556 lines
16 KiB
Markdown
556 lines
16 KiB
Markdown
```
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"func": " //msg.payload = \"25G\";\n msg.payload = msg.payload.size;\n msg.ssd = \"460G\";\nconst total = parseSizeToGB(msg.payload) + parseSizeToGB(msg.ssd);\nmsg.payload = total + \" G\";\n\n// 辅助函数：将 \"25G\", \"512M\", \"1.5T\" 等转为 GB 数值\nfunction parseSizeToGB(sizeStr) {\n if (typeof sizeStr !== 'string') return 0;\n const match = sizeStr.trim().match(/^([\\d.]+)\\s*([KMGT])?B?$/i);\n if (!match) return 0;\n\n const value = parseFloat(match[1]);\n const unit = (match[2] || 'G').toUpperCase(); // 默认单位是 G（兼容无单位情况）\n\n switch (unit) {\n case 'T': return value * 1024;\n case 'G': return value;\n case 'M': return value / 1024;\n case 'K': return value / (1024 * 1024);\n default: return value; // 假设是 GB\n }\n}\n\n// 解析当前 payload 和其他值\nconst val1 = parseSizeToGB(msg.payload); // \"25G\" → 25\nconst val2 = parseSizeToGB(msg.other); // \"512M\" → ~0.5\n\nconst totalGB = val1 + val2;\n\n// 输出结果（保留两位小数）\n//msg.payload = {\n// total_gb: parseFloat(totalGB.toFixed(2)),\n// display: `${totalGB.toFixed(2)}G`\n//};\n\nreturn msg;",
|
||
"outputs": 1,
|
||
"timeout": 0,
|
||
"noerr": 0,
|
||
"initialize": "",
|
||
"finalize": "",
|
||
"libs": [],
|
||
"x": 890,
|
||
"y": 2720,
|
||
"wires": [
|
||
[
|
||
"b2683d408720f0b4"
|
||
]
|
||
]
|
||
},
|
||
{
|
||
"id": "08237b44c079e384",
|
||
"type": "ui_group",
|
||
"name": "系统状态",
|
||
"tab": "e43fa8cdb0e0dbce",
|
||
"order": 3,
|
||
"disp": true,
|
||
"width": 6,
|
||
"collapse": false,
|
||
"className": ""
|
||
},
|
||
{
|
||
"id": "e43fa8cdb0e0dbce",
|
||
"type": "ui_tab",
|
||
"name": "系统",
|
||
"icon": "dashboard",
|
||
"order": 4,
|
||
"disabled": false,
|
||
"hidden": false
|
||
},
|
||
{
|
||
"id": "fdeebbe0ff26e24a",
|
||
"type": "global-config",
|
||
"env": [],
|
||
"modules": {
|
||
"node-red-dashboard": "3.6.6"
|
||
}
|
||
}
|
||
]
|
||
``` |