diff --git "a/\346\235\216\346\254\247\351\233\257/2.28-\346\226\207\344\273\266\347\232\204\350\257\273\345\217\226/readfile.js" "b/\346\235\216\346\254\247\351\233\257/2.28-\346\226\207\344\273\266\347\232\204\350\257\273\345\217\226/readfile.js"
index 640461209b3b6d72c90be70aae1d8085e8cf66ee..c4bf4f0eff6e6e13a10ad38c1fc987ad66be9b42 100644
--- "a/\346\235\216\346\254\247\351\233\257/2.28-\346\226\207\344\273\266\347\232\204\350\257\273\345\217\226/readfile.js"
+++ "b/\346\235\216\346\254\247\351\233\257/2.28-\346\226\207\344\273\266\347\232\204\350\257\273\345\217\226/readfile.js"
@@ -2,20 +2,44 @@
 //引入模块
 let fs = require("fs");
 let str = "";
+let max = 0;
+let min;
 function filenum(num) {
     if (!isNaN(num) && num > 0) {
-        for (let i = 1; i <= num; i++) {
-            let path = `${__dirname}/${i}.txt`;
-            let fd = fs.openSync(path, 'w');
+        let arr = [];
+        let temp;
+        for (let i = 0; i < num; i++) {
             let rd = Math.floor(Math.random() * 100);
-            fs.writeSync(fd, rd);
+            arr[i] = rd;
+        } console.log("原数组：" + arr);
+        for (let i = 0; i < arr.length; i++) {
+            for (let j = 0; j < arr.length - 1; j++) {
+                //从小到大
+                if (arr[j] > arr[j + 1]) {
+                    temp = arr[j + 1];
+                    arr[j + 1] = arr[j];
+                    arr[j] = temp;
+                }
+            }
+        } console.log("排序后：" + arr);
+        for (let i = 0; i < num; i++) {
+            let path = `${__dirname}/${i + 1}.txt`;
+            let fd = fs.openSync(path, 'w');
+            fs.writeSync(fd, arr[i]);
             //读取文件内容
             let read = fs.readFileSync(path);
             str += read;
             fs.closeSync(fd);
+            if (min >= arr[i] || min === undefined) {
+                min = arr[i];
+            } else if (max <= arr[i] && max !== undefined) {
+                max = arr[i];
+            }
         }
-        console.log(str);
-    }else{
+        console.log("拼接：" + str);
+        console.log("最大值：" + max);
+        console.log("最小值：" + min);
+    } else {
         console.log("请重新输入");
     }
-}filenum(5)
+} filenum(5)