用户注册表单验证,包含名称唯一性校验

form_valid.js

createAccountFormValid.validate({
        errorElement:"span",
        rules:{
            username:{
                required:true,
                digits:true,
                minlength:5,
                maxlength:20,
                remote:{
                    url:"/account/exists/",
                    type:"post",
                    data:{
                        username:function () {
                            return $("#username").val();
                        }
                    }
                }
            },
            password:{
                required:true,
                minlength:3
            },
            password_confirm:{
                required:true,
                minlength:3,
                equalTo:"#password"
            }
        },
        messages:{
            username:{
                required:"请输入账号名",
                digits:"账号名只能由数字组成",
                minlength:jQuery.format("长度不能小于 {0} 个字符"),
                maxlength:jQuery.format("长度不能大于 {0} 个字符"),
                remote:jQuery.format("账号名称已经存在,请更换")
            },
            password:{
                required:"请输入密码",
                minlength:jQuery.format("长度不小于 {0} 个字符")
            },
            password_confirm:{
                required:"请输入确认密码",
                equalTo:"两次输入的密码不一致",
                minlength:jQuery.format("长度不小于 {0} 个字符")
            }
        }
    });