java call sap
1、下载需要的jar,windows用dll,linux用sowin下载地址 linux下载地址 win下载地址new
2、环境：
windows -> sapjco3.dll放到windows目录下
linux -> libsapjco3.so 放到lib目录下(没权限就建个环境变量让后放进去)
3、代码：
1 package cn.com.sony.newsis.common.tools;
2
3 import java.io.File;
4 import java.io.FileOutputStream;
5 import java.text.SimpleDateFormat;
6 import java.util.Date;
7 import java.util.List;
8 import java.util.Properties;
9 import java.util.concurrent.ConcurrentHashMap;
10
11 import cn.com.sony.npc.util.Props.PropsUtil;
12
13 import com.sap.conn.jco.AbapException;
14 import com.sap.conn.jco.JCo;
15 import com.sap.conn.jco.JCoDestination;
16 import com.sap.conn.jco.JCoDestinationManager;
17 import com.sap.conn.jco.JCoException;
18 import com.sap.conn.jco.JCoFunction;
19 import com.sap.conn.jco.JCoParameterList;
20 import com.sap.conn.jco.ext.DestinationDataProvider;
21
22
23 public class AUJcoClient
24 {
25 static String ABAP_AS_POOLED = "AU_AS_WITH_POOL";
26 static String[] jcoPara=Operate.getAUJcoPara();
27 static int timeOut=Integer.parseInt(jcoPara);
28 public static int FUNCTIONCOUNT=0;
29 public static long FOLLOWCOUNT=0;
30 public static int PEAK_LIMIT=Integer.parseInt(jcoPara);
31
32 public static ConcurrentHashMap<Long,Long> hm=new ConcurrentHashMap<Long,Long>();
33
34
35 /**
36 * initial JCO connection
37 */
38 static{
39 for(int i=0;i<jcoPara.length;i++){
40 System.out.print(jcoPara+",");
41 }
42 Properties connectProperties = new Properties();
43 connectProperties.setProperty(DestinationDataProvider.JCO_ASHOST, jcoPara);
44 connectProperties.setProperty(DestinationDataProvider.JCO_SYSNR,jcoPara);
45 connectProperties.setProperty(DestinationDataProvider.JCO_CLIENT, jcoPara);
46 connectProperties.setProperty(DestinationDataProvider.JCO_USER, jcoPara);
47 connectProperties.setProperty(DestinationDataProvider.JCO_PASSWD, jcoPara);
48 connectProperties.setProperty(DestinationDataProvider.JCO_LANG, jcoPara);
49 connectProperties.setProperty(DestinationDataProvider.JCO_POOL_CAPACITY, jcoPara);
50 connectProperties.setProperty(DestinationDataProvider.JCO_PEAK_LIMIT, jcoPara);
51
52 createDataFile(ABAP_AS_POOLED, "jcoDestination", connectProperties);
53
54 }
55
56 static void createDataFile(String name, String suffix, Properties properties){
57 File cfg = new File(name+"."+suffix);
58 if(!cfg.exists()){
59 FileOutputStream fos = null;
60 try{
61 fos = new FileOutputStream(cfg, false);
62 properties.store(fos, "for tests only !");
63 }catch (Exception e){
64 //Point 4 –handle this exception
65 throw new RuntimeException("Unable to create the destination file " + cfg.getName(), e);
66 }finally{
67 try{
68 if(fos!=null) fos.close();
69 }catch(Exception e){
70 e.printStackTrace();
71 }
72 }
73 }
74 }
75
76 /**
77 * access JCO Interface 'Z_CREDIT_EXPOSURE'
78 * @param customerAccountNumber
79 * @param companyCode
80 * @param creditControlArea
81 * @param dateCreditExposure
82 * @return
83 * @throws JCoException
84 */
85 public static String[] functionCallcreditExposure(String customerAccountNumber,String companyCode,String creditControlArea,String dateCreditExposure) throws Exception{
86 String[] res = new String;
87 StringcreditLimit = null;
88 StringReceivable = null;
89 StringcreditExposure = null;
90 try{
91 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
92 JCoFunction function = destination.getRepository().getFunction("Z_CREDIT_EXPOSURE");
93 JCoParameterList inParm= function.getImportParameterList();
94 inParm.setValue("KUNNR", "4002485");
95 inParm.setValue("BUKRS","AU40");
96 inParm.setValue("KKBER","AU40");
97 inParm.setValue("DATE_CREDIT_EXPOSURE","99991231");
98 FUNCTIONCOUNT++;
99 function.execute(destination);
100 FOLLOWCOUNT++;
101 if(FOLLOWCOUNT>100000) FOLLOWCOUNT=0;
102 hm.put(new Long(FOLLOWCOUNT), new Date().getTime()/1000);
103 creditExposure = function.getExportParameterList().getString("SUM_OPENS").toString();
104 Receivable = function.getExportParameterList().getString("OPEN_ITEMS").toString();
105 creditLimit = function.getExportParameterList().getString("CREDITLIMIT").toString();
106 res = creditExposure;
107 res = Receivable;
108 res = creditLimit;
109 }catch (JCoException e) {
110 throw e;
111 }finally{
112 FUNCTIONCOUNT--;
113 }
