完成大作业服务端代码，新建管理端，管理端不可用

Project/Service/static/js/checkInfo.js

@@ -0,0 +1,15 @@
+var checkInfo = {};
+
+checkInfo.checkMobileNo = function() {
+    let mobileNo = document.getElementById('mobileNo').value;
+    let regexMobileNo = /^1[3-9]\d{9}$/;
+    return regexMobileNo.test(mobileNo);
+}
+
+checkInfo.checkPassword = function() {
+    let password = document.getElementById('password').value;
+    let regexPassword = /^[A-Za-z0-9\W_]{6,20}$/;
+    let isValidPassword = regexPassword.test(password);
+    let confirmPassword = document.getElementById('confirmPassword').value;
+    return isValidPassword && (password === confirmPassword);
+}