测试是否能否连接上？

src/com/platform/service/OracleExtractHelper.java

@@ -3,6 +3,7 @@ package com.platform.service;
 import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.SQLException;
+import java.sql.Statement;
 
 import com.base.Custom4exception;
 import com.base.CustomException;
@@ -183,4 +184,21 @@ public class OracleExtractHelper {
 			}
 
 	}
+	
+	/** 测试是否能否连接上？
+	 * @return true：能连接上
+	 */
+	public boolean testConnect(Connection conn) {
+		String testSql = "select count(*) from user_tables";
+		boolean flag = false;
+		try {
+			Statement statement = conn.createStatement();
+			if(statement.executeUpdate(testSql) > 0)
+				flag  = true;
+		} catch (SQLException e) {
+			flag = false;
+			new CustomException(Custom4exception.OracleSQL_Except, e, testSql);
+		}
+		return flag;
+	}
 }