ -0,0 +1 @@
+0.8231259402172095
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/5.txt" "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/5.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..1ea79a9f5e89d0e596d1c047d8b4640f5b75129f
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220301/fileDemo/5.txt"
@@ -0,0 +1 @@
+0.3788101350406554
\ No newline at end of file
diff --git "a/\345\200\252\345\273\272\350\261\252/20220301/readFileAsync.js" "b/\345\200\252\345\273\272\350\261\252/20220301/readFileAsync.js"
new file mode 100644
index 0000000000000000000000000000000000000000..99cc8b1a0db9e14ed2ab650476b3438498efe47d
--- /dev/null
+++ "b/\345\200\252\345\273\272\350\261\252/20220301/readFileAsync.js"
@@ -0,0 +1,86 @@
+let fs=require("fs");
+
+let createNum=[];
+let newStr="";
+let createFiles={
+    
+    createDir:function(dirname){
+        //是否创建
+        if (fs.existsSync(dirname)) {
+        }else{
+            return fs.mkdirSync(dirname);
+        }
+    },
+    createCount:function(){
+
+        return Math.random() + ""
+    },
+    createFileName:function(dirname,num) {
+        // console.log(num);
+        // console.log(dirname);
+        return dirname+'/'+num+".txt"
+    },
+    createFile:function(filename,content) {
+        let fd=fs.openSync(filename,"w");
+        fs.writeSync(fd,content);
+        fs.closeSync(fd);   
+    },
+    handle:function(dirname,num) {
+        this.createDir(dirname);
+        for(let i=1;i<=num;i++){
+            let fileName=this.createFileName(dirname,i);
+            let content=this.createCount();
+            this.createFile(fileName,content)
+           let fd3=fs.open(fileName,'r',function(err,fd){
+            //    console.log(fd3);
+                if (err) {
+                    console.log(err);
+                } else {
+                    let info=fs.statSync(fileName)
+                    let bf=Buffer.alloc(info.size);
+                    fs.read(fd,bf,0,info.size,null,function(err,length,bf2){
+                        createNum[i]=bf2.toString();
+
+                        newStr=newStr+"/"+createNum[i]
+                        
+                       
+                    })
+
+                  
+                }
+                
+            
+
+            })
+           
+        }
+
+    }
+}
+
+
+createFiles.handle("./fileDemo",5);
+
+setTimeout(()=>{
+    console.log("内容拼接："+newStr);
+    
+    let max=0;
+    for(let i=1;i<=createNum.length;i++){
+    
+        
+        if (max<createNum[i]) {
+            max=parseFloat(createNum[i])
+           
+        }
+    }
+ 
+    console.log("最大值为："+max);
+    createFiles.createFile("./allFileDemo.txt",newStr)
+
+  
+},200)
+
+
+
+
+