feat: modbus-tcp写功能及测试

nl-web-app/src/test/java/org/nl/ApiTest.java

@@ -79,4 +79,76 @@ public class ApiTest {
             e.printStackTrace();
         }
     }
+
+    @Test
+    public void modbusTestWrite() {
+        // 构建驱动配置（连接配置）
+        Map<String, AttributeBO> driverConfig = new HashMap<>();
+        driverConfig.put("host", AttributeBO.builder().value("192.168.81.251").build());
+        driverConfig.put("port", AttributeBO.builder().value("502").build());
+
+        // 构建点位配置 - 写入保持寄存器（功能码3）
+        Map<String, AttributeBO> pointConfig = new HashMap<>();
+        pointConfig.put("slaveId", AttributeBO.builder().value("1").build());
+        pointConfig.put("offset", AttributeBO.builder().value("40001").build());  // 功能码3：保持寄存器，地址0
+        pointConfig.put("data_type", AttributeBO.builder().value("int16").build());
+
+        // 构建连接对象
+        IotConnect connect = IotConnect.builder()
+                .id(1)
+                .code("MODBUS_TCP_001")
+                .host("192.168.81.251")
+                .port(502)
+                .protocol("modbus-tcp")
+                .enabled(true)
+                .description("测试Modbus TCP写入连接")
+                .build();
+
+        // 构建配置对象
+        IotConfig config = IotConfig.builder()
+                .id(1)
+                .connectId(1)
+                .alias("temperature")
+                .aliasName("温度传感器")
+                .registerAddress("40001")
+                .dataType("int16")
+                .readonly(false)
+                .enabled(true)
+                .description("测试温度写入")
+                .build();
+
+        try {
+            // 先读取当前值
+            System.out.println("=== Modbus写入测试开始 ===");
+            RValue beforeValue = modBusProtocolDriver.read(driverConfig, pointConfig, connect, config);
+            System.out.println("写入前的值: " + beforeValue.getValue());
+
+            // 构建写入值对象 - 写入新的温度值（例如：100）
+            org.nl.iot.core.driver.entity.WValue wValue = new org.nl.iot.core.driver.entity.WValue();
+            wValue.setValue("100");
+            wValue.setType("int16");
+
+            // 调用write方法进行写入测试
+            Boolean writeResult = modBusProtocolDriver.write(driverConfig, pointConfig, connect, config, wValue);
+            System.out.println("写入结果: " + (writeResult ? "成功" : "失败"));
+
+            // 等待一小段时间后再次读取，验证写入是否成功
+            Thread.sleep(500);
+            RValue afterValue = modBusProtocolDriver.read(driverConfig, pointConfig, connect, config);
+            System.out.println("写入后的值: " + afterValue.getValue());
+
+            // 验证写入是否成功
+            if (writeResult && "100".equals(afterValue.getValue())) {
+                System.out.println("✓ 写入验证成功！值已更新为: " + afterValue.getValue());
+            } else {
+                System.out.println("✗ 写入验证失败！期望值: 100, 实际值: " + afterValue.getValue());
+            }
+
+            System.out.println("=== 测试完成 ===");
+
+        } catch (Exception e) {
+            System.err.println("测试失败: " + e.getMessage());
+            e.printStackTrace();
+        }
+    }
 }