86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package main
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import (
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"fmt"
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"path/filepath"
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"runtime"
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"gorm.io/driver/mysql"
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"gorm.io/gen"
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"gorm.io/gen/field"
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"gorm.io/gorm"
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)
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func main() {
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// 连接数据库
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dsn := "root:Xu950329.@tcp(localhost:3306)/spa?charset=utf8mb4&parseTime=True&loc=Local"
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db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
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if err != nil {
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panic(fmt.Errorf("connect db fail: %w", err))
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}
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// 获取项目根目录
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_, filename, _, _ := runtime.Caller(0)
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projectRoot := filepath.Dir(filepath.Dir(filepath.Dir(filename)))
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// 创建gen实例
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g := gen.NewGenerator(gen.Config{
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OutPath: filepath.Join(projectRoot, "internal/data/query"),
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ModelPkgPath: filepath.Join(projectRoot, "internal/data/model"),
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Mode: gen.WithDefaultQuery | gen.WithQueryInterface,
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FieldNullable: false, // 非NULL字段生成为值类型
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FieldCoverable: false,
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FieldSignable: false,
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FieldWithIndexTag: true,
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FieldWithTypeTag: true,
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})
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g.UseDB(db)
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// 字段名映射，避免与方法名冲突
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fieldOpts := []gen.ModelOpt{
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gen.FieldRename("table_name", "TblName"),
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gen.FieldRename("table", "TblName"),
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}
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// SysUser 关联配置
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sysUserOpts := append(fieldOpts,
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// Authority: belongs to SysAuthority
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gen.FieldRelate(field.HasOne, "Authority", g.GenerateModel("sys_authorities"),
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&field.RelateConfig{
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GORMTag: field.GormTag{
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"foreignKey": []string{"AuthorityID"},
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"references": []string{"AuthorityID"},
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},
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}),
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// Authorities: many2many through sys_user_authority
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gen.FieldRelate(field.Many2Many, "Authorities", g.GenerateModel("sys_authorities"),
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&field.RelateConfig{
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GORMTag: field.GormTag{
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"many2many": []string{"sys_user_authority"},
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"joinForeignKey": []string{"SysUserID"},
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"joinReferences": []string{"SysAuthorityAuthorityID"},
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},
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}),
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)
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// 生成带关联的SysUser
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sysUser := g.GenerateModel("sys_users", sysUserOpts...)
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// 生成其他表（不含sys_users）
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tables, _ := db.Migrator().GetTables()
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var models []interface{}
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for _, table := range tables {
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if table == "sys_users" {
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continue
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}
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models = append(models, g.GenerateModel(table, fieldOpts...))
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}
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g.ApplyBasic(sysUser)
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g.ApplyBasic(models...)
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// 执行生成
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g.Execute()
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}
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