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Locate a 422 Field by Field

Locate a 422 Field by Field — Chinese original prompt

接口返回 422,提示 [错误信息],但前端看起来字段都传了。请给出排查顺序:先对比实际请求体与接口文档、再看字段名与类型、嵌套结构、必填与空字符串的区别、编码与数组格式,最后说明如何用最小请求体二分定位到具体字段。
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Chinese original

How to use

打印真正发出去的请求体,别相信代码里写的样子。

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