登录验证

<script>
    var name,phone,email,address;
    function getVal() {
        name=$(".input1").val();
        phone=$(".input2").val();
        email=$(".input3").val();
        address=$(".input4").val();
    }
    function checkName() {
        getVal();
        if(!(/^([\u4e00-\u9fa5]){2,4}$/.test(name))){
            $("#input1").html('姓名必须为汉字');
            return false;
        }else{
            $("#input1").html('');
        }
    }
    function checkPhone() {
        getVal();
        if(!(/^1[34578]\d{9}$/.test(phone))){
            $("#input2").html('手机号码不正确');
            return false;
        }else{
            $("#input2").html('');
        }
    }
    function checkEmail() {
        getVal();
        if(!(/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/.test(email))){
            $("#input3").html('邮箱不正确');
            return false;
        }else{
            $("#input3").html('');
        }
    }
    function checkAddress() {
        getVal();
        if(address==""){
            $("#input4").html('地址不能为空');
            return false;
        }else{
            $("#input4").html('');
        }
    }
    $(".submit").click(function () {
        if(checkName()==false||checkPhone()==false||checkEmail()==false||checkAddress()==false){

        }else {
           getVal();
            var formhash=$("input[name='formhash']").val();
            var form_submit=$("input[name='form_submit']").val();

            $.ajax({
                url:'index.php?act=index&op=mobile_agent_join_in',
                type:'POST',
                data:{
                    "form_submit":form_submit,
                    "user_name":name,
                    "mobile":phone,
                    "email":email,
                    "company":address,
                    "formhash":formhash
                },
                success:function(data){
                    var resData=JSON.parse(data);
                    if (resData.state == 1){
                        alert(resData.msg);
                    }else {
                        alert(resData.msg);
                    }
                }
            });
        }

    });
</script>