jdbc反射操作 

 1 package com.gu.utils;
 2 
 3 import java.lang.reflect.InvocationTargetException;
 4 import java.lang.reflect.Method;
 5 
 6 /**
 7  * jdbc反射而常用的操作
 8  * @author 谷
 9  *
10  */
11 public class reflectUtils {
12 
13     //由属性名获得属性值
14     public static Object invokeGet( String feildName,Object obj){
15         Method m=null;
16         Object end=null;
17         try {
18             Class c=obj.getClass();
19             m=c.getMethod("Get"+StringUtils.firstChar2uppercas(feildName), null);
20             try {
21                 end=m.invoke(obj, null);
22             } catch (IllegalAccessException e) {
23                 // TODO Auto-generated catch block
24                 e.printStackTrace();
25             } catch (IllegalArgumentException e) {
26                 // TODO Auto-generated catch block
27                 e.printStackTrace();
28             } catch (InvocationTargetException e) {
29                 // TODO Auto-generated catch block
30                 e.printStackTrace();
31             }
32         } catch (NoSuchMethodException e) {
33             // TODO Auto-generated catch block
34             e.printStackTrace();
35         } catch (SecurityException e) {
36             // TODO Auto-generated catch block
37             e.printStackTrace();
38         }
39         return end;
40     }
41     public static void invokeSet( String columnName,Object columnValue,Object RowObj){
42         //调用set方法将属性值设进去
43         Method m=null;
44         try {
45             m = RowObj.getClass().getDeclaredMethod("Set"+StringUtils.firstChar2uppercase(columnName),columnValue.getClass() );
46         } catch (NoSuchMethodException e1) {
47             // TODO Auto-generated catch block
48             e1.printStackTrace();
49         } catch (SecurityException e1) {
50             // TODO Auto-generated catch block
51             e1.printStackTrace();
52         }
53         try {
54             m.invoke(RowObj, columnValue);
55         } catch (IllegalAccessException e) {
56             // TODO Auto-generated catch block
57             e.printStackTrace();
58         } catch (IllegalArgumentException e) {
59             // TODO Auto-generated catch block
60             e.printStackTrace();
61         } catch (InvocationTargetException e) {
62             // TODO Auto-generated catch block
63             e.printStackTrace();
64         }
65     }
66 
67 }

 

posted @ 2016-10-18 13:26  mmmmgxt  阅读(255)  评论(0)    收藏  举报