aaaa

2021-06-03 10:52:41 +08:00
parent c5f18c6051
commit 907511778b
54 changed files with 3540 additions and 50 deletions
--- a/teaching/wanzhaoyi/hanshu.html
+++ b/teaching/wanzhaoyi/hanshu.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <script>
+        function jiemi(arr){
+            var newarr=[]
+            if(arr.length==4){
+                for(let i=0;i<arr.length;i++){
+                    arr[i]=parseInt(arr[i])
+                    arr[i]=(arr[i]+5)%10
+                }
+                console.log(arr)
+                newarr[0]=arr[3]
+                newarr[1]=arr[2]
+                newarr[3]=arr[0]
+                newarr[2]=arr[1]
+                
+            }
+            console.log(newarr,"new")
+        }
+
+        function check(str){
+            var arr=str.split('.')
+            var res;
+            if(arr.length==4){
+                for(let i=0;i<arr.length;i++){
+                    if(Number(arr[i])>0 && Number(arr[i])<255){
+                        res=true
+                    }else{
+                        res=false
+                    }
+                }
+                if(res){
+                    console.log("是ipv4")
+                }else{
+                    console.log("不是ipv4")
+                }
+            }else{
+                console.log("不合规")
+            }
+        }
+    </script>
+</body>
+</html>