1. APP开发首页
  2. NFC 近场通信

读取 NDEF Tag – NDEF_DISCOVERED 事件 APP开发实现NFC近场通信能力

• NFC 近场通信

读取 NDEF Tag – NDEF_DISCOVERED 事件 APP开发实现NFC近场通信能力

用做网页的技术做APP！
一门提供标准化的jsbridge-mini.js库，您只需要在页面引用并执行JS即可实现各种原生APP、原生PC的功能能力。

==================APP端==================
【APP端】（安卓版&苹果版）目前提供200+原生功能，2000+JS映射接口，用做网站的技术即可实现各种原生APP能力、APP demo地址https://www.yimenapp.com/doc/demo.cshtml下载教程：
♦ JS-SDK 引用方式：
♦ 普通网页 script 方式加载：下载最新版，请在页面上调用 jsBridge 接口之前引用 jsbridge-mini.js 库；
♦ js module 方式引用：npm install ym-jsbridge 具体请参考 npm package
一门APP开发平台通用JS

读取 NDEF Tag – NDEF_DISCOVERED 事件 APP开发实现NFC近场通信能力

核心代码示例，详情参阅demo

//Android 读取 NDEF Tag 示例数据
var android_sample = {
    data: null,
    tag: {
        ID: "04bf87225a6680",
        Technologies: {
            MifareUltralight: {
                MifareClassicType: "TYPE_ULTRALIGHT_C",
                MaxTransceiveLength: 253,
                Timeout: 618
            },
            NfcA: {
                MaxTransceiveLength: 253,
                Timeout: 618,
                SAK: 0,
                ATQA: "4400"
            },
            Ndef: {
                Type: "org.nfcforum.ndef.type2",
                //Ndef 消息
                NdefMessage: {
                    //16进制的原始数据
                    Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                    //Ndef 消息记录数组
                    Records: [
                        {
                            ID: "",
                            //16进制记录类型
                            Type: "54",
                            Uri: null,
                            //16进制记录荷载(原始 byte 数据流)
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            //如果 Payload 为可读文本，这是里其字符串格式
                            Payload_String: "任意文本数据，Any Text。",
                            Tnf: 1,
                            MimeType: "text/plain"
                        }
                    ],
                    ByteLength: 39
                },
                //Ndef 消息数组
                NdefMessages: [
                    {
                        Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                        Records: [
                            {
                                ID: "",
                                Type: "54",
                                Uri: null,
                                Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                                Payload_String: "任意文本数据，Any Text。",
                                Tnf: 1,
                                MimeType: "text/plain"
                            }
                        ],
                        ByteLength: 39
                    }
                ],
                CachedNdefMessage: {
                    Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                    Records: [
                        {
                            ID: "",
                            Type: "54",
                            Uri: null,
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            Payload_String: "任意文本数据，Any Text。",
                            Tnf: 1,
                            MimeType: "text/plain"
                        }
                    ],
                    ByteLength: 39
                },
                ReadOnly: true,
                MaxSize: 39,
                CanMakeReadOnly: true
            }
        }
    }
};

//iOS 读取 NDEF Tag 示例数据
var ios_sample = {
    data: null,
    tag: {
        ID: "",
        Technologies: {
            Ndef: {
                Type: "",
                //读取到都第一条 Ndef 消息
                NdefMessage: {
                    //Ndef 消息记录数组
                    Records: [
                        {
                            ID: "",
                            //16进制记录类型
                            Type: "54",
                            Uri: null,
                            //16进制记录荷载(原始 byte 数据流)
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            //如果 Payload 为可读文本，这是里其字符串格式
                            Payload_String: "任意文本数据，Any Text。"
                        }
                    ]
                },
                //读取到的所有 Ndef 消息数组
                NdefMessages: [
                    {
                        Records: [
                            {
                                ID: "",
                                Uri: null,
                                Type: "54",
                                Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                                Payload_String: "任意文本数据，Any Text。"
                            }
                        ]
                    }
                ]
            }
        }
    }
};

A标签执行JS示例代码

<a href="javascript:void(0)" onclick="zhixing()">执行</a> 
<!-- 写入一个A标签href值为"javascript:void(0)"，定义点击事件onclick；-->
<script src="您的服务器URL/jsbridge-mini.js"></script>
<!-- 在您的服务器引入一门JS地址，请下载jsbridge-mini.js上传您自己的服务器获取链接；-->
<script type="text/javascript">
function zhixing() {


<!--这里可以直接复制JS核心代码到此{}括号内-->
//Android 读取 NDEF Tag 示例数据
var android_sample = {
    data: null,
    tag: {
        ID: "04bf87225a6680",
        Technologies: {
            MifareUltralight: {
                MifareClassicType: "TYPE_ULTRALIGHT_C",
                MaxTransceiveLength: 253,
                Timeout: 618
            },
            NfcA: {
                MaxTransceiveLength: 253,
                Timeout: 618,
                SAK: 0,
                ATQA: "4400"
            },
            Ndef: {
                Type: "org.nfcforum.ndef.type2",
                //Ndef 消息
                NdefMessage: {
                    //16进制的原始数据
                    Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                    //Ndef 消息记录数组
                    Records: [
                        {
                            ID: "",
                            //16进制记录类型
                            Type: "54",
                            Uri: null,
                            //16进制记录荷载(原始 byte 数据流)
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            //如果 Payload 为可读文本，这是里其字符串格式
                            Payload_String: "任意文本数据，Any Text。",
                            Tnf: 1,
                            MimeType: "text/plain"
                        }
                    ],
                    ByteLength: 39
                },
                //Ndef 消息数组
                NdefMessages: [
                    {
                        Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                        Records: [
                            {
                                ID: "",
                                Type: "54",
                                Uri: null,
                                Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                                Payload_String: "任意文本数据，Any Text。",
                                Tnf: 1,
                                MimeType: "text/plain"
                            }
                        ],
                        ByteLength: 39
                    }
                ],
                CachedNdefMessage: {
                    Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                    Records: [
                        {
                            ID: "",
                            Type: "54",
                            Uri: null,
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            Payload_String: "任意文本数据，Any Text。",
                            Tnf: 1,
                            MimeType: "text/plain"
                        }
                    ],
                    ByteLength: 39
                },
                ReadOnly: true,
                MaxSize: 39,
                CanMakeReadOnly: true
            }
        }
    }
};

