add

src/main/java/com/utils/DBUtil.java

@@ -18,7 +18,7 @@ public class DBUtil {
 	// 四大金刚
 	String dname = Utils.getPeoperties("dbname")+"";
 	String driver = "com.mysql.jdbc.Driver";// 驱动名称
-	String url = "jdbc:mysql://127.0.0.1:"+Utils.getPeoperties("dbport")+"/"+dname+"?useUnicode=false&characterEncoding=UTF-8&useOldAliasMetadataBehavior=true&autoReconnect=true&useSSL=false";// 连接
+	String url = "jdbc:mysql://"+Utils.getPeoperties("dburl")+":"+Utils.getPeoperties("dbport")+"/"+dname+"?useUnicode=false&characterEncoding=UTF-8&useOldAliasMetadataBehavior=true&autoReconnect=true&useSSL=false";// 连接
 	String username = Utils.getPeoperties("dbusername")+"";// 用户名
 	String password = Utils.getPeoperties("dbpassword")+"";// 密码
 
@@ -258,4 +258,27 @@ public class DBUtil {
 	}
 
 
+	/**
+	 * 检查某个表是否存在
+	 * @param name
+	 * @return
+	 */
+	public boolean cktable(String name){
+		boolean is = false;
+		try {
+
+			this.getConnection();// 获得连接对象
+			ResultSet tables = this.con.getMetaData().getTables(null, null, name, null);
+			if (tables.next()) is = true;
+
+		} catch (Exception e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} finally {
+			this.close(this.rs, this.pstmt, this.con);
+		}
+		return is;
+	}
+
+
 }