Javascript 空间函数

Question

我有一个 JS 代码，其功能是验证表单，现在我想做的是添加 1 个功能来防止文本框用户名中出现空格，并带有消息“不允许有空格”。到目前为止，这是我的 JS 代码:

$().ready(function()
    {
        $("#signupForm").validate(
        {
            rules:
            {
                full_name: "required",
                username: {
                    required: true,
                    minlength: 2
                },
                password: {
                    required: true,
                    minlength: 5
                },
                email: {
                    required: true,
                    email: true
                },
            },
            messages:
            {
                full_name: "Please enter your full name",
                username:
                {
                    required: "Please enter a username",
                    minlength: "Your username must consist of at least 2 characters"
                },

                password:
                {
                    required: "Please provide a password",
                    minlength: "Your password must be at least 5 characters long"
                },

                email: "Please enter a valid email address"
            }
        });
    });

谁能给我点主意？谢谢。

Answer 1

试试这个

---

添加一个名为 noSpace

的方法

jQuery.validator.addMethod("noSpace", function(value, element) {
    return !value.match(/\s/g);
}, "Spaces are not allowed");

将其设置为用户名的规则

rules: {
    // ...
    username: {
        // ...
        noSpace: true,
        // ...
    },
    // ...

设置自定义消息，如果你想覆盖默认消息

messages: {
    // ...
    username: {
        // ...
        noSpace: "Username should not contain spaces",
        // ...
    },