//iOS 读取 NDEF Tag 示例数据
var ios_sample = {
    data: null,
    tag: {
        ID: "",
        Technologies: {
            Ndef: {
                Type: "",
                //读取到都第一条 Ndef 消息
                NdefMessage: {
                    //Ndef 消息记录数组
                    Records: [
                        {
                            ID: "",
                            //16进制记录类型
                            Type: "54",
                            Uri: null,
                            //16进制记录荷载(原始 byte 数据流)
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            //如果 Payload 为可读文本，这是里其字符串格式
                            Payload_String: "任意文本数据，Any Text。"
                        }
                    ]
                },
                //读取到的所有 Ndef 消息数组
                NdefMessages: [
                    {
                        Records: [
                            {
                                ID: "",
                                Uri: null,
                                Type: "54",
                                Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                                Payload_String: "任意文本数据，Any Text。"
                            }
                        ]
                    }
                ]
            }
        }
    }
};

}
</script>
<!--执行核心代码；
//如果需要进入页面就执行，去掉点击事件即可；-->

按钮执行JS示例代码

<button onclick="zhixing()" >执行</button>
<!-- //写一个按钮，定义点击执行事件； -->
<script src="您的服务器URL/jsbridge-mini.js"></script>
<!-- //在您的服务器引入一门JS地址，请下载jsbridge-mini.js上传您自己的服务器获取链接； -->
<script type="text/javascript">
function zhixing() {


<!--这里可以直接复制JS核心代码到此{}括号内-->
//Android 读取 NDEF Tag 示例数据
var android_sample = {
    data: null,
    tag: {
        ID: "04bf87225a6680",
        Technologies: {
            MifareUltralight: {
                MifareClassicType: "TYPE_ULTRALIGHT_C",
                MaxTransceiveLength: 253,
                Timeout: 618
            },
            NfcA: {
                MaxTransceiveLength: 253,
                Timeout: 618,
                SAK: 0,
                ATQA: "4400"
            },
            Ndef: {
                Type: "org.nfcforum.ndef.type2",
                //Ndef 消息
                NdefMessage: {
                    //16进制的原始数据
                    Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                    //Ndef 消息记录数组
                    Records: [
                        {
                            ID: "",
                            //16进制记录类型
                            Type: "54",
                            Uri: null,
                            //16进制记录荷载(原始 byte 数据流)
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            //如果 Payload 为可读文本，这是里其字符串格式
                            Payload_String: "任意文本数据，Any Text。",
                            Tnf: 1,
                            MimeType: "text/plain"
                        }
                    ],
                    ByteLength: 39
                },
                //Ndef 消息数组
                NdefMessages: [
                    {
                        Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                        Records: [
                            {
                                ID: "",
                                Type: "54",
                                Uri: null,
                                Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                                Payload_String: "任意文本数据，Any Text。",
                                Tnf: 1,
                                MimeType: "text/plain"
                            }
                        ],
                        ByteLength: 39
                    }
                ],
                CachedNdefMessage: {
                    Raw: "d1012354027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                    Records: [
                        {
                            ID: "",
                            Type: "54",
                            Uri: null,
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            Payload_String: "任意文本数据，Any Text。",
                            Tnf: 1,
                            MimeType: "text/plain"
                        }
                    ],
                    ByteLength: 39
                },
                ReadOnly: true,
                MaxSize: 39,
                CanMakeReadOnly: true
            }
        }
    }
};

//iOS 读取 NDEF Tag 示例数据
var ios_sample = {
    data: null,
    tag: {
        ID: "",
        Technologies: {
            Ndef: {
                Type: "",
                //读取到都第一条 Ndef 消息
                NdefMessage: {
                    //Ndef 消息记录数组
                    Records: [
                        {
                            ID: "",
                            //16进制记录类型
                            Type: "54",
                            Uri: null,
                            //16进制记录荷载(原始 byte 数据流)
                            Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                            //如果 Payload 为可读文本，这是里其字符串格式
                            Payload_String: "任意文本数据，Any Text。"
                        }
                    ]
                },
                //读取到的所有 Ndef 消息数组
                NdefMessages: [
                    {
                        Records: [
                            {
                                ID: "",
                                Uri: null,
                                Type: "54",
                                Payload: "027a68e4bbbbe6848fe69687e69cace695b0e68daeefbc8c416e792054657874e38082",
                                Payload_String: "任意文本数据，Any Text。"
                            }
                        ]
                    }
                ]
            }
        }
    }
};

}
</script>
<!-- //执行核心代码；
//如果需要进入页面就执行，去掉点击事件即可； -->

编辑：yimen，如若转载，请注明出处：https://www.yimenapp.com/kb-yimen/16055/

部分内容来自网络投稿，如有侵权联系立删

赞 (0)
上一篇 2022年12月30日 上午11:40
下一篇 2022年12月30日 下午12:09

相关推荐