表单的验证

来源：互联网发布：电力系统scada 数据编辑：程序博客网时间：2024/06/06 06:37

 HTML Code 

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

  <title>Insert title here</title>
</head>

<body>
  <form action="#" method="get" onsubmit="return tiJiao()">
    <table align="center">
      <caption>
        欢迎注册
      </caption>

      <tr>
        <td>用户名：</td>

        <td><input type="text" name="userName" id="userName" value="请输入用户名" onblur="blurName(this);" onfocus="focusName(this);" /><span id="sapn_name"></span></td>
      </tr>

      <tr>
        <td>密码：</td>

        <td><input type="password" name="pwd" id="pwd" onblur="blurPwd(this);" onkeypress="return onkeypressPwd(this,event);" /><span id="sapn_pwd"></span></td>
      </tr>

      <tr>
        <td>重复密码：</td>

        <td><input type="password" name="repwd" onblur="blurRePwd(this);" onkeypress="return onkeypressRePwd(this,event);" /><span id="sapn_repwd"></span></td>

        <td></td>
      </tr>

      <tr>
        <td>手机号码：</td>

        <td><input type="text" name="tel" id="tel" onblur="blurTel(this);" onkeyup="return onkeyupTel(this,event);" /><span id="sapn_tel"></span></td>

        <td></td>
      </tr>

      <tr>
        <td>邮箱：</td>

        <td><input type="text" name="email" id="email" onblur="blurEmail(this);" onkeypress="return onkeypressEmail(this,event);" /><span id="sapn_email"></span></td>

        <td></td>
      </tr>

      <tr>
        

        <td colspan="2" align="center"><input type="submit" value="注册" /> <input type="reset" value="重置" onclick="clearAll();" /></td>
      </tr>
    </table>
  </form><script type="text/javascript">
//<![CDATA[
        var sapn_name_ele = document.getElementById("sapn_name");
        var sapn_pwd_ele = document.getElementById("sapn_pwd");
        var sapn_repwd_ele = document.getElementById("sapn_repwd")
        var sapn_tel_ele = document.getElementById("sapn_tel");
        var sapn_email_ele = document.getElementById("sapn_email");
        //判断每一个是不是校验成功
        var name_flag = false;
        var pwd_flag = false;
        var rePwd_flag = false;
        var tel_flag = false;
        var eamil_flag = false;
        //规则
                var reg_name = /^\w{6,8}$/;
                //用户密码规则8位数字
                var reg_pwd = /^[0-9]{8}$/;
                //手机号码规则11位，1开头
                var reg_tel=/^1[0-9]{10}$/;
                //邮箱规则1235@qq.com
                var reg_email =/^\w{2,20}@\w{1,8}(.\w{2,5}){1,3}$/;


                //校验用户名
                function focusName(obj)
                {
                        var nowValue = obj.value;
                        if(obj.value=="请输入用户名")
                        {
                                obj.value="";
                        }
                }
                function blurName(obj)
                {
                        //alert(event.value);
                        if(obj.value=="")
                        {
                                //sapn_name_ele.innerHTML = ""
                                obj.value="请输入用户名";
                                //当出现上一次有提示之后删除用户名时
                                sapn_name_ele.innerHTML="";
                        }else{
                                var b = reg_name.test(obj.value);
                                //alert(b);
                                if(b)//如果判断正确，即用户名合适
                                {
                                        sapn_name_ele.innerHTML="<font size='2px' color='blue'>"+"用户名正确"+"<\/font>";
                                        name_flag=true;
                                }else
                                {
                                        sapn_name_ele.innerHTML="<font size='2px' color='red'>"+"用户名不正确"+"<\/font>";
                                }
                        }
                }
                //校验密码，密码为8位数字

                function blurPwd(obj)
                {
                        var b =reg_pwd.test(obj.value);
                        if(b)
                        {
                                //说明用户密码设置成功
                                sapn_pwd_ele.innerHTML="<font size='2px' color='blue'>"+"密码设置正确"+"<\/font>";
                                pwd_flag = true;
                        }else
                        {
                                sapn_pwd_ele.innerHTML="<font size='2px' color='red'>"+"密码设置不正确"+"<\/font>";
                        }
                        if(obj.value=="")
                        {
                                sapn_pwd_ele.innerHTML="";
                        }

