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Conversion method: 1. Use the "new TextDecoder('gbk').decode(new Uint8Array([...]).buffer)" statement; 2. Use "iconv.decode(Buffer.from( [...]), 'gbk')" statement.
The operating environment of this tutorial: windows7 system, nodejs version 14.15.4, DELL G3 computer.
js and nodejs both have TextEncoder TextDecoder, which can convert between encodings
nodejs version requires >=8.3. 0 only supports util.TextEncoder,util.TextDecoder
##gbk to utf8
new TextDecoder('gbk').decode(new Uint8Array([ 47, 63, 214, 208, 206, 196, 61, 56, 56 ]).buffer)
// out: "/?中文=88"nodejs recommended to pass iconv or iconv-lite Third-party library performs conversion between encodings. Because using the native TextEncoder requires complete ICU Data, see here for detailsutil_class_util_textdecoder
utf8 gbk mutual conversion
let iconv = require('iconv-lite');
// 这里是utf8
let str = '/?中文=88';
// utf8转换成gbk
let encoded = iconv.encode(str, 'gbk');
console.log(encoded,encoded.toJSON())
// gbk转换成utf8
str = iconv.decode(Buffer.from([ 47, 63, 214, 208, 206, 196, 61, 56, 56 ]), 'gbk');
console.log('utf8 str:',str)
// out: Buffer <2F, 3F, D6, D0, CE, C4, 3D, 38, 38>
// Object {data: [47, 63, 214, 208, 206, 196, 61, 56, 56], type: "Buffer"}
// utf8 str: "/?中文=88"【Recommended Study: "nodejs tutorial"】
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