javascript - json 十六进制被转换为字符串

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发布： 2016-10-22 00:14:09

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<code class="javascript">var cmd = ["0x02,0x03,0xB4,0xB4,0x00,0x06","0x00,0x02,0x6E,0x00,0x00,0x05","0x01,0x01,0x00,0x78,0x00,0x05","0x03,0x03,0x82,0x96,0x00,0x05"];</code>

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<code class="javascript">var cmd1=[0x02, 0x03, 0xB4, 0xB4, 0xFF, 0xFF,0x02, 0x03, 0xB4, 0xB4, 0x00, 0x06,0x00, 0x02, 0x6E, 0x00, 0x00, 0x05,0x01, 0x01, 0x00, 0x78, 0x00, 0x05,0x03, 0x03, 0x82, 0x96, 0x00, 0x05];</code>

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<code class="javascript">var test =["0x02,0x03,0xB4,0xB4,0x00,0x06","0x00,0x02,0x6E,0x00,0x00,0x05","0x01,0x01,0x00,0x78,0x00,0x05","0x03,0x03,0x82,0x96,0x00,0x05"];</code>

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<code class="javascript">var cloud = [0x02, 0x03, 0xB4, 0xB4, 0xFF, 0xFF,
    0x02, 0x03, 0xB4, 0xB4, 0x00, 0x06,
    0x00, 0x02, 0x6E, 0x00, 0x00, 0x05,
    0x01, 0x01, 0x00, 0x78, 0x00, 0x05,
    0x03, 0x03, 0x82, 0x96, 0x00, 0x05
];</code>

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代码如上

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cmd 是通过PHP 转换得到的16进制编码但是JS 取到的时候已经变成了字符串
想实现将cmd 变成跟cmd1 一样的十六进制截图蓝色部分为想要的效果红色是数据内容

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javascript - json 十六进制被转换为字符串

<code class="javascript">var cmd = ["0x02,0x03,0xB4,0xB4,0x00,0x06","0x00,0x02,0x6E,0x00,0x00,0x05","0x01,0x01,0x00,0x78,0x00,0x05","0x03,0x03,0x82,0x96,0x00,0x05"];</code>

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<code class="javascript">var cmd1=[0x02, 0x03, 0xB4, 0xB4, 0xFF, 0xFF,0x02, 0x03, 0xB4, 0xB4, 0x00, 0x06,0x00, 0x02, 0x6E, 0x00, 0x00, 0x05,0x01, 0x01, 0x00, 0x78, 0x00, 0x05,0x03, 0x03, 0x82, 0x96, 0x00, 0x05];</code>

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<code class="javascript">var test =["0x02,0x03,0xB4,0xB4,0x00,0x06","0x00,0x02,0x6E,0x00,0x00,0x05","0x01,0x01,0x00,0x78,0x00,0x05","0x03,0x03,0x82,0x96,0x00,0x05"];</code>

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<code class="javascript">var cloud = [0x02, 0x03, 0xB4, 0xB4, 0xFF, 0xFF,
    0x02, 0x03, 0xB4, 0xB4, 0x00, 0x06,
    0x00, 0x02, 0x6E, 0x00, 0x00, 0x05,
    0x01, 0x01, 0x00, 0x78, 0x00, 0x05,
    0x03, 0x03, 0x82, 0x96, 0x00, 0x05
];</code>

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代码如上

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<code>cmd.join().split(',').map(function(v) {return parseInt(v,16);});
</code>

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JSON.stringify()
括号里写变量

<code>cmd.join().split(',').map(function(v) {return parseInt(v);});</code>

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<code>var cmd = ["0x02,0x03,0xB4,0xB4,0x00,0x06","0x00,0x02,0x6E,0x00,0x00,0x05","0x01,0x01,0x00,0x78,0x00,0x05","0x03,0x03,0x82,0x96,0x00,0x05"];
var cmd1 = [];
// 转换为整数数组
cmd.forEach(function(d){
    d.split(",").forEach(function(d){
        cmd1.push(parseInt(d));
    })
});

// 打印输出16进制格式字符串
var output = "var cmd1=[";
cmd1.forEach(function(d,i){
    var _u = d.toString(16).toUpperCase();
    output += "0x"+ (_u.length<2 ? "0"+_u : _u);
    if(i!=cmd1.length-1) output+=",";
});
output += "]";
// 输出字符串：var cmd1=[0x02,0x03,0xB4,0xB4,0x00,0x06,0x00,0x02,0x6E,0x00,0x00,0x05,0x01,0x01,0x00,0x78,0x00,0x05,0x03,0x03,0x82,0x96,0x00,0x05]
console.log(output);</code>

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