Java 返回 json 数据声明对象返回就会报错 406,返回字符串就正常，是怎么回事？ - V2EX

Java 返回 json 数据声明对象返回就会报错 406,返回字符串就正常，是怎么回事？ - V2EX

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这是一个创建于 638 天前的主题，其中的信息可能已经有所发展或是发生改变。

代码

 @PostMapping("/login") public String loginProcess(@RequestParam String username, @RequestParam String password){ // 处理登录逻辑，比如验证用户名和密码 // 假设登录成功后返回的 JSON 数据 Result result = new Result("密码错误！", 201, ""); System.out.println(result.toString()); return result.toString(); }

报错信息

406 Not Acceptable

2 条回复

1

yiyufxst

2024-02-29 09:42:35 +08:00

一般应该不是 jackson 引入被干掉了，大概率是请求头不太对
参考： https://juejin.cn/post/7030803210671489054

2

lk960511

2024-04-14 20:23:30 +08:00 via Android

需要实例化一个实体类，然后在弹出就行了。

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