@RequestBody 报 415 错误
(1)首先确保 post 请求响应体和请求体的 Content-Type 都为 "application/json;charset=UTF-8":
axios({
url: "user/find",
method: "POST",
data: {"id":10, "username":"tom"},
headers: {
'Content-Type': 'application/json;charset=UTF-8'
}
})
.then(res => {
alert(res.data);
});
(2)确定导入了 Jackson 包,@RequestBody 需要依赖 Jackson 包才能解析 JSON 数据

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