jqueryForm validationThe plug-in is very suitable for us to use in our own projects. Those who are interested in jquery can also study it and learnjquery.
Implementation demonstration:
Code demonstration:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>PHP中文网--注册页面</title>
<style>
* {
padding: 0;
margin: 0;
}
form {
width: 570px;
height: 300px;
margin: 100px auto;
}
label {
width: 64px;
float: left;
clear: left;
height: 36px;
line-height: 36px;
margin-top: 10px;
}
input {
width: 300px;
height: 36px;
line-height: 36px;
margin-top: 10px;
text-indent: 8px;
font-size: 16px;
font-family: "微软雅黑";
border: 1px solid #ccc;
float: left;
}
#sub {
width: 302px;
height: 40px;
border: 1px solid #ccc;
background: #888;
color: #fff;
font-size: 18px;
text-indent: 0;
}
.spa {
height: 36px;
line-height: 36px;
width: 204px;
display: inline-block;
float: left;
font-size: 12px;
color: #BD362F;
text-indent: 10px;
margin-top: 10px;
}
</style>
</head>
<body>
<form action="" method="post">
<label id="name">姓 名：</label><input type="text" name="username" id="username" value="" placeholder="请输入姓名" /><span class="spa spa1"></span><br />
<label id="phone">手机号：</label><input type="text" name="userphone" id="userphone" value="" placeholder="请输入手机号" /><span class="spa spa2"></span><br />
<label id="address">地 址：</label><input type="text" name="useraddress" id="useraddress" value="" placeholder="请输入地址" /><span class="spa spa3"></span><br />
<label> </label><input type="submit" value="注册" id="sub" />
</form>
<script src="http://code.jquery.com/jquery-1.4.1.js"></script>
<script type="text/javascript">
window.onload = function() {
$("#username").focus()
}
/************************ 失焦判断 **********************************/
$("input").blur(function() {
$(".spa").css("color", "#BD362F")
if($(this).is("#username")) { //姓名判断
var na = /^[\u4E00-\u9FA5]{2,4}$/
if($("#username").val() != "") {
if(!(na.test($("#username").val()))) {
$(".spa1").text("请输入2-4个汉字");
$(this).css("border", "1px solid #BD362F")
return false;
} else if(na) {
$(".spa1").text("");
return true;
}
} else {
$(".spa1").text("");
}
}
if($(this).is("#userphone")) { //手机号判断
var ph = /^1[3|5|7|8|][0-9]{9}$/
if($("#userphone").val() != "") {
if(!(ph.test($("#userphone").val()))) {
$(".spa2").text("请输入正确手机号");
$(this).css("border", "1px solid #BD362F")
return false;
} else if(ph) {
$(".spa2").text("");
return true;
}
} else {
$(".spa2").text("");
}
}
if($(this).is("#useraddress")) { //地址判断
var ad = /^(?=.*?[\u4E00-\u9FA5])[\dA-Za-z\u4E00-\u9FA5]{8,32}/;
if($("#useraddress").val() != "") {
if(!(ad.test($("#useraddress").val()))) {
$(".spa3").text("请输入正确地址");
$(this).css("border", "1px solid #BD362F")
return false;
} else if(ad) {
$(".spa3").text("");
return true;
}
} else {
$(".spa3").text("");
}
}
})
/********************** 聚焦提示 ************************/
$("input").focus(function() {
if($(this).is("#username")) {
$(".spa1").text("四个汉字").css("color", "#aaa")
$(this).css("border", "1px solid #aaa")
}
if($(this).is("#userphone")) {
$(".spa2").text("11位手机号码").css("color", "#aaa")
$(this).css("border", "1px solid #aaa")
}
if($(this).is("#useraddress")) {
$(".spa3").text("最少8个字符（汉字、字母和数字）").css("color", "#aaa")
$(this).css("border", "1px solid #aaa")
}
})
/*********************** 提交验证 ***************************/
$("#sub").click(function() {
var na = /^[\u4E00-\u9FA5]{2,4}$/; //姓名正则
var ph = /^1[3|5|7|8|][0-9]{9}$/; //手机号正则
var ad = /^(?=.*?[\u4E00-\u9FA5])[\dA-Za-z\u4E00-\u9FA5]{8,32}/; //地址正则
if(na.test($("#username").val()) && ph.test($("#userphone").val()) && ad.test($("#useraddress").val())) {
return true;
} else {
if($("#username").val() == "") {
$(".spa1").text('请你填写用户名')
}
if($("#userphone").val() == "") {
$(".spa2").text('请你填写手机号')
}
if($("#useraddress").val() == "") {
$(".spa3").text('请你填写地址')
}
return false;
}
})
</script>
</body>
</html>The above is the jquery form Verify the source code of the plug-in. If you are interested, you can go to PHP中文网 to search for more relevant knowledge!
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