package com.mes.common;
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import java.lang.reflect.Array;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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public class PlcParameterObject {
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// 该模块数据类型，数据起始位置
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private String plcAddressBegin;
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// 数据地址长度：第一参数到最后一个参数的长度
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private int plcAddressLength;
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private ArrayList<PlcParameterInfo> plcParameterList;
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/**
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* @return 数据区开始地址
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*/
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public String getPlcAddressBegin() {
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return plcAddressBegin;
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}
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/**
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* @param plcAddressBegin 设置数据区开始地址
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*/
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public void setPlcAddressBegin(String plcAddressBegin) {
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this.plcAddressBegin = plcAddressBegin;
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}
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/**
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* @return 数据区 读取所有数据所需的长度（以byte类型为基准）
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*/
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public int getPlcAddressLength() {
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return plcAddressLength;
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}
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/**
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* @return 设置：数据区 读取所有数据所需的长度（以byte类型为基准）
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*/
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public void setPlcAddressLength(int plcAddressLength) {
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this.plcAddressLength = plcAddressLength;
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}
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/**
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* @return 获取参数实例集合
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*/
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public ArrayList<PlcParameterInfo> getPlcParameterList() {
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return plcParameterList;
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}
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/**
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* 根据参数标识 获取某个参数实例
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*
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* @param codeid 参数标识
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* @return 获取某个参数实例
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*/
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public PlcParameterInfo getPlcParameter(String codeid) {
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if (plcParameterList != null) {
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for (PlcParameterInfo plcParameterInfo : plcParameterList) {
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if (plcParameterInfo.getCodeId().equals(codeid))
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return plcParameterInfo;
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}
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return null;
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} else
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return null;
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}
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/**
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* 根据参数标识 获取某个参数实例
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*
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* @param codeids 参数标识
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* @return 获取某个参数实例
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*/
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public List<String> getPlcParameterValues(List<String> codeids) {
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List<String> arrayList = new ArrayList<>();
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if (plcParameterList != null) {
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Map<String, PlcParameterInfo> resultMap = new LinkedHashMap<>(); // 使用 LinkedHashMap 保留插入顺序
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for (PlcParameterInfo plcParameterInfo : plcParameterList) {
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if (codeids.contains(plcParameterInfo.getCodeId())) {
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resultMap.put(plcParameterInfo.getCodeId(), plcParameterInfo);
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}
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}
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for (String codeId : codeids) { // 按照传入参数的顺序遍历
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PlcParameterInfo plcParameterInfo = resultMap.get(codeId);
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if (plcParameterInfo != null) {
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arrayList.add(plcParameterInfo.getValue());
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} else {
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arrayList.add(null); // 如果找不到对应的值，添加 null
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}
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}
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}
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return arrayList;
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}
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public List<String> getAddressListByCodeId(List<String> codeIdList) {
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List<String> addressList = new ArrayList<>();
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for (String codeId : codeIdList) {
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for (PlcParameterInfo plcParameterInfo : plcParameterList) {
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if (plcParameterInfo.getCodeId().equals(codeId)) {
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int index = plcParameterInfo.getAddressIndex();
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String address = plcParameterInfo.getAddress(index);
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if (address != null) {
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addressList.add(address);
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}
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}
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}
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}
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return addressList;
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}
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/**
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* 添加参数实例
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*
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* @param param 参数实例
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*/
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public void addPlcParameter(PlcParameterInfo param) {
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if (plcParameterList != null)
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plcParameterList.add(param);
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else {
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plcParameterList = new ArrayList<PlcParameterInfo>();
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plcParameterList.add(param);
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}
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}
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/**
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* 根据PLC返回的数据 给参数实例赋值
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*
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* @param plcValueArray PLC读取回来的byte类型数据集合
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*/
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public void setPlcParameterList(byte[] plcValueArray) {
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if (plcParameterList != null) {
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for (PlcParameterInfo plcParameterInfo : plcParameterList) {
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byte[] valueList = new byte[plcParameterInfo.getAddressLength()];
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// System.out.println(plcParameterInfo.getAddressLength());
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for (int i = 0; i < plcParameterInfo.getAddressLength(); i++) {
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Array.setByte(valueList, i, plcValueArray[plcParameterInfo.getAddressIndex() + i]);
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}
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if (plcParameterInfo.getAddressLength() == 2) {
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plcParameterInfo.setValue(String.valueOf(byte2short(valueList)));
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} else if (plcParameterInfo.getAddressLength() == 14) {
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plcParameterInfo.setValue((byteToHexString(valueList)));
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} else {
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String valuestr = new String(valueList);
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plcParameterInfo.setValue(valuestr);
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}
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}
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}
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}
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/**
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* short类型转byte[]
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*
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* @param s short类型值
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*/
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public static byte[] short2byte(short s) {
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byte[] b = new byte[2];
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for (int i = 0; i < 2; i++) {
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int offset = 16 - (i + 1) * 8; //因为byte占4个字节，所以要计算偏移量
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b[i] = (byte) ((s >> offset) & 0xff); //把16位分为2个8位进行分别存储
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}
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return b;
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}
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/**
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* byte[]类型转short
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*
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* @param b byte[]类型值
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*/
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public static short byte2short(byte[] b) {
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short l = 0;
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for (int i = 0; i < 2; i++) {
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l <<= 8; //<<=和我们的 +=是一样的，意思就是 l = l << 8
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l |= (b[i] & 0xff); //和上面也是一样的 l = l | (b[i]&0xff)
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}
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return l;
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}
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public static String byteToHexString(byte[] bytes) {
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String str = new String(bytes, StandardCharsets.UTF_8);
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return str;
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}
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}
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