💠 JSON 转 C# 实体类JSON to C# Class
根据 JSON 自动生成 C# 实体类（属性含 get/set），可选 System.Text.Json 特性标注。Generate C# model classes (with get/set properties) from JSON, optionally with System.Text.Json attributes.
使用说明与常见问题How-to & FAQ
「JSON 转 C# 实体类」是什么？What is the JSON to C# Class tool?
根据 JSON 自动生成 C# 实体类（属性含 get/set），可选 System.Text.Json 特性标注。Generate C# model classes (with get/set properties) from JSON, optionally with System.Text.Json attributes.
如何使用「JSON 转 C# 实体类」？How do I use the JSON to C# Class tool?
在「JSON 转 C# 实体类」中，把内容粘贴或输入到上方输入框，按需设置「类名」，结果会实时显示在下方，点击「复制结果」即可复制。In the JSON to C# Class: Paste or type into the input box, adjust "Root class"; the result appears below instantly — click "Copy result" to copy it.
数字类型怎么推断？How are number types inferred?
整数在 int 范围内用 int，超出用 long，含小数用 double；null 用 object。可按需在生成代码中手动调整。Integers within int range use int, larger use long, decimals use double, and null uses object. Adjust in the generated code as needed.
代码或数据会被上传吗？Is my code or data uploaded?
不会。「JSON 转 C# 实体类」完全用 JavaScript 在本地运行，适合处理含有密钥、内部接口等敏感内容的数据。No. The JSON to C# Class runs entirely in local JavaScript, so it is safe for data containing keys or internal endpoints.
「JSON 转 C# 实体类」免费吗？需要注册吗？Is the JSON to C# Class free? Do I need an account?
「JSON 转 C# 实体类」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The JSON to C# Class is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.