{"id":773,"date":"2023-07-01T16:48:24","date_gmt":"2023-07-01T07:48:24","guid":{"rendered":"https:\/\/sheltie-garage.xyz\/tech\/?p=773"},"modified":"2023-07-02T05:17:17","modified_gmt":"2023-07-01T20:17:17","slug":"react-drop-zone%e3%82%92%e5%88%a9%e7%94%a8%e3%81%97%e3%81%a6base64%e5%bd%a2%e5%bc%8f%e3%81%a7%e7%94%bb%e5%83%8f%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%81%97%e3%80%81go%e3%81%a7%e3%83%95%e3%82%a1","status":"publish","type":"post","link":"https:\/\/sheltie-garage.xyz\/tech\/2023\/07\/react-drop-zone%e3%82%92%e5%88%a9%e7%94%a8%e3%81%97%e3%81%a6base64%e5%bd%a2%e5%bc%8f%e3%81%a7%e7%94%bb%e5%83%8f%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%81%97%e3%80%81go%e3%81%a7%e3%83%95%e3%82%a1\/","title":{"rendered":"React dropzone\u3092\u5229\u7528\u3057\u3066base64\u5f62\u5f0f\u3067\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u3057\u3001Go\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3059\u308b"},"content":{"rendered":"\n

\u30bf\u30a4\u30c8\u30eb\u306e\u307e\u3093\u307e\u3067\u3059\u3002\u500b\u4eba\u958b\u767a\u4e2d\u306eWeb\u30a2\u30d7\u30ea\u306e\u305f\u3081\u5168\u4f53\u306e\u30b3\u30fc\u30c9\u3092\u8f09\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002
\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308b\u90e8\u5206\u3092\u30dd\u30a4\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3067\u7d39\u4ecb\u3067\u304d\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

react-dropzone\u3092\u5229\u7528\u3057\u3066\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u304b\u3089base64\u3092\u53d6\u5f97\u3057\u3001axios\u3067\u9001\u4fe1\u3059\u308b<\/h2>\n\n\n\n

react-dropzone\u306e\u5229\u7528\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059
https:\/\/react-dropzone.js.org\/#section-basic-example<\/a><\/p>\n\n\n\n

