From 60706c2043f3761abce43b2cdc335af0da0e55f0 Mon Sep 17 00:00:00 2001
From: RenKaiGe-Office <RenKaiGe-Office@renkaige-office>
Date: Fri, 20 Jul 2018 10:49:46 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8E=9F=E5=A7=8B=E6=97=A5=E5=BF=97=E6=9F=A5?=
 =?UTF-8?q?=E8=AF=A2=E6=97=B6,=E4=B8=8D=E4=BB=8EObject...=20obj=E4=B8=AD?=
 =?UTF-8?q?=E8=8E=B7=E5=8F=96=E9=9C=80=E8=A6=81date=E7=B1=BB=E5=9E=8B?=
 =?UTF-8?q?=E7=9A=84=E5=AD=97=E6=AE=B5=E4=BA=86,=E8=B0=83=E7=94=A8?=
 =?UTF-8?q?=E7=9A=84=E6=97=B6=E5=80=99=E5=AE=B9=E6=98=93=E6=BC=8F=E5=86=99?=
 =?UTF-8?q?,=E6=94=B9=E4=B8=BA=E5=8F=8D=E5=B0=84=E8=8E=B7=E5=8F=96date?=
 =?UTF-8?q?=E7=B1=BB=E5=9E=8B=E7=9A=84=E5=AD=97=E6=AE=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/com/nis/util/HiveJDBC.java | 39 +++++++++++++++++++-----
 1 file changed, 31 insertions(+), 8 deletions(-)

diff --git a/src/main/java/com/nis/util/HiveJDBC.java b/src/main/java/com/nis/util/HiveJDBC.java
index b611268..a000f25 100644
--- a/src/main/java/com/nis/util/HiveJDBC.java
+++ b/src/main/java/com/nis/util/HiveJDBC.java
@@ -135,13 +135,15 @@ public class HiveJDBC {
 		Map<String, String> filedAndColumnMap = getColumn2FiledMap(entityClass);
 		List<String> listString = new ArrayList<String>();
 		List listObject = new ArrayList();
-		List<String> columnList = null;
-		if (null != obj && obj.length > 0) {
-			columnList = new ArrayList<String>();
-			for (int i = 0; i < obj.length; i++) {
-				columnList.add(obj[i].toString().toLowerCase());
-			}
-		}
+		//不从Object... obj中获取需要date类型的字段了,调用的时候容易漏写,改为反射获取date类型的字段
+		List<String> columnList =getDateColumn(entityClass); 
+//		List<String> columnList =null; 
+//		if (null != obj && obj.length > 0) {
+//			columnList = new ArrayList<String>();
+//			for (int i = 0; i < obj.length; i++) {
+//				columnList.add(obj[i].toString().toLowerCase());
+//			}
+//		}
 		// ResultSet rs = HiveJDBC.query(sql.toString());
 		ResultSetMetaData metaData = rs.getMetaData();
 		while (rs.next()) {
@@ -186,7 +188,7 @@ public class HiveJDBC {
 			} else {
 				mapList.put("str", listString.subList(startNum, listString.size()));
 			}
-			
+
 		} else {
 			mapList.put("str", new ArrayList());
 		}
@@ -203,6 +205,27 @@ public class HiveJDBC {
 		return mapList;
 	}
 
+	/**
+	 * 反射获取类中date类型的字段名称
+	 * @param type
+	 * @return
+	 * @throws Exception
+	 */
+	public static List<String> getDateColumn(Class type) throws Exception {
+		List<String> columnList = new ArrayList<String>();
+		BeanInfo beanInfo = Introspector.getBeanInfo(type);
+		PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
+		for (int i = 0; i < propertyDescriptors.length; i++) {
+			PropertyDescriptor propertyDescriptor = propertyDescriptors[i];
+			String name = propertyDescriptor.getName();
+			String fieldTypeName = propertyDescriptor.getPropertyType().getName();
+			if (fieldTypeName.equals("java.util.Date")) {
+				columnList.add(name.toLowerCase());
+			}
+		}
+		return columnList;
+	}
+
 	public static Object map2Obj(Map map, Class type) throws Exception {
 		BeanInfo beanInfo = Introspector.getBeanInfo(type);
 		Object obj = type.newInstance();