JNI小记

本文参考《较详细的介绍JNI》一文，并添加了一些方法，代码已经过测试，留待日后工作使用。关于JNI的HelloWorld的例子，就不赘述了。

java代码：

 1 package com.chnic.service;
 2 
 3 import com.chnic.bean.Order;  
 4 
 5 public class Business {  
 6     static{  
 7         System.loadLibrary("FruitFactory");  
 8     }  
 9       
10     public Business(){  
11           
12     }  
13       
14     public native double getPrice(String name);  
15     public native Order getOrder(String name, int amount);  
16     public native Order getRamdomOrder();  
17     public static native void analyzeOrder(Order order);  
18     
19     public native void showArray(int []nums);
20     
21     public native int[] getIntArray();
22     
23     public native String[] getStringArray(String[] ss);
24     
25     public native void test2DStringArray(String[][] ss);
26       
27     public void notification(){  
28         System.out.println("Got a notification.");  
29     }  
30       
31     public static void notificationByStatic(){  
32         System.out.println("Got a notification in a static method.");  
33     }  
34     
35     public static void main(String...args){
36         Business bus = new Business();
37         System.out.println("price:"+bus.getPrice("Apple"));
38         System.out.println("-------------------------");
39         
40         System.out.println("price:"+bus.getPrice("Pear"));
41         System.out.println("-------------------------");
42         
43         System.out.println(bus.getOrder("Apple",23));
44         System.out.println("-------------------------");
45         
46         System.out.println(bus.getRamdomOrder());
47         System.out.println("-------------------------");
48         
49         Order order = new Order();
50         order.setName("orange");
51         Business.analyzeOrder(order);
52         System.out.println("-------------------------");
53         
54         int[]ia={1,2,3,4};
55         bus.showArray(ia);
56         System.out.println("-------------------------");
57         
58         int[] iaa = bus.getIntArray();
59         for(int i:iaa){
60             System.out.println(i);
61         }
62         System.out.println("-------------------------");
63         
64         String[]abc= {"aa","bb","cc","dd"};
65         bus.getStringArray(abc);
66         System.out.println("-------------------------");
67         
68         String []abcd = bus.getStringArray(abc);
69         for(String s:abcd){
70             System.out.println(s);
71         }
72         System.out.println("-------------------------");
73         
74         String[][]test = {{"一行1号","一行二号","一行三号"},{"二行一号","二行二号","二行三号"}};
75         bus.test2DStringArray(test);
76         System.out.println("-------------------------");
77     }
78 }  

View Code