                }
                function onkeypressPwd(obj,event)
                {

                        //alert(b);
                        //alert(event.keyCode);
                        var key = event.keyCode;
                        //如果键盘输入的是数字
                        //alert(key);
                        if(key<=57 && key>=48)
                        {
                                return true;
                        }else
                        {
                                return false;
                        }
                }
                //校验重复密码
                function blurRePwd(obj)
                {
                //alert("a");
                        var b =reg_pwd.test(obj.value);
                        var pwd = document.getElementById("pwd");
                        //alert(pwd.value);
                        if(b)
                        {
                                //说明用户密码设置成功
                                if(obj.value==pwd.value)
                                {
                                sapn_repwd_ele.innerHTML="<font size='2px' color='blue'>"+"密码设置正确"+"<\/font>";
                                rePwd_flag = true;
                                }else
                                {
                                        sapn_repwd_ele.innerHTML="<font size='2px' color='red'>"+"密码设置不正确"+"<\/font>";
                                }
                        }else
                        {
                                sapn_repwd_ele.innerHTML="<font size='2px' color='red'>"+"密码设置不正确"+"<\/font>";
                        }
                        if(obj.value=="")
                        {
                                sapn_repwd_ele.innerHTML="";
                        }

                }
                function onkeypressRePwd(obj,event)
                {

                        //alert(b);
                        //alert(event.keyCode);
                        var key = event.keyCode;
                        //如果键盘输入的是数字
                        //alert(key);
                        if(key<=57 && key>=48)
                        {
                                return true;
                        }else
                        {
                                return false;
                        }
                }
                //校验电话号码
                function blurTel(obj)
                {
                        //规则
                        var b =reg_tel.test(obj.value);
                        //alert(b);
                        if(b)
                        {
                                //说明用户密码设置成功
                                sapn_tel_ele.innerHTML="<font size='2px' color='blue'>"+"号码设置正确"+"<\/font>";
                                tel_flag = true;
                        }else
                        {
                                sapn_tel_ele.innerHTML="<font size='2px' color='red'>"+"号码设置不正确"+"<\/font>";
                        }
                        if(obj.value=="")
                        {
                                sapn_tel_ele.innerHTML="";
                        }

                }
                function onkeyupTel(obj,event)
                {

                        //alert(b);
                        //alert(event.keyCode);
                        /* var key = event.keyCode;
                        //如果键盘输入的是数字
                        //alert(key);
                        if(key<=57 && key>=48)
                        {
                                return true;
                        }else
                        {
                                return false;
                        } */
                        if(!(event.keyCode<=57 && event.keyCode>=48))
                {
                        obj.value = obj.value.substring(0,obj.value.length-1);
                }

                }
                //校验邮箱
                function blurEmail(obj)
                {
                        //规则
                        var b =reg_email.test(obj.value);
                        //alert(b);
                        if(b)
                        {
                                //说明用户密码设置成功
                                sapn_email_ele.innerHTML="<font size='2px' color='blue'>"+"邮箱设置正确"+"<\/font>";
                                eamil_flag = true;
                        }else
                        {
                                sapn_email_ele.innerHTML="<font size='2px' color='red'>"+"邮箱设置不正确"+"<\/font>";
                        }
                        if(obj.value=="")
                        {
                                sapn_email_ele.innerHTML="";
                        }

                }
                function tiJiao()
                {
                /* var name_flag = false;
                var pwd_flag = false;
                var rePwd_flag = false;
                var tel_flag = false;
                var eamil_flag = false; */
                        return name_flag && pwd_flag && rePwd_flag && tel_flag && eamil_flag;
                }
                /* file:///D:/Workspaces/webSpace/day3_Test/src/cn/deno/checkForm.html?
                userName=fei11111&pwd=11111111&repwd=11111111&tel=11111111111&email=111%40qq.com# */
                function clearAll()
                {
                        sapn_name_ele.innerHTML="";
                        sapn_pwd_ele.innerHTML="";
                        sapn_repwd_ele.innerHTML="";
                        sapn_tel_ele.innerHTML="";
                        sapn_email_ele.innerHTML="";
                }
  //]]>
  </script>
</body>
</html>

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