我的模型具有以下數據：package maintype Subject struct { name string `json:name` section int `json:section`}var subjects = map[string][]Subject{ "1001": []Subject{ { name: "Phy", section: 1, }, { name: "Phy", section: 2, }, }, "1002": []Subject{ { name: "Chem", section: 1, }, { name: "Chem", section: 2, }, }, "1003": []Subject{ { name: "Math", section: 1, }, { name: "Math", section: 2, }, }, "1004": []Subject{ { name: "Bio", section: 1, }, { name: "Bio", section: 2, }, },}我正在創建路由，如下所示：route.GET("/subjects/:id", func(c *gin.Context) { id := c.Param("id") subjects := subjects[id] c.JSON(http.StatusOK, gin.H{ "StudentID": id, "Subject": subjects, }) })它試圖用postman將其稱為：localhost：8080/subjects/1001，但它只顯示{} {}而不是主體結構的對象數組。輸出： { “StudentID”： “1001”， “Subject”： [ {}， {} ] }
1 回答
qq_遁去的一_1
TA貢獻1725條經驗 獲得超8個贊
這是因為您使用小寫字段，因此不會被序列化。Subjectnamesection
將其更改為：
type Subject struct {
Name string `json:"name"`
Section int `json:"section"`
}
將顯示以下字段：
{
"StudentID": "1001",
"Subject": [
{"name":"Phy","section":1},
{"name":"Phy","section":2}
]
}
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