Formance.js.zip
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**Formance.js插件详解** Formance.js是一个专为HTML表单设计的jQuery插件,它的主要功能是对表单中的文本输入框的输入值进行格式化和验证,从而提升用户体验并确保数据的准确性和一致性。这个插件尤其适用于需要用户输入特定格式数据的场景,例如电话号码、信用卡号或者日期等。 ### 1. 插件安装与引入 在项目中使用Formance.js,首先需要将jQuery库引入到页面中,因为Formance.js是基于jQuery构建的。接着,你可以通过以下方式下载或引入Formance.js文件: ```html <!-- 引入jQuery --> <script src="https://code.jquery.com/jquery-3.x.min.js"></script> <!-- 引入Formance.js --> <script src="path/to/jquery.formance.js"></script> ``` ### 2. 初始化与配置 初始化Formance.js插件,需要选择要应用的表单元素,并调用`.formance()`方法。你可以根据需求设置不同的配置选项,比如指定输入格式或验证规则: ```javascript $(document).ready(function() { $('#yourInputField').formance({ format: 'us-phone', // 例如,使用美国电话号码格式 validate: true, // 启用验证 errorClass: 'error' // 错误时添加的CSS类名 }); }); ``` ### 3. 内置格式化器 Formance.js内建了多种格式化器,包括但不限于: - `us-phone`:用于格式化美国电话号码,如`(123) 456-7890` - `date`:处理日期输入,如`YYYY-MM-DD` - `credit-card`:信用卡号格式化,如`XXXX-XXXX-XXXX-XXXX` - `currency`:货币格式,如`$1,234.56` 你可以通过设置`format`选项来选择适用的格式化器。 ### 4. 自定义格式化器 除了内置的格式化器,Formance.js还允许你创建自定义的格式化规则。通过提供一个函数作为`format`选项,你可以实现自己的输入值处理逻辑: ```javascript $('#yourInputField').formance({ format: function(value) { // 自定义格式化代码 return value.toUpperCase(); // 将输入转换为大写 } }); ``` ### 5. 验证功能 Formance.js不仅提供了格式化功能,还支持验证输入。默认情况下,`validate`选项为`true`,插件会检查输入是否符合格式要求。如果输入不符合规定,可以通过设置`errorClass`添加CSS类以显示错误状态。 你可以自定义验证规则,通过`validateFunction`选项指定一个函数,该函数返回`true`表示验证通过,返回`false`则表示验证失败: ```javascript $('#yourInputField').formance({ validate: true, validateFunction: function(value) { if (value.length >= 5) { return true; } else { return false; } } }); ``` ### 6. 错误提示 当输入验证失败时,Formance.js不会自动显示错误提示。你可以结合其他前端框架,如Bootstrap,使用`errorClass`来添加错误样式,并显示错误消息。 ### 7. 使用示例 在`jquery.formance-master`文件夹中,通常会包含源码、示例代码以及文档。通过查看这些资源,你可以更好地理解和使用Formance.js插件,了解如何结合实际项目需求进行定制。 Formance.js是一个强大的jQuery插件,它简化了表单输入的格式化和验证过程,为开发者提供了灵活的配置选项和丰富的内置功能,帮助提升Web应用的质量和用户体验。
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