【feat】 添加postgresql数据库支持，【修复】pg数据库的代码生成功能

apps/develop/entity/dev_gen_table.go

@@ -19,6 +19,7 @@ type DevGenTable struct {
 	Remark         string              `gorm:"remark"             json:"remark"`         // 备注
 	PkColumn       string              `gorm:"pk_column;"         json:"pkColumn"`
 	PkGoField      string              `gorm:"pk_go_field"        json:"pkGoField"`
+	PkGoType       string              `gorm:"pk_go_type"        json:"pkGoType"`
 	PkJsonField    string              `gorm:"pk_json_field"      json:"pkJsonField"`
 	Columns        []DevGenTableColumn `gorm:"-"                  json:"columns"` // 字段信息
 	model.BaseModel

apps/develop/gen/gen.go

@@ -194,20 +194,19 @@ func (s *toolsGenTableColumn) GenTableInit(tableName string) entity.DevGenTable
 	data.FunctionAuthor = "panda"
 
 	wg := sync.WaitGroup{}
-	dcs := *dbColumn
-	for x := 0; x < len(dcs); x++ {
+	for x := 0; x < len(dbColumn); x++ {
 		index := x
 		wg.Add(1)
 		go func(wg *sync.WaitGroup, y int) {
 			defer wg.Done()
 			var column entity.DevGenTableColumn
-			column.ColumnComment = dcs[y].ColumnComment
-			column.ColumnName = dcs[y].ColumnName
-			column.ColumnType = dcs[y].ColumnType
+			column.ColumnComment = dbColumn[y].ColumnComment
+			column.ColumnName = dbColumn[y].ColumnName
+			column.ColumnType = dbColumn[y].ColumnType
 			column.Sort = y + 1
 			column.IsPk = "0"
 
-			nameList := strings.Split(dcs[y].ColumnName, "_")
+			nameList := strings.Split(dbColumn[y].ColumnName, "_")
 			for i := 0; i < len(nameList); i++ {
 				strStart := string([]byte(nameList[i])[:1])
 				strend := string([]byte(nameList[i])[1:])
@@ -218,21 +217,13 @@ func (s *toolsGenTableColumn) GenTableInit(tableName string) entity.DevGenTable
 					column.JsonField += strings.ToUpper(strStart) + strend
 				}
 			}
-			if strings.Contains(dcs[y].ColumnKey, "PR") {
-				column.IsPk = "1"
-				data.PkColumn = dcs[y].ColumnName
-				data.PkGoField = column.GoField
-				data.PkJsonField = column.JsonField
-				if dcs[y].Extra == "auto_increment" {
-					column.IsIncrement = "1"
-				}
-			}
 
 			if column.ColumnComment == "" {
 				column.ColumnComment = column.GoField
 			}
 
-			dataType := s.GetDbType(column.ColumnType)
+			//dataType := s.GetDbType(column.ColumnType)
+			dataType := strings.ToLower(column.ColumnType)
 			if s.IsStringObject(dataType) {
 				//字段为字符串类型
 				column.GoType = "string"
@@ -249,7 +240,6 @@ func (s *toolsGenTableColumn) GenTableInit(tableName string) entity.DevGenTable
 			} else if s.IsNumberObject(dataType) {
 				//字段为数字类型
 				column.HtmlType = "input"
-				column.HtmlType = "input"
 				t := ""
 				if global.Conf.Server.DbType == "postgresql" {
 					t = column.ColumnType
@@ -282,6 +272,17 @@ func (s *toolsGenTableColumn) GenTableInit(tableName string) entity.DevGenTable
 					column.HtmlType = "switch"
 				}
 			}
+			// 是主键的时候
+			if strings.Contains(dbColumn[y].ColumnKey, "PR") {
+				column.IsPk = "1"
+				data.PkColumn = dbColumn[y].ColumnName
+				data.PkGoField = column.GoField
+				data.PkGoType = column.GoType
+				data.PkJsonField = column.JsonField
+				if dbColumn[y].Extra == "auto_increment" {
+					column.IsIncrement = "1"
+				}
+			}
 			//新增字段
 			if s.IsNotEdit(column.ColumnName) {
 				column.IsRequired = "0"
@@ -346,7 +347,7 @@ func Preview(tableId int64) map[string]any {
 	biz.ErrIsNil(err, "service模版读取失败")
 