114 return res;
115 }
116
117 /**
118 * access JCO Interface 'Y_RFC_AP_ACC_GETKEYDATEBALANC'
119 * @parammaterial String
120 * @paramreq_qty String
121 * @paramcustomer String
122 * @return String part status
123 */
124 public static String functionCallGetBalance(String vendorAccountNumber,String companyCode,String dateCreditExposure) throws Exception{
125 StringvendorBalance = null;
126 try{
127 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
128 JCoFunction function = destination.getRepository().getFunction("Y_RFC_AP_ACC_GETKEYDATEBALANC");
129 JCoParameterList inParm = function.getImportParameterList();
130 inParm.setValue("VENDOR", vendorAccountNumber);
131 inParm.setValue("COMPANYCODE",companyCode);
132 inParm.setValue("KEYDATE",dateCreditExposure);
133 FUNCTIONCOUNT++;
134 function.execute(destination);
135 FOLLOWCOUNT++;
136 if(FOLLOWCOUNT>100000) FOLLOWCOUNT=0;
137 hm.put(new Long(FOLLOWCOUNT), new Date().getTime()/1000);
138 vendorBalance = function.getExportParameterList().getString("LC_BAL").toString();
139 } catch(AbapException e) {
140 System.out.println(e.toString());
141 }finally{
142 FUNCTIONCOUNT--;
143 }
144 return vendorBalance;
145 }
146
147 /**
148 * Control Maximum concurrency
149 * @parammaterial String
150 * @paramreq_qty String
151 * @paramcustomer String
152 *@return part status
153 */
154 public static Object functionControlGetBalance(String VendoraccountNumber,String CompanyCode,String DateCreditExposure) throws Exception {
155
156 String status=null;
157 Object partStat=null;
158 Date d1=null;
159 Date d2=null;
160 String path= PropsUtil.get("JCO_ROOT");
161 try{
162 /*
163 * WAS的自动重启机制会产生"Library is already loaded in another ClassLoader"的bug，必须黑屏重启jvm
164 * Java虚拟机为了在JNI本地库中确保基于classloader的命名空间隔离，因而不允许一个JNI本地库被两个不同的classloader加载。
165 * 只要将JNI class单独发布成jar包，并放在配置公共(default、all或share)的lib目录中，问题就可以解决
166 */
167 JCo.setTrace(0, path);
168 }catch (Exception e) {
169 System.err.println("Jco loader error:"+e);
170 }
171
172 LayOut lo=new LayOut(path+"/AUJcoPrint.log");
173
174 SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
175 SimpleDateFormat sdf2=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS");
176 StringBuffer sb=new StringBuffer("");
177
178 try{
179 sb.append(sdf2.format(new Date())).append("\t").append("VendoraccountNumber:")
180 .append(VendoraccountNumber).append("\t").append("CompanyCode:").append(CompanyCode)
181 .append("\t").append("DateCreditExposure:").append(DateCreditExposure).append("\r\n");
182 int i=0;
183 //最大并发量PEAK_LIMIT，超时timeOut秒
184 while(FUNCTIONCOUNT>PEAK_LIMIT && i<timeOut){
185 Thread.sleep(1000);
186 i++;
187 }
188 if(FUNCTIONCOUNT<PEAK_LIMIT){
189 d1=new Date();
190 //访问JCO接口
191 partStat=functionCallGetBalance(VendoraccountNumber,CompanyCode,DateCreditExposure);
192 if(partStat==null){
193 partStat="sku not exist";
194 }
195 d2=new Date();
196 status="OK";
197 }else{
198 status="reached the maximum number of JCO_PEAK_LIMIT";
199 partStat="timeout";
200 System.err.println(FUNCTIONCOUNT+" "+new Date().toLocaleString());
201 }
202 // }
203 }catch(Exception e){
204 //连接失败异常
205 status=e.getMessage();
206 e.printStackTrace();
207 }finally{
208 StringBuffer sb2=new StringBuffer("");
209 long responseTime=-1;
210 if(d1!=null&&d2!=null) responseTime=d2.getTime()-d1.getTime();
211 sb2.append(sdf2.format(new Date())).append("\t").append("ExecID:")
212 .append(FOLLOWCOUNT).append("\t").append("InvocationTime:")
213 .append(d1==null?"null":sdf.format(d1)).append("\t").append("ResponseReceivedTime:")
214 .append(d2==null?"null":sdf.format(d2)).append("\t")
215 .append("TotalTimeTaken:").append(responseTime).append("\t")
216 .append("Status:").append(status);
217 lo.writeFile(sb.append(sb2).toString());
218 }
219 return partStat;
220 }
221
222 /* public static void main(String[] args){
223 try{
224 System.out.println("=======AUbegin=============");
225 String xx = functionCallGetBalance("A1053905A","1","1000053");
226 String[] res = functionCallcreditExposure("632","AU40","AU40","99991231");
227 System.out.println("======end==============:");
228 }catch(Exception e){
229 e.printStackTrace();
230 }
231 }*/
232 }
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