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zonghe2.html
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zonghe2.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"></meta>
</head>
<style>
form{
display:flex;
flex-direction: column;
flex-wrap:wrap
border:1px solid blue;
width:400px;
height:auto;
font-size: 12px;
font-weight: bold;
}
div{
height:50px;
}
label{
display: inline-block;
width: 90px;
text-align: right;
}
input{
width:120px;
height:25px;
}
.Label{
width:180px;
text-align:center;
display:none;
}
form input[type="submit"]{
height:25px;
}
</style>
<body>
<div>
<form name="form" onsubmit="return validate_form()">
<div>
<label>用户名:</label>
<input type="text" class="txt">
<label class="Label">必填，字符为4-16个字符</label>
</div>
<div>
<label>密码：</label>
<input type="password" class="txt">
<label class="Label">必填，字符为4-16个字符</label>
</div>
<div>
<label>确认密码:</label>
<input type="password" class="txt">
<label class="Label">必填，字符为4-16个字符</label>
</div>
<div>
<label>邮箱:</label>
<input type="text" class="txt">
<label class="Label">必填，字符为4-16个字符</label>
</div>
<div>
<label>手机:</label>
<input type="text" class="txt">
<label class="Label">必填，字符为4-16个字符</label>
</div>
<input type="submit" value="验证">
</form>
</div>
<script type="text/javascript">
var label=document.getElementsByClassName("Label");
function validate_form(){
var sum=0;
for(var i=0;i<label.length;i++){
if(label[i].innerHTML=="格式正确"){
sum=sum+1;
}else{
sum=0;
}
}
if(sum==5){
alert("验证成功");
}else{
alert("验证失败")
}
}
window.onload=function(){
var txt=document.getElementsByClassName("txt")
for(var i=0;i<txt.length;i++){
(function(n){
txt[n].onfocus=function(){
var a=n;
console.log(a);
label[a].style.display="block";
}
})(i);
}
function codefund(a){
var len=txt[a].value.length;
var sum=0;
if(txt[a].value){
for(var i=0;i<len;i++){
codeval=txt[a].value.charCodeAt(i);
if (codeval>=0x00 && 0xFF>=codeval){
sum=sum+1;
}
else
{
sum=sum+2;
}
if(sum>3 && sum<17){
label[a].style.color="#67BF7F";
label[a].innerHTML="格式正确";
}else{
label[a].style.color="#FF6666";
label[a].innerHTML="格式错误";
}
}
}
}
txt[0].onblur=function(){
if(txt[0].value){
codefund(0);
}else{
label[0].style.color="#FF6666";
label[0].innerHTML="名称不能为空";
}
}
txt[1].onblur=function(){
if(txt[1].value){
codefund(1);
}else{
label[1].style.color="#FF6666";
label[1].innerHTML="密码不能为空";
}
}
txt[2].onblur=function(){
if(txt[2].value){
if(txt[2].value==txt[1].value){
codefund(2);
}else{
label[2].style.color="#FF6666";
label[2].innerHTML="密码不一致";
}
}else{
label[2].style.color="#FF6666";
label[2].innerHTML="密码不能为空";
}
}
txt[3].onblur=function(){
var apos=txt[3].value.indexOf("@");
var dotpos=txt[3].value.lastIndexOf(".");
console.log(dotpos);
console.log(apos);
if(txt[3].value){
if(apos<1||dotpos-apos<2){
label[3].style.color="#FF6666";
label[3].innerHTML="格式错误";
}else{
label[3].style.color="#67BF7F";
label[3].innerHTML="格式正确";
}
}else{
label[3].style.color="#FF6666";
label[3].innerHTML="邮件不能为空";
}
}
txt[4].onblur=function(){
if(txt[4].value){
if((txt[4].value.length==11 || txt[4].value.length==8) && !isNaN(txt[4].value)){
label[4].style.color="#67BF7F";
label[4].innerHTML="格式正确";
}else{
label[4].style.color="#FF6666";
label[4].innerHTML="格式错误";
}
}else{
label[4].style.color="#FF6666";
label[4].innerHTML="邮件不能为空";
}
}
/*for(var i=0;i<txt.length;i++){
(function(n){
txt[n].onblur=function(){
var a=n;
console.log(a);
find(a)
}
})(i);
}
*/
}
</script>
</body>