  const {acceptedFiles, getRootProps, getInputProps} = useDropzone();\n  \n  const files = acceptedFiles.map(file => (\n    <li key={file.path}>\n      {file.path} - {file.size} bytes\n    <\/li>\n  ));<\/code><\/pre><\/div>\n\n\n\n
react-dropzone\u306e\u5229\u7528\u65b9\u6cd5\u3092\u629c\u7c8b\u3057\u305f\u306e\u304c\u4e0a\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002
acceptedFiles\u306b\u9078\u629e\u3057\u305f\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u60c5\u5831\u304c\u5165\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
    const fileReader = new FileReader();\n\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u3092Base64\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\n    fileReader.onload = () => {\n      const base64Data = fileReader.result as string;\n\n      \/\/ \u4e8b\u524d\u767b\u9332API\u3078\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30dd\u30b9\u30c8\n      axios\n        .post(registerURL, base64Data)\n        .then((response) => {\n          console.log(response.data);\n        });\n    };\n    fileReader.readAsDataURL(acceptedFiles[0]);<\/code><\/pre><\/div>\n\n\n\n
\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u6642\u306eonload\u30a4\u30d9\u30f3\u30c8\u3092\u5229\u7528\u3057\u3066base64\u5f62\u5f0f\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3002
axios\u3092\u5229\u7528\u3057\u3066Go\u3067\u4f5c\u6210\u3055\u308c\u305fAPI\u3078POST\u30e1\u30bd\u30c3\u30c9\u3067\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
acceptedFiles[0]\u3068\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u73fe\u5728\u306e\u30a2\u30d7\u30ea\u306e\u60f3\u5b9a\u3067\u306f\u753b\u50cf\u306f1\u3064\u306e\u307f\u9078\u629e\u3059\u308b\u4ed5\u69d8\u306e\u305f\u3081\u3001\u9078\u629e\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5148\u982d\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
Go\u3067\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u51e6\u7406<\/h2>\n\n\n\n
Go\u3067\u306f\u9001\u4fe1\u3055\u308c\u305fPOST\u30c7\u30fc\u30bf\u3092\u89e3\u6790\u3057\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\timageData := strings.Split(base64Data, ",")[1]\n\tdecodedData, err := base64.StdEncoding.DecodeString(imageData)<\/code><\/pre><\/div>\n\n\n\n
strings.Split(base64Data, “,”)[1]\u3068\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u9001\u4fe1\u3055\u308c\u305fbase64\u30c7\u30fc\u30bf\u306e\u5148\u982d\u306b\u306f\u300cdata:image\/png;base64,\u300d\u3068\u3044\u3063\u305f\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\u3092\u8868\u3059\u30b9\u30ad\u30fc\u30e0\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u7d14\u7c8b\u306a\u30c7\u30fc\u30bf\u90e8\u5206\u306e\u307f\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u51e6\u7406\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
err = os.WriteFile(path+fileName, decodedData, 0644)<\/code><\/pre><\/div>\n\n\n\n
\u5b9f\u969b\u306bbase64(\u30c7\u30b3\u30fc\u30c9\u6e08\u307f)\u306e\u30c7\u30fc\u30bf\u3092\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u51fa\u3057\u3066\u3044\u308b\u90e8\u5206\u306f\u3053\u3061\u3089\u3002
path + fileName\u306f\u4fdd\u5b58\u5148\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u307e\u3067\u542b\u3081\u305f\u30d5\u30eb\u30d1\u30b9\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002
decodedData\u306f\u30c7\u30b3\u30fc\u30c9\u6e08\u307f\u306ebase64\u30c7\u30fc\u30bf\u30010644\u306f\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u4e3b\u8981\u306a\u90e8\u5206\u306e\u629c\u7c8b\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u300c\u753b\u50cf\u3092base64\u5f62\u5f0f\u3067\u53d7\u3051\u53d6\u308a\u3001Go\u3092\u5229\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3059\u308b\u300d\u3068\u3044\u3046\u6d41\u308c\u306b\u3064\u3044\u3066\u306f\u6982\u306d\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3061\u306a\u307f\u306b\u3001\u5f53\u521d\u306freact-dropzone\u3067\u306f\u306a\u304f\u3001MuiFileInput(Material UI File Input)\u3092\u5229\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u4f5c\u6210\u3057\u305fMuiFileInput\u306b\u5bfe\u3057\u3066\u6e21\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u304c\u3069\u3046\u3084\u3063\u3066\u3082\u3046\u307e\u304f\u8d77\u52d5\u305b\u305a\u65ad\u5ff5\u3057\u307e\u3057\u305f\u3002
react-dropzone\u306f\u300c\u591a\u6a5f\u80fd\u3059\u304e\u3066\u6c17\u8efd\u306b\u4f7f\u3048\u306a\u3044\u300d\u3088\u3046\u306a\u66f8\u304d\u8fbc\u307f\u3092\u898b\u305f\u306e\u3067\u3059\u304c\u3001base64\u5f62\u5f0f\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u4fe1\u3059\u308b\u7a0b\u5ea6\u3067\u3042\u308c\u3070\u3001\u305d\u3053\u307e\u3067\u96e3\u3057\u3044\u6a5f\u80fd\u3092\u5229\u7528\u305b\u305a\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n
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\n\t\t\t\t\t\t\t\t\t\u30e2\u30c0\u30f3JavaScript\u306e\u57fa\u672c\u304b\u3089\u59cb\u3081\u308b\u3000React\u5b9f\u8df5\u306e\u6559\u79d1\u66f8\u3000\uff08\u6700\u65b0ReactHooks\u5bfe\u5fdc\uff09<\/a>\t\t\t\t\t\t\t<\/div>\n\t\t\t
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created by Rinker<\/a><\/div>\n\t\t\t\t\t\t\t\t\t\t
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