javascript登錄檔單
阿新 • • 發佈：2019-01-27
html部分：<html> <head> <title>登錄檔單</title> <script language="JavaScript" src="check.js"></script> </head> <body> <form name="form1" onsubmit="return checkreg()" method="post" action="success.html" > <table width="372" height="89" border="1" cellpadding="1" cellspacing="0" bordercolor="#0000FF" align="center"> <tr> <td width="127" height="32">使用者名稱:</td> <td width="122"><label> <input type="text" name="username" id="User"/> </label> </tr> <tr> <td height="27">密碼:</td> <td height="27" colspan="2"><input type="password" name="pass" id="Pwd"></td> </tr> <tr> <td height="27">確認密碼:</td> <td height="27" colspan="2"><input type="password" name="passagain" id="Pwdagain"></td> </tr> <tr> <td height="27">QQ:</td> <td height="27" colspan="2"><input type="text" name="qq" id="Qq" onblur="Isval(Qq,'QQ')"></td> </tr> <tr> <td height="27">E-mail:</td> <td height="27" colspan="2"><input type="text" name="email" id="Email"></td> </tr><br><br><br> <tr> <td colspan="2" align="center"> <input type="submit" name="Submit" value="提交" > <input type="reset" name="Reset" value="重置" /> </td> </tr> </table> </form> </body> </html>
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<span>恭喜你，註冊成功。</span>
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</html>JavaScript部分：
function checkreg() { if (document.form1.User.value=="") { alert("請輸入您的手機號!"); form1.User.focus(); return false; } if (document.form1.User.value.length<11) { alert("手機號輸入不足十一位!"); form1.User.focus(); return false; } if (document.form1.User.value.length>11) { alert("手機號輸入超過十一位!"); form1.User.focus(); return false; } if (document.form1.Pwd.value=="") { alert("請輸入密碼!"); form1.Pwd.focus(); return false; } if (document.form1.Pwd.value.length<6 || document.form1.Pwd.value.length>15) { alert("密碼長度限制在6-15位!"); form1.Pwd.focus(); return false; } /*if (document.form1.Pwd.pattern!="[A-Za-z0-9]+{6,15}$") { alert("請輸入大寫字母!"); form1.Pwd.focus(); return false; }*/ if(document.form1.Pwd.value!=document.form1.Pwdagain.value) { alert("兩次輸入的密碼不同!") form1.Pwd.focus(); return false; } if (document.form1.Qq.value=="") { alert("請輸入您的QQ號碼!"); form1.Qq.focus(); return false; } if (document.form1.Qq.value.length>10 || document.form1.Qq.value.length<6) { alert("QQ長度應該在4-10位之間!"); form1.Qq.focus(); return false; } if (document.form1.Email.value=="") { alert("請輸入您的Email地址!"); form1.Email.focus(); return false; } var myRegex = /@.*\.[a-z]{2,6}/; var email = form1.Email.value; email = email.replace(/^ | $/g,""); email = email.replace(/^\.*|\.*$/g,""); email = email.toLowerCase(); //驗證電子郵件的有效性 if (email == "" || !myRegex.test(email)) { alert ("請輸入有效的E-MAIL!"); form1.Email.focus(); return false; } return true; } function Isval(val,name) { if (val.value!='' && (isNaN(val.value) || val.value==0)) { alert(name+"應填數字！"); val.value=""; val.focus(); } }
