首次提交：初始化项目代码

2026-07-31 15:18:32 +08:00
commit d6393266b0
193 changed files with 14287 additions and 0 deletions
@@ -0,0 +1,62 @@
+package main
+
+import (
+	"encoding/json"
+	fmt "fmt"
+)
+
+// BaseModel 公共基础模型
+type BaseModel struct {
+	ID        int64  `json:"id,string,omitempty"`
+	CreatedAt string `json:"created_at,omitempty"`
+}
+
+// Order 订单模型（全标签演示）
+type Order struct {
+	BaseModel `json:",inline"`
+	OrderNo   string `json:"order_no"`
+	Status    int    `json:"status,omitempty"`
+	Phone     int64  `json:"phone,string,omitempty"`
+	Password  string `json:"-"`
+	Extra     struct {
+		Level int `json:"level"`
+	} `json:",nosquash"`
+	Ignore string `json:",allowunknown"`
+}
+
+func main() {
+	order := Order{
+		BaseModel: BaseModel{ID: 202606001, CreatedAt: "2026-06-02"},
+		OrderNo:   "BULMA-ORDER-001",
+		Password:  "secret_123",
+	}
+	data, _ := json.MarshalIndent(order, "", "  ")
+	fmt.Println("\n=== 高级标签运行结果 ===")
+	fmt.Println(string(data))
+
+	// 演示 allowunknown 的反序列化功能
+	fmt.Println("\n=== 反序列化测试（含未知字段）===")
+	jsonWithUnknown := `{
+		"id": "202606002",
+		"created_at": "2026-06-02",
+		"order_no": "BULMA-ORDER-002",
+		"unknown_field": "test",
+		"extra_field": 123
+	}`
+	var newOrder Order
+	err := json.Unmarshal([]byte(jsonWithUnknown), &newOrder)
+	if err != nil {
+		fmt.Printf("反序列化失败：%v\n", err)
+	} else {
+		fmt.Printf("成功解析：%+v\n", newOrder)
+	}
+
+	// 演示 omitempty 的效果
+	fmt.Println("\n=== omitempty 效果对比 ===")
+	emptyOrder := Order{
+		BaseModel: BaseModel{ID: 0}, // ID 为 0，会被 omit
+		OrderNo:   "BULMA-ORDER-003",
+	}
+	data2, _ := json.MarshalIndent(emptyOrder, "", "  ")
+	fmt.Println(string(data2))
+}