<script type="text/javascript"> function checkRoleName(){ var userName=document.getElementById("roleName").value; if(userName.replace(/\s/g,'')==''){ alert("请输入角色名称"); document.getElementById("roleName").focus
窗体设计: 代码: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace WindowsFormsAppl