PHP项目开发
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val = $(‘#captcha‘).val(); //获取div内容
switch($action) {
	  case ‘detail‘:
    echo ‘111’;
    break;
	  case ‘agreement‘:
	    break;
	  case ‘success‘:
    break;
	  default:
	    break;
}
---------------------------------------------
function Dregister() {
	var val,len;
	val = $(‘#username‘).val();
	len = val.length;
	if(len < 5 || len > 16) {
		Dtoast(‘会员名长度限制为5-16‘);
		return false;
	}
	if(val.indexOf(‘__‘) != -1 || val.indexOf(‘--‘) != -1) {
		Dtoast(‘会员名中划线和下划线不能连续出现‘);
		return false;
	}
	if(!val.match(/^[a-z0-9]{1}[a-z0-9_\-]{0,}[a-z0-9]{1}$/)) {
		Dtoast(‘会员名限制为小写字母、数字组合‘);
		return false;
	}
	val = $(‘#password‘).val();
	len = val.length;
	if(len < {$MOD[minpassword]} || len > {$MOD[maxpassword]}) {
		Dtoast(‘密码长度限制为{$MOD[minpassword]}-{$MOD[maxpassword]}‘);
		return false;
	}
	val = $(‘#email‘).val();
	len = val.length;
	if(len < 7 || !val.match(/^[\w\-\.]+@[\w\-\.]+(\.\w+)+$/)) {
		Dtoast(‘请填写正确的电子邮箱‘);
		return false;
	}
	{if $itemid > 5}
	val = $(‘#company‘).val();
	len = val.length;
	if(len < 4) {
		Dtoast(‘请填写公司全称‘);
		return false;
	}
	{/if}
	val = $(‘#truename‘).val();
	len = val.length;
	if(len < 2) {
		Dtoast(‘请填写真实姓名‘);
		return false;
	}
	{if $verify_type==‘mobile‘}
	val = $(‘#mobile‘).val();
	if(!val.match(/^1[3|4|5|7|8]{1}[0-9]{9}$/)) {
		Dtoast(‘请填写正确的手机号码‘);
		return false;
	}
	{/if}
	{if $MOD[captcha_register]}
	val = $(‘#captcha‘).val();
	if(!is_captcha(val)) {
		Dtoast(‘请填写验证码‘);
		return false;
	}
	{/if}
	$.post(‘register.php‘, $(‘#dform‘).serialize(), function(data) {
		if(data == ‘ok‘) {
			Go(‘register.php?action=success‘);
		} else if(data == ‘group‘) {
			Dtoast(‘请选择会员组‘);
			setTimeout(function() {
				Go(‘register.php?reload={$DT_TIME}‘);
			}, 1000);
		} else if(data == ‘passport‘) {
			Dtoast(‘会员名已经被注册‘);
			$(‘#username‘).val(‘‘);
		} else if(data == ‘captcha‘) {
			Dtoast(‘验证码错误‘);
			reloadcaptcha();
		} else {
			data = data.replace(‘昵称‘, ‘会员‘);
			//alert(data);
			Dtoast(data);
		}
	});
	return;
}
===========================
原文:http://www.cnblogs.com/vip-deng-vip/p/7994221.html