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hao

2025-03-27 e610e1c17f62b423a717fadaaa7b139d02857793

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// package com.example;
 
// import android.content.Context;
// import io.dcloud.feature.uniapp.common.UniModule;
// import io.dcloud.feature.uniapp.annotation.UniJSMethod;
// import android.widget.Toast;
// import com.gprinter.command.GpCom;
// import com.gprinter.io.GpDevice;
 
// public class PrintPlugin extends UniModule {
//     private GpDevice printer;
 
//     @UniJSMethod(uiThread = true)
//     public void initPrinter(String ipAddress) {
//         try {
//             printer = new GpDevice(getContext(), ipAddress);
//             printer.connect();
//             Toast.makeText(getContext(), "打印机连接成功", Toast.LENGTH_SHORT).show();
//         } catch (Exception e) {
//             Toast.makeText(getContext(), "打印机连接失败", Toast.LENGTH_SHORT).show();
//         }
//     }
 
//     @UniJSMethod(uiThread = true)
//     public void printData(String data) {
//         try {
//             GpCom.ERROR_CODE result = printer.sendEscCommand(data);
//             if (result == GpCom.ERROR_CODE.SUCCESS) {
//                 Toast.makeText(getContext(), "打印成功", Toast.LENGTH_SHORT).show();
//             } else {
//                 Toast.makeText(getContext(), "打印失败", Toast.LENGTH_SHORT).show();
//             }
//         } catch (Exception e) {
//             Toast.makeText(getContext(), "打印失败", Toast.LENGTH_SHORT).show();
//         }
//     }
// }
 
 
package com.example;
 
import android.util.Log;
import io.dcloud.feature.uniapp.common.UniModule;
import io.dcloud.common.DHInterface.IWebview;
import io.dcloud.common.DHInterface.JsResponse;
import io.dcloud.common.DHInterface.MessageListener;
import io.dcloud.common.util.JSONUtil;
import org.json.JSONException;
import org.json.JSONObject;
 
public class PrintPlugin extends UniModule {
 
    public void initPrinter(IWebview webview, JsResponse response) {
        try {
            // 初始化打印机的逻辑
            Log.d("PrintPlugin", "初始化打印机");
            String result = "USB 打印机已初始化";
            response.success(webview, JSONUtil.toJson(result));
        } catch (Exception e) {
            response.error(webview, JSONUtil.toJson(e.getMessage()));
        }
    }
 
    public void printData(IWebview webview, JsResponse response, String data) {
        try {
            // 打印机打印数据的逻辑
            Log.d("PrintPlugin", "打印数据: " + data);
            String result = "打印成功";
            response.success(webview, JSONUtil.toJson(result));
        } catch (Exception e) {
            response.error(webview, JSONUtil.toJson(e.getMessage()));
        }
    }
}