表单验证脚本-优快云博客

function
getFocus()  //设置用户名文本框获取焦点
{ 
    document.getElementById("txtuname").focus();
} 
  
function
checkname()  //检查用户名
{ 
    var
myname=document.getElementById("txtuname").value;
    var
myDivname=document.getElementById("uname");
    if(myname=="")
    {
        myDivname.innerHTML="<font color='red'>用户名不能为空!</font>";
        return
false; 
    }
    for(var
i=0;i<myname.length;i++) 
    {
        var
text=myname.charAt(i); 
        if(!(text<=9&&text>=0)&&!(text>='a'&&text<='z')&&!(text>='A'&&text<='Z')&&text!="_")
        {
         myDivname.innerHTML="<font color='red'>用户名只能是数字、字母、下划线组成！</font>";
         break;
        }
    }
    if(i>=myname.length)
    {
        myDivname.innerHTML="<font color='red'>√</font>";
        return
true; 
    }
} 
  
function
checkuserpassword()  //检查密码 
{ 
 var
mypassword=document.getElementById("txtuserpassword").value;
 var
myDivpassword=document.getElementById("userpassword");
 if(mypassword=="")
 {
  myDivpassword.innerHTML="<font color='red'>密码不能为空!</font>";
  return
false; 
 }
 else
if(mypassword.length<6)
 {
  myDivpassword.innerHTML="<font color='red'>密码至少应为六位!</font>";
  return
false; 
 }
 else
 {
  myDivpassword.innerHTML="<font color='red'>√</font>";
  return
true; 
 } 
} 
  
function
checkpwdagin()  //检查确认密码
{ 
 var
myispassword=document.getElementById("txtpwdagin").value;
 var
myDivispassword=document.getElementById("pwdagin");
 if(myispassword=="")
 {
     myDivispassword.innerHTML="<font color='red'>确认密码不能为空!</font>";
     return
false; 
 }
 else
if(document.getElementById("txtuserpassword").value!=document.getElementById("txtpwdagin").value)
 {
  myDivispassword.innerHTML="<font color='red'>确认密码与密码不一致!</font>";
  return
false; 
 } 
 else
 {
  myDivispassword.innerHTML="<font color='red'>√</font>";
  return
true; 
 } 
} 
  
function
checktelephone()  //检查电话号码
{ 
 var
mytelephone=document.getElementById("txttelephone").value;
 var
myDivtelephone=document.getElementById("telephone");
 if(mytelephone!="")
 {
     var
reg = /^[0-9]{11}$/i; 
     if(!reg.test(mytelephone))
        {
            myDivtelephone.innerHTML="<font color='red'>只能输入11位数字！例：13595144582或08514785214</font>";
            return
false; 
        }
     else
     {
      myDivtelephone.innerHTML="<font color='red'>√</font>";
      return
true; 
     }
 }
 else
 {
     myDivtelephone.innerHTML="<font color='red'>√</font>";
     return
true; 
 }
} 
  
function
checkemail()  //检查E-mail
{ 
 var
myemail=document.getElementById("txtemail").value;
 var
myDivemail=document.getElementById("email");
 if(myemail!="")
 {
     if(myemail.indexOf("@")==-1||myemail.indexOf(".")==-1||(myemail.indexOf("@")>myemail.indexOf(".")))
     {
      myDivemail.innerHTML="<font color='red'>E-mail格式不正确！例：jiie@163.com</font>";
      return
false; 
     } 
     else
     {
      myDivemail.innerHTML="<font color='red'>√</font>";
      return
true; 
     }
 }
 else
 {
     myDivemail.innerHTML="<font color='red'>√</font>";
     return
true; 
 }
} 
  
function
checkqq()  //检查QQ号码
{ 
 var
myqq=document.getElementById("txtqq").value;
 var
myDivqq=document.getElementById("divqq");
 if(myqq!="")
 {
     if(myqq.match(/\D/)!=null)
     {
      myDivqq.innerHTML="<font color='red'>QQ号码只能输入数字！</font>";
      return
false; 
     }
     else
     {
      myDivqq.innerHTML="<font color='red'>√</font>";
      return
true; 
     }
 }
 else
 {
     myDivqq.innerHTML="<font color='red'>√</font>";
     return
true; 
 }
} 
  
function
checkall()  //检查所有
{ 
    if(checkname()&&checkuserpassword()&&checkpwdagin()&&checktelephone()&&checkemail()&&checkqq())
    {
        return
true; 
    }
    return
false; 
} 
  
//复选框的选中与否是按钮的状态
function
checkcjkx() 
{ 
    var
a=document.form1.btnregister; 
    if(a==null)
    {
        return
    }
    if(document.form1.ckbxcjkx!=null)
    {
        if(document.form1.ckbxcjkx.checked)
        {
            a.disabled=false;
            return
        }
        else
        {
            a.disabled=true;
            return
        }
    }
    else
    {
        a.disabled=true;
        return
    }
}