1.jeasyOpc使用jdk为32位，不是会报错
java.lang.UnsatisfiedLinkError: sJCustomOpc.dll: Can't load IA 32-bit .dll on a AMD 64-bit platform
2.读取的item必须是在服务端存在的数据 ，读取不存在item会报错
Property file javafish.clients.opc.lang.Translate doesn't exist. System terminated.
3.group 可以随便写
4.可用MatrikonOPC模拟数据
5.demo
package com.sht.utils;
import java.util.ArrayList;
import javafish.clients.opc.JOpc;
import javafish.clients.opc.component.OpcGroup;
import javafish.clients.opc.component.OpcItem;
import javafish.clients.opc.exception.ConnectivityException;
public class JEasyOpc {
public ArrayList<OpcItem> readOpc(String[] array) {
JOpc.coInitialize();
JOpc jopc = new JOpc("localhost", "Matrikon.OPC.Simulation.1", "JOPC");
try {
jopc.connect();
System.out.println("OJBC连接成功");
} catch (ConnectivityException e) {
e.printStackTrace();
}
OpcGroup group = new OpcGroup("Group1", true, 500, 0.0f);
System.out.println("OpcGroup:"+group.toString());
ArrayList<OpcItem> arrayList = new ArrayList<>();
for (String string : array) {
System.out.println(string);
OpcItem item = new OpcItem(string, true, "");
group.addItem(item);
arrayList.add(item);
}
jopc.addGroup(group);
try {
jopc.registerGroup(group);
} catch (Exception e) {
e.printStackTrace();
}
try {
for (OpcItem opcItem : arrayList) {
jopc.registerItem(group, opcItem);
}
} catch (Exception e) {
e.printStackTrace();
}
ArrayList<OpcItem> arrayList1 = new ArrayList<>();
try {
for (OpcItem opcItem : arrayList) {
OpcItem responseItem = jopc.synchReadItem(group, opcItem);
arrayList1.add(responseItem);
}
} catch (Exception e1) {
e1.printStackTrace();
}
try {
for (OpcItem opcItem : arrayList) {
jopc.unregisterItem(group, opcItem);
}
} catch (Exception e) {
e.printStackTrace();
}
try {
jopc.unregisterGroup(group);
} catch (Exception e) {
e.printStackTrace();
}
JOpc.coUninitialize();
return arrayList1;
}
public ArrayList<OpcItem> call() {
Excel_reader test = new Excel_reader();
ArrayList<String> xlsx_reader;
ArrayList<OpcItem> runRead = new ArrayList<>();
try {
//xlsx_reader = test.xlsx_reader("lib/opc.xlsx", 1);
//String[] array = xlsx_reader.toArray(new String[xlsx_reader.size()]);
System.out.println("读取excel文档");
//模拟数据
String[] array= new String [3];
array[0]="Random.String";
array[1]="Random.Int1";
array[2]="Random.Int2";
//模拟数据
ArrayList<OpcItem> opcItemList = readOpc(array);
System.out.println("读取opc数据");
return opcItemList;
} catch (Exception e) {
e.printStackTrace();
}
return runRead;
}
public static void main(String[] args) {
JEasyOpc opcReadClient2 = new JEasyOpc();
ArrayList<OpcItem> call = opcReadClient2.call();
System.out.println(call);
}
}