☕ JSON 转 Java 实体类JSON to Java POJO

使用说明与常见问题How-to & FAQ

「JSON 转 Java 实体类」是什么？What is the JSON to Java POJO tool?

根据 JSON 自动生成 Java 实体类（POJO），可选同时生成 getter/setter 方法。Generate Java POJO classes from JSON, optionally with getters and setters.

如何使用「JSON 转 Java 实体类」？How do I use the JSON to Java POJO tool?

在「JSON 转 Java 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 Java POJO: Paste or type into the input box, adjust "Root class"; the result appears below instantly — click "Copy result" to copy it.

会处理嵌套对象吗？Does it handle nested objects?

会。嵌套对象会生成独立的类，数组会使用 List 并对元素类型取并集。Yes. Nested objects become separate classes and arrays use List, merging keys across elements.

代码或数据会被上传吗？Is my code or data uploaded?

不会。「JSON 转 Java 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 Java POJO runs entirely in local JavaScript, so it is safe for data containing keys or internal endpoints.

「JSON 转 Java 实体类」免费吗？需要注册吗？Is the JSON to Java POJO free? Do I need an account?

「JSON 转 Java 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 Java POJO is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.