引入sql2go工具

sql2go/dao_tpl.tpl

@@ -0,0 +1,59 @@
+// Package {PACKAGE} ...
+//
+// Description : {PACKAGE} ...
+package {PACKAGE}
+
+import (
+    "gorm.io/gorm"
+    "errors"
+)
+
+// {DATA_STRUCT_NAME} 数据库表的数据结构
+{DATA_STRUCT}
+
+// New{DATA_STRUCT_DAO} 获取DAO实例
+func New{DATA_STRUCT_DAO}() *{DATA_STRUCT_DAO} {
+    return &{DATA_STRUCT_DAO}{
+        table : "{DB_TABLE_NAME}",
+    }
+}
+
+// {DATA_STRUCT_DAO} sql2go tool generate
+type {DATA_STRUCT_DAO} struct {
+    table string
+}
+
+// GetDetailBy{PRIMARY_KEY} 根据主键ID获取详情
+func ({DAO_RECEIVER} *{DATA_STRUCT_DAO}) GetDetailBy{PRIMARY_KEY}(dbInstance *gorm.DB, {PRIMARY_KEY} {PRIMARY_KEY_TYPE}) (*{DATA_STRUCT_NAME}, error) {
+    var (
+        err error
+        detail {DATA_STRUCT_NAME}
+    )
+    if err = dbInstance.Table({DAO_RECEIVER}.table).Where("{PRIMARY_KEY_FIELD} = ?", {PRIMARY_KEY}).Limit(1).First(&detail).Error; nil != err {
+        return nil, err
+    }
+    return &detail, nil
+}
+
+// GetList 获取数据列表
+func ({DAO_RECEIVER} *{DATA_STRUCT_DAO}) GetList(dbInstance *gorm.DB, condition map[string]interface{}, limit int, offset int) ([]{DATA_STRUCT_NAME}, error) {
+    if nil == condition {
+        condition = make(map[string]interface{})
+    }
+    var (
+        err error
+        list []{DATA_STRUCT_NAME}
+    )
+    if err = dbInstance.Table({DAO_RECEIVER}.table).Where(condition).Limit(limit).Offset(offset).Find(&list).Error; nil != err {
+        return make([]{DATA_STRUCT_NAME}, 0), err
+    }
+    return list, nil
+}
+
+// Create 创建数据
+func ({DAO_RECEIVER} *{DATA_STRUCT_DAO}) Create(dbInstance *gorm.DB, data *{DATA_STRUCT_NAME}) error {
+    if nil == data {
+        return  errors.New("data is nil")
+    }
+    return dbInstance.Table({DAO_RECEIVER}.table).Create(data).Error
+}