99 lines
2.7 KiB
Go
99 lines
2.7 KiB
Go
package main
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import (
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"fmt"
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"log"
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"code.tczkiot.com/wlw/srdb"
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)
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// 演示各种驼峰命名自动转换为 snake_case
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type DemoStruct struct {
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// 基本转换
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UserName string `srdb:";comment:用户名"` // -> user_name
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EmailAddress string `srdb:";comment:邮箱地址"` // -> email_address
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PhoneNumber string `srdb:";comment:手机号"` // -> phone_number
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// 连续大写字母
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HTTPEndpoint string `srdb:";comment:HTTP 端点"` // -> http_endpoint
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URLPath string `srdb:";comment:URL 路径"` // -> url_path
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XMLParser string `srdb:";comment:XML 解析器"` // -> xml_parser
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// 短命名
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ID int64 `srdb:";comment:ID"` // -> id
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// 布尔值
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IsActive bool `srdb:";comment:是否激活"` // -> is_active
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IsDeleted bool `srdb:";comment:是否删除"` // -> is_deleted
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// 数字混合
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Address1 string `srdb:";comment:地址1"` // -> address1
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User2Name string `srdb:";comment:用户2名称"` // -> user2_name
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}
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func main() {
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fmt.Println("=== snake_case 自动转换演示 ===")
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// 生成 Field 列表
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fields, err := srdb.StructToFields(DemoStruct{})
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if err != nil {
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log.Fatal(err)
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}
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// 打印转换结果
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fmt.Println("\n字段名转换（驼峰命名 -> snake_case）：")
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fmt.Printf("%-20s -> %-20s %s\n", "Go 字段名", "数据库字段名", "注释")
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fmt.Println(string(make([]byte, 70)) + "\n" + string(make([]byte, 70)))
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type fieldInfo struct {
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goName string
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dbName string
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comment string
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}
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fieldMapping := []fieldInfo{
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{"UserName", "user_name", "用户名"},
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{"EmailAddress", "email_address", "邮箱地址"},
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{"PhoneNumber", "phone_number", "手机号"},
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{"HTTPEndpoint", "http_endpoint", "HTTP 端点"},
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{"URLPath", "url_path", "URL 路径"},
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{"XMLParser", "xml_parser", "XML 解析器"},
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{"ID", "id", "ID"},
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{"IsActive", "is_active", "是否激活"},
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{"IsDeleted", "is_deleted", "是否删除"},
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{"Address1", "address1", "地址1"},
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{"User2Name", "user2_name", "用户2名称"},
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}
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for i, field := range fields {
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if i < len(fieldMapping) {
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fmt.Printf("%-20s -> %-20s %s\n",
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fieldMapping[i].goName,
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field.Name,
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field.Comment)
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}
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}
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// 验证转换
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fmt.Println("\n=== 转换验证 ===")
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allCorrect := true
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for i, field := range fields {
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if i < len(fieldMapping) {
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expected := fieldMapping[i].dbName
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if field.Name != expected {
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fmt.Printf("❌ %s: 期望 %s, 实际 %s\n",
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fieldMapping[i].goName, expected, field.Name)
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allCorrect = false
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}
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}
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}
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if allCorrect {
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fmt.Println("✅ 所有字段名转换正确！")
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}
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// 创建 Schema
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schema := srdb.NewSchema("demo", fields)
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fmt.Printf("\n✅ 成功创建 Schema，包含 %d 个字段\n", len(schema.Fields))
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}
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