From 98866443701ed1a34309b5e300d924ba79cff27c Mon Sep 17 00:00:00 2001
From: xyli <dev12102@linx-info.com>
Date: Tue, 14 Feb 2023 09:25:29 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9BaseDbCommonService.java?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=EF=BC=8C=E6=B7=BB=E5=8A=A0exists=E7=9A=84?=
 =?UTF-8?q?=E9=87=8D=E8=BD=BD=E6=96=B9=E6=B3=95?=
MIME-Version: 1.0
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---
 .../service/h2db/BaseDbCommonService.java     | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/main/java/mpms/service/h2db/BaseDbCommonService.java b/src/main/java/mpms/service/h2db/BaseDbCommonService.java
index ed1b124..a6048eb 100644
--- a/src/main/java/mpms/service/h2db/BaseDbCommonService.java
+++ b/src/main/java/mpms/service/h2db/BaseDbCommonService.java
@@ -280,4 +280,29 @@ public abstract class BaseDbCommonService<T> {
 		return this.exists(entity);
 	}
 
+	/**
+	 * 判断是否存在
+	 *
+	 * @param where 条件
+	 * @return true 存在
+	 */
+	public boolean exists(Entity where) {
+		if (!DbConfig.getInstance().isInit()) {
+			// ignore
+			return false;
+		}
+		where.setTableName(getTableName());
+		Db db = Db.use();
+		db.setWrapper((Character) null);
+		long count;
+		try {
+			count = db.count(where);
+		} catch (SQLException e) {
+			throw new LinuxRuntimeException("数据库异常", e);
+		}
+		return count > 0;
+	}
+
+
+
 }
-- 
Gitee