JAVA连接SAP详解编程语言

 1 FUNCTION zchenh001. 
 2 *"---------------------------------------------------------------------- 
 3 *"*"局部接口： 
 4 *"  IMPORTING 
 5 *"     VALUE(P1) TYPE  INT4 DEFAULT 0 
 6 *"     VALUE(P2) TYPE  INT4 DEFAULT 0 
 7 *"     VALUE(OPERATOR) TYPE  CHAR1 DEFAULT '+' 
 8 *"  EXPORTING 
 9 *"     VALUE(RESULT) TYPE  INT4 
10 *"     VALUE(MSG) TYPE  CHAR255 
11 *"---------------------------------------------------------------------- 
12   DATA:err_text TYPE string, 
13        e TYPE REF TO cx_root. 
14   TRY . 
15     CASE operator. 
16       WHEN '+'.       result = p1 + p2. 
17       WHEN '-'.       result = p1 - p2. 
18       WHEN '*'.       result = p1 * p2. 
19       WHEN '/'.       result = p1 / p2. 
20       WHEN OTHERS. 
21         CONCATENATE '操作符' operator '，SAP无法识别' into msg. 
22     ENDCASE. 
23     CATCH cx_root INTO e. 
24       err_text = e->get_text( ). 
25       msg = err_text. 
26  
27   ENDTRY. 
28  
29 ENDFUNCTION.

 1 package com.cee.conn; 
 2  
 3 import java.io.File; 
 4 import java.io.FileOutputStream; 
 5 import java.util.Properties; 
 6 import java.util.logging.Logger; 
 7  
 8 import com.sap.conn.jco.JCoDestination; 
 9 import com.sap.conn.jco.JCoDestinationManager; 
10 import com.sap.conn.jco.JCoException; 
11 import com.sap.conn.jco.ext.DestinationDataProvider; 
12  
13 /** 
14  * 与SAP连接配置 
15  *  
16  * @author jay 
17  */ 
18 public class SAPConn { 
19     private static final String ABAP_AS_POOLED = "ABAP_AS_WITH_POOL"; 
20     static { 
21         Properties connectProperties = new Properties(); 
22         connectProperties.setProperty(DestinationDataProvider.JCO_ASHOST, "xxxx.xxxx.xxxx.xxxx");// 服务器 
23         connectProperties.setProperty(DestinationDataProvider.JCO_SYSNR, "xx"); // 系统编号 
24         connectProperties.setProperty(DestinationDataProvider.JCO_CLIENT, "xxx"); // SAP集团 
25         connectProperties.setProperty(DestinationDataProvider.JCO_USER, "xxxx"); // SAP用户名 
26         connectProperties.setProperty(DestinationDataProvider.JCO_PASSWD, "xxxxx"); // 密码 
27         connectProperties.setProperty(DestinationDataProvider.JCO_LANG, "ZH"); // 登录语言:ZH EN 
28         connectProperties.setProperty(DestinationDataProvider.JCO_POOL_CAPACITY, "3"); // 最大连接数 
29         connectProperties.setProperty(DestinationDataProvider.JCO_PEAK_LIMIT, "10"); // 最大连接线程 
30  
31         createDataFile(ABAP_AS_POOLED, "jcoDestination", connectProperties); 
32     } 
33  
34     /** 
35      * 创建SAP接口属性文件。 
36      *  
37      * @param name 
38      *            ABAP管道名称 
39      * @param suffix 
40      *            属性文件后缀 
41      * @param properties 
42      *            属性文件内容 
43      */ 
44     private static void createDataFile(String name, String suffix, Properties properties) { 
45         File cfg = new File(name + "." + suffix); 
46         if (cfg.exists()) { 
47             cfg.deleteOnExit(); 
48         } 
49         try { 
50             FileOutputStream fos = new FileOutputStream(cfg, false); 
51             properties.store(fos, "for tests only !"); 
52             fos.close(); 
53         } catch (Exception e) { 
54             System.out.println("Create Data file fault, error msg: " + e.toString()); 
55             throw new RuntimeException("Unable to create the destination file " + cfg.getName(), e); 
56         } 
57     } 
58  
59     /* 
60      * * 获取SAP连接 
61      *  
62      * @return SAP连接对象 
63      */ 
64     public static JCoDestination connect() { 
65         JCoDestination destination = null; 
66         try { 
67             destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED); 
68         } catch (JCoException e) { 
69             System.out.println("Connect SAP fault, error msg: " + e.toString()); 
70         } 
71         return destination; 
72     } 
73 }

 1 package com.cee.test; 
 2 import java.io.ObjectInputStream.GetField; 
 3 import com.cee.conn.SAPConn; 
 4 import com.sap.conn.jco.JCoDestination; 
 5 import com.sap.conn.jco.JCoFunction; 
 6 import com.sap.conn.jco.JCoParameterList; 
 7 import com.sap.conn.jco.JCoTable; 
 8  
 9 public class CheckSnFromSAP { 
10     public static void main(String[] args) { 
11         JCoFunction function = null; 
12         JCoDestination destination = SAPConn.connect(); 
13         int result=0;//调用接口返回状态 
14         String message="";//调用接口返回信息 
15         try { 
16             //调用ZCHENH001函数 
17             function = destination.getRepository().getFunction("ZCHENH001"); 
18             JCoParameterList input = function.getImportParameterList(); 
19             input.setValue("P1", 10); 
20             input.setValue("P2", 2); 
21             input.setValue("OPERATOR", "?"); // 输入参数 
22             function.execute(destination); 
23             result= function.getExportParameterList().getInt("RESULT");//调用接口返回结果 
24             message= function.getExportParameterList().getString("MSG");//调用接口返回信息  
25             System.out.println("调用返回结果--->"+result+";调用返回状态--->"+message); 
26         }catch (Exception e) { 
27             e.printStackTrace(); 
28         } 
29     } 
30 }