 	t3, err := template.ParseFiles("resource/template/go/api.template")
-	biz.ErrIsNil(err, "api模版读取失败！")
+	biz.ErrIsNilAppendErr(err, "api模版读取失败！")
 
 	t4, err := template.ParseFiles("resource/template/go/router.template")
 	biz.ErrIsNil(err, "router模版读取失败")

apps/develop/services/gen_table_column.go

@@ -16,7 +16,7 @@ import (
 type (
 	SysGenTableColumnModel interface {
 		FindDbTablesColumnListPage(page, pageSize int, data entity.DBColumns) (*[]entity.DBColumns, int64)
-		FindDbTableColumnList(tableName string) *[]entity.DBColumns
+		FindDbTableColumnList(tableName string) []entity.DBColumns
 
 		Insert(data entity.DevGenTableColumn) *entity.DevGenTableColumn
 		FindList(data entity.DevGenTableColumn, exclude bool) *[]entity.DevGenTableColumn
@@ -58,8 +58,8 @@ func (m *devTableColumnModelImpl) FindDbTablesColumnListPage(page, pageSize int,
 	return &list, total
 }
 
-func (m *devTableColumnModelImpl) FindDbTableColumnList(tableName string) *[]entity.DBColumns {
-	resData := make([]entity.DBColumns, 0)
+func (m *devTableColumnModelImpl) FindDbTableColumnList(tableName string) []entity.DBColumns {
+
 	if global.Conf.Server.DbType != "mysql" && global.Conf.Server.DbType != "postgresql" {
 		biz.ErrIsNil(errors.New("只支持mysql和postgresql数据库"), "只支持mysql和postgresql数据库")
 	}
@@ -73,9 +73,58 @@ func (m *devTableColumnModelImpl) FindDbTableColumnList(tableName string) *[]ent
 	biz.IsTrue(tableName != "", "table name cannot be empty！")
 
 	db = db.Where("table_name = ?", tableName)
-	err := db.Find(&resData).Error
-	biz.ErrIsNil(err, "查询表字段失败")
-	return &resData
+	resData := make([]entity.DBColumns, 0)
+	if global.Conf.Server.DbType == "mysql" {
+		err := db.Find(&resData).Error
+		biz.ErrIsNil(err, "查询表字段失败")
+		return resData
+	}
+	if global.Conf.Server.DbType == "postgresql" {
+		pr, err := getPgPR(tableName)
+		biz.ErrIsNil(err, "查询PG表主键字段失败")
+		resDataP := make([]entity.DBColumnsP, 0)
+		err = db.Find(&resDataP).Error
+		biz.ErrIsNil(err, "查询表字段失败")
+		for _, data := range resDataP {
+			dbc := entity.DBColumns{
+				TableSchema:            data.TableSchema,
+				TableName:              data.TableName,
+				ColumnName:             data.ColumnName,
+				ColumnDefault:          data.ColumnDefault,
+				IsNullable:             data.IsNullable,
+				DataType:               data.DataType,
+				CharacterMaximumLength: data.CharacterMaximumLength,
+				CharacterSetName:       data.CharacterSetName,
+				ColumnType:             data.ColumnType,
+				ColumnKey:              data.ColumnKey,
+				Extra:                  data.Extra,
+				ColumnComment:          data.ColumnComment,
+			}
+			// 设置为主键
+			if pr == data.ColumnName {
+				dbc.ColumnKey = "PRIMARY KEY"
+			}
+			resData = append(resData, dbc)
+		}
+
+		return resData
+	}
+	return resData
+}
+
+func getPgPR(tableName string) (string, error) {
+	sql := `SELECT
+    kcu.column_name
+FROM
+    information_schema.table_constraints AS tc
+    JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name
+WHERE
+    tc.constraint_type = 'PRIMARY KEY'
+    AND tc.table_schema = 'public'
+    AND tc.table_name = ?;`
+	var pkname string
+	err := global.Db.Raw(sql, tableName).Scan(&pkname).Error
+	return pkname, err
 }
 
 func (m *devTableColumnModelImpl) Insert(dgt entity.DevGenTableColumn) *entity.DevGenTableColumn {