javasrcipt 注册验证代码
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 }}
