jquery实现用户信息修改验证输入方法汇总

本文实例讲述了jquery实现用户信息修改验证输入方法。分享给大家供大家参考。具体如下：

var realnameFlag = 0;
var addressFlag = 0;
var zipFlag=0;
var cellphoneFlag=0;
var homephoneFlag=0;
var oldpasswordFlag=1;
var newpasswordFlag=1;
//判断email
function check_email()
{
  $("#showSpan").hide();
  var email = $.trim($("#email").val());
  if (email == null || email == "")
  {
    emailFlag = 1;
    $("#emailMsg").html("<span class='tips'>请输入邮箱信息</span>");
    return;
  }
  // 判断输入框内是否为邮箱格式
  if (email.replace(/[^x00-xff]/g, "**").length <= 4 || email.replace(/[^x00-xff]/g, "**").length >= 50)
  {
    $("#emailMsg").html("<span class='tips'>邮箱长度不正确</span>");
    emailFlag = 1;
    return ;
  }
  var reg = /^[w-]+(.[w-]+)*@[w-]+(.[w-]+)+$/;
  if (reg.test(email)) {
    $("#emailMsg").html("");
    emailFlag = 0;
    return ;
  } else {
    $("#emailMsg").html("<span class='tips'>邮箱格式不正确</span>");
    emailFlag = 1;
    return ;
  }
}
function check_realname()
{
  $("#showSpan").hide();
  var realname = $.trim($("#realname").val());
  // 判断是否为空
  if (realname == null || realname == "")
  {
    $("#realnameMsg").html("<span class='tips'>请输入真实姓名，20个英文或10个汉字</span>");
    realnameFlag = 1;
  } else if (realname.indexOf("··") != -1)
  {
    $("#realnameMsg").html("<span class='tips'>请输入真实姓名，20个英文或10个汉字</span>");
    realnameFlag = 1;
    // 姓名前后不能加·
  } else if (realname.substring(0, 1) == "·" || realname.substring(realname.length - 1) == "·")
  {
    realnameFlag = 1;
    $("#realnameMsg").html("<span class='tips'>请输入真实姓名，20个英文或10个汉字</span>");
  } else
  {
    var reg = new RegExp("^([a-zA-Z]|[u4E00-u9FFF])+$", "g");
    if (!reg.test(realname))
    {
      $("#realnameMsg").html("<span class='tips'>请输入真实姓名，20个英文或10个汉字</span>");
      realnameFlag = 1;
    } else
    if (realname.replace(/[^x00-xff]/g, "**").length >= 4  && realname.replace(/[^x00-xff]/g, "**").length <= 20)
    {
      realnameFlag = 0;
      $("#realnameMsg").html("");
    } else {
      realnameFlag = 1;
      $("#realnameMsg").html("<span class='tips'>请输入真实姓名，20个英文或10个汉字</span>");
    }
  }
}
function check_cellphone()
{
  $("#showSpan").hide();
  var cellphone = $.trim($("#cellphone").val());
  while (true) {
    var start = cellphone.substring(0, 1);